gofmt fixes

pkg/components/imguploader/gcpuploader.go

 package imguploader
 
 import (
-  "github.com/grafana/grafana/pkg/log"
-  "github.com/grafana/grafana/pkg/util"
-  "google.golang.org/api/option"
-  "cloud.google.com/go/storage"
-  "golang.org/x/net/context"
-  "io/ioutil"
-  "fmt"
+	"cloud.google.com/go/storage"
+	"fmt"
+	"github.com/grafana/grafana/pkg/log"
+	"github.com/grafana/grafana/pkg/util"
+	"golang.org/x/net/context"
+	"google.golang.org/api/option"
+	"io/ioutil"
 )
 
 type GCPUploader struct {
-  keyFile string
-  bucket  string
-  log     log.Logger
+	keyFile string
+	bucket  string
+	log     log.Logger
 }
 
 func NewGCPUploader(keyFile, bucket string) *GCPUploader {
-  return &GCPUploader{
-    keyFile: keyFile,
-    bucket:  bucket,
-    log:     log.New("gcpuploader"),
-  }
+	return &GCPUploader{
+		keyFile: keyFile,
+		bucket:  bucket,
+		log:     log.New("gcpuploader"),
+	}
 }
 
 func (u *GCPUploader) Upload(imageDiskPath string) (string, error) {
-  ctx := context.Background()
+	ctx := context.Background()
 
-  client, err := storage.NewClient(ctx, option.WithServiceAccountFile(u.keyFile))
-  if err != nil {
-    return "", err
-  }
+	client, err := storage.NewClient(ctx, option.WithServiceAccountFile(u.keyFile))
+	if err != nil {
+		return "", err
+	}
 
-  key := util.GetRandomString(20) + ".png"
-  log.Debug("Uploading image to GCP bucket = %s key = %s", u.bucket, key)
+	key := util.GetRandomString(20) + ".png"
+	log.Debug("Uploading image to GCP bucket = %s key = %s", u.bucket, key)
 
-  file, err := ioutil.ReadFile(imageDiskPath)
-  if err != nil {
-    return "", err
-  }
+	file, err := ioutil.ReadFile(imageDiskPath)
+	if err != nil {
+		return "", err
+	}
 
-  wc := client.Bucket(u.bucket).Object(key).NewWriter(ctx)
-  wc.ContentType = "image/png"
-  wc.ACL = []storage.ACLRule{{Entity: storage.AllUsers, Role: storage.RoleReader}}
+	wc := client.Bucket(u.bucket).Object(key).NewWriter(ctx)
+	wc.ContentType = "image/png"
+	wc.ACL = []storage.ACLRule{{Entity: storage.AllUsers, Role: storage.RoleReader}}
 
-  if _, err := wc.Write(file); err != nil {
-    return "", err
-  }
+	if _, err := wc.Write(file); err != nil {
+		return "", err
+	}
 
-  if err := wc.Close(); err != nil {
-    return "", err
-  }
+	if err := wc.Close(); err != nil {
+		return "", err
+	}
 
-  return fmt.Sprintf("https://storage.googleapis.com/%s/%s", u.bucket, key), nil
+	return fmt.Sprintf("https://storage.googleapis.com/%s/%s", u.bucket, key), nil
 }

pkg/components/imguploader/imguploader.go

@@ -52,16 +52,16 @@ func NewImageUploader() (ImageUploader, error) {
 		password := webdavSec.Key("password").String()
 
 		return NewWebdavImageUploader(url, username, password, public_url)
-  case "gcp":
-    gcpsec, err := setting.Cfg.GetSection("external_image_storage.gcp")
-    if err != nil {
-      return nil, err
-    }
+	case "gcp":
+		gcpsec, err := setting.Cfg.GetSection("external_image_storage.gcp")
+		if err != nil {
+			return nil, err
+		}
 
-    keyFile := gcpsec.Key("key_file").MustString("")
-    bucketName := gcpsec.Key("bucket").MustString("")
+		keyFile := gcpsec.Key("key_file").MustString("")
+		bucketName := gcpsec.Key("bucket").MustString("")
 
-    return NewGCPUploader(keyFile, bucketName), nil
+		return NewGCPUploader(keyFile, bucketName), nil
 	}
 
 	return NopImageUploader{}, nil

pkg/components/imguploader/imguploader_test.go

@@ -97,7 +97,7 @@ func TestImageUploaderFactory(t *testing.T) {
 			So(original.password, ShouldEqual, "password")
 		})
 
-    Convey("GCP uploader", func() {
+		Convey("GCP uploader", func() {
 			var err error
 
 			setting.NewConfigContext(&setting.CommandLineArgs{