Merge branch 'cloudwatch' into elastic_ds

Godeps/Godeps.json

@@ -19,6 +19,41 @@
 			"Rev": "93de4f3fad97bf246b838f828e2348f46f21f20a"
 		},
 		{
+			"ImportPath": "github.com/aws/aws-sdk-go/aws",
+			"Comment": "v0.7.3",
+			"Rev": "bed164a424e75154a40550c04c313ef51a7bb275"
+		},
+		{
+			"ImportPath": "github.com/aws/aws-sdk-go/internal/endpoints",
+			"Comment": "v0.7.3",
+			"Rev": "bed164a424e75154a40550c04c313ef51a7bb275"
+		},
+		{
+			"ImportPath": "github.com/aws/aws-sdk-go/internal/protocol/query",
+			"Comment": "v0.7.3",
+			"Rev": "bed164a424e75154a40550c04c313ef51a7bb275"
+		},
+		{
+			"ImportPath": "github.com/aws/aws-sdk-go/internal/protocol/rest",
+			"Comment": "v0.7.3",
+			"Rev": "bed164a424e75154a40550c04c313ef51a7bb275"
+		},
+		{
+			"ImportPath": "github.com/aws/aws-sdk-go/internal/protocol/xml/xmlutil",
+			"Comment": "v0.7.3",
+			"Rev": "bed164a424e75154a40550c04c313ef51a7bb275"
+		},
+		{
+			"ImportPath": "github.com/aws/aws-sdk-go/internal/signer/v4",
+			"Comment": "v0.7.3",
+			"Rev": "bed164a424e75154a40550c04c313ef51a7bb275"
+		},
+		{
+			"ImportPath": "github.com/aws/aws-sdk-go/service/cloudwatch",
+			"Comment": "v0.7.3",
+			"Rev": "bed164a424e75154a40550c04c313ef51a7bb275"
+		},
+		{
 			"ImportPath": "github.com/davecgh/go-spew/spew",
 			"Rev": "2df174808ee097f90d259e432cc04442cf60be21"
 		},
@@ -80,6 +115,10 @@
 			"Rev": "150b7f24d6ad507e6026c13d85ce1f1391ac7400"
 		},
 		{
+			"ImportPath": "github.com/vaughan0/go-ini",
+			"Rev": "a98ad7ee00ec53921f08832bc06ecf7fd600e6a1"
+		},
+		{
 			"ImportPath": "golang.org/x/net/context",
 			"Rev": "972f0c5fbe4ae29e666c3f78c3ed42ae7a448b0a"
 		},

Godeps/_workspace/src/github.com/aws/aws-sdk-go/aws/awserr/error.go

+// Package awserr represents API error interface accessors for the SDK.
+package awserr
+
+// An Error wraps lower level errors with code, message and an original error.
+// The underlying concrete error type may also satisfy other interfaces which
+// can be to used to obtain more specific information about the error.
+//
+// Calling Error() or String() will always include the full information about
+// an error based on its underlying type.
+//
+// Example:
+//
+//     output, err := s3manage.Upload(svc, input, opts)
+//     if err != nil {
+//         if awsErr, ok := err.(awserr.Error); ok {
+//             // Get error details
+//             log.Println("Error:", err.Code(), err.Message())
+//
+//             // Prints out full error message, including original error if there was one.
+//             log.Println("Error:", err.Error())
+//
+//             // Get original error
+//             if origErr := err.Err(); origErr != nil {
+//                 // operate on original error.
+//             }
+//         } else {
+//             fmt.Println(err.Error())
+//         }
+//     }
+//
+type Error interface {
+	// Satisfy the generic error interface.
+	error
+
+	// Returns the short phrase depicting the classification of the error.
+	Code() string
+
+	// Returns the error details message.
+	Message() string
+
+	// Returns the original error if one was set.  Nil is returned if not set.
+	OrigErr() error
+}
+
+// New returns an Error object described by the code, message, and origErr.
+//
+// If origErr satisfies the Error interface it will not be wrapped within a new
+// Error object and will instead be returned.
+func New(code, message string, origErr error) Error {
+	if e, ok := origErr.(Error); ok && e != nil {
+		return e
+	}
+	return newBaseError(code, message, origErr)
+}
+
+// A RequestFailure is an interface to extract request failure information from
+// an Error such as the request ID of the failed request returned by a service.
+// RequestFailures may not always have a requestID value if the request failed
+// prior to reaching the service such as a connection error.
+//
+// Example:
+//
+//     output, err := s3manage.Upload(svc, input, opts)
+//     if err != nil {
+//         if reqerr, ok := err.(RequestFailure); ok {
+//             log.Printf("Request failed", reqerr.Code(), reqerr.Message(), reqerr.RequestID())
+//         } else {
+//             log.Printf("Error:", err.Error()
+//         }
+//     }
+//
+// Combined with awserr.Error:
+//
+//    output, err := s3manage.Upload(svc, input, opts)
+//    if err != nil {
+//        if awsErr, ok := err.(awserr.Error); ok {
+//            // Generic AWS Error with Code, Message, and original error (if any)
+//            fmt.Println(awsErr.Code(), awsErr.Message(), awsErr.OrigErr())
+//
+//            if reqErr, ok := err.(awserr.RequestFailure); ok {
+//                // A service error occurred
+//                fmt.Println(reqErr.StatusCode(), reqErr.RequestID())
+//            }
+//        } else {
+//            fmt.Println(err.Error())
+//        }
+//    }
+//
+type RequestFailure interface {
+	Error
+
+	// The status code of the HTTP response.
+	StatusCode() int
+
+	// The request ID returned by the service for a request failure. This will
+	// be empty if no request ID is available such as the request failed due
+	// to a connection error.
+	RequestID() string
+}
+
+// NewRequestFailure returns a new request error wrapper for the given Error
+// provided.
+func NewRequestFailure(err Error, statusCode int, reqID string) RequestFailure {
+	return newRequestError(err, statusCode, reqID)
+}

Godeps/_workspace/src/github.com/aws/aws-sdk-go/aws/awserr/types.go

+package awserr
+
+import "fmt"
+
+// SprintError returns a string of the formatted error code.
+//
+// Both extra and origErr are optional.  If they are included their lines
+// will be added, but if they are not included their lines will be ignored.
+func SprintError(code, message, extra string, origErr error) string {
+	msg := fmt.Sprintf("%s: %s", code, message)
+	if extra != "" {
+		msg = fmt.Sprintf("%s\n\t%s", msg, extra)
+	}
+	if origErr != nil {
+		msg = fmt.Sprintf("%s\ncaused by: %s", msg, origErr.Error())
+	}
+	return msg
+}
+
+// A baseError wraps the code and message which defines an error. It also
+// can be used to wrap an original error object.
+//
+// Should be used as the root for errors satisfying the awserr.Error. Also
+// for any error which does not fit into a specific error wrapper type.
+type baseError struct {
+	// Classification of error
+	code string
+
+	// Detailed information about error
+	message string
+
+	// Optional original error this error is based off of. Allows building
+	// chained errors.
+	origErr error
+}
+
+// newBaseError returns an error object for the code, message, and err.
+//
+// code is a short no whitespace phrase depicting the classification of
+// the error that is being created.
+//
+// message is the free flow string containing detailed information about the error.
+//
+// origErr is the error object which will be nested under the new error to be returned.
+func newBaseError(code, message string, origErr error) *baseError {
+	return &baseError{
+		code:    code,
+		message: message,
+		origErr: origErr,
+	}
+}
+
+// Error returns the string representation of the error.
+//
+// See ErrorWithExtra for formatting.
+//
+// Satisfies the error interface.
+func (b baseError) Error() string {
+	return SprintError(b.code, b.message, "", b.origErr)
+}
+
+// String returns the string representation of the error.
+// Alias for Error to satisfy the stringer interface.
+func (b baseError) String() string {
+	return b.Error()
+}
+
+// Code returns the short phrase depicting the classification of the error.
+func (b baseError) Code() string {
+	return b.code
+}
+
+// Message returns the error details message.
+func (b baseError) Message() string {
+	return b.message
+}
+
+// OrigErr returns the original error if one was set. Nil is returned if no error
+// was set.
+func (b baseError) OrigErr() error {
+	return b.origErr
+}
+
+// So that the Error interface type can be included as an anonymous field
+// in the requestError struct and not conflict with the error.Error() method.
+type awsError Error
+
+// A requestError wraps a request or service error.
+//
+// Composed of baseError for code, message, and original error.
+type requestError struct {
+	awsError
+	statusCode int
+	requestID  string
+}
+
+// newRequestError returns a wrapped error with additional information for request
+// status code, and service requestID.
+//
+// Should be used to wrap all request which involve service requests. Even if
+// the request failed without a service response, but had an HTTP status code
+// that may be meaningful.
+//
+// Also wraps original errors via the baseError.
+func newRequestError(err Error, statusCode int, requestID string) *requestError {
+	return &requestError{
+		awsError:   err,
+		statusCode: statusCode,
+		requestID:  requestID,
+	}
+}
+
+// Error returns the string representation of the error.
+// Satisfies the error interface.
+func (r requestError) Error() string {
+	extra := fmt.Sprintf("status code: %d, request id: [%s]",
+		r.statusCode, r.requestID)
+	return SprintError(r.Code(), r.Message(), extra, r.OrigErr())
+}
+
+// String returns the string representation of the error.
+// Alias for Error to satisfy the stringer interface.
+func (r requestError) String() string {
+	return r.Error()
+}
+
+// StatusCode returns the wrapped status code for the error
+func (r requestError) StatusCode() int {
+	return r.statusCode
+}
+
+// RequestID returns the wrapped requestID
+func (r requestError) RequestID() string {
+	return r.requestID
+}

Godeps/_workspace/src/github.com/aws/aws-sdk-go/aws/awsutil/copy.go

+package awsutil
+
+import (
+	"io"
+	"reflect"
+)
+
+// Copy deeply copies a src structure to dst. Useful for copying request and
+// response structures.
+//
+// Can copy between structs of different type, but will only copy fields which
+// are assignable, and exist in both structs. Fields which are not assignable,
+// or do not exist in both structs are ignored.
+func Copy(dst, src interface{}) {
+	dstval := reflect.ValueOf(dst)
+	if !dstval.IsValid() {
+		panic("Copy dst cannot be nil")
+	}
+
+	rcopy(dstval, reflect.ValueOf(src), true)
+}
+
+// CopyOf returns a copy of src while also allocating the memory for dst.
+// src must be a pointer type or this operation will fail.
+func CopyOf(src interface{}) (dst interface{}) {
+	dsti := reflect.New(reflect.TypeOf(src).Elem())
+	dst = dsti.Interface()
+	rcopy(dsti, reflect.ValueOf(src), true)
+	return
+}
+
+// rcopy performs a recursive copy of values from the source to destination.
+//
+// root is used to skip certain aspects of the copy which are not valid
+// for the root node of a object.
+func rcopy(dst, src reflect.Value, root bool) {
+	if !src.IsValid() {
+		return
+	}
+
+	switch src.Kind() {
+	case reflect.Ptr:
+		if _, ok := src.Interface().(io.Reader); ok {
+			if dst.Kind() == reflect.Ptr && dst.Elem().CanSet() {
+				dst.Elem().Set(src)
+			} else if dst.CanSet() {
+				dst.Set(src)
+			}
+		} else {
+			e := src.Type().Elem()
+			if dst.CanSet() && !src.IsNil() {
+				dst.Set(reflect.New(e))
+			}
+			if src.Elem().IsValid() {
+				// Keep the current root state since the depth hasn't changed
+				rcopy(dst.Elem(), src.Elem(), root)
+			}
+		}
+	case reflect.Struct:
+		if !root {
+			dst.Set(reflect.New(src.Type()).Elem())
+		}
+
+		t := dst.Type()
+		for i := 0; i < t.NumField(); i++ {
+			name := t.Field(i).Name
+			srcval := src.FieldByName(name)
+			if srcval.IsValid() {
+				rcopy(dst.FieldByName(name), srcval, false)
+			}
+		}
+	case reflect.Slice:
+		if src.IsNil() {
+			break
+		}
+
+		s := reflect.MakeSlice(src.Type(), src.Len(), src.Cap())
+		dst.Set(s)
+		for i := 0; i < src.Len(); i++ {
+			rcopy(dst.Index(i), src.Index(i), false)
+		}
+	case reflect.Map:
+		if src.IsNil() {
+			break
+		}
+
+		s := reflect.MakeMap(src.Type())
+		dst.Set(s)
+		for _, k := range src.MapKeys() {
+			v := src.MapIndex(k)
+			v2 := reflect.New(v.Type()).Elem()
+			rcopy(v2, v, false)
+			dst.SetMapIndex(k, v2)
+		}
+	default:
+		// Assign the value if possible. If its not assignable, the value would
+		// need to be converted and the impact of that may be unexpected, or is
+		// not compatible with the dst type.
+		if src.Type().AssignableTo(dst.Type()) {
+			dst.Set(src)
+		}
+	}
+}

Godeps/_workspace/src/github.com/aws/aws-sdk-go/aws/awsutil/copy_test.go

+package awsutil_test
+
+import (
+	"bytes"
+	"fmt"
+	"io"
+	"io/ioutil"
+	"testing"
+
+	"github.com/aws/aws-sdk-go/aws/awsutil"
+	"github.com/stretchr/testify/assert"
+)
+
+func ExampleCopy() {
+	type Foo struct {
+		A int
+		B []*string
+	}
+
+	// Create the initial value
+	str1 := "hello"
+	str2 := "bye bye"
+	f1 := &Foo{A: 1, B: []*string{&str1, &str2}}
+
+	// Do the copy
+	var f2 Foo
+	awsutil.Copy(&f2, f1)
+
+	// Print the result
+	fmt.Println(awsutil.Prettify(f2))
+
+	// Output:
+	// {
+	//   A: 1,
+	//   B: ["hello","bye bye"]
+	// }
+}
+
+func TestCopy(t *testing.T) {
+	type Foo struct {
+		A int
+		B []*string
+		C map[string]*int
+	}
+
+	// Create the initial value
+	str1 := "hello"
+	str2 := "bye bye"
+	int1 := 1
+	int2 := 2
+	f1 := &Foo{
+		A: 1,
+		B: []*string{&str1, &str2},
+		C: map[string]*int{
+			"A": &int1,
+			"B": &int2,
+		},
+	}
+
+	// Do the copy
+	var f2 Foo
+	awsutil.Copy(&f2, f1)
+
+	// Values are equal
+	assert.Equal(t, f2.A, f1.A)
+	assert.Equal(t, f2.B, f1.B)
+	assert.Equal(t, f2.C, f1.C)
+
+	// But pointers are not!
+	str3 := "nothello"
+	int3 := 57
+	f2.A = 100
+	f2.B[0] = &str3
+	f2.C["B"] = &int3
+	assert.NotEqual(t, f2.A, f1.A)
+	assert.NotEqual(t, f2.B, f1.B)
+	assert.NotEqual(t, f2.C, f1.C)
+}
+
+func TestCopyIgnoreNilMembers(t *testing.T) {
+	type Foo struct {
+		A *string
+		B []string
+		C map[string]string
+	}
+
+	f := &Foo{}
+	assert.Nil(t, f.A)
+	assert.Nil(t, f.B)
+	assert.Nil(t, f.C)
+
+	var f2 Foo
+	awsutil.Copy(&f2, f)
+	assert.Nil(t, f2.A)
+	assert.Nil(t, f2.B)
+	assert.Nil(t, f2.C)
+
+	fcopy := awsutil.CopyOf(f)
+	f3 := fcopy.(*Foo)
+	assert.Nil(t, f3.A)
+	assert.Nil(t, f3.B)
+	assert.Nil(t, f3.C)
+}
+
+func TestCopyPrimitive(t *testing.T) {
+	str := "hello"
+	var s string
+	awsutil.Copy(&s, &str)
+	assert.Equal(t, "hello", s)
+}
+
+func TestCopyNil(t *testing.T) {
+	var s string
+	awsutil.Copy(&s, nil)
+	assert.Equal(t, "", s)
+}
+
+func TestCopyReader(t *testing.T) {
+	var buf io.Reader = bytes.NewReader([]byte("hello world"))
+	var r io.Reader
+	awsutil.Copy(&r, buf)
+	b, err := ioutil.ReadAll(r)
+	assert.NoError(t, err)
+	assert.Equal(t, []byte("hello world"), b)
+
+	// empty bytes because this is not a deep copy
+	b, err = ioutil.ReadAll(buf)
+	assert.NoError(t, err)
+	assert.Equal(t, []byte(""), b)
+}
+
+func TestCopyDifferentStructs(t *testing.T) {
+	type SrcFoo struct {
+		A                int
+		B                []*string
+		C                map[string]*int
+		SrcUnique        string
+		SameNameDiffType int
+	}
+	type DstFoo struct {
+		A                int
+		B                []*string
+		C                map[string]*int
+		DstUnique        int
+		SameNameDiffType string
+	}
+
+	// Create the initial value
+	str1 := "hello"
+	str2 := "bye bye"
+	int1 := 1
+	int2 := 2
+	f1 := &SrcFoo{
+		A: 1,
+		B: []*string{&str1, &str2},
+		C: map[string]*int{
+			"A": &int1,
+			"B": &int2,
+		},
+		SrcUnique:        "unique",
+		SameNameDiffType: 1,
+	}
+
+	// Do the copy
+	var f2 DstFoo
+	awsutil.Copy(&f2, f1)
+
+	// Values are equal
+	assert.Equal(t, f2.A, f1.A)
+	assert.Equal(t, f2.B, f1.B)
+	assert.Equal(t, f2.C, f1.C)
+	assert.Equal(t, "unique", f1.SrcUnique)
+	assert.Equal(t, 1, f1.SameNameDiffType)
+	assert.Equal(t, 0, f2.DstUnique)
+	assert.Equal(t, "", f2.SameNameDiffType)
+}
+
+func ExampleCopyOf() {
+	type Foo struct {
+		A int
+		B []*string
+	}
+
+	// Create the initial value
+	str1 := "hello"
+	str2 := "bye bye"
+	f1 := &Foo{A: 1, B: []*string{&str1, &str2}}
+
+	// Do the copy
+	v := awsutil.CopyOf(f1)
+	var f2 *Foo = v.(*Foo)
+
+	// Print the result
+	fmt.Println(awsutil.Prettify(f2))
+
+	// Output:
+	// {
+	//   A: 1,
+	//   B: ["hello","bye bye"]
+	// }
+}

Godeps/_workspace/src/github.com/aws/aws-sdk-go/aws/awsutil/path_value.go

+package awsutil
+
+import (
+	"reflect"
+	"regexp"
+	"strconv"
+	"strings"
+)
+
+var indexRe = regexp.MustCompile(`(.+)\[(-?\d+)?\]$`)
+
+// rValuesAtPath returns a slice of values found in value v. The values
+// in v are explored recursively so all nested values are collected.
+func rValuesAtPath(v interface{}, path string, create bool, caseSensitive bool) []reflect.Value {
+	pathparts := strings.Split(path, "||")
+	if len(pathparts) > 1 {
+		for _, pathpart := range pathparts {
+			vals := rValuesAtPath(v, pathpart, create, caseSensitive)
+			if vals != nil && len(vals) > 0 {
+				return vals
+			}
+		}
+		return nil
+	}
+
+	values := []reflect.Value{reflect.Indirect(reflect.ValueOf(v))}
+	components := strings.Split(path, ".")
+	for len(values) > 0 && len(components) > 0 {
+		var index *int64
+		var indexStar bool
+		c := strings.TrimSpace(components[0])
+		if c == "" { // no actual component, illegal syntax
+			return nil
+		} else if caseSensitive && c != "*" && strings.ToLower(c[0:1]) == c[0:1] {
+			// TODO normalize case for user
+			return nil // don't support unexported fields
+		}
+
+		// parse this component
+		if m := indexRe.FindStringSubmatch(c); m != nil {
+			c = m[1]
+			if m[2] == "" {
+				index = nil
+				indexStar = true
+			} else {
+				i, _ := strconv.ParseInt(m[2], 10, 32)
+				index = &i
+				indexStar = false
+			}
+		}
+
+		nextvals := []reflect.Value{}
+		for _, value := range values {
+			// pull component name out of struct member
+			if value.Kind() != reflect.Struct {
+				continue
+			}
+
+			if c == "*" { // pull all members
+				for i := 0; i < value.NumField(); i++ {
+					if f := reflect.Indirect(value.Field(i)); f.IsValid() {
+						nextvals = append(nextvals, f)
+					}
+				}
+				continue
+			}
+
+			value = value.FieldByNameFunc(func(name string) bool {
+				if c == name {
+					return true
+				} else if !caseSensitive && strings.ToLower(name) == strings.ToLower(c) {
+					return true
+				}
+				return false
+			})
+
+			if create && value.Kind() == reflect.Ptr && value.IsNil() {
+				value.Set(reflect.New(value.Type().Elem()))
+				value = value.Elem()
+			} else {
+				value = reflect.Indirect(value)
+			}
+
+			if value.Kind() == reflect.Slice || value.Kind() == reflect.Map {
+				if !create && value.IsNil() {
+					value = reflect.ValueOf(nil)
+				}
+			}
+
+			if value.IsValid() {
+				nextvals = append(nextvals, value)
+			}
+		}
+		values = nextvals
+
+		if indexStar || index != nil {
+			nextvals = []reflect.Value{}
+			for _, value := range values {
+				value := reflect.Indirect(value)
+				if value.Kind() != reflect.Slice {
+					continue
+				}
+
+				if indexStar { // grab all indices
+					for i := 0; i < value.Len(); i++ {
+						idx := reflect.Indirect(value.Index(i))
+						if idx.IsValid() {
+							nextvals = append(nextvals, idx)
+						}
+					}
+					continue
+				}
+
+				// pull out index
+				i := int(*index)
+				if i >= value.Len() { // check out of bounds
+					if create {
+						// TODO resize slice
+					} else {
+						continue
+					}
+				} else if i < 0 { // support negative indexing
+					i = value.Len() + i
+				}
+				value = reflect.Indirect(value.Index(i))
+
+				if value.Kind() == reflect.Slice || value.Kind() == reflect.Map {
+					if !create && value.IsNil() {
+						value = reflect.ValueOf(nil)
+					}
+				}
+
+				if value.IsValid() {
+					nextvals = append(nextvals, value)
+				}
+			}
+			values = nextvals
+		}
+
+		components = components[1:]
+	}
+	return values
+}
+
+// ValuesAtPath returns a list of objects at the lexical path inside of a structure
+func ValuesAtPath(i interface{}, path string) []interface{} {
+	if rvals := rValuesAtPath(i, path, false, true); rvals != nil {
+		vals := make([]interface{}, len(rvals))
+		for i, rval := range rvals {
+			vals[i] = rval.Interface()
+		}
+		return vals
+	}
+	return nil
+}
+
+// ValuesAtAnyPath returns a list of objects at the case-insensitive lexical
+// path inside of a structure
+func ValuesAtAnyPath(i interface{}, path string) []interface{} {
+	if rvals := rValuesAtPath(i, path, false, false); rvals != nil {
+		vals := make([]interface{}, len(rvals))
+		for i, rval := range rvals {
+			vals[i] = rval.Interface()
+		}
+		return vals
+	}
+	return nil
+}
+
+// SetValueAtPath sets an object at the lexical path inside of a structure
+func SetValueAtPath(i interface{}, path string, v interface{}) {
+	if rvals := rValuesAtPath(i, path, true, true); rvals != nil {
+		for _, rval := range rvals {
+			rval.Set(reflect.ValueOf(v))
+		}
+	}
+}
+
+// SetValueAtAnyPath sets an object at the case insensitive lexical path inside
+// of a structure
+func SetValueAtAnyPath(i interface{}, path string, v interface{}) {
+	if rvals := rValuesAtPath(i, path, true, false); rvals != nil {
+		for _, rval := range rvals {
+			rval.Set(reflect.ValueOf(v))
+		}
+	}
+}

Godeps/_workspace/src/github.com/aws/aws-sdk-go/aws/awsutil/path_value_test.go

+package awsutil_test
+
+import (
+	"testing"
+
+	"github.com/aws/aws-sdk-go/aws/awsutil"
+	"github.com/stretchr/testify/assert"
+)
+
+type Struct struct {
+	A []Struct
+	z []Struct
+	B *Struct
+	D *Struct
+	C string
+}
+
+var data = Struct{
+	A: []Struct{{C: "value1"}, {C: "value2"}, {C: "value3"}},
+	z: []Struct{{C: "value1"}, {C: "value2"}, {C: "value3"}},
+	B: &Struct{B: &Struct{C: "terminal"}, D: &Struct{C: "terminal2"}},
+	C: "initial",
+}
+
+func TestValueAtPathSuccess(t *testing.T) {
+	assert.Equal(t, []interface{}{"initial"}, awsutil.ValuesAtPath(data, "C"))
+	assert.Equal(t, []interface{}{"value1"}, awsutil.ValuesAtPath(data, "A[0].C"))
+	assert.Equal(t, []interface{}{"value2"}, awsutil.ValuesAtPath(data, "A[1].C"))
+	assert.Equal(t, []interface{}{"value3"}, awsutil.ValuesAtPath(data, "A[2].C"))
+	assert.Equal(t, []interface{}{"value3"}, awsutil.ValuesAtAnyPath(data, "a[2].c"))
+	assert.Equal(t, []interface{}{"value3"}, awsutil.ValuesAtPath(data, "A[-1].C"))
+	assert.Equal(t, []interface{}{"value1", "value2", "value3"}, awsutil.ValuesAtPath(data, "A[].C"))
+	assert.Equal(t, []interface{}{"terminal"}, awsutil.ValuesAtPath(data, "B . B . C"))
+	assert.Equal(t, []interface{}{"terminal", "terminal2"}, awsutil.ValuesAtPath(data, "B.*.C"))
+	assert.Equal(t, []interface{}{"initial"}, awsutil.ValuesAtPath(data, "A.D.X || C"))
+}
+
+func TestValueAtPathFailure(t *testing.T) {
+	assert.Equal(t, []interface{}(nil), awsutil.ValuesAtPath(data, "C.x"))
+	assert.Equal(t, []interface{}(nil), awsutil.ValuesAtPath(data, ".x"))
+	assert.Equal(t, []interface{}{}, awsutil.ValuesAtPath(data, "X.Y.Z"))
+	assert.Equal(t, []interface{}{}, awsutil.ValuesAtPath(data, "A[100].C"))
+	assert.Equal(t, []interface{}{}, awsutil.ValuesAtPath(data, "A[3].C"))
+	assert.Equal(t, []interface{}{}, awsutil.ValuesAtPath(data, "B.B.C.Z"))
+	assert.Equal(t, []interface{}(nil), awsutil.ValuesAtPath(data, "z[-1].C"))
+	assert.Equal(t, []interface{}{}, awsutil.ValuesAtPath(nil, "A.B.C"))
+	assert.Equal(t, []interface{}{}, awsutil.ValuesAtPath(Struct{}, "A"))
+}
+
+func TestSetValueAtPathSuccess(t *testing.T) {
+	var s Struct
+	awsutil.SetValueAtPath(&s, "C", "test1")
+	awsutil.SetValueAtPath(&s, "B.B.C", "test2")
+	awsutil.SetValueAtPath(&s, "B.D.C", "test3")
+	assert.Equal(t, "test1", s.C)
+	assert.Equal(t, "test2", s.B.B.C)
+	assert.Equal(t, "test3", s.B.D.C)
+
+	awsutil.SetValueAtPath(&s, "B.*.C", "test0")
+	assert.Equal(t, "test0", s.B.B.C)
+	assert.Equal(t, "test0", s.B.D.C)
+
+	var s2 Struct
+	awsutil.SetValueAtAnyPath(&s2, "b.b.c", "test0")
+	assert.Equal(t, "test0", s2.B.B.C)
+	awsutil.SetValueAtAnyPath(&s2, "A", []Struct{{}})
+	assert.Equal(t, []Struct{{}}, s2.A)
+}

Godeps/_workspace/src/github.com/aws/aws-sdk-go/aws/awsutil/prettify.go

+package awsutil
+
+import (
+	"bytes"
+	"fmt"
+	"io"
+	"reflect"
+	"strings"
+)
+
+// Prettify returns the string representation of a value.
+func Prettify(i interface{}) string {
+	var buf bytes.Buffer
+	prettify(reflect.ValueOf(i), 0, &buf)
+	return buf.String()
+}
+
+// prettify will recursively walk value v to build a textual
+// representation of the value.
+func prettify(v reflect.Value, indent int, buf *bytes.Buffer) {
+	for v.Kind() == reflect.Ptr {
+		v = v.Elem()
+	}
+
+	switch v.Kind() {
+	case reflect.Struct:
+		strtype := v.Type().String()
+		if strtype == "time.Time" {
+			fmt.Fprintf(buf, "%s", v.Interface())
+			break
+		} else if strings.HasPrefix(strtype, "io.") {
+			buf.WriteString("<buffer>")
+			break
+		}
+
+		buf.WriteString("{\n")
+
+		names := []string{}
+		for i := 0; i < v.Type().NumField(); i++ {
+			name := v.Type().Field(i).Name
+			f := v.Field(i)
+			if name[0:1] == strings.ToLower(name[0:1]) {
+				continue // ignore unexported fields
+			}
+			if (f.Kind() == reflect.Ptr || f.Kind() == reflect.Slice || f.Kind() == reflect.Map) && f.IsNil() {
+				continue // ignore unset fields
+			}
+			names = append(names, name)
+		}
+
+		for i, n := range names {
+			val := v.FieldByName(n)
+			buf.WriteString(strings.Repeat(" ", indent+2))
+			buf.WriteString(n + ": ")
+			prettify(val, indent+2, buf)
+
+			if i < len(names)-1 {
+				buf.WriteString(",\n")
+			}
+		}
+
+		buf.WriteString("\n" + strings.Repeat(" ", indent) + "}")
+	case reflect.Slice:
+		nl, id, id2 := "", "", ""
+		if v.Len() > 3 {
+			nl, id, id2 = "\n", strings.Repeat(" ", indent), strings.Repeat(" ", indent+2)
+		}
+		buf.WriteString("[" + nl)
+		for i := 0; i < v.Len(); i++ {
+			buf.WriteString(id2)
+			prettify(v.Index(i), indent+2, buf)
+
+			if i < v.Len()-1 {
+				buf.WriteString("," + nl)
+			}
+		}
+
+		buf.WriteString(nl + id + "]")
+	case reflect.Map:
+		buf.WriteString("{\n")
+
+		for i, k := range v.MapKeys() {
+			buf.WriteString(strings.Repeat(" ", indent+2))
+			buf.WriteString(k.String() + ": ")
+			prettify(v.MapIndex(k), indent+2, buf)
+
+			if i < v.Len()-1 {
+				buf.WriteString(",\n")
+			}
+		}
+
+		buf.WriteString("\n" + strings.Repeat(" ", indent) + "}")
+	default:
+		format := "%v"
+		switch v.Interface().(type) {
+		case string:
+			format = "%q"
+		case io.ReadSeeker, io.Reader:
+			format = "buffer(%p)"
+		}
+		fmt.Fprintf(buf, format, v.Interface())
+	}
+}

Godeps/_workspace/src/github.com/aws/aws-sdk-go/aws/config.go

+package aws
+
+import (
+	"net/http"
+	"os"
+	"time"
+
+	"github.com/aws/aws-sdk-go/aws/credentials"
+)
+
+// DefaultChainCredentials is a Credentials which will find the first available
+// credentials Value from the list of Providers.
+//
+// This should be used in the default case. Once the type of credentials are
+// known switching to the specific Credentials will be more efficient.
+var DefaultChainCredentials = credentials.NewChainCredentials(
+	[]credentials.Provider{
+		&credentials.EnvProvider{},
+		&credentials.SharedCredentialsProvider{Filename: "", Profile: ""},
+		&credentials.EC2RoleProvider{ExpiryWindow: 5 * time.Minute},
+	})
+
+// The default number of retries for a service. The value of -1 indicates that
+// the service specific retry default will be used.
+const DefaultRetries = -1
+
+// DefaultConfig is the default all service configuration will be based off of.
+// By default, all clients use this structure for initialization options unless
+// a custom configuration object is passed in.
+//
+// You may modify this global structure to change all default configuration
+// in the SDK. Note that configuration options are copied by value, so any
+// modifications must happen before constructing a client.
+var DefaultConfig = NewConfig().
+	WithCredentials(DefaultChainCredentials).
+	WithRegion(os.Getenv("AWS_REGION")).
+	WithHTTPClient(http.DefaultClient).
+	WithMaxRetries(DefaultRetries).
+	WithLogger(NewDefaultLogger()).
+	WithLogLevel(LogOff)
+
+// A Config provides service configuration for service clients. By default,
+// all clients will use the {DefaultConfig} structure.
+type Config struct {
+	// The credentials object to use when signing requests. Defaults to
+	// {DefaultChainCredentials}.
+	Credentials *credentials.Credentials
+
+	// An optional endpoint URL (hostname only or fully qualified URI)
+	// that overrides the default generated endpoint for a client. Set this
+	// to `""` to use the default generated endpoint.
+	//
+	// @note You must still provide a `Region` value when specifying an
+	//   endpoint for a client.
+	Endpoint *string
+
+	// The region to send requests to. This parameter is required and must
+	// be configured globally or on a per-client basis unless otherwise
+	// noted. A full list of regions is found in the "Regions and Endpoints"
+	// document.
+	//
+	// @see http://docs.aws.amazon.com/general/latest/gr/rande.html
+	//   AWS Regions and Endpoints
+	Region *string
+
+	// Set this to `true` to disable SSL when sending requests. Defaults
+	// to `false`.
+	DisableSSL *bool
+
+	// The HTTP client to use when sending requests. Defaults to
+	// `http.DefaultClient`.
+	HTTPClient *http.Client
+
+	// An integer value representing the logging level. The default log level
+	// is zero (LogOff), which represents no logging. To enable logging set
+	// to a LogLevel Value.
+	LogLevel *LogLevelType
+
+	// The logger writer interface to write logging messages to. Defaults to
+	// standard out.
+	Logger Logger
+
+	// The maximum number of times that a request will be retried for failures.
+	// Defaults to -1, which defers the max retry setting to the service specific
+	// configuration.
+	MaxRetries *int
+
+	// Disables semantic parameter validation, which validates input for missing
+	// required fields and/or other semantic request input errors.
+	DisableParamValidation *bool
+
+	// Disables the computation of request and response checksums, e.g.,
+	// CRC32 checksums in Amazon DynamoDB.
+	DisableComputeChecksums *bool
+
+	// Set this to `true` to force the request to use path-style addressing,
+	// i.e., `http://s3.amazonaws.com/BUCKET/KEY`. By default, the S3 client will
+	// use virtual hosted bucket addressing when possible
+	// (`http://BUCKET.s3.amazonaws.com/KEY`).
+	//
+	// @note This configuration option is specific to the Amazon S3 service.
+	// @see http://docs.aws.amazon.com/AmazonS3/latest/dev/VirtualHosting.html
+	//   Amazon S3: Virtual Hosting of Buckets
+	S3ForcePathStyle *bool
+}
+
+// NewConfig returns a new Config pointer that can be chained with builder methods to
+// set multiple configuration values inline without using pointers.
+//
+//     svc := s3.New(aws.NewConfig().WithRegion("us-west-2").WithMaxRetries(10))
+//
+func NewConfig() *Config {
+	return &Config{}
+}
+
+// WithCredentials sets a config Credentials value returning a Config pointer
+// for chaining.
+func (c *Config) WithCredentials(creds *credentials.Credentials) *Config {
+	c.Credentials = creds
+	return c
+}
+
+// WithEndpoint sets a config Endpoint value returning a Config pointer for
+// chaining.
+func (c *Config) WithEndpoint(endpoint string) *Config {
+	c.Endpoint = &endpoint
+	return c
+}
+
+// WithRegion sets a config Region value returning a Config pointer for
+// chaining.
+func (c *Config) WithRegion(region string) *Config {
+	c.Region = &region
+	return c
+}
+
+// WithDisableSSL sets a config DisableSSL value returning a Config pointer
+// for chaining.
+func (c *Config) WithDisableSSL(disable bool) *Config {
+	c.DisableSSL = &disable
+	return c
+}
+
+// WithHTTPClient sets a config HTTPClient value returning a Config pointer
+// for chaining.
+func (c *Config) WithHTTPClient(client *http.Client) *Config {
+	c.HTTPClient = client
+	return c
+}
+
+// WithMaxRetries sets a config MaxRetries value returning a Config pointer
+// for chaining.
+func (c *Config) WithMaxRetries(max int) *Config {
+	c.MaxRetries = &max
+	return c
+}
+
+// WithDisableParamValidation sets a config DisableParamValidation value
+// returning a Config pointer for chaining.
+func (c *Config) WithDisableParamValidation(disable bool) *Config {
+	c.DisableParamValidation = &disable
+	return c
+}
+
+// WithDisableComputeChecksums sets a config DisableComputeChecksums value
+// returning a Config pointer for chaining.
+func (c *Config) WithDisableComputeChecksums(disable bool) *Config {
+	c.DisableComputeChecksums = &disable
+	return c
+}
+
+// WithLogLevel sets a config LogLevel value returning a Config pointer for
+// chaining.
+func (c *Config) WithLogLevel(level LogLevelType) *Config {
+	c.LogLevel = &level
+	return c
+}
+
+// WithLogger sets a config Logger value returning a Config pointer for
+// chaining.
+func (c *Config) WithLogger(logger Logger) *Config {
+	c.Logger = logger
+	return c
+}
+
+// WithS3ForcePathStyle sets a config S3ForcePathStyle value returning a Config
+// pointer for chaining.
+func (c *Config) WithS3ForcePathStyle(force bool) *Config {
+	c.S3ForcePathStyle = &force
+	return c
+}
+
+// Merge returns a new Config with the other Config's attribute values merged into
+// this Config. If the other Config's attribute is nil it will not be merged into
+// the new Config to be returned.
+func (c Config) Merge(other *Config) *Config {
+	if other == nil {
+		return &c
+	}
+
+	dst := c
+
+	if other.Credentials != nil {
+		dst.Credentials = other.Credentials
+	}
+
+	if other.Endpoint != nil {
+		dst.Endpoint = other.Endpoint
+	}
+
+	if other.Region != nil {
+		dst.Region = other.Region
+	}
+
+	if other.DisableSSL != nil {
+		dst.DisableSSL = other.DisableSSL
+	}
+
+	if other.HTTPClient != nil {
+		dst.HTTPClient = other.HTTPClient
+	}
+
+	if other.LogLevel != nil {
+		dst.LogLevel = other.LogLevel
+	}
+
+	if other.Logger != nil {
+		dst.Logger = other.Logger
+	}
+
+	if other.MaxRetries != nil {
+		dst.MaxRetries = other.MaxRetries
+	}
+
+	if other.DisableParamValidation != nil {
+		dst.DisableParamValidation = other.DisableParamValidation
+	}
+
+	if other.DisableComputeChecksums != nil {
+		dst.DisableComputeChecksums = other.DisableComputeChecksums
+	}
+
+	if other.S3ForcePathStyle != nil {
+		dst.S3ForcePathStyle = other.S3ForcePathStyle
+	}
+
+	return &dst
+}
+
+// Copy will return a shallow copy of the Config object.
+func (c Config) Copy() *Config {
+	dst := c
+	return &dst
+}

Godeps/_workspace/src/github.com/aws/aws-sdk-go/aws/config_test.go

+package aws
+
+import (
+	"net/http"
+	"reflect"
+	"testing"
+	"time"
+
+	"github.com/aws/aws-sdk-go/aws/credentials"
+)
+
+var testCredentials = credentials.NewChainCredentials([]credentials.Provider{
+	&credentials.EnvProvider{},
+	&credentials.SharedCredentialsProvider{
+		Filename: "TestFilename",
+		Profile:  "TestProfile"},
+	&credentials.EC2RoleProvider{ExpiryWindow: 5 * time.Minute},
+})
+
+var copyTestConfig = Config{
+	Credentials:             testCredentials,
+	Endpoint:                String("CopyTestEndpoint"),
+	Region:                  String("COPY_TEST_AWS_REGION"),
+	DisableSSL:              Bool(true),
+	HTTPClient:              http.DefaultClient,
+	LogLevel:                LogLevel(LogDebug),
+	Logger:                  NewDefaultLogger(),
+	MaxRetries:              Int(DefaultRetries),
+	DisableParamValidation:  Bool(true),
+	DisableComputeChecksums: Bool(true),
+	S3ForcePathStyle:        Bool(true),
+}
+
+func TestCopy(t *testing.T) {
+	want := copyTestConfig
+	got := copyTestConfig.Copy()
+	if !reflect.DeepEqual(*got, want) {
+		t.Errorf("Copy() = %+v", got)
+		t.Errorf("    want %+v", want)
+	}
+}
+
+func TestCopyReturnsNewInstance(t *testing.T) {
+	want := copyTestConfig
+	got := copyTestConfig.Copy()
+	if got == &want {
+		t.Errorf("Copy() = %p; want different instance as source %p", got, &want)
+	}
+}
+
+var mergeTestZeroValueConfig = Config{}
+
+var mergeTestConfig = Config{
+	Credentials:             testCredentials,
+	Endpoint:                String("MergeTestEndpoint"),
+	Region:                  String("MERGE_TEST_AWS_REGION"),
+	DisableSSL:              Bool(true),
+	HTTPClient:              http.DefaultClient,
+	LogLevel:                LogLevel(LogDebug),
+	Logger:                  NewDefaultLogger(),
+	MaxRetries:              Int(10),
+	DisableParamValidation:  Bool(true),
+	DisableComputeChecksums: Bool(true),
+	S3ForcePathStyle:        Bool(true),
+}
+
+var mergeTests = []struct {
+	cfg  *Config
+	in   *Config
+	want *Config
+}{
+	{&Config{}, nil, &Config{}},
+	{&Config{}, &mergeTestZeroValueConfig, &Config{}},
+	{&Config{}, &mergeTestConfig, &mergeTestConfig},
+}
+
+func TestMerge(t *testing.T) {
+	for i, tt := range mergeTests {
+		got := tt.cfg.Merge(tt.in)
+		if !reflect.DeepEqual(got, tt.want) {
+			t.Errorf("Config %d %+v", i, tt.cfg)
+			t.Errorf("   Merge(%+v)", tt.in)
+			t.Errorf("     got %+v", got)
+			t.Errorf("    want %+v", tt.want)
+		}
+	}
+}

Godeps/_workspace/src/github.com/aws/aws-sdk-go/aws/convutil.go

+package aws
+
+import "time"
+
+// String returns a pointer to of the string value passed in.
+func String(v string) *string {
+	return &v
+}
+
+// StringValue returns the value of the string pointer passed in or
+// "" if the pointer is nil.
+func StringValue(v *string) string {
+	if v != nil {
+		return *v
+	}
+	return ""
+}
+
+// StringSlice converts a slice of string values into a slice of
+// string pointers
+func StringSlice(src []string) []*string {
+	dst := make([]*string, len(src))
+	for i := 0; i < len(src); i++ {
+		dst[i] = &(src[i])
+	}
+	return dst
+}
+
+// StringValueSlice converts a slice of string pointers into a slice of
+// string values
+func StringValueSlice(src []*string) []string {
+	dst := make([]string, len(src))
+	for i := 0; i < len(src); i++ {
+		if src[i] != nil {
+			dst[i] = *(src[i])
+		}
+	}
+	return dst
+}
+
+// StringMap converts a string map of string values into a string
+// map of string pointers
+func StringMap(src map[string]string) map[string]*string {
+	dst := make(map[string]*string)
+	for k, val := range src {
+		v := val
+		dst[k] = &v
+	}
+	return dst
+}
+
+// StringValueMap converts a string map of string pointers into a string
+// map of string values
+func StringValueMap(src map[string]*string) map[string]string {
+	dst := make(map[string]string)
+	for k, val := range src {
+		if val != nil {
+			dst[k] = *val
+		}
+	}
+	return dst
+}
+
+// Bool returns a pointer to of the bool value passed in.
+func Bool(v bool) *bool {
+	return &v
+}
+
+// BoolValue returns the value of the bool pointer passed in or
+// false if the pointer is nil.
+func BoolValue(v *bool) bool {
+	if v != nil {
+		return *v
+	}
+	return false
+}
+
+// BoolSlice converts a slice of bool values into a slice of
+// bool pointers
+func BoolSlice(src []bool) []*bool {
+	dst := make([]*bool, len(src))
+	for i := 0; i < len(src); i++ {
+		dst[i] = &(src[i])
+	}
+	return dst
+}
+
+// BoolValueSlice converts a slice of bool pointers into a slice of
+// bool values
+func BoolValueSlice(src []*bool) []bool {
+	dst := make([]bool, len(src))
+	for i := 0; i < len(src); i++ {
+		if src[i] != nil {
+			dst[i] = *(src[i])
+		}
+	}
+	return dst
+}
+
+// BoolMap converts a string map of bool values into a string
+// map of bool pointers
+func BoolMap(src map[string]bool) map[string]*bool {
+	dst := make(map[string]*bool)
+	for k, val := range src {
+		v := val
+		dst[k] = &v
+	}
+	return dst
+}
+
+// BoolValueMap converts a string map of bool pointers into a string
+// map of bool values
+func BoolValueMap(src map[string]*bool) map[string]bool {
+	dst := make(map[string]bool)
+	for k, val := range src {
+		if val != nil {
+			dst[k] = *val
+		}
+	}
+	return dst
+}
+
+// Int returns a pointer to of the int value passed in.
+func Int(v int) *int {
+	return &v
+}
+
+// IntValue returns the value of the int pointer passed in or
+// 0 if the pointer is nil.
+func IntValue(v *int) int {
+	if v != nil {
+		return *v
+	}
+	return 0
+}
+
+// IntSlice converts a slice of int values into a slice of
+// int pointers
+func IntSlice(src []int) []*int {
+	dst := make([]*int, len(src))
+	for i := 0; i < len(src); i++ {
+		dst[i] = &(src[i])
+	}
+	return dst
+}
+
+// IntValueSlice converts a slice of int pointers into a slice of
+// int values
+func IntValueSlice(src []*int) []int {
+	dst := make([]int, len(src))
+	for i := 0; i < len(src); i++ {
+		if src[i] != nil {
+			dst[i] = *(src[i])
+		}
+	}
+	return dst
+}
+
+// IntMap converts a string map of int values into a string
+// map of int pointers
+func IntMap(src map[string]int) map[string]*int {
+	dst := make(map[string]*int)
+	for k, val := range src {
+		v := val
+		dst[k] = &v
+	}
+	return dst
+}
+
+// IntValueMap converts a string map of int pointers into a string
+// map of int values
+func IntValueMap(src map[string]*int) map[string]int {
+	dst := make(map[string]int)
+	for k, val := range src {
+		if val != nil {
+			dst[k] = *val
+		}
+	}
+	return dst
+}
+
+// Int64 returns a pointer to of the int64 value passed in.
+func Int64(v int64) *int64 {
+	return &v
+}
+
+// Int64Value returns the value of the int64 pointer passed in or
+// 0 if the pointer is nil.
+func Int64Value(v *int64) int64 {
+	if v != nil {
+		return *v
+	}
+	return 0
+}
+
+// Int64Slice converts a slice of int64 values into a slice of
+// int64 pointers
+func Int64Slice(src []int64) []*int64 {
+	dst := make([]*int64, len(src))
+	for i := 0; i < len(src); i++ {
+		dst[i] = &(src[i])
+	}
+	return dst
+}
+
+// Int64ValueSlice converts a slice of int64 pointers into a slice of
+// int64 values
+func Int64ValueSlice(src []*int64) []int64 {
+	dst := make([]int64, len(src))
+	for i := 0; i < len(src); i++ {
+		if src[i] != nil {
+			dst[i] = *(src[i])
+		}
+	}
+	return dst
+}
+
+// Int64Map converts a string map of int64 values into a string
+// map of int64 pointers
+func Int64Map(src map[string]int64) map[string]*int64 {
+	dst := make(map[string]*int64)
+	for k, val := range src {
+		v := val
+		dst[k] = &v
+	}
+	return dst
+}
+
+// Int64ValueMap converts a string map of int64 pointers into a string
+// map of int64 values
+func Int64ValueMap(src map[string]*int64) map[string]int64 {
+	dst := make(map[string]int64)
+	for k, val := range src {
+		if val != nil {
+			dst[k] = *val
+		}
+	}
+	return dst
+}
+
+// Float64 returns a pointer to of the float64 value passed in.
+func Float64(v float64) *float64 {
+	return &v
+}
+
+// Float64Value returns the value of the float64 pointer passed in or
+// 0 if the pointer is nil.
+func Float64Value(v *float64) float64 {
+	if v != nil {
+		return *v
+	}
+	return 0
+}
+
+// Float64Slice converts a slice of float64 values into a slice of
+// float64 pointers
+func Float64Slice(src []float64) []*float64 {
+	dst := make([]*float64, len(src))
+	for i := 0; i < len(src); i++ {
+		dst[i] = &(src[i])
+	}
+	return dst
+}
+
+// Float64ValueSlice converts a slice of float64 pointers into a slice of
+// float64 values
+func Float64ValueSlice(src []*float64) []float64 {
+	dst := make([]float64, len(src))
+	for i := 0; i < len(src); i++ {
+		if src[i] != nil {
+			dst[i] = *(src[i])
+		}
+	}
+	return dst
+}
+
+// Float64Map converts a string map of float64 values into a string
+// map of float64 pointers
+func Float64Map(src map[string]float64) map[string]*float64 {
+	dst := make(map[string]*float64)
+	for k, val := range src {
+		v := val
+		dst[k] = &v
+	}
+	return dst
+}
+
+// Float64ValueMap converts a string map of float64 pointers into a string
+// map of float64 values
+func Float64ValueMap(src map[string]*float64) map[string]float64 {
+	dst := make(map[string]float64)
+	for k, val := range src {
+		if val != nil {
+			dst[k] = *val
+		}
+	}
+	return dst
+}
+
+// Time returns a pointer to of the time.Time value passed in.
+func Time(v time.Time) *time.Time {
+	return &v
+}
+
+// TimeValue returns the value of the time.Time pointer passed in or
+// time.Time{} if the pointer is nil.
+func TimeValue(v *time.Time) time.Time {
+	if v != nil {
+		return *v
+	}
+	return time.Time{}
+}
+
+// TimeSlice converts a slice of time.Time values into a slice of
+// time.Time pointers
+func TimeSlice(src []time.Time) []*time.Time {
+	dst := make([]*time.Time, len(src))
+	for i := 0; i < len(src); i++ {
+		dst[i] = &(src[i])
+	}
+	return dst
+}
+
+// TimeValueSlice converts a slice of time.Time pointers into a slice of
+// time.Time values
+func TimeValueSlice(src []*time.Time) []time.Time {
+	dst := make([]time.Time, len(src))
+	for i := 0; i < len(src); i++ {
+		if src[i] != nil {
+			dst[i] = *(src[i])
+		}
+	}
+	return dst
+}
+
+// TimeMap converts a string map of time.Time values into a string
+// map of time.Time pointers
+func TimeMap(src map[string]time.Time) map[string]*time.Time {
+	dst := make(map[string]*time.Time)
+	for k, val := range src {
+		v := val
+		dst[k] = &v
+	}
+	return dst
+}
+
+// TimeValueMap converts a string map of time.Time pointers into a string
+// map of time.Time values
+func TimeValueMap(src map[string]*time.Time) map[string]time.Time {
+	dst := make(map[string]time.Time)
+	for k, val := range src {
+		if val != nil {
+			dst[k] = *val
+		}
+	}
+	return dst
+}

Godeps/_workspace/src/github.com/aws/aws-sdk-go/aws/credentials/chain_provider.go

+package credentials
+
+import (
+	"github.com/aws/aws-sdk-go/aws/awserr"
+)
+
+var (
+	// ErrNoValidProvidersFoundInChain Is returned when there are no valid
+	// providers in the ChainProvider.
+	//
+	// @readonly
+	ErrNoValidProvidersFoundInChain = awserr.New("NoCredentialProviders", "no valid providers in chain", nil)
+)
+
+// A ChainProvider will search for a provider which returns credentials
+// and cache that provider until Retrieve is called again.
+//
+// The ChainProvider provides a way of chaining multiple providers together
+// which will pick the first available using priority order of the Providers
+// in the list.
+//
+// If none of the Providers retrieve valid credentials Value, ChainProvider's
+// Retrieve() will return the error ErrNoValidProvidersFoundInChain.
+//
+// If a Provider is found which returns valid credentials Value ChainProvider
+// will cache that Provider for all calls to IsExpired(), until Retrieve is
+// called again.
+//
+// Example of ChainProvider to be used with an EnvProvider and EC2RoleProvider.
+// In this example EnvProvider will first check if any credentials are available
+// vai the environment variables. If there are none ChainProvider will check
+// the next Provider in the list, EC2RoleProvider in this case. If EC2RoleProvider
+// does not return any credentials ChainProvider will return the error
+// ErrNoValidProvidersFoundInChain
+//
+//     creds := NewChainCredentials(
+//         []Provider{
+//             &EnvProvider{},
+//             &EC2RoleProvider{},
+//         })
+//
+//     // Usage of ChainCredentials with aws.Config
+//     svc := ec2.New(&aws.Config{Credentials: creds})
+//
+type ChainProvider struct {
+	Providers []Provider
+	curr      Provider
+}
+
+// NewChainCredentials returns a pointer to a new Credentials object
+// wrapping a chain of providers.
+func NewChainCredentials(providers []Provider) *Credentials {
+	return NewCredentials(&ChainProvider{
+		Providers: append([]Provider{}, providers...),
+	})
+}
+
+// Retrieve returns the credentials value or error if no provider returned
+// without error.
+//
+// If a provider is found it will be cached and any calls to IsExpired()
+// will return the expired state of the cached provider.
+func (c *ChainProvider) Retrieve() (Value, error) {
+	for _, p := range c.Providers {
+		if creds, err := p.Retrieve(); err == nil {
+			c.curr = p
+			return creds, nil
+		}
+	}
+	c.curr = nil
+
+	// TODO better error reporting. maybe report error for each failed retrieve?
+
+	return Value{}, ErrNoValidProvidersFoundInChain
+}
+
+// IsExpired will returned the expired state of the currently cached provider
+// if there is one.  If there is no current provider, true will be returned.
+func (c *ChainProvider) IsExpired() bool {
+	if c.curr != nil {
+		return c.curr.IsExpired()
+	}
+
+	return true
+}

Godeps/_workspace/src/github.com/aws/aws-sdk-go/aws/credentials/chain_provider_test.go

+package credentials
+
+import (
+	"testing"
+
+	"github.com/aws/aws-sdk-go/aws/awserr"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestChainProviderGet(t *testing.T) {
+	p := &ChainProvider{
+		Providers: []Provider{
+			&stubProvider{err: awserr.New("FirstError", "first provider error", nil)},
+			&stubProvider{err: awserr.New("SecondError", "second provider error", nil)},
+			&stubProvider{
+				creds: Value{
+					AccessKeyID:     "AKID",
+					SecretAccessKey: "SECRET",
+					SessionToken:    "",
+				},
+			},
+		},
+	}
+
+	creds, err := p.Retrieve()
+	assert.Nil(t, err, "Expect no error")
+	assert.Equal(t, "AKID", creds.AccessKeyID, "Expect access key ID to match")
+	assert.Equal(t, "SECRET", creds.SecretAccessKey, "Expect secret access key to match")
+	assert.Empty(t, creds.SessionToken, "Expect session token to be empty")
+}
+
+func TestChainProviderIsExpired(t *testing.T) {
+	stubProvider := &stubProvider{expired: true}
+	p := &ChainProvider{
+		Providers: []Provider{
+			stubProvider,
+		},
+	}
+
+	assert.True(t, p.IsExpired(), "Expect expired to be true before any Retrieve")
+	_, err := p.Retrieve()
+	assert.Nil(t, err, "Expect no error")
+	assert.False(t, p.IsExpired(), "Expect not expired after retrieve")
+
+	stubProvider.expired = true
+	assert.True(t, p.IsExpired(), "Expect return of expired provider")
+
+	_, err = p.Retrieve()
+	assert.False(t, p.IsExpired(), "Expect not expired after retrieve")
+}
+
+func TestChainProviderWithNoProvider(t *testing.T) {
+	p := &ChainProvider{
+		Providers: []Provider{},
+	}
+
+	assert.True(t, p.IsExpired(), "Expect expired with no providers")
+	_, err := p.Retrieve()
+	assert.Equal(t, ErrNoValidProvidersFoundInChain, err, "Expect no providers error returned")
+}
+
+func TestChainProviderWithNoValidProvider(t *testing.T) {
+	p := &ChainProvider{
+		Providers: []Provider{
+			&stubProvider{err: awserr.New("FirstError", "first provider error", nil)},
+			&stubProvider{err: awserr.New("SecondError", "second provider error", nil)},
+		},
+	}
+
+	assert.True(t, p.IsExpired(), "Expect expired with no providers")
+	_, err := p.Retrieve()
+	assert.Equal(t, ErrNoValidProvidersFoundInChain, err, "Expect no providers error returned")
+}

Godeps/_workspace/src/github.com/aws/aws-sdk-go/aws/credentials/credentials.go

+// Package credentials provides credential retrieval and management
+//
+// The Credentials is the primary method of getting access to and managing
+// credentials Values. Using dependency injection retrieval of the credential
+// values is handled by a object which satisfies the Provider interface.
+//
+// By default the Credentials.Get() will cache the successful result of a
+// Provider's Retrieve() until Provider.IsExpired() returns true. At which
+// point Credentials will call Provider's Retrieve() to get new credential Value.
+//
+// The Provider is responsible for determining when credentials Value have expired.
+// It is also important to note that Credentials will always call Retrieve the
+// first time Credentials.Get() is called.
+//
+// Example of using the environment variable credentials.
+//
+//     creds := NewEnvCredentials()
+//
+//     // Retrieve the credentials value
+//     credValue, err := creds.Get()
+//     if err != nil {
+//         // handle error
+//     }
+//
+// Example of forcing credentials to expire and be refreshed on the next Get().
+// This may be helpful to proactively expire credentials and refresh them sooner
+// than they would naturally expire on their own.
+//
+//     creds := NewCredentials(&EC2RoleProvider{})
+//     creds.Expire()
+//     credsValue, err := creds.Get()
+//     // New credentials will be retrieved instead of from cache.
+//
+//
+// Custom Provider
+//
+// Each Provider built into this package also provides a helper method to generate
+// a Credentials pointer setup with the provider. To use a custom Provider just
+// create a type which satisfies the Provider interface and pass it to the
+// NewCredentials method.
+//
+//     type MyProvider struct{}
+//     func (m *MyProvider) Retrieve() (Value, error) {...}
+//     func (m *MyProvider) IsExpired() bool {...}
+//
+//     creds := NewCredentials(&MyProvider{})
+//     credValue, err := creds.Get()
+//
+package credentials
+
+import (
+	"sync"
+	"time"
+)
+
+// Create an empty Credential object that can be used as dummy placeholder
+// credentials for requests that do not need signed.
+//
+// This Credentials can be used to configure a service to not sign requests
+// when making service API calls. For example, when accessing public
+// s3 buckets.
+//
+//     svc := s3.New(&aws.Config{Credentials: AnonymousCredentials})
+//     // Access public S3 buckets.
+//
+// @readonly
+var AnonymousCredentials = NewStaticCredentials("", "", "")
+
+// A Value is the AWS credentials value for individual credential fields.
+type Value struct {
+	// AWS Access key ID
+	AccessKeyID string
+
+	// AWS Secret Access Key
+	SecretAccessKey string
+
+	// AWS Session Token
+	SessionToken string
+}
+
+// A Provider is the interface for any component which will provide credentials
+// Value. A provider is required to manage its own Expired state, and what to
+// be expired means.
+//
+// The Provider should not need to implement its own mutexes, because
+// that will be managed by Credentials.
+type Provider interface {
+	// Refresh returns nil if it successfully retrieved the value.
+	// Error is returned if the value were not obtainable, or empty.
+	Retrieve() (Value, error)
+
+	// IsExpired returns if the credentials are no longer valid, and need
+	// to be retrieved.
+	IsExpired() bool
+}
+
+// A Expiry provides shared expiration logic to be used by credentials
+// providers to implement expiry functionality.
+//
+// The best method to use this struct is as an anonymous field within the
+// provider's struct.
+//
+// Example:
+//     type EC2RoleProvider struct {
+//         Expiry
+//         ...
+//     }
+type Expiry struct {
+	// The date/time when to expire on
+	expiration time.Time
+
+	// If set will be used by IsExpired to determine the current time.
+	// Defaults to time.Now if CurrentTime is not set.  Available for testing
+	// to be able to mock out the current time.
+	CurrentTime func() time.Time
+}
+
+// SetExpiration sets the expiration IsExpired will check when called.
+//
+// If window is greater than 0 the expiration time will be reduced by the
+// window value.
+//
+// Using a window is helpful to trigger credentials to expire sooner than
+// the expiration time given to ensure no requests are made with expired
+// tokens.
+func (e *Expiry) SetExpiration(expiration time.Time, window time.Duration) {
+	e.expiration = expiration
+	if window > 0 {
+		e.expiration = e.expiration.Add(-window)
+	}
+}
+
+// IsExpired returns if the credentials are expired.
+func (e *Expiry) IsExpired() bool {
+	if e.CurrentTime == nil {
+		e.CurrentTime = time.Now
+	}
+	return e.expiration.Before(e.CurrentTime())
+}
+
+// A Credentials provides synchronous safe retrieval of AWS credentials Value.
+// Credentials will cache the credentials value until they expire. Once the value
+// expires the next Get will attempt to retrieve valid credentials.
+//
+// Credentials is safe to use across multiple goroutines and will manage the
+// synchronous state so the Providers do not need to implement their own
+// synchronization.
+//
+// The first Credentials.Get() will always call Provider.Retrieve() to get the
+// first instance of the credentials Value. All calls to Get() after that
+// will return the cached credentials Value until IsExpired() returns true.
+type Credentials struct {
+	creds        Value
+	forceRefresh bool
+	m            sync.Mutex
+
+	provider Provider
+}
+
+// NewCredentials returns a pointer to a new Credentials with the provider set.
+func NewCredentials(provider Provider) *Credentials {
+	return &Credentials{
+		provider:     provider,
+		forceRefresh: true,
+	}
+}
+
+// Get returns the credentials value, or error if the credentials Value failed
+// to be retrieved.
+//
+// Will return the cached credentials Value if it has not expired. If the
+// credentials Value has expired the Provider's Retrieve() will be called
+// to refresh the credentials.
+//
+// If Credentials.Expire() was called the credentials Value will be force
+// expired, and the next call to Get() will cause them to be refreshed.
+func (c *Credentials) Get() (Value, error) {
+	c.m.Lock()
+	defer c.m.Unlock()
+
+	if c.isExpired() {
+		creds, err := c.provider.Retrieve()
+		if err != nil {
+			return Value{}, err
+		}
+		c.creds = creds
+		c.forceRefresh = false
+	}
+
+	return c.creds, nil
+}
+
+// Expire expires the credentials and forces them to be retrieved on the
+// next call to Get().
+//
+// This will override the Provider's expired state, and force Credentials
+// to call the Provider's Retrieve().
+func (c *Credentials) Expire() {
+	c.m.Lock()
+	defer c.m.Unlock()
+
+	c.forceRefresh = true
+}
+
+// IsExpired returns if the credentials are no longer valid, and need
+// to be retrieved.
+//
+// If the Credentials were forced to be expired with Expire() this will
+// reflect that override.
+func (c *Credentials) IsExpired() bool {
+	c.m.Lock()
+	defer c.m.Unlock()
+
+	return c.isExpired()
+}
+
+// isExpired helper method wrapping the definition of expired credentials.
+func (c *Credentials) isExpired() bool {
+	return c.forceRefresh || c.provider.IsExpired()
+}

Godeps/_workspace/src/github.com/aws/aws-sdk-go/aws/credentials/credentials_test.go

+package credentials
+
+import (
+	"testing"
+
+	"github.com/aws/aws-sdk-go/aws/awserr"
+	"github.com/stretchr/testify/assert"
+)
+
+type stubProvider struct {
+	creds   Value
+	expired bool
+	err     error
+}
+
+func (s *stubProvider) Retrieve() (Value, error) {
+	s.expired = false
+	return s.creds, s.err
+}
+func (s *stubProvider) IsExpired() bool {
+	return s.expired
+}
+
+func TestCredentialsGet(t *testing.T) {
+	c := NewCredentials(&stubProvider{
+		creds: Value{
+			AccessKeyID:     "AKID",
+			SecretAccessKey: "SECRET",
+			SessionToken:    "",
+		},
+		expired: true,
+	})
+
+	creds, err := c.Get()
+	assert.Nil(t, err, "Expected no error")
+	assert.Equal(t, "AKID", creds.AccessKeyID, "Expect access key ID to match")
+	assert.Equal(t, "SECRET", creds.SecretAccessKey, "Expect secret access key to match")
+	assert.Empty(t, creds.SessionToken, "Expect session token to be empty")
+}
+
+func TestCredentialsGetWithError(t *testing.T) {
+	c := NewCredentials(&stubProvider{err: awserr.New("provider error", "", nil), expired: true})
+
+	_, err := c.Get()
+	assert.Equal(t, "provider error", err.(awserr.Error).Code(), "Expected provider error")
+}
+
+func TestCredentialsExpire(t *testing.T) {
+	stub := &stubProvider{}
+	c := NewCredentials(stub)
+
+	stub.expired = false
+	assert.True(t, c.IsExpired(), "Expected to start out expired")
+	c.Expire()
+	assert.True(t, c.IsExpired(), "Expected to be expired")
+
+	c.forceRefresh = false
+	assert.False(t, c.IsExpired(), "Expected not to be expired")
+
+	stub.expired = true
+	assert.True(t, c.IsExpired(), "Expected to be expired")
+}

Godeps/_workspace/src/github.com/aws/aws-sdk-go/aws/credentials/ec2_role_provider.go

+package credentials
+
+import (
+	"bufio"
+	"encoding/json"
+	"fmt"
+	"net/http"
+	"time"
+
+	"github.com/aws/aws-sdk-go/aws/awserr"
+)
+
+const metadataCredentialsEndpoint = "http://169.254.169.254/latest/meta-data/iam/security-credentials/"
+
+// A EC2RoleProvider retrieves credentials from the EC2 service, and keeps track if
+// those credentials are expired.
+//
+// Example how to configure the EC2RoleProvider with custom http Client, Endpoint
+// or ExpiryWindow
+//
+//     p := &credentials.EC2RoleProvider{
+//         // Pass in a custom timeout to be used when requesting
+//         // IAM EC2 Role credentials.
+//         Client: &http.Client{
+//             Timeout: 10 * time.Second,
+//         },
+//         // Use default EC2 Role metadata endpoint, Alternate endpoints can be
+//         // specified setting Endpoint to something else.
+//         Endpoint: "",
+//         // Do not use early expiry of credentials. If a non zero value is
+//         // specified the credentials will be expired early
+//         ExpiryWindow: 0,
+//     }
+type EC2RoleProvider struct {
+	Expiry
+
+	// Endpoint must be fully quantified URL
+	Endpoint string
+
+	// HTTP client to use when connecting to EC2 service
+	Client *http.Client
+
+	// ExpiryWindow will allow the credentials to trigger refreshing prior to
+	// the credentials actually expiring. This is beneficial so race conditions
+	// with expiring credentials do not cause request to fail unexpectedly
+	// due to ExpiredTokenException exceptions.
+	//
+	// So a ExpiryWindow of 10s would cause calls to IsExpired() to return true
+	// 10 seconds before the credentials are actually expired.
+	//
+	// If ExpiryWindow is 0 or less it will be ignored.
+	ExpiryWindow time.Duration
+}
+
+// NewEC2RoleCredentials returns a pointer to a new Credentials object
+// wrapping the EC2RoleProvider.
+//
+// Takes a custom http.Client which can be configured for custom handling of
+// things such as timeout.
+//
+// Endpoint is the URL that the EC2RoleProvider will connect to when retrieving
+// role and credentials.
+//
+// Window is the expiry window that will be subtracted from the expiry returned
+// by the role credential request. This is done so that the credentials will
+// expire sooner than their actual lifespan.
+func NewEC2RoleCredentials(client *http.Client, endpoint string, window time.Duration) *Credentials {
+	return NewCredentials(&EC2RoleProvider{
+		Endpoint:     endpoint,
+		Client:       client,
+		ExpiryWindow: window,
+	})
+}
+
+// Retrieve retrieves credentials from the EC2 service.
+// Error will be returned if the request fails, or unable to extract
+// the desired credentials.
+func (m *EC2RoleProvider) Retrieve() (Value, error) {
+	if m.Client == nil {
+		m.Client = http.DefaultClient
+	}
+	if m.Endpoint == "" {
+		m.Endpoint = metadataCredentialsEndpoint
+	}
+
+	credsList, err := requestCredList(m.Client, m.Endpoint)
+	if err != nil {
+		return Value{}, err
+	}
+
+	if len(credsList) == 0 {
+		return Value{}, awserr.New("EmptyEC2RoleList", "empty EC2 Role list", nil)
+	}
+	credsName := credsList[0]
+
+	roleCreds, err := requestCred(m.Client, m.Endpoint, credsName)
+	if err != nil {
+		return Value{}, err
+	}
+
+	m.SetExpiration(roleCreds.Expiration, m.ExpiryWindow)
+
+	return Value{
+		AccessKeyID:     roleCreds.AccessKeyID,
+		SecretAccessKey: roleCreds.SecretAccessKey,
+		SessionToken:    roleCreds.Token,
+	}, nil
+}
+
+// A ec2RoleCredRespBody provides the shape for deserializing credential
+// request responses.
+type ec2RoleCredRespBody struct {
+	Expiration      time.Time
+	AccessKeyID     string
+	SecretAccessKey string
+	Token           string
+}
+
+// requestCredList requests a list of credentials from the EC2 service.
+// If there are no credentials, or there is an error making or receiving the request
+func requestCredList(client *http.Client, endpoint string) ([]string, error) {
+	resp, err := client.Get(endpoint)
+	if err != nil {
+		return nil, awserr.New("ListEC2Role", "failed to list EC2 Roles", err)
+	}
+	defer resp.Body.Close()
+
+	credsList := []string{}
+	s := bufio.NewScanner(resp.Body)
+	for s.Scan() {
+		credsList = append(credsList, s.Text())
+	}
+
+	if err := s.Err(); err != nil {
+		return nil, awserr.New("ReadEC2Role", "failed to read list of EC2 Roles", err)
+	}
+
+	return credsList, nil
+}
+
+// requestCred requests the credentials for a specific credentials from the EC2 service.
+//
+// If the credentials cannot be found, or there is an error reading the response
+// and error will be returned.
+func requestCred(client *http.Client, endpoint, credsName string) (*ec2RoleCredRespBody, error) {
+	resp, err := client.Get(endpoint + credsName)
+	if err != nil {
+		return nil, awserr.New("GetEC2RoleCredentials",
+			fmt.Sprintf("failed to get %s EC2 Role credentials", credsName),
+			err)
+	}
+	defer resp.Body.Close()
+
+	respCreds := &ec2RoleCredRespBody{}
+	if err := json.NewDecoder(resp.Body).Decode(respCreds); err != nil {
+		return nil, awserr.New("DecodeEC2RoleCredentials",
+			fmt.Sprintf("failed to decode %s EC2 Role credentials", credsName),
+			err)
+	}
+
+	return respCreds, nil
+}

Godeps/_workspace/src/github.com/aws/aws-sdk-go/aws/credentials/ec2_role_provider_test.go

+package credentials
+
+import (
+	"fmt"
+	"github.com/stretchr/testify/assert"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+	"time"
+)
+
+func initTestServer(expireOn string) *httptest.Server {
+	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		if r.RequestURI == "/" {
+			fmt.Fprintln(w, "/creds")
+		} else {
+			fmt.Fprintf(w, `{
+  "AccessKeyId" : "accessKey",
+  "SecretAccessKey" : "secret",
+  "Token" : "token",
+  "Expiration" : "%s"
+}`, expireOn)
+		}
+	}))
+
+	return server
+}
+
+func TestEC2RoleProvider(t *testing.T) {
+	server := initTestServer("2014-12-16T01:51:37Z")
+	defer server.Close()
+
+	p := &EC2RoleProvider{Client: http.DefaultClient, Endpoint: server.URL}
+
+	creds, err := p.Retrieve()
+	assert.Nil(t, err, "Expect no error")
+
+	assert.Equal(t, "accessKey", creds.AccessKeyID, "Expect access key ID to match")
+	assert.Equal(t, "secret", creds.SecretAccessKey, "Expect secret access key to match")
+	assert.Equal(t, "token", creds.SessionToken, "Expect session token to match")
+}
+
+func TestEC2RoleProviderIsExpired(t *testing.T) {
+	server := initTestServer("2014-12-16T01:51:37Z")
+	defer server.Close()
+
+	p := &EC2RoleProvider{Client: http.DefaultClient, Endpoint: server.URL}
+	p.CurrentTime = func() time.Time {
+		return time.Date(2014, 12, 15, 21, 26, 0, 0, time.UTC)
+	}
+
+	assert.True(t, p.IsExpired(), "Expect creds to be expired before retrieve.")
+
+	_, err := p.Retrieve()
+	assert.Nil(t, err, "Expect no error")
+
+	assert.False(t, p.IsExpired(), "Expect creds to not be expired after retrieve.")
+
+	p.CurrentTime = func() time.Time {
+		return time.Date(3014, 12, 15, 21, 26, 0, 0, time.UTC)
+	}
+
+	assert.True(t, p.IsExpired(), "Expect creds to be expired.")
+}
+
+func TestEC2RoleProviderExpiryWindowIsExpired(t *testing.T) {
+	server := initTestServer("2014-12-16T01:51:37Z")
+	defer server.Close()
+
+	p := &EC2RoleProvider{Client: http.DefaultClient, Endpoint: server.URL, ExpiryWindow: time.Hour * 1}
+	p.CurrentTime = func() time.Time {
+		return time.Date(2014, 12, 15, 0, 51, 37, 0, time.UTC)
+	}
+
+	assert.True(t, p.IsExpired(), "Expect creds to be expired before retrieve.")
+
+	_, err := p.Retrieve()
+	assert.Nil(t, err, "Expect no error")
+
+	assert.False(t, p.IsExpired(), "Expect creds to not be expired after retrieve.")
+
+	p.CurrentTime = func() time.Time {
+		return time.Date(2014, 12, 16, 0, 55, 37, 0, time.UTC)
+	}
+
+	assert.True(t, p.IsExpired(), "Expect creds to be expired.")
+}
+
+func BenchmarkEC2RoleProvider(b *testing.B) {
+	server := initTestServer("2014-12-16T01:51:37Z")
+	defer server.Close()
+
+	p := &EC2RoleProvider{Client: http.DefaultClient, Endpoint: server.URL}
+	_, err := p.Retrieve()
+	if err != nil {
+		b.Fatal(err)
+	}
+
+	b.ResetTimer()
+	b.RunParallel(func(pb *testing.PB) {
+		for pb.Next() {
+			_, err := p.Retrieve()
+			if err != nil {
+				b.Fatal(err)
+			}
+		}
+	})
+}

Godeps/_workspace/src/github.com/aws/aws-sdk-go/aws/credentials/env_provider.go

+package credentials
+
+import (
+	"os"
+
+	"github.com/aws/aws-sdk-go/aws/awserr"
+)
+
+var (
+	// ErrAccessKeyIDNotFound is returned when the AWS Access Key ID can't be
+	// found in the process's environment.
+	//
+	// @readonly
+	ErrAccessKeyIDNotFound = awserr.New("EnvAccessKeyNotFound", "AWS_ACCESS_KEY_ID or AWS_ACCESS_KEY not found in environment", nil)
+
+	// ErrSecretAccessKeyNotFound is returned when the AWS Secret Access Key
+	// can't be found in the process's environment.
+	//
+	// @readonly
+	ErrSecretAccessKeyNotFound = awserr.New("EnvSecretNotFound", "AWS_SECRET_ACCESS_KEY or AWS_SECRET_KEY not found in environment", nil)
+)
+
+// A EnvProvider retrieves credentials from the environment variables of the
+// running process. Environment credentials never expire.
+//
+// Environment variables used:
+//
+// * Access Key ID:     AWS_ACCESS_KEY_ID or AWS_ACCESS_KEY
+// * Secret Access Key: AWS_SECRET_ACCESS_KEY or AWS_SECRET_KEY
+type EnvProvider struct {
+	retrieved bool
+}
+
+// NewEnvCredentials returns a pointer to a new Credentials object
+// wrapping the environment variable provider.
+func NewEnvCredentials() *Credentials {
+	return NewCredentials(&EnvProvider{})
+}
+
+// Retrieve retrieves the keys from the environment.
+func (e *EnvProvider) Retrieve() (Value, error) {
+	e.retrieved = false
+
+	id := os.Getenv("AWS_ACCESS_KEY_ID")
+	if id == "" {
+		id = os.Getenv("AWS_ACCESS_KEY")
+	}
+
+	secret := os.Getenv("AWS_SECRET_ACCESS_KEY")
+	if secret == "" {
+		secret = os.Getenv("AWS_SECRET_KEY")
+	}
+
+	if id == "" {
+		return Value{}, ErrAccessKeyIDNotFound
+	}
+
+	if secret == "" {
+		return Value{}, ErrSecretAccessKeyNotFound
+	}
+
+	e.retrieved = true
+	return Value{
+		AccessKeyID:     id,
+		SecretAccessKey: secret,
+		SessionToken:    os.Getenv("AWS_SESSION_TOKEN"),
+	}, nil
+}
+
+// IsExpired returns if the credentials have been retrieved.
+func (e *EnvProvider) IsExpired() bool {
+	return !e.retrieved
+}

Godeps/_workspace/src/github.com/aws/aws-sdk-go/aws/credentials/env_provider_test.go

+package credentials
+
+import (
+	"github.com/stretchr/testify/assert"
+	"os"
+	"testing"
+)
+
+func TestEnvProviderRetrieve(t *testing.T) {
+	os.Clearenv()
+	os.Setenv("AWS_ACCESS_KEY_ID", "access")
+	os.Setenv("AWS_SECRET_ACCESS_KEY", "secret")
+	os.Setenv("AWS_SESSION_TOKEN", "token")
+
+	e := EnvProvider{}
+	creds, err := e.Retrieve()
+	assert.Nil(t, err, "Expect no error")
+
+	assert.Equal(t, "access", creds.AccessKeyID, "Expect access key ID to match")
+	assert.Equal(t, "secret", creds.SecretAccessKey, "Expect secret access key to match")
+	assert.Equal(t, "token", creds.SessionToken, "Expect session token to match")
+}
+
+func TestEnvProviderIsExpired(t *testing.T) {
+	os.Clearenv()
+	os.Setenv("AWS_ACCESS_KEY_ID", "access")
+	os.Setenv("AWS_SECRET_ACCESS_KEY", "secret")
+	os.Setenv("AWS_SESSION_TOKEN", "token")
+
+	e := EnvProvider{}
+
+	assert.True(t, e.IsExpired(), "Expect creds to be expired before retrieve.")
+
+	_, err := e.Retrieve()
+	assert.Nil(t, err, "Expect no error")
+
+	assert.False(t, e.IsExpired(), "Expect creds to not be expired after retrieve.")
+}
+
+func TestEnvProviderNoAccessKeyID(t *testing.T) {
+	os.Clearenv()
+	os.Setenv("AWS_SECRET_ACCESS_KEY", "secret")
+
+	e := EnvProvider{}
+	creds, err := e.Retrieve()
+	assert.Equal(t, ErrAccessKeyIDNotFound, err, "ErrAccessKeyIDNotFound expected, but was %#v error: %#v", creds, err)
+}
+
+func TestEnvProviderNoSecretAccessKey(t *testing.T) {
+	os.Clearenv()
+	os.Setenv("AWS_ACCESS_KEY_ID", "access")
+
+	e := EnvProvider{}
+	creds, err := e.Retrieve()
+	assert.Equal(t, ErrSecretAccessKeyNotFound, err, "ErrSecretAccessKeyNotFound expected, but was %#v error: %#v", creds, err)
+}
+
+func TestEnvProviderAlternateNames(t *testing.T) {
+	os.Clearenv()
+	os.Setenv("AWS_ACCESS_KEY", "access")
+	os.Setenv("AWS_SECRET_KEY", "secret")
+
+	e := EnvProvider{}
+	creds, err := e.Retrieve()
+	assert.Nil(t, err, "Expect no error")
+
+	assert.Equal(t, "access", creds.AccessKeyID, "Expected access key ID")
+	assert.Equal(t, "secret", creds.SecretAccessKey, "Expected secret access key")
+	assert.Empty(t, creds.SessionToken, "Expected no token")
+}

Godeps/_workspace/src/github.com/aws/aws-sdk-go/aws/credentials/example.ini

+[default]
+aws_access_key_id = accessKey
+aws_secret_access_key = secret
+aws_session_token = token
+
+[no_token]
+aws_access_key_id = accessKey
+aws_secret_access_key = secret

Godeps/_workspace/src/github.com/aws/aws-sdk-go/aws/credentials/shared_credentials_provider.go

+package credentials
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+
+	"github.com/vaughan0/go-ini"
+
+	"github.com/aws/aws-sdk-go/aws/awserr"
+)
+
+var (
+	// ErrSharedCredentialsHomeNotFound is emitted when the user directory cannot be found.
+	//
+	// @readonly
+	ErrSharedCredentialsHomeNotFound = awserr.New("UserHomeNotFound", "user home directory not found.", nil)
+)
+
+// A SharedCredentialsProvider retrieves credentials from the current user's home
+// directory, and keeps track if those credentials are expired.
+//
+// Profile ini file example: $HOME/.aws/credentials
+type SharedCredentialsProvider struct {
+	// Path to the shared credentials file. If empty will default to current user's
+	// home directory.
+	Filename string
+
+	// AWS Profile to extract credentials from the shared credentials file. If empty
+	// will default to environment variable "AWS_PROFILE" or "default" if
+	// environment variable is also not set.
+	Profile string
+
+	// retrieved states if the credentials have been successfully retrieved.
+	retrieved bool
+}
+
+// NewSharedCredentials returns a pointer to a new Credentials object
+// wrapping the Profile file provider.
+func NewSharedCredentials(filename, profile string) *Credentials {
+	return NewCredentials(&SharedCredentialsProvider{
+		Filename: filename,
+		Profile:  profile,
+	})
+}
+
+// Retrieve reads and extracts the shared credentials from the current
+// users home directory.
+func (p *SharedCredentialsProvider) Retrieve() (Value, error) {
+	p.retrieved = false
+
+	filename, err := p.filename()
+	if err != nil {
+		return Value{}, err
+	}
+
+	creds, err := loadProfile(filename, p.profile())
+	if err != nil {
+		return Value{}, err
+	}
+
+	p.retrieved = true
+	return creds, nil
+}
+
+// IsExpired returns if the shared credentials have expired.
+func (p *SharedCredentialsProvider) IsExpired() bool {
+	return !p.retrieved
+}
+
+// loadProfiles loads from the file pointed to by shared credentials filename for profile.
+// The credentials retrieved from the profile will be returned or error. Error will be
+// returned if it fails to read from the file, or the data is invalid.
+func loadProfile(filename, profile string) (Value, error) {
+	config, err := ini.LoadFile(filename)
+	if err != nil {
+		return Value{}, awserr.New("SharedCredsLoad", "failed to load shared credentials file", err)
+	}
+	iniProfile := config.Section(profile)
+
+	id, ok := iniProfile["aws_access_key_id"]
+	if !ok {
+		return Value{}, awserr.New("SharedCredsAccessKey",
+			fmt.Sprintf("shared credentials %s in %s did not contain aws_access_key_id", profile, filename),
+			nil)
+	}
+
+	secret, ok := iniProfile["aws_secret_access_key"]
+	if !ok {
+		return Value{}, awserr.New("SharedCredsSecret",
+			fmt.Sprintf("shared credentials %s in %s did not contain aws_secret_access_key", profile, filename),
+			nil)
+	}
+
+	token := iniProfile["aws_session_token"]
+
+	return Value{
+		AccessKeyID:     id,
+		SecretAccessKey: secret,
+		SessionToken:    token,
+	}, nil
+}
+
+// filename returns the filename to use to read AWS shared credentials.
+//
+// Will return an error if the user's home directory path cannot be found.
+func (p *SharedCredentialsProvider) filename() (string, error) {
+	if p.Filename == "" {
+		homeDir := os.Getenv("HOME") // *nix
+		if homeDir == "" {           // Windows
+			homeDir = os.Getenv("USERPROFILE")
+		}
+		if homeDir == "" {
+			return "", ErrSharedCredentialsHomeNotFound
+		}
+
+		p.Filename = filepath.Join(homeDir, ".aws", "credentials")
+	}
+
+	return p.Filename, nil
+}
+
+// profile returns the AWS shared credentials profile.  If empty will read
+// environment variable "AWS_PROFILE". If that is not set profile will
+// return "default".
+func (p *SharedCredentialsProvider) profile() string {
+	if p.Profile == "" {
+		p.Profile = os.Getenv("AWS_PROFILE")
+	}
+	if p.Profile == "" {
+		p.Profile = "default"
+	}
+
+	return p.Profile
+}

Godeps/_workspace/src/github.com/aws/aws-sdk-go/aws/credentials/shared_credentials_provider_test.go

+package credentials
+
+import (
+	"github.com/stretchr/testify/assert"
+	"os"
+	"testing"
+)
+
+func TestSharedCredentialsProvider(t *testing.T) {
+	os.Clearenv()
+
+	p := SharedCredentialsProvider{Filename: "example.ini", Profile: ""}
+	creds, err := p.Retrieve()
+	assert.Nil(t, err, "Expect no error")
+
+	assert.Equal(t, "accessKey", creds.AccessKeyID, "Expect access key ID to match")
+	assert.Equal(t, "secret", creds.SecretAccessKey, "Expect secret access key to match")
+	assert.Equal(t, "token", creds.SessionToken, "Expect session token to match")
+}
+
+func TestSharedCredentialsProviderIsExpired(t *testing.T) {
+	os.Clearenv()
+
+	p := SharedCredentialsProvider{Filename: "example.ini", Profile: ""}
+
+	assert.True(t, p.IsExpired(), "Expect creds to be expired before retrieve")
+
+	_, err := p.Retrieve()
+	assert.Nil(t, err, "Expect no error")
+
+	assert.False(t, p.IsExpired(), "Expect creds to not be expired after retrieve")
+}
+
+func TestSharedCredentialsProviderWithAWS_PROFILE(t *testing.T) {
+	os.Clearenv()
+	os.Setenv("AWS_PROFILE", "no_token")
+
+	p := SharedCredentialsProvider{Filename: "example.ini", Profile: ""}
+	creds, err := p.Retrieve()
+	assert.Nil(t, err, "Expect no error")
+
+	assert.Equal(t, "accessKey", creds.AccessKeyID, "Expect access key ID to match")
+	assert.Equal(t, "secret", creds.SecretAccessKey, "Expect secret access key to match")
+	assert.Empty(t, creds.SessionToken, "Expect no token")
+}
+
+func TestSharedCredentialsProviderWithoutTokenFromProfile(t *testing.T) {
+	os.Clearenv()
+
+	p := SharedCredentialsProvider{Filename: "example.ini", Profile: "no_token"}
+	creds, err := p.Retrieve()
+	assert.Nil(t, err, "Expect no error")
+
+	assert.Equal(t, "accessKey", creds.AccessKeyID, "Expect access key ID to match")
+	assert.Equal(t, "secret", creds.SecretAccessKey, "Expect secret access key to match")
+	assert.Empty(t, creds.SessionToken, "Expect no token")
+}
+
+func BenchmarkSharedCredentialsProvider(b *testing.B) {
+	os.Clearenv()
+
+	p := SharedCredentialsProvider{Filename: "example.ini", Profile: ""}
+	_, err := p.Retrieve()
+	if err != nil {
+		b.Fatal(err)
+	}
+
+	b.ResetTimer()
+	b.RunParallel(func(pb *testing.PB) {
+		for pb.Next() {
+			_, err := p.Retrieve()
+			if err != nil {
+				b.Fatal(err)
+			}
+		}
+	})
+}

Godeps/_workspace/src/github.com/aws/aws-sdk-go/aws/credentials/static_provider.go

+package credentials
+
+import (
+	"github.com/aws/aws-sdk-go/aws/awserr"
+)
+
+var (
+	// ErrStaticCredentialsEmpty is emitted when static credentials are empty.
+	//
+	// @readonly
+	ErrStaticCredentialsEmpty = awserr.New("EmptyStaticCreds", "static credentials are empty", nil)
+)
+
+// A StaticProvider is a set of credentials which are set pragmatically,
+// and will never expire.
+type StaticProvider struct {
+	Value
+}
+
+// NewStaticCredentials returns a pointer to a new Credentials object
+// wrapping a static credentials value provider.
+func NewStaticCredentials(id, secret, token string) *Credentials {
+	return NewCredentials(&StaticProvider{Value: Value{
+		AccessKeyID:     id,
+		SecretAccessKey: secret,
+		SessionToken:    token,
+	}})
+}
+
+// Retrieve returns the credentials or error if the credentials are invalid.
+func (s *StaticProvider) Retrieve() (Value, error) {
+	if s.AccessKeyID == "" || s.SecretAccessKey == "" {
+		return Value{}, ErrStaticCredentialsEmpty
+	}
+
+	return s.Value, nil
+}
+
+// IsExpired returns if the credentials are expired.
+//
+// For StaticProvider, the credentials never expired.
+func (s *StaticProvider) IsExpired() bool {
+	return false
+}

Godeps/_workspace/src/github.com/aws/aws-sdk-go/aws/credentials/static_provider_test.go

+package credentials
+
+import (
+	"github.com/stretchr/testify/assert"
+	"testing"
+)
+
+func TestStaticProviderGet(t *testing.T) {
+	s := StaticProvider{
+		Value: Value{
+			AccessKeyID:     "AKID",
+			SecretAccessKey: "SECRET",
+			SessionToken:    "",
+		},
+	}
+
+	creds, err := s.Retrieve()
+	assert.Nil(t, err, "Expect no error")
+	assert.Equal(t, "AKID", creds.AccessKeyID, "Expect access key ID to match")
+	assert.Equal(t, "SECRET", creds.SecretAccessKey, "Expect secret access key to match")
+	assert.Empty(t, creds.SessionToken, "Expect no session token")
+}
+
+func TestStaticProviderIsExpired(t *testing.T) {
+	s := StaticProvider{
+		Value: Value{
+			AccessKeyID:     "AKID",
+			SecretAccessKey: "SECRET",
+			SessionToken:    "",
+		},
+	}
+
+	assert.False(t, s.IsExpired(), "Expect static credentials to never expire")
+}

Godeps/_workspace/src/github.com/aws/aws-sdk-go/aws/credentials/stscreds/assume_role_provider.go

+// Package stscreds are credential Providers to retrieve STS AWS credentials.
+//
+// STS provides multiple ways to retrieve credentials which can be used when making
+// future AWS service API operation calls.
+package stscreds
+
+import (
+	"fmt"
+	"github.com/aws/aws-sdk-go/aws"
+	"github.com/aws/aws-sdk-go/aws/credentials"
+	"github.com/aws/aws-sdk-go/service/sts"
+	"time"
+)
+
+// AssumeRoler represents the minimal subset of the STS client API used by this provider.
+type AssumeRoler interface {
+	AssumeRole(input *sts.AssumeRoleInput) (*sts.AssumeRoleOutput, error)
+}
+
+// AssumeRoleProvider retrieves temporary credentials from the STS service, and
+// keeps track of their expiration time. This provider must be used explicitly,
+// as it is not included in the credentials chain.
+//
+// Example how to configure a service to use this provider:
+//
+//		config := &aws.Config{
+//			Credentials: stscreds.NewCredentials(nil, "arn-of-the-role-to-assume", 10*time.Second),
+//		})
+//		// Use config for creating your AWS service.
+//
+// Example how to obtain customised credentials:
+//
+//		provider := &stscreds.Provider{
+//			// Extend the duration to 1 hour.
+//			Duration: time.Hour,
+//			// Custom role name.
+//			RoleSessionName: "custom-session-name",
+//		}
+//		creds := credentials.NewCredentials(provider)
+//
+type AssumeRoleProvider struct {
+	credentials.Expiry
+
+	// Custom STS client. If not set the default STS client will be used.
+	Client AssumeRoler
+
+	// Role to be assumed.
+	RoleARN string
+
+	// Session name, if you wish to reuse the credentials elsewhere.
+	RoleSessionName string
+
+	// Expiry duration of the STS credentials. Defaults to 15 minutes if not set.
+	Duration time.Duration
+
+	// ExpiryWindow will allow the credentials to trigger refreshing prior to
+	// the credentials actually expiring. This is beneficial so race conditions
+	// with expiring credentials do not cause request to fail unexpectedly
+	// due to ExpiredTokenException exceptions.
+	//
+	// So a ExpiryWindow of 10s would cause calls to IsExpired() to return true
+	// 10 seconds before the credentials are actually expired.
+	//
+	// If ExpiryWindow is 0 or less it will be ignored.
+	ExpiryWindow time.Duration
+}
+
+// NewCredentials returns a pointer to a new Credentials object wrapping the
+// AssumeRoleProvider.  The credentials will expire every 15 minutes and the
+// role will be named after a nanosecond timestamp of this operation.
+//
+// The sts and roleARN parameters are used for building the "AssumeRole" call.
+// Pass nil as sts to use the default client.
+//
+// Window is the expiry window that will be subtracted from the expiry returned
+// by the role credential request. This is done so that the credentials will
+// expire sooner than their actual lifespan.
+func NewCredentials(client AssumeRoler, roleARN string, window time.Duration) *credentials.Credentials {
+	return credentials.NewCredentials(&AssumeRoleProvider{
+		Client:       client,
+		RoleARN:      roleARN,
+		ExpiryWindow: window,
+	})
+}
+
+// Retrieve generates a new set of temporary credentials using STS.
+func (p *AssumeRoleProvider) Retrieve() (credentials.Value, error) {
+
+	// Apply defaults where parameters are not set.
+	if p.Client == nil {
+		p.Client = sts.New(nil)
+	}
+	if p.RoleSessionName == "" {
+		// Try to work out a role name that will hopefully end up unique.
+		p.RoleSessionName = fmt.Sprintf("%d", time.Now().UTC().UnixNano())
+	}
+	if p.Duration == 0 {
+		// Expire as often as AWS permits.
+		p.Duration = 15 * time.Minute
+	}
+
+	roleOutput, err := p.Client.AssumeRole(&sts.AssumeRoleInput{
+		DurationSeconds: aws.Int64(int64(p.Duration / time.Second)),
+		RoleARN:         aws.String(p.RoleARN),
+		RoleSessionName: aws.String(p.RoleSessionName),
+	})
+
+	if err != nil {
+		return credentials.Value{}, err
+	}
+
+	// We will proactively generate new credentials before they expire.
+	p.SetExpiration(*roleOutput.Credentials.Expiration, p.ExpiryWindow)
+
+	return credentials.Value{
+		AccessKeyID:     *roleOutput.Credentials.AccessKeyID,
+		SecretAccessKey: *roleOutput.Credentials.SecretAccessKey,
+		SessionToken:    *roleOutput.Credentials.SessionToken,
+	}, nil
+}

Godeps/_workspace/src/github.com/aws/aws-sdk-go/aws/credentials/stscreds/assume_role_provider_test.go

+package stscreds
+
+import (
+	"github.com/aws/aws-sdk-go/aws"
+	"github.com/aws/aws-sdk-go/service/sts"
+	"github.com/stretchr/testify/assert"
+	"testing"
+	"time"
+)
+
+type stubSTS struct {
+}
+
+func (s *stubSTS) AssumeRole(input *sts.AssumeRoleInput) (*sts.AssumeRoleOutput, error) {
+	expiry := time.Now().Add(60 * time.Minute)
+	return &sts.AssumeRoleOutput{
+		Credentials: &sts.Credentials{
+			// Just reflect the role arn to the provider.
+			AccessKeyID:     input.RoleARN,
+			SecretAccessKey: aws.String("assumedSecretAccessKey"),
+			SessionToken:    aws.String("assumedSessionToken"),
+			Expiration:      &expiry,
+		},
+	}, nil
+}
+
+func TestAssumeRoleProvider(t *testing.T) {
+	stub := &stubSTS{}
+	p := &AssumeRoleProvider{
+		Client:  stub,
+		RoleARN: "roleARN",
+	}
+
+	creds, err := p.Retrieve()
+	assert.Nil(t, err, "Expect no error")
+
+	assert.Equal(t, "roleARN", creds.AccessKeyID, "Expect access key ID to be reflected role ARN")
+	assert.Equal(t, "assumedSecretAccessKey", creds.SecretAccessKey, "Expect secret access key to match")
+	assert.Equal(t, "assumedSessionToken", creds.SessionToken, "Expect session token to match")
+}
+
+func BenchmarkAssumeRoleProvider(b *testing.B) {
+	stub := &stubSTS{}
+	p := &AssumeRoleProvider{
+		Client:  stub,
+		RoleARN: "roleARN",
+	}
+
+	b.ResetTimer()
+	b.RunParallel(func(pb *testing.PB) {
+		for pb.Next() {
+			_, err := p.Retrieve()
+			if err != nil {
+				b.Fatal(err)
+			}
+		}
+	})
+}

Godeps/_workspace/src/github.com/aws/aws-sdk-go/aws/handler_functions.go

+package aws
+
+import (
+	"bytes"
+	"fmt"
+	"io"
+	"io/ioutil"
+	"net/http"
+	"net/url"
+	"regexp"
+	"strconv"
+	"time"
+
+	"github.com/aws/aws-sdk-go/aws/awserr"
+)
+
+var sleepDelay = func(delay time.Duration) {
+	time.Sleep(delay)
+}
+
+// Interface for matching types which also have a Len method.
+type lener interface {
+	Len() int
+}
+
+// BuildContentLength builds the content length of a request based on the body,
+// or will use the HTTPRequest.Header's "Content-Length" if defined. If unable
+// to determine request body length and no "Content-Length" was specified it will panic.
+func BuildContentLength(r *Request) {
+	if slength := r.HTTPRequest.Header.Get("Content-Length"); slength != "" {
+		length, _ := strconv.ParseInt(slength, 10, 64)
+		r.HTTPRequest.ContentLength = length
+		return
+	}
+
+	var length int64
+	switch body := r.Body.(type) {
+	case nil:
+		length = 0
+	case lener:
+		length = int64(body.Len())
+	case io.Seeker:
+		r.bodyStart, _ = body.Seek(0, 1)
+		end, _ := body.Seek(0, 2)
+		body.Seek(r.bodyStart, 0) // make sure to seek back to original location
+		length = end - r.bodyStart
+	default:
+		panic("Cannot get length of body, must provide `ContentLength`")
+	}
+
+	r.HTTPRequest.ContentLength = length
+	r.HTTPRequest.Header.Set("Content-Length", fmt.Sprintf("%d", length))
+}
+
+// UserAgentHandler is a request handler for injecting User agent into requests.
+func UserAgentHandler(r *Request) {
+	r.HTTPRequest.Header.Set("User-Agent", SDKName+"/"+SDKVersion)
+}
+
+var reStatusCode = regexp.MustCompile(`^(\d+)`)
+
+// SendHandler is a request handler to send service request using HTTP client.
+func SendHandler(r *Request) {
+	var err error
+	r.HTTPResponse, err = r.Service.Config.HTTPClient.Do(r.HTTPRequest)
+	if err != nil {
+		// Capture the case where url.Error is returned for error processing
+		// response. e.g. 301 without location header comes back as string
+		// error and r.HTTPResponse is nil. Other url redirect errors will
+		// comeback in a similar method.
+		if e, ok := err.(*url.Error); ok {
+			if s := reStatusCode.FindStringSubmatch(e.Error()); s != nil {
+				code, _ := strconv.ParseInt(s[1], 10, 64)
+				r.HTTPResponse = &http.Response{
+					StatusCode: int(code),
+					Status:     http.StatusText(int(code)),
+					Body:       ioutil.NopCloser(bytes.NewReader([]byte{})),
+				}
+				return
+			}
+		}
+		if r.HTTPRequest == nil {
+			// Add a dummy request response object to ensure the HTTPResponse
+			// value is consistent.
+			r.HTTPResponse = &http.Response{
+				StatusCode: int(0),
+				Status:     http.StatusText(int(0)),
+				Body:       ioutil.NopCloser(bytes.NewReader([]byte{})),
+			}
+		}
+		// Catch all other request errors.
+		r.Error = awserr.New("RequestError", "send request failed", err)
+		r.Retryable = Bool(true) // network errors are retryable
+	}
+}
+
+// ValidateResponseHandler is a request handler to validate service response.
+func ValidateResponseHandler(r *Request) {
+	if r.HTTPResponse.StatusCode == 0 || r.HTTPResponse.StatusCode >= 300 {
+		// this may be replaced by an UnmarshalError handler
+		r.Error = awserr.New("UnknownError", "unknown error", nil)
+	}
+}
+
+// AfterRetryHandler performs final checks to determine if the request should
+// be retried and how long to delay.
+func AfterRetryHandler(r *Request) {
+	// If one of the other handlers already set the retry state
+	// we don't want to override it based on the service's state
+	if r.Retryable == nil {
+		r.Retryable = Bool(r.Service.ShouldRetry(r))
+	}
+
+	if r.WillRetry() {
+		r.RetryDelay = r.Service.RetryRules(r)
+		sleepDelay(r.RetryDelay)
+
+		// when the expired token exception occurs the credentials
+		// need to be expired locally so that the next request to
+		// get credentials will trigger a credentials refresh.
+		if r.Error != nil {
+			if err, ok := r.Error.(awserr.Error); ok {
+				if isCodeExpiredCreds(err.Code()) {
+					r.Config.Credentials.Expire()
+				}
+			}
+		}
+
+		r.RetryCount++
+		r.Error = nil
+	}
+}
+
+var (
+	// ErrMissingRegion is an error that is returned if region configuration is
+	// not found.
+	//
+	// @readonly
+	ErrMissingRegion error = awserr.New("MissingRegion", "could not find region configuration", nil)
+
+	// ErrMissingEndpoint is an error that is returned if an endpoint cannot be
+	// resolved for a service.
+	//
+	// @readonly
+	ErrMissingEndpoint error = awserr.New("MissingEndpoint", "'Endpoint' configuration is required for this service", nil)
+)
+
+// ValidateEndpointHandler is a request handler to validate a request had the
+// appropriate Region and Endpoint set. Will set r.Error if the endpoint or
+// region is not valid.
+func ValidateEndpointHandler(r *Request) {
+	if r.Service.SigningRegion == "" && StringValue(r.Service.Config.Region) == "" {
+		r.Error = ErrMissingRegion
+	} else if r.Service.Endpoint == "" {
+		r.Error = ErrMissingEndpoint
+	}
+}

Godeps/_workspace/src/github.com/aws/aws-sdk-go/aws/handler_functions_test.go

+package aws
+
+import (
+	"net/http"
+	"os"
+	"testing"
+
+	"github.com/aws/aws-sdk-go/aws/awserr"
+	"github.com/aws/aws-sdk-go/aws/credentials"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestValidateEndpointHandler(t *testing.T) {
+	os.Clearenv()
+	svc := NewService(NewConfig().WithRegion("us-west-2"))
+	svc.Handlers.Clear()
+	svc.Handlers.Validate.PushBack(ValidateEndpointHandler)
+
+	req := NewRequest(svc, &Operation{Name: "Operation"}, nil, nil)
+	err := req.Build()
+
+	assert.NoError(t, err)
+}
+
+func TestValidateEndpointHandlerErrorRegion(t *testing.T) {
+	os.Clearenv()
+	svc := NewService(nil)
+	svc.Handlers.Clear()
+	svc.Handlers.Validate.PushBack(ValidateEndpointHandler)
+
+	req := NewRequest(svc, &Operation{Name: "Operation"}, nil, nil)
+	err := req.Build()
+
+	assert.Error(t, err)
+	assert.Equal(t, ErrMissingRegion, err)
+}
+
+type mockCredsProvider struct {
+	expired        bool
+	retrieveCalled bool
+}
+
+func (m *mockCredsProvider) Retrieve() (credentials.Value, error) {
+	m.retrieveCalled = true
+	return credentials.Value{}, nil
+}
+
+func (m *mockCredsProvider) IsExpired() bool {
+	return m.expired
+}
+
+func TestAfterRetryRefreshCreds(t *testing.T) {
+	os.Clearenv()
+	credProvider := &mockCredsProvider{}
+	svc := NewService(&Config{Credentials: credentials.NewCredentials(credProvider), MaxRetries: Int(1)})
+
+	svc.Handlers.Clear()
+	svc.Handlers.ValidateResponse.PushBack(func(r *Request) {
+		r.Error = awserr.New("UnknownError", "", nil)
+		r.HTTPResponse = &http.Response{StatusCode: 400}
+	})
+	svc.Handlers.UnmarshalError.PushBack(func(r *Request) {
+		r.Error = awserr.New("ExpiredTokenException", "", nil)
+	})
+	svc.Handlers.AfterRetry.PushBack(func(r *Request) {
+		AfterRetryHandler(r)
+	})
+
+	assert.True(t, svc.Config.Credentials.IsExpired(), "Expect to start out expired")
+	assert.False(t, credProvider.retrieveCalled)
+
+	req := NewRequest(svc, &Operation{Name: "Operation"}, nil, nil)
+	req.Send()
+
+	assert.True(t, svc.Config.Credentials.IsExpired())
+	assert.False(t, credProvider.retrieveCalled)
+
+	_, err := svc.Config.Credentials.Get()
+	assert.NoError(t, err)
+	assert.True(t, credProvider.retrieveCalled)
+}

Godeps/_workspace/src/github.com/aws/aws-sdk-go/aws/handlers.go

+package aws
+
+// A Handlers provides a collection of request handlers for various
+// stages of handling requests.
+type Handlers struct {
+	Validate         HandlerList
+	Build            HandlerList
+	Sign             HandlerList
+	Send             HandlerList
+	ValidateResponse HandlerList
+	Unmarshal        HandlerList
+	UnmarshalMeta    HandlerList
+	UnmarshalError   HandlerList
+	Retry            HandlerList
+	AfterRetry       HandlerList
+}
+
+// copy returns of this handler's lists.
+func (h *Handlers) copy() Handlers {
+	return Handlers{
+		Validate:         h.Validate.copy(),
+		Build:            h.Build.copy(),
+		Sign:             h.Sign.copy(),
+		Send:             h.Send.copy(),
+		ValidateResponse: h.ValidateResponse.copy(),
+		Unmarshal:        h.Unmarshal.copy(),
+		UnmarshalError:   h.UnmarshalError.copy(),
+		UnmarshalMeta:    h.UnmarshalMeta.copy(),
+		Retry:            h.Retry.copy(),
+		AfterRetry:       h.AfterRetry.copy(),
+	}
+}
+
+// Clear removes callback functions for all handlers
+func (h *Handlers) Clear() {
+	h.Validate.Clear()
+	h.Build.Clear()
+	h.Send.Clear()
+	h.Sign.Clear()
+	h.Unmarshal.Clear()
+	h.UnmarshalMeta.Clear()
+	h.UnmarshalError.Clear()
+	h.ValidateResponse.Clear()
+	h.Retry.Clear()
+	h.AfterRetry.Clear()
+}
+
+// A HandlerList manages zero or more handlers in a list.
+type HandlerList struct {
+	list []func(*Request)
+}
+
+// copy creates a copy of the handler list.
+func (l *HandlerList) copy() HandlerList {
+	var n HandlerList
+	n.list = append([]func(*Request){}, l.list...)
+	return n
+}
+
+// Clear clears the handler list.
+func (l *HandlerList) Clear() {
+	l.list = []func(*Request){}
+}
+
+// Len returns the number of handlers in the list.
+func (l *HandlerList) Len() int {
+	return len(l.list)
+}
+
+// PushBack pushes handlers f to the back of the handler list.
+func (l *HandlerList) PushBack(f ...func(*Request)) {
+	l.list = append(l.list, f...)
+}
+
+// PushFront pushes handlers f to the front of the handler list.
+func (l *HandlerList) PushFront(f ...func(*Request)) {
+	l.list = append(f, l.list...)
+}
+
+// Run executes all handlers in the list with a given request object.
+func (l *HandlerList) Run(r *Request) {
+	for _, f := range l.list {
+		f(r)
+	}
+}

Godeps/_workspace/src/github.com/aws/aws-sdk-go/aws/handlers_test.go

+package aws
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestHandlerList(t *testing.T) {
+	s := ""
+	r := &Request{}
+	l := HandlerList{}
+	l.PushBack(func(r *Request) {
+		s += "a"
+		r.Data = s
+	})
+	l.Run(r)
+	assert.Equal(t, "a", s)
+	assert.Equal(t, "a", r.Data)
+}
+
+func TestMultipleHandlers(t *testing.T) {
+	r := &Request{}
+	l := HandlerList{}
+	l.PushBack(func(r *Request) { r.Data = nil })
+	l.PushFront(func(r *Request) { r.Data = Bool(true) })
+	l.Run(r)
+	if r.Data != nil {
+		t.Error("Expected handler to execute")
+	}
+}

Godeps/_workspace/src/github.com/aws/aws-sdk-go/aws/logger.go

+package aws
+
+import (
+	"log"
+	"os"
+)
+
+// A LogLevelType defines the level logging should be performed at. Used to instruct
+// the SDK which statements should be logged.
+type LogLevelType uint
+
+// LogLevel returns the pointer to a LogLevel. Should be used to workaround
+// not being able to take the address of a non-composite literal.
+func LogLevel(l LogLevelType) *LogLevelType {
+	return &l
+}
+
+// Value returns the LogLevel value or the default value LogOff if the LogLevel
+// is nil. Safe to use on nil value LogLevelTypes.
+func (l *LogLevelType) Value() LogLevelType {
+	if l != nil {
+		return *l
+	}
+	return LogOff
+}
+
+// Matches returns true if the v LogLevel is enabled by this LogLevel. Should be
+// used with logging sub levels. Is safe to use on nil value LogLevelTypes. If
+// LogLevel is nill, will default to LogOff comparison.
+func (l *LogLevelType) Matches(v LogLevelType) bool {
+	c := l.Value()
+	return c&v == v
+}
+
+// AtLeast returns true if this LogLevel is at least high enough to satisfies v.
+// Is safe to use on nil value LogLevelTypes. If LogLevel is nill, will default
+// to LogOff comparison.
+func (l *LogLevelType) AtLeast(v LogLevelType) bool {
+	c := l.Value()
+	return c >= v
+}
+
+const (
+	// LogOff states that no logging should be performed by the SDK. This is the
+	// default state of the SDK, and should be use to disable all logging.
+	LogOff LogLevelType = iota * 0x1000
+
+	// LogDebug state that debug output should be logged by the SDK. This should
+	// be used to inspect request made and responses received.
+	LogDebug
+)
+
+// Debug Logging Sub Levels
+const (
+	// LogDebugWithSigning states that the SDK should log request signing and
+	// presigning events. This should be used to log the signing details of
+	// requests for debugging. Will also enable LogDebug.
+	LogDebugWithSigning LogLevelType = LogDebug | (1 << iota)
+
+	// LogDebugWithHTTPBody states the SDK should log HTTP request and response
+	// HTTP bodys in addition to the headers and path. This should be used to
+	// see the body content of requests and responses made while using the SDK
+	// Will also enable LogDebug.
+	LogDebugWithHTTPBody
+)
+
+// A Logger is a minimalistic interface for the SDK to log messages to. Should
+// be used to provide custom logging writers for the SDK to use.
+type Logger interface {
+	Log(...interface{})
+}
+
+// NewDefaultLogger returns a Logger which will write log messages to stdout, and
+// use same formatting runes as the stdlib log.Logger
+func NewDefaultLogger() Logger {
+	return &defaultLogger{
+		logger: log.New(os.Stdout, "", log.LstdFlags),
+	}
+}
+
+// A defaultLogger provides a minimalistic logger satisfying the Logger interface.
+type defaultLogger struct {
+	logger *log.Logger
+}
+
+// Log logs the parameters to the stdlib logger. See log.Println.
+func (l defaultLogger) Log(args ...interface{}) {
+	l.logger.Println(args...)
+}

Godeps/_workspace/src/github.com/aws/aws-sdk-go/aws/param_validator.go

+package aws
+
+import (
+	"fmt"
+	"reflect"
+	"strings"
+
+	"github.com/aws/aws-sdk-go/aws/awserr"
+)
+
+// ValidateParameters is a request handler to validate the input parameters.
+// Validating parameters only has meaning if done prior to the request being sent.
+func ValidateParameters(r *Request) {
+	if r.ParamsFilled() {
+		v := validator{errors: []string{}}
+		v.validateAny(reflect.ValueOf(r.Params), "")
+
+		if count := len(v.errors); count > 0 {
+			format := "%d validation errors:\n- %s"
+			msg := fmt.Sprintf(format, count, strings.Join(v.errors, "\n- "))
+			r.Error = awserr.New("InvalidParameter", msg, nil)
+		}
+	}
+}
+
+// A validator validates values. Collects validations errors which occurs.
+type validator struct {
+	errors []string
+}
+
+// validateAny will validate any struct, slice or map type. All validations
+// are also performed recursively for nested types.
+func (v *validator) validateAny(value reflect.Value, path string) {
+	value = reflect.Indirect(value)
+	if !value.IsValid() {
+		return
+	}
+
+	switch value.Kind() {
+	case reflect.Struct:
+		v.validateStruct(value, path)
+	case reflect.Slice:
+		for i := 0; i < value.Len(); i++ {
+			v.validateAny(value.Index(i), path+fmt.Sprintf("[%d]", i))
+		}
+	case reflect.Map:
+		for _, n := range value.MapKeys() {
+			v.validateAny(value.MapIndex(n), path+fmt.Sprintf("[%q]", n.String()))
+		}
+	}
+}
+
+// validateStruct will validate the struct value's fields. If the structure has
+// nested types those types will be validated also.
+func (v *validator) validateStruct(value reflect.Value, path string) {
+	prefix := "."
+	if path == "" {
+		prefix = ""
+	}
+
+	for i := 0; i < value.Type().NumField(); i++ {
+		f := value.Type().Field(i)
+		if strings.ToLower(f.Name[0:1]) == f.Name[0:1] {
+			continue
+		}
+		fvalue := value.FieldByName(f.Name)
+
+		notset := false
+		if f.Tag.Get("required") != "" {
+			switch fvalue.Kind() {
+			case reflect.Ptr, reflect.Slice, reflect.Map:
+				if fvalue.IsNil() {
+					notset = true
+				}
+			default:
+				if !fvalue.IsValid() {
+					notset = true
+				}
+			}
+		}
+
+		if notset {
+			msg := "missing required parameter: " + path + prefix + f.Name
+			v.errors = append(v.errors, msg)
+		} else {
+			v.validateAny(fvalue, path+prefix+f.Name)
+		}
+	}
+}

Godeps/_workspace/src/github.com/aws/aws-sdk-go/aws/param_validator_test.go

+package aws_test
+
+import (
+	"testing"
+
+	"github.com/aws/aws-sdk-go/aws"
+	"github.com/aws/aws-sdk-go/aws/awserr"
+	"github.com/stretchr/testify/assert"
+)
+
+var service = func() *aws.Service {
+	s := &aws.Service{
+		Config:      &aws.Config{},
+		ServiceName: "mock-service",
+		APIVersion:  "2015-01-01",
+	}
+	return s
+}()
+
+type StructShape struct {
+	RequiredList   []*ConditionalStructShape          `required:"true"`
+	RequiredMap    map[string]*ConditionalStructShape `required:"true"`
+	RequiredBool   *bool                              `required:"true"`
+	OptionalStruct *ConditionalStructShape
+
+	hiddenParameter *string
+
+	metadataStructureShape
+}
+
+type metadataStructureShape struct {
+	SDKShapeTraits bool
+}
+
+type ConditionalStructShape struct {
+	Name           *string `required:"true"`
+	SDKShapeTraits bool
+}
+
+func TestNoErrors(t *testing.T) {
+	input := &StructShape{
+		RequiredList: []*ConditionalStructShape{},
+		RequiredMap: map[string]*ConditionalStructShape{
+			"key1": {Name: aws.String("Name")},
+			"key2": {Name: aws.String("Name")},
+		},
+		RequiredBool:   aws.Bool(true),
+		OptionalStruct: &ConditionalStructShape{Name: aws.String("Name")},
+	}
+
+	req := aws.NewRequest(service, &aws.Operation{}, input, nil)
+	aws.ValidateParameters(req)
+	assert.NoError(t, req.Error)
+}
+
+func TestMissingRequiredParameters(t *testing.T) {
+	input := &StructShape{}
+	req := aws.NewRequest(service, &aws.Operation{}, input, nil)
+	aws.ValidateParameters(req)
+
+	assert.Error(t, req.Error)
+	assert.Equal(t, "InvalidParameter", req.Error.(awserr.Error).Code())
+	assert.Equal(t, "3 validation errors:\n- missing required parameter: RequiredList\n- missing required parameter: RequiredMap\n- missing required parameter: RequiredBool", req.Error.(awserr.Error).Message())
+}
+
+func TestNestedMissingRequiredParameters(t *testing.T) {
+	input := &StructShape{
+		RequiredList: []*ConditionalStructShape{{}},
+		RequiredMap: map[string]*ConditionalStructShape{
+			"key1": {Name: aws.String("Name")},
+			"key2": {},
+		},
+		RequiredBool:   aws.Bool(true),
+		OptionalStruct: &ConditionalStructShape{},
+	}
+
+	req := aws.NewRequest(service, &aws.Operation{}, input, nil)
+	aws.ValidateParameters(req)
+
+	assert.Error(t, req.Error)
+	assert.Equal(t, "InvalidParameter", req.Error.(awserr.Error).Code())
+	assert.Equal(t, "3 validation errors:\n- missing required parameter: RequiredList[0].Name\n- missing required parameter: RequiredMap[\"key2\"].Name\n- missing required parameter: OptionalStruct.Name", req.Error.(awserr.Error).Message())
+
+}

Godeps/_workspace/src/github.com/aws/aws-sdk-go/aws/request.go

+package aws
+
+import (
+	"bytes"
+	"io"
+	"io/ioutil"
+	"net/http"
+	"net/url"
+	"reflect"
+	"strings"
+	"time"
+
+	"github.com/aws/aws-sdk-go/aws/awsutil"
+)
+
+// A Request is the service request to be made.
+type Request struct {
+	*Service
+	Handlers     Handlers
+	Time         time.Time
+	ExpireTime   time.Duration
+	Operation    *Operation
+	HTTPRequest  *http.Request
+	HTTPResponse *http.Response
+	Body         io.ReadSeeker
+	bodyStart    int64 // offset from beginning of Body that the request body starts
+	Params       interface{}
+	Error        error
+	Data         interface{}
+	RequestID    string
+	RetryCount   uint
+	Retryable    *bool
+	RetryDelay   time.Duration
+
+	built bool
+}
+
+// An Operation is the service API operation to be made.
+type Operation struct {
+	Name       string
+	HTTPMethod string
+	HTTPPath   string
+	*Paginator
+}
+
+// Paginator keeps track of pagination configuration for an API operation.
+type Paginator struct {
+	InputTokens     []string
+	OutputTokens    []string
+	LimitToken      string
+	TruncationToken string
+}
+
+// NewRequest returns a new Request pointer for the service API
+// operation and parameters.
+//
+// Params is any value of input parameters to be the request payload.
+// Data is pointer value to an object which the request's response
+// payload will be deserialized to.
+func NewRequest(service *Service, operation *Operation, params interface{}, data interface{}) *Request {
+	method := operation.HTTPMethod
+	if method == "" {
+		method = "POST"
+	}
+	p := operation.HTTPPath
+	if p == "" {
+		p = "/"
+	}
+
+	httpReq, _ := http.NewRequest(method, "", nil)
+	httpReq.URL, _ = url.Parse(service.Endpoint + p)
+
+	r := &Request{
+		Service:     service,
+		Handlers:    service.Handlers.copy(),
+		Time:        time.Now(),
+		ExpireTime:  0,
+		Operation:   operation,
+		HTTPRequest: httpReq,
+		Body:        nil,
+		Params:      params,
+		Error:       nil,
+		Data:        data,
+	}
+	r.SetBufferBody([]byte{})
+
+	return r
+}
+
+// WillRetry returns if the request's can be retried.
+func (r *Request) WillRetry() bool {
+	return r.Error != nil && BoolValue(r.Retryable) && r.RetryCount < r.Service.MaxRetries()
+}
+
+// ParamsFilled returns if the request's parameters have been populated
+// and the parameters are valid. False is returned if no parameters are
+// provided or invalid.
+func (r *Request) ParamsFilled() bool {
+	return r.Params != nil && reflect.ValueOf(r.Params).Elem().IsValid()
+}
+
+// DataFilled returns true if the request's data for response deserialization
+// target has been set and is a valid. False is returned if data is not
+// set, or is invalid.
+func (r *Request) DataFilled() bool {
+	return r.Data != nil && reflect.ValueOf(r.Data).Elem().IsValid()
+}
+
+// SetBufferBody will set the request's body bytes that will be sent to
+// the service API.
+func (r *Request) SetBufferBody(buf []byte) {
+	r.SetReaderBody(bytes.NewReader(buf))
+}
+
+// SetStringBody sets the body of the request to be backed by a string.
+func (r *Request) SetStringBody(s string) {
+	r.SetReaderBody(strings.NewReader(s))
+}
+
+// SetReaderBody will set the request's body reader.
+func (r *Request) SetReaderBody(reader io.ReadSeeker) {
+	r.HTTPRequest.Body = ioutil.NopCloser(reader)
+	r.Body = reader
+}
+
+// Presign returns the request's signed URL. Error will be returned
+// if the signing fails.
+func (r *Request) Presign(expireTime time.Duration) (string, error) {
+	r.ExpireTime = expireTime
+	r.Sign()
+	if r.Error != nil {
+		return "", r.Error
+	}
+	return r.HTTPRequest.URL.String(), nil
+}
+
+// Build will build the request's object so it can be signed and sent
+// to the service. Build will also validate all the request's parameters.
+// Anny additional build Handlers set on this request will be run
+// in the order they were set.
+//
+// The request will only be built once. Multiple calls to build will have
+// no effect.
+//
+// If any Validate or Build errors occur the build will stop and the error
+// which occurred will be returned.
+func (r *Request) Build() error {
+	if !r.built {
+		r.Error = nil
+		r.Handlers.Validate.Run(r)
+		if r.Error != nil {
+			return r.Error
+		}
+		r.Handlers.Build.Run(r)
+		r.built = true
+	}
+
+	return r.Error
+}
+
+// Sign will sign the request retuning error if errors are encountered.
+//
+// Send will build the request prior to signing. All Sign Handlers will
+// be executed in the order they were set.
+func (r *Request) Sign() error {
+	r.Build()
+	if r.Error != nil {
+		return r.Error
+	}
+
+	r.Handlers.Sign.Run(r)
+	return r.Error
+}
+
+// Send will send the request returning error if errors are encountered.
+//
+// Send will sign the request prior to sending. All Send Handlers will
+// be executed in the order they were set.
+func (r *Request) Send() error {
+	for {
+		r.Sign()
+		if r.Error != nil {
+			return r.Error
+		}
+
+		if BoolValue(r.Retryable) {
+			// Re-seek the body back to the original point in for a retry so that
+			// send will send the body's contents again in the upcoming request.
+			r.Body.Seek(r.bodyStart, 0)
+		}
+		r.Retryable = nil
+
+		r.Handlers.Send.Run(r)
+		if r.Error != nil {
+			r.Handlers.Retry.Run(r)
+			r.Handlers.AfterRetry.Run(r)
+			if r.Error != nil {
+				return r.Error
+			}
+			continue
+		}
+
+		r.Handlers.UnmarshalMeta.Run(r)
+		r.Handlers.ValidateResponse.Run(r)
+		if r.Error != nil {
+			r.Handlers.UnmarshalError.Run(r)
+			r.Handlers.Retry.Run(r)
+			r.Handlers.AfterRetry.Run(r)
+			if r.Error != nil {
+				return r.Error
+			}
+			continue
+		}
+
+		r.Handlers.Unmarshal.Run(r)
+		if r.Error != nil {
+			r.Handlers.Retry.Run(r)
+			r.Handlers.AfterRetry.Run(r)
+			if r.Error != nil {
+				return r.Error
+			}
+			continue
+		}
+
+		break
+	}
+
+	return nil
+}
+
+// HasNextPage returns true if this request has more pages of data available.
+func (r *Request) HasNextPage() bool {
+	return r.nextPageTokens() != nil
+}
+
+// nextPageTokens returns the tokens to use when asking for the next page of
+// data.
+func (r *Request) nextPageTokens() []interface{} {
+	if r.Operation.Paginator == nil {
+		return nil
+	}
+
+	if r.Operation.TruncationToken != "" {
+		tr := awsutil.ValuesAtAnyPath(r.Data, r.Operation.TruncationToken)
+		if tr == nil || len(tr) == 0 {
+			return nil
+		}
+		switch v := tr[0].(type) {
+		case bool:
+			if v == false {
+				return nil
+			}
+		}
+	}
+
+	found := false
+	tokens := make([]interface{}, len(r.Operation.OutputTokens))
+
+	for i, outtok := range r.Operation.OutputTokens {
+		v := awsutil.ValuesAtAnyPath(r.Data, outtok)
+		if v != nil && len(v) > 0 {
+			found = true
+			tokens[i] = v[0]
+		}
+	}
+
+	if found {
+		return tokens
+	}
+	return nil
+}
+
+// NextPage returns a new Request that can be executed to return the next
+// page of result data. Call .Send() on this request to execute it.
+func (r *Request) NextPage() *Request {
+	tokens := r.nextPageTokens()
+	if tokens == nil {
+		return nil
+	}
+
+	data := reflect.New(reflect.TypeOf(r.Data).Elem()).Interface()
+	nr := NewRequest(r.Service, r.Operation, awsutil.CopyOf(r.Params), data)
+	for i, intok := range nr.Operation.InputTokens {
+		awsutil.SetValueAtAnyPath(nr.Params, intok, tokens[i])
+	}
+	return nr
+}
+
+// EachPage iterates over each page of a paginated request object. The fn
+// parameter should be a function with the following sample signature:
+//
+//   func(page *T, lastPage bool) bool {
+//       return true // return false to stop iterating
+//   }
+//
+// Where "T" is the structure type matching the output structure of the given
+// operation. For example, a request object generated by
+// DynamoDB.ListTablesRequest() would expect to see dynamodb.ListTablesOutput
+// as the structure "T". The lastPage value represents whether the page is
+// the last page of data or not. The return value of this function should
+// return true to keep iterating or false to stop.
+func (r *Request) EachPage(fn func(data interface{}, isLastPage bool) (shouldContinue bool)) error {
+	for page := r; page != nil; page = page.NextPage() {
+		page.Send()
+		shouldContinue := fn(page.Data, !page.HasNextPage())
+		if page.Error != nil || !shouldContinue {
+			return page.Error
+		}
+	}
+
+	return nil
+}

Godeps/_workspace/src/github.com/aws/aws-sdk-go/aws/request_pagination_test.go

+package aws_test
+
+import (
+	"testing"
+
+	"github.com/aws/aws-sdk-go/aws"
+	"github.com/aws/aws-sdk-go/internal/test/unit"
+	"github.com/aws/aws-sdk-go/service/dynamodb"
+	"github.com/aws/aws-sdk-go/service/s3"
+	"github.com/stretchr/testify/assert"
+)
+
+var _ = unit.Imported
+
+// Use DynamoDB methods for simplicity
+func TestPagination(t *testing.T) {
+	db := dynamodb.New(nil)
+	tokens, pages, numPages, gotToEnd := []string{}, []string{}, 0, false
+
+	reqNum := 0
+	resps := []*dynamodb.ListTablesOutput{
+		{TableNames: []*string{aws.String("Table1"), aws.String("Table2")}, LastEvaluatedTableName: aws.String("Table2")},
+		{TableNames: []*string{aws.String("Table3"), aws.String("Table4")}, LastEvaluatedTableName: aws.String("Table4")},
+		{TableNames: []*string{aws.String("Table5")}},
+	}
+
+	db.Handlers.Send.Clear() // mock sending
+	db.Handlers.Unmarshal.Clear()
+	db.Handlers.UnmarshalMeta.Clear()
+	db.Handlers.ValidateResponse.Clear()
+	db.Handlers.Build.PushBack(func(r *aws.Request) {
+		in := r.Params.(*dynamodb.ListTablesInput)
+		if in == nil {
+			tokens = append(tokens, "")
+		} else if in.ExclusiveStartTableName != nil {
+			tokens = append(tokens, *in.ExclusiveStartTableName)
+		}
+	})
+	db.Handlers.Unmarshal.PushBack(func(r *aws.Request) {
+		r.Data = resps[reqNum]
+		reqNum++
+	})
+
+	params := &dynamodb.ListTablesInput{Limit: aws.Int64(2)}
+	err := db.ListTablesPages(params, func(p *dynamodb.ListTablesOutput, last bool) bool {
+		numPages++
+		for _, t := range p.TableNames {
+			pages = append(pages, *t)
+		}
+		if last {
+			if gotToEnd {
+				assert.Fail(t, "last=true happened twice")
+			}
+			gotToEnd = true
+		}
+		return true
+	})
+
+	assert.Equal(t, []string{"Table2", "Table4"}, tokens)
+	assert.Equal(t, []string{"Table1", "Table2", "Table3", "Table4", "Table5"}, pages)
+	assert.Equal(t, 3, numPages)
+	assert.True(t, gotToEnd)
+	assert.Nil(t, err)
+	assert.Nil(t, params.ExclusiveStartTableName)
+}
+
+// Use DynamoDB methods for simplicity
+func TestPaginationEachPage(t *testing.T) {
+	db := dynamodb.New(nil)
+	tokens, pages, numPages, gotToEnd := []string{}, []string{}, 0, false
+
+	reqNum := 0
+	resps := []*dynamodb.ListTablesOutput{
+		{TableNames: []*string{aws.String("Table1"), aws.String("Table2")}, LastEvaluatedTableName: aws.String("Table2")},
+		{TableNames: []*string{aws.String("Table3"), aws.String("Table4")}, LastEvaluatedTableName: aws.String("Table4")},
+		{TableNames: []*string{aws.String("Table5")}},
+	}
+
+	db.Handlers.Send.Clear() // mock sending
+	db.Handlers.Unmarshal.Clear()
+	db.Handlers.UnmarshalMeta.Clear()
+	db.Handlers.ValidateResponse.Clear()
+	db.Handlers.Build.PushBack(func(r *aws.Request) {
+		in := r.Params.(*dynamodb.ListTablesInput)
+		if in == nil {
+			tokens = append(tokens, "")
+		} else if in.ExclusiveStartTableName != nil {
+			tokens = append(tokens, *in.ExclusiveStartTableName)
+		}
+	})
+	db.Handlers.Unmarshal.PushBack(func(r *aws.Request) {
+		r.Data = resps[reqNum]
+		reqNum++
+	})
+
+	params := &dynamodb.ListTablesInput{Limit: aws.Int64(2)}
+	req, _ := db.ListTablesRequest(params)
+	err := req.EachPage(func(p interface{}, last bool) bool {
+		numPages++
+		for _, t := range p.(*dynamodb.ListTablesOutput).TableNames {
+			pages = append(pages, *t)
+		}
+		if last {
+			if gotToEnd {
+				assert.Fail(t, "last=true happened twice")
+			}
+			gotToEnd = true
+		}
+
+		return true
+	})
+
+	assert.Equal(t, []string{"Table2", "Table4"}, tokens)
+	assert.Equal(t, []string{"Table1", "Table2", "Table3", "Table4", "Table5"}, pages)
+	assert.Equal(t, 3, numPages)
+	assert.True(t, gotToEnd)
+	assert.Nil(t, err)
+}
+
+// Use DynamoDB methods for simplicity
+func TestPaginationEarlyExit(t *testing.T) {
+	db := dynamodb.New(nil)
+	numPages, gotToEnd := 0, false
+
+	reqNum := 0
+	resps := []*dynamodb.ListTablesOutput{
+		{TableNames: []*string{aws.String("Table1"), aws.String("Table2")}, LastEvaluatedTableName: aws.String("Table2")},
+		{TableNames: []*string{aws.String("Table3"), aws.String("Table4")}, LastEvaluatedTableName: aws.String("Table4")},
+		{TableNames: []*string{aws.String("Table5")}},
+	}
+
+	db.Handlers.Send.Clear() // mock sending
+	db.Handlers.Unmarshal.Clear()
+	db.Handlers.UnmarshalMeta.Clear()
+	db.Handlers.ValidateResponse.Clear()
+	db.Handlers.Unmarshal.PushBack(func(r *aws.Request) {
+		r.Data = resps[reqNum]
+		reqNum++
+	})
+
+	params := &dynamodb.ListTablesInput{Limit: aws.Int64(2)}
+	err := db.ListTablesPages(params, func(p *dynamodb.ListTablesOutput, last bool) bool {
+		numPages++
+		if numPages == 2 {
+			return false
+		}
+		if last {
+			if gotToEnd {
+				assert.Fail(t, "last=true happened twice")
+			}
+			gotToEnd = true
+		}
+		return true
+	})
+
+	assert.Equal(t, 2, numPages)
+	assert.False(t, gotToEnd)
+	assert.Nil(t, err)
+}
+
+func TestSkipPagination(t *testing.T) {
+	client := s3.New(nil)
+	client.Handlers.Send.Clear() // mock sending
+	client.Handlers.Unmarshal.Clear()
+	client.Handlers.UnmarshalMeta.Clear()
+	client.Handlers.ValidateResponse.Clear()
+	client.Handlers.Unmarshal.PushBack(func(r *aws.Request) {
+		r.Data = &s3.HeadBucketOutput{}
+	})
+
+	req, _ := client.HeadBucketRequest(&s3.HeadBucketInput{Bucket: aws.String("bucket")})
+
+	numPages, gotToEnd := 0, false
+	req.EachPage(func(p interface{}, last bool) bool {
+		numPages++
+		if last {
+			gotToEnd = true
+		}
+		return true
+	})
+	assert.Equal(t, 1, numPages)
+	assert.True(t, gotToEnd)
+}
+
+// Use S3 for simplicity
+func TestPaginationTruncation(t *testing.T) {
+	count := 0
+	client := s3.New(nil)
+
+	reqNum := &count
+	resps := []*s3.ListObjectsOutput{
+		{IsTruncated: aws.Bool(true), Contents: []*s3.Object{{Key: aws.String("Key1")}}},
+		{IsTruncated: aws.Bool(true), Contents: []*s3.Object{{Key: aws.String("Key2")}}},
+		{IsTruncated: aws.Bool(false), Contents: []*s3.Object{{Key: aws.String("Key3")}}},
+		{IsTruncated: aws.Bool(true), Contents: []*s3.Object{{Key: aws.String("Key4")}}},
+	}
+
+	client.Handlers.Send.Clear() // mock sending
+	client.Handlers.Unmarshal.Clear()
+	client.Handlers.UnmarshalMeta.Clear()
+	client.Handlers.ValidateResponse.Clear()
+	client.Handlers.Unmarshal.PushBack(func(r *aws.Request) {
+		r.Data = resps[*reqNum]
+		*reqNum++
+	})
+
+	params := &s3.ListObjectsInput{Bucket: aws.String("bucket")}
+
+	results := []string{}
+	err := client.ListObjectsPages(params, func(p *s3.ListObjectsOutput, last bool) bool {
+		results = append(results, *p.Contents[0].Key)
+		return true
+	})
+
+	assert.Equal(t, []string{"Key1", "Key2", "Key3"}, results)
+	assert.Nil(t, err)
+
+	// Try again without truncation token at all
+	count = 0
+	resps[1].IsTruncated = nil
+	resps[2].IsTruncated = aws.Bool(true)
+	results = []string{}
+	err = client.ListObjectsPages(params, func(p *s3.ListObjectsOutput, last bool) bool {
+		results = append(results, *p.Contents[0].Key)
+		return true
+	})
+
+	assert.Equal(t, []string{"Key1", "Key2"}, results)
+	assert.Nil(t, err)
+
+}
+
+// Benchmarks
+var benchResps = []*dynamodb.ListTablesOutput{
+	{TableNames: []*string{aws.String("TABLE"), aws.String("NXT")}, LastEvaluatedTableName: aws.String("NXT")},
+	{TableNames: []*string{aws.String("TABLE"), aws.String("NXT")}, LastEvaluatedTableName: aws.String("NXT")},
+	{TableNames: []*string{aws.String("TABLE"), aws.String("NXT")}, LastEvaluatedTableName: aws.String("NXT")},
+	{TableNames: []*string{aws.String("TABLE"), aws.String("NXT")}, LastEvaluatedTableName: aws.String("NXT")},
+	{TableNames: []*string{aws.String("TABLE"), aws.String("NXT")}, LastEvaluatedTableName: aws.String("NXT")},
+	{TableNames: []*string{aws.String("TABLE"), aws.String("NXT")}, LastEvaluatedTableName: aws.String("NXT")},
+	{TableNames: []*string{aws.String("TABLE"), aws.String("NXT")}, LastEvaluatedTableName: aws.String("NXT")},
+	{TableNames: []*string{aws.String("TABLE"), aws.String("NXT")}, LastEvaluatedTableName: aws.String("NXT")},
+	{TableNames: []*string{aws.String("TABLE"), aws.String("NXT")}, LastEvaluatedTableName: aws.String("NXT")},
+	{TableNames: []*string{aws.String("TABLE"), aws.String("NXT")}, LastEvaluatedTableName: aws.String("NXT")},
+	{TableNames: []*string{aws.String("TABLE"), aws.String("NXT")}, LastEvaluatedTableName: aws.String("NXT")},
+	{TableNames: []*string{aws.String("TABLE"), aws.String("NXT")}, LastEvaluatedTableName: aws.String("NXT")},
+	{TableNames: []*string{aws.String("TABLE"), aws.String("NXT")}, LastEvaluatedTableName: aws.String("NXT")},
+	{TableNames: []*string{aws.String("TABLE")}},
+}
+
+var benchDb = func() *dynamodb.DynamoDB {
+	db := dynamodb.New(nil)
+	db.Handlers.Send.Clear() // mock sending
+	db.Handlers.Unmarshal.Clear()
+	db.Handlers.UnmarshalMeta.Clear()
+	db.Handlers.ValidateResponse.Clear()
+	return db
+}
+
+func BenchmarkCodegenIterator(b *testing.B) {
+	reqNum := 0
+	db := benchDb()
+	db.Handlers.Unmarshal.PushBack(func(r *aws.Request) {
+		r.Data = benchResps[reqNum]
+		reqNum++
+	})
+
+	input := &dynamodb.ListTablesInput{Limit: aws.Int64(2)}
+	iter := func(fn func(*dynamodb.ListTablesOutput, bool) bool) error {
+		page, _ := db.ListTablesRequest(input)
+		for ; page != nil; page = page.NextPage() {
+			page.Send()
+			out := page.Data.(*dynamodb.ListTablesOutput)
+			if result := fn(out, !page.HasNextPage()); page.Error != nil || !result {
+				return page.Error
+			}
+		}
+		return nil
+	}
+
+	for i := 0; i < b.N; i++ {
+		reqNum = 0
+		iter(func(p *dynamodb.ListTablesOutput, last bool) bool {
+			return true
+		})
+	}
+}
+
+func BenchmarkEachPageIterator(b *testing.B) {
+	reqNum := 0
+	db := benchDb()
+	db.Handlers.Unmarshal.PushBack(func(r *aws.Request) {
+		r.Data = benchResps[reqNum]
+		reqNum++
+	})
+
+	input := &dynamodb.ListTablesInput{Limit: aws.Int64(2)}
+	for i := 0; i < b.N; i++ {
+		reqNum = 0
+		req, _ := db.ListTablesRequest(input)
+		req.EachPage(func(p interface{}, last bool) bool {
+			return true
+		})
+	}
+}

Godeps/_workspace/src/github.com/aws/aws-sdk-go/aws/request_test.go

+package aws
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"io"
+	"io/ioutil"
+	"net/http"
+	"testing"
+	"time"
+
+	"github.com/aws/aws-sdk-go/aws/awserr"
+	"github.com/aws/aws-sdk-go/aws/credentials"
+	"github.com/stretchr/testify/assert"
+)
+
+type testData struct {
+	Data string
+}
+
+func body(str string) io.ReadCloser {
+	return ioutil.NopCloser(bytes.NewReader([]byte(str)))
+}
+
+func unmarshal(req *Request) {
+	defer req.HTTPResponse.Body.Close()
+	if req.Data != nil {
+		json.NewDecoder(req.HTTPResponse.Body).Decode(req.Data)
+	}
+	return
+}
+
+func unmarshalError(req *Request) {
+	bodyBytes, err := ioutil.ReadAll(req.HTTPResponse.Body)
+	if err != nil {
+		req.Error = awserr.New("UnmarshaleError", req.HTTPResponse.Status, err)
+		return
+	}
+	if len(bodyBytes) == 0 {
+		req.Error = awserr.NewRequestFailure(
+			awserr.New("UnmarshaleError", req.HTTPResponse.Status, fmt.Errorf("empty body")),
+			req.HTTPResponse.StatusCode,
+			"",
+		)
+		return
+	}
+	var jsonErr jsonErrorResponse
+	if err := json.Unmarshal(bodyBytes, &jsonErr); err != nil {
+		req.Error = awserr.New("UnmarshaleError", "JSON unmarshal", err)
+		return
+	}
+	req.Error = awserr.NewRequestFailure(
+		awserr.New(jsonErr.Code, jsonErr.Message, nil),
+		req.HTTPResponse.StatusCode,
+		"",
+	)
+}
+
+type jsonErrorResponse struct {
+	Code    string `json:"__type"`
+	Message string `json:"message"`
+}
+
+// test that retries occur for 5xx status codes
+func TestRequestRecoverRetry5xx(t *testing.T) {
+	reqNum := 0
+	reqs := []http.Response{
+		{StatusCode: 500, Body: body(`{"__type":"UnknownError","message":"An error occurred."}`)},
+		{StatusCode: 501, Body: body(`{"__type":"UnknownError","message":"An error occurred."}`)},
+		{StatusCode: 200, Body: body(`{"data":"valid"}`)},
+	}
+
+	s := NewService(NewConfig().WithMaxRetries(10))
+	s.Handlers.Validate.Clear()
+	s.Handlers.Unmarshal.PushBack(unmarshal)
+	s.Handlers.UnmarshalError.PushBack(unmarshalError)
+	s.Handlers.Send.Clear() // mock sending
+	s.Handlers.Send.PushBack(func(r *Request) {
+		r.HTTPResponse = &reqs[reqNum]
+		reqNum++
+	})
+	out := &testData{}
+	r := NewRequest(s, &Operation{Name: "Operation"}, nil, out)
+	err := r.Send()
+	assert.Nil(t, err)
+	assert.Equal(t, 2, int(r.RetryCount))
+	assert.Equal(t, "valid", out.Data)
+}
+
+// test that retries occur for 4xx status codes with a response type that can be retried - see `shouldRetry`
+func TestRequestRecoverRetry4xxRetryable(t *testing.T) {
+	reqNum := 0
+	reqs := []http.Response{
+		{StatusCode: 400, Body: body(`{"__type":"Throttling","message":"Rate exceeded."}`)},
+		{StatusCode: 429, Body: body(`{"__type":"ProvisionedThroughputExceededException","message":"Rate exceeded."}`)},
+		{StatusCode: 200, Body: body(`{"data":"valid"}`)},
+	}
+
+	s := NewService(NewConfig().WithMaxRetries(10))
+	s.Handlers.Validate.Clear()
+	s.Handlers.Unmarshal.PushBack(unmarshal)
+	s.Handlers.UnmarshalError.PushBack(unmarshalError)
+	s.Handlers.Send.Clear() // mock sending
+	s.Handlers.Send.PushBack(func(r *Request) {
+		r.HTTPResponse = &reqs[reqNum]
+		reqNum++
+	})
+	out := &testData{}
+	r := NewRequest(s, &Operation{Name: "Operation"}, nil, out)
+	err := r.Send()
+	assert.Nil(t, err)
+	assert.Equal(t, 2, int(r.RetryCount))
+	assert.Equal(t, "valid", out.Data)
+}
+
+// test that retries don't occur for 4xx status codes with a response type that can't be retried
+func TestRequest4xxUnretryable(t *testing.T) {
+	s := NewService(NewConfig().WithMaxRetries(10))
+	s.Handlers.Validate.Clear()
+	s.Handlers.Unmarshal.PushBack(unmarshal)
+	s.Handlers.UnmarshalError.PushBack(unmarshalError)
+	s.Handlers.Send.Clear() // mock sending
+	s.Handlers.Send.PushBack(func(r *Request) {
+		r.HTTPResponse = &http.Response{StatusCode: 401, Body: body(`{"__type":"SignatureDoesNotMatch","message":"Signature does not match."}`)}
+	})
+	out := &testData{}
+	r := NewRequest(s, &Operation{Name: "Operation"}, nil, out)
+	err := r.Send()
+	assert.NotNil(t, err)
+	if e, ok := err.(awserr.RequestFailure); ok {
+		assert.Equal(t, 401, e.StatusCode())
+	} else {
+		assert.Fail(t, "Expected error to be a service failure")
+	}
+	assert.Equal(t, "SignatureDoesNotMatch", err.(awserr.Error).Code())
+	assert.Equal(t, "Signature does not match.", err.(awserr.Error).Message())
+	assert.Equal(t, 0, int(r.RetryCount))
+}
+
+func TestRequestExhaustRetries(t *testing.T) {
+	delays := []time.Duration{}
+	sleepDelay = func(delay time.Duration) {
+		delays = append(delays, delay)
+	}
+
+	reqNum := 0
+	reqs := []http.Response{
+		{StatusCode: 500, Body: body(`{"__type":"UnknownError","message":"An error occurred."}`)},
+		{StatusCode: 500, Body: body(`{"__type":"UnknownError","message":"An error occurred."}`)},
+		{StatusCode: 500, Body: body(`{"__type":"UnknownError","message":"An error occurred."}`)},
+		{StatusCode: 500, Body: body(`{"__type":"UnknownError","message":"An error occurred."}`)},
+	}
+
+	s := NewService(NewConfig().WithMaxRetries(DefaultRetries))
+	s.Handlers.Validate.Clear()
+	s.Handlers.Unmarshal.PushBack(unmarshal)
+	s.Handlers.UnmarshalError.PushBack(unmarshalError)
+	s.Handlers.Send.Clear() // mock sending
+	s.Handlers.Send.PushBack(func(r *Request) {
+		r.HTTPResponse = &reqs[reqNum]
+		reqNum++
+	})
+	r := NewRequest(s, &Operation{Name: "Operation"}, nil, nil)
+	err := r.Send()
+	assert.NotNil(t, err)
+	if e, ok := err.(awserr.RequestFailure); ok {
+		assert.Equal(t, 500, e.StatusCode())
+	} else {
+		assert.Fail(t, "Expected error to be a service failure")
+	}
+	assert.Equal(t, "UnknownError", err.(awserr.Error).Code())
+	assert.Equal(t, "An error occurred.", err.(awserr.Error).Message())
+	assert.Equal(t, 3, int(r.RetryCount))
+
+	expectDelays := []struct{ min, max time.Duration }{{30, 59}, {60, 118}, {120, 236}}
+	for i, v := range delays {
+		min := expectDelays[i].min * time.Millisecond
+		max := expectDelays[i].max * time.Millisecond
+		assert.True(t, min <= v && v <= max,
+			"Expect delay to be within range, i:%d, v:%s, min:%s, max:%s", i, v, min, max)
+	}
+}
+
+// test that the request is retried after the credentials are expired.
+func TestRequestRecoverExpiredCreds(t *testing.T) {
+	reqNum := 0
+	reqs := []http.Response{
+		{StatusCode: 400, Body: body(`{"__type":"ExpiredTokenException","message":"expired token"}`)},
+		{StatusCode: 200, Body: body(`{"data":"valid"}`)},
+	}
+
+	s := NewService(&Config{MaxRetries: Int(10), Credentials: credentials.NewStaticCredentials("AKID", "SECRET", "")})
+	s.Handlers.Validate.Clear()
+	s.Handlers.Unmarshal.PushBack(unmarshal)
+	s.Handlers.UnmarshalError.PushBack(unmarshalError)
+
+	credExpiredBeforeRetry := false
+	credExpiredAfterRetry := false
+
+	s.Handlers.AfterRetry.PushBack(func(r *Request) {
+		credExpiredAfterRetry = r.Config.Credentials.IsExpired()
+	})
+
+	s.Handlers.Sign.Clear()
+	s.Handlers.Sign.PushBack(func(r *Request) {
+		r.Config.Credentials.Get()
+	})
+	s.Handlers.Send.Clear() // mock sending
+	s.Handlers.Send.PushBack(func(r *Request) {
+		r.HTTPResponse = &reqs[reqNum]
+		reqNum++
+	})
+	out := &testData{}
+	r := NewRequest(s, &Operation{Name: "Operation"}, nil, out)
+	err := r.Send()
+	assert.Nil(t, err)
+
+	assert.False(t, credExpiredBeforeRetry, "Expect valid creds before retry check")
+	assert.True(t, credExpiredAfterRetry, "Expect expired creds after retry check")
+	assert.False(t, s.Config.Credentials.IsExpired(), "Expect valid creds after cred expired recovery")
+
+	assert.Equal(t, 1, int(r.RetryCount))
+	assert.Equal(t, "valid", out.Data)
+}

Godeps/_workspace/src/github.com/aws/aws-sdk-go/aws/service.go

+package aws
+
+import (
+	"fmt"
+	"math"
+	"math/rand"
+	"net/http"
+	"net/http/httputil"
+	"regexp"
+	"time"
+
+	"github.com/aws/aws-sdk-go/aws/awserr"
+	"github.com/aws/aws-sdk-go/internal/endpoints"
+)
+
+// A Service implements the base service request and response handling
+// used by all services.
+type Service struct {
+	Config            *Config
+	Handlers          Handlers
+	ServiceName       string
+	APIVersion        string
+	Endpoint          string
+	SigningName       string
+	SigningRegion     string
+	JSONVersion       string
+	TargetPrefix      string
+	RetryRules        func(*Request) time.Duration
+	ShouldRetry       func(*Request) bool
+	DefaultMaxRetries uint
+}
+
+var schemeRE = regexp.MustCompile("^([^:]+)://")
+
+// NewService will return a pointer to a new Server object initialized.
+func NewService(config *Config) *Service {
+	svc := &Service{Config: config}
+	svc.Initialize()
+	return svc
+}
+
+// Initialize initializes the service.
+func (s *Service) Initialize() {
+	if s.Config == nil {
+		s.Config = &Config{}
+	}
+	if s.Config.HTTPClient == nil {
+		s.Config.HTTPClient = http.DefaultClient
+	}
+
+	if s.RetryRules == nil {
+		s.RetryRules = retryRules
+	}
+
+	if s.ShouldRetry == nil {
+		s.ShouldRetry = shouldRetry
+	}
+
+	s.DefaultMaxRetries = 3
+	s.Handlers.Validate.PushBack(ValidateEndpointHandler)
+	s.Handlers.Build.PushBack(UserAgentHandler)
+	s.Handlers.Sign.PushBack(BuildContentLength)
+	s.Handlers.Send.PushBack(SendHandler)
+	s.Handlers.AfterRetry.PushBack(AfterRetryHandler)
+	s.Handlers.ValidateResponse.PushBack(ValidateResponseHandler)
+	s.AddDebugHandlers()
+	s.buildEndpoint()
+
+	if !BoolValue(s.Config.DisableParamValidation) {
+		s.Handlers.Validate.PushBack(ValidateParameters)
+	}
+}
+
+// buildEndpoint builds the endpoint values the service will use to make requests with.
+func (s *Service) buildEndpoint() {
+	if StringValue(s.Config.Endpoint) != "" {
+		s.Endpoint = *s.Config.Endpoint
+	} else {
+		s.Endpoint, s.SigningRegion =
+			endpoints.EndpointForRegion(s.ServiceName, StringValue(s.Config.Region))
+	}
+
+	if s.Endpoint != "" && !schemeRE.MatchString(s.Endpoint) {
+		scheme := "https"
+		if BoolValue(s.Config.DisableSSL) {
+			scheme = "http"
+		}
+		s.Endpoint = scheme + "://" + s.Endpoint
+	}
+}
+
+// AddDebugHandlers injects debug logging handlers into the service to log request
+// debug information.
+func (s *Service) AddDebugHandlers() {
+	if !s.Config.LogLevel.AtLeast(LogDebug) {
+		return
+	}
+
+	s.Handlers.Send.PushFront(logRequest)
+	s.Handlers.Send.PushBack(logResponse)
+}
+
+const logReqMsg = `DEBUG: Request %s/%s Details:
+---[ REQUEST POST-SIGN ]-----------------------------
+%s
+-----------------------------------------------------`
+
+func logRequest(r *Request) {
+	logBody := r.Config.LogLevel.Matches(LogDebugWithHTTPBody)
+	dumpedBody, _ := httputil.DumpRequestOut(r.HTTPRequest, logBody)
+
+	r.Config.Logger.Log(fmt.Sprintf(logReqMsg, r.ServiceName, r.Operation.Name, string(dumpedBody)))
+}
+
+const logRespMsg = `DEBUG: Response %s/%s Details:
+---[ RESPONSE ]--------------------------------------
+%s
+-----------------------------------------------------`
+
+func logResponse(r *Request) {
+	var msg = "no reponse data"
+	if r.HTTPResponse != nil {
+		logBody := r.Config.LogLevel.Matches(LogDebugWithHTTPBody)
+		dumpedBody, _ := httputil.DumpResponse(r.HTTPResponse, logBody)
+		msg = string(dumpedBody)
+	} else if r.Error != nil {
+		msg = r.Error.Error()
+	}
+	r.Config.Logger.Log(fmt.Sprintf(logRespMsg, r.ServiceName, r.Operation.Name, msg))
+}
+
+// MaxRetries returns the number of maximum returns the service will use to make
+// an individual API request.
+func (s *Service) MaxRetries() uint {
+	if IntValue(s.Config.MaxRetries) < 0 {
+		return s.DefaultMaxRetries
+	}
+	return uint(IntValue(s.Config.MaxRetries))
+}
+
+var seededRand = rand.New(rand.NewSource(time.Now().UnixNano()))
+
+// retryRules returns the delay duration before retrying this request again
+func retryRules(r *Request) time.Duration {
+
+	delay := int(math.Pow(2, float64(r.RetryCount))) * (seededRand.Intn(30) + 30)
+	return time.Duration(delay) * time.Millisecond
+}
+
+// retryableCodes is a collection of service response codes which are retry-able
+// without any further action.
+var retryableCodes = map[string]struct{}{
+	"RequestError":                           {},
+	"ProvisionedThroughputExceededException": {},
+	"Throttling":                             {},
+	"ThrottlingException":                    {},
+	"RequestLimitExceeded":                   {},
+	"RequestThrottled":                       {},
+}
+
+// credsExpiredCodes is a collection of error codes which signify the credentials
+// need to be refreshed. Expired tokens require refreshing of credentials, and
+// resigning before the request can be retried.
+var credsExpiredCodes = map[string]struct{}{
+	"ExpiredToken":          {},
+	"ExpiredTokenException": {},
+	"RequestExpired":        {}, // EC2 Only
+}
+
+func isCodeRetryable(code string) bool {
+	if _, ok := retryableCodes[code]; ok {
+		return true
+	}
+
+	return isCodeExpiredCreds(code)
+}
+
+func isCodeExpiredCreds(code string) bool {
+	_, ok := credsExpiredCodes[code]
+	return ok
+}
+
+// shouldRetry returns if the request should be retried.
+func shouldRetry(r *Request) bool {
+	if r.HTTPResponse.StatusCode >= 500 {
+		return true
+	}
+	if r.Error != nil {
+		if err, ok := r.Error.(awserr.Error); ok {
+			return isCodeRetryable(err.Code())
+		}
+	}
+	return false
+}

Godeps/_workspace/src/github.com/aws/aws-sdk-go/aws/types.go

+package aws
+
+import (
+	"io"
+)
+
+// ReadSeekCloser wraps a io.Reader returning a ReaderSeakerCloser
+func ReadSeekCloser(r io.Reader) ReaderSeekerCloser {
+	return ReaderSeekerCloser{r}
+}
+
+// ReaderSeekerCloser represents a reader that can also delegate io.Seeker and
+// io.Closer interfaces to the underlying object if they are available.
+type ReaderSeekerCloser struct {
+	r io.Reader
+}
+
+// Read reads from the reader up to size of p. The number of bytes read, and
+// error if it occurred will be returned.
+//
+// If the reader is not an io.Reader zero bytes read, and nil error will be returned.
+//
+// Performs the same functionality as io.Reader Read
+func (r ReaderSeekerCloser) Read(p []byte) (int, error) {
+	switch t := r.r.(type) {
+	case io.Reader:
+		return t.Read(p)
+	}
+	return 0, nil
+}
+
+// Seek sets the offset for the next Read to offset, interpreted according to
+// whence: 0 means relative to the origin of the file, 1 means relative to the
+// current offset, and 2 means relative to the end. Seek returns the new offset
+// and an error, if any.
+//
+// If the ReaderSeekerCloser is not an io.Seeker nothing will be done.
+func (r ReaderSeekerCloser) Seek(offset int64, whence int) (int64, error) {
+	switch t := r.r.(type) {
+	case io.Seeker:
+		return t.Seek(offset, whence)
+	}
+	return int64(0), nil
+}
+
+// Close closes the ReaderSeekerCloser.
+//
+// If the ReaderSeekerCloser is not an io.Closer nothing will be done.
+func (r ReaderSeekerCloser) Close() error {
+	switch t := r.r.(type) {
+	case io.Closer:
+		return t.Close()
+	}
+	return nil
+}

Godeps/_workspace/src/github.com/aws/aws-sdk-go/aws/version.go

+// Package aws provides core functionality for making requests to AWS services.
+package aws
+
+// SDKName is the name of this AWS SDK
+const SDKName = "aws-sdk-go"
+
+// SDKVersion is the version of this SDK
+const SDKVersion = "0.7.3"

Godeps/_workspace/src/github.com/aws/aws-sdk-go/internal/endpoints/endpoints.go

+// Package endpoints validates regional endpoints for services.
+package endpoints
+
+//go:generate go run ../model/cli/gen-endpoints/main.go endpoints.json endpoints_map.go
+//go:generate gofmt -s -w endpoints_map.go
+
+import "strings"
+
+// EndpointForRegion returns an endpoint and its signing region for a service and region.
+// if the service and region pair are not found endpoint and signingRegion will be empty.
+func EndpointForRegion(svcName, region string) (endpoint, signingRegion string) {
+	derivedKeys := []string{
+		region + "/" + svcName,
+		region + "/*",
+		"*/" + svcName,
+		"*/*",
+	}
+
+	for _, key := range derivedKeys {
+		if val, ok := endpointsMap.Endpoints[key]; ok {
+			ep := val.Endpoint
+			ep = strings.Replace(ep, "{region}", region, -1)
+			ep = strings.Replace(ep, "{service}", svcName, -1)
+
+			endpoint = ep
+			signingRegion = val.SigningRegion
+			return
+		}
+	}
+	return
+}

Godeps/_workspace/src/github.com/aws/aws-sdk-go/internal/endpoints/endpoints.json

+{
+  "version": 2,
+  "endpoints": {
+    "*/*": {
+      "endpoint": "{service}.{region}.amazonaws.com"
+    },
+    "cn-north-1/*": {
+      "endpoint": "{service}.{region}.amazonaws.com.cn",
+      "signatureVersion": "v4"
+    },
+    "us-gov-west-1/iam": {
+      "endpoint": "iam.us-gov.amazonaws.com"
+    },
+    "us-gov-west-1/sts": {
+      "endpoint": "sts.us-gov-west-1.amazonaws.com"
+    },
+    "us-gov-west-1/s3": {
+      "endpoint": "s3-{region}.amazonaws.com"
+    },
+    "*/cloudfront": {
+      "endpoint": "cloudfront.amazonaws.com",
+      "signingRegion": "us-east-1"
+    },
+    "*/cloudsearchdomain": {
+      "endpoint": "",
+      "signingRegion": "us-east-1"
+    },
+    "*/iam": {
+      "endpoint": "iam.amazonaws.com",
+      "signingRegion": "us-east-1"
+    },
+    "*/importexport": {
+      "endpoint": "importexport.amazonaws.com",
+      "signingRegion": "us-east-1"
+    },
+    "*/route53": {
+      "endpoint": "route53.amazonaws.com",
+      "signingRegion": "us-east-1"
+    },
+    "*/sts": {
+      "endpoint": "sts.amazonaws.com",
+      "signingRegion": "us-east-1"
+    },
+    "us-east-1/sdb": {
+      "endpoint": "sdb.amazonaws.com",
+      "signingRegion": "us-east-1"
+    },
+    "us-east-1/s3": {
+      "endpoint": "s3.amazonaws.com"
+    },
+    "us-west-1/s3": {
+      "endpoint": "s3-{region}.amazonaws.com"
+    },
+    "us-west-2/s3": {
+      "endpoint": "s3-{region}.amazonaws.com"
+    },
+    "eu-west-1/s3": {
+      "endpoint": "s3-{region}.amazonaws.com"
+    },
+    "ap-southeast-1/s3": {
+      "endpoint": "s3-{region}.amazonaws.com"
+    },
+    "ap-southeast-2/s3": {
+      "endpoint": "s3-{region}.amazonaws.com"
+    },
+    "ap-northeast-1/s3": {
+      "endpoint": "s3-{region}.amazonaws.com"
+    },
+    "sa-east-1/s3": {
+      "endpoint": "s3-{region}.amazonaws.com"
+    },
+    "eu-central-1/s3": {
+      "endpoint": "{service}.{region}.amazonaws.com",
+      "signatureVersion": "v4"
+    }
+  }
+}

Godeps/_workspace/src/github.com/aws/aws-sdk-go/internal/endpoints/endpoints_map.go

+package endpoints
+
+// THIS FILE IS AUTOMATICALLY GENERATED. DO NOT EDIT.
+
+type endpointStruct struct {
+	Version   int
+	Endpoints map[string]endpointEntry
+}
+
+type endpointEntry struct {
+	Endpoint      string
+	SigningRegion string
+}
+
+var endpointsMap = endpointStruct{
+	Version: 2,
+	Endpoints: map[string]endpointEntry{
+		"*/*": {
+			Endpoint: "{service}.{region}.amazonaws.com",
+		},
+		"*/cloudfront": {
+			Endpoint:      "cloudfront.amazonaws.com",
+			SigningRegion: "us-east-1",
+		},
+		"*/cloudsearchdomain": {
+			Endpoint:      "",
+			SigningRegion: "us-east-1",
+		},
+		"*/iam": {
+			Endpoint:      "iam.amazonaws.com",
+			SigningRegion: "us-east-1",
+		},
+		"*/importexport": {
+			Endpoint:      "importexport.amazonaws.com",
+			SigningRegion: "us-east-1",
+		},
+		"*/route53": {
+			Endpoint:      "route53.amazonaws.com",
+			SigningRegion: "us-east-1",
+		},
+		"*/sts": {
+			Endpoint:      "sts.amazonaws.com",
+			SigningRegion: "us-east-1",
+		},
+		"ap-northeast-1/s3": {
+			Endpoint: "s3-{region}.amazonaws.com",
+		},
+		"ap-southeast-1/s3": {
+			Endpoint: "s3-{region}.amazonaws.com",
+		},
+		"ap-southeast-2/s3": {
+			Endpoint: "s3-{region}.amazonaws.com",
+		},
+		"cn-north-1/*": {
+			Endpoint: "{service}.{region}.amazonaws.com.cn",
+		},
+		"eu-central-1/s3": {
+			Endpoint: "{service}.{region}.amazonaws.com",
+		},
+		"eu-west-1/s3": {
+			Endpoint: "s3-{region}.amazonaws.com",
+		},
+		"sa-east-1/s3": {
+			Endpoint: "s3-{region}.amazonaws.com",
+		},
+		"us-east-1/s3": {
+			Endpoint: "s3.amazonaws.com",
+		},
+		"us-east-1/sdb": {
+			Endpoint:      "sdb.amazonaws.com",
+			SigningRegion: "us-east-1",
+		},
+		"us-gov-west-1/iam": {
+			Endpoint: "iam.us-gov.amazonaws.com",
+		},
+		"us-gov-west-1/s3": {
+			Endpoint: "s3-{region}.amazonaws.com",
+		},
+		"us-gov-west-1/sts": {
+			Endpoint: "sts.us-gov-west-1.amazonaws.com",
+		},
+		"us-west-1/s3": {
+			Endpoint: "s3-{region}.amazonaws.com",
+		},
+		"us-west-2/s3": {
+			Endpoint: "s3-{region}.amazonaws.com",
+		},
+	},
+}