release_publisher: Fix Debian/RPM naming (#25276)

Signed-off-by: Arve Knudsen <arve.knudsen@gmail.com>

scripts/build/release_publisher/externalrelease.go

@@ -28,11 +28,12 @@ func (re releaseFromExternalContent) prepareRelease(baseArchiveURL, whatsNewURL
 
 	builds := []build{}
 	for _, ba := range re.artifactConfigurations {
-		sha256, err := re.getter.getContents(fmt.Sprintf("%s.sha256", ba.getURL(baseArchiveURL, version, rt)))
+		url := ba.getURL(baseArchiveURL, version, rt)
+		sha256, err := re.getter.getContents(fmt.Sprintf("%s.sha256", url))
 		if err != nil {
 			return nil, err
 		}
-		builds = append(builds, newBuild(baseArchiveURL, ba, version, rt, sha256))
+		builds = append(builds, newBuild(url, ba, sha256))
 	}
 
 	r := release{

scripts/build/release_publisher/main.go

@@ -44,7 +44,6 @@ func main() {
 	if enterprise {
 		product = "grafana-enterprise"
 		baseURL = createBaseURL(archiveProviderRoot, "enterprise", product, nightly)
-
 	} else {
 		product = "grafana"
 		baseURL = createBaseURL(archiveProviderRoot, "oss", product, nightly)

scripts/build/release_publisher/publisher.go

@@ -93,17 +93,32 @@ type buildArtifact struct {
 
 func (t buildArtifact) getURL(baseArchiveURL, version string, releaseType releaseType) string {
 	prefix := "-"
-	rhelReleaseExtra := ""
+	rev := ""
 
 	if t.os == "deb" {
 		prefix = "_"
 	}
 
-	if releaseType.stable() && t.os == "rhel" {
-		rhelReleaseExtra = "-1"
+	if t.os == "rhel" {
+		rev = "-1"
 	}
 
-	url := strings.Join([]string{baseArchiveURL, t.packagePostfix, prefix, version, rhelReleaseExtra, t.urlPostfix}, "")
+	verComponents := strings.Split(version, "-")
+	if len(verComponents) > 2 {
+		panic(fmt.Sprintf("Version string contains more than one hyphen: %q", version))
+	}
+
+	switch t.os {
+	case "deb", "rhel":
+		if len(verComponents) > 1 {
+			// With Debian and RPM packages, it's customary to prefix any pre-release component with a ~, since this
+			// is considered of lower lexical value than the empty character, and this way pre-release versions are
+			// considered to be of a lower version than the final version (which lacks this suffix).
+			version = fmt.Sprintf("%s~%s", verComponents[0], verComponents[1])
+		}
+	}
+
+	url := fmt.Sprintf("%s%s%s%s%s%s", baseArchiveURL, t.packagePostfix, prefix, version, rev, t.urlPostfix)
 	return url
 }
 
@@ -217,10 +232,10 @@ func filterBuildArtifacts(filterFrom []buildArtifact, ft filterType, filters []a
 	return artifacts, nil
 }
 
-func newBuild(baseArchiveURL string, ba buildArtifact, version string, rt releaseType, sha256 string) build {
+func newBuild(url string, ba buildArtifact, sha256 string) build {
 	return build{
 		Os:     ba.os,
-		URL:    ba.getURL(baseArchiveURL, version, rt),
+		URL:    url,
 		Sha256: sha256,
 		Arch:   ba.arch,
 	}

scripts/build/release_publisher/publisher_test.go

@@ -3,6 +3,9 @@ package main
 import (
 	"reflect"
 	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
 )
 
 func TestPreparingReleaseFromRemote(t *testing.T) {
@@ -59,7 +62,7 @@ func TestPreparingReleaseFromRemote(t *testing.T) {
 			expectedStable:  false,
 			expectedArch:    "amd64",
 			expectedOs:      "rhel",
-			expectedURL:     "https://s3-us-west-2.amazonaws.com/grafana-releases/release/grafana-5.4.0-pre1asdf.x86_64.rpm",
+			expectedURL:     "https://s3-us-west-2.amazonaws.com/grafana-releases/release/grafana-5.4.0~pre1asdf-1.x86_64.rpm",
 			baseArchiveURL:  "https://s3-us-west-2.amazonaws.com/grafana-releases/release/grafana",
 			buildArtifacts:  []buildArtifact{{"rhel", "amd64", ".x86_64.rpm", ""}},
 		},
@@ -72,10 +75,12 @@ func TestPreparingReleaseFromRemote(t *testing.T) {
 			expectedBeta:    false,
 			expectedStable:  false,
 			expectedArch:    "armv6",
-			expectedOs:      "linux",
-			expectedURL:     "https://s3-us-west-2.amazonaws.com/grafana-releases/release/grafana-rpi-5.4.0-pre1asdf_armhf.deb",
+			expectedOs:      "deb",
+			expectedURL:     "https://s3-us-west-2.amazonaws.com/grafana-releases/release/grafana-rpi_5.4.0~pre1asdf_armhf.deb",
 			baseArchiveURL:  "https://s3-us-west-2.amazonaws.com/grafana-releases/release/grafana",
-			buildArtifacts:  []buildArtifact{{"linux", "armv6", "_armhf.deb", "-rpi"}},
+			buildArtifacts: []buildArtifact{
+				{os: "deb", arch: "armv6", urlPostfix: "_armhf.deb", packagePostfix: "-rpi"},
+			},
 		},
 		{
 			version:         "v5.4.0-pre1asdf",
@@ -114,33 +119,20 @@ func TestPreparingReleaseFromRemote(t *testing.T) {
 			artifactConfigurations: test.buildArtifacts,
 		}
 
-		rel, _ := builder.prepareRelease(test.baseArchiveURL, test.whatsNewURL, test.relNotesURL, test.nightly)
-
-		if rel.Beta != test.expectedBeta || rel.Stable != test.expectedStable {
-			t.Errorf("%s should have been tagged as beta=%v, stable=%v.", test.version, test.expectedBeta, test.expectedStable)
-		}
+		t.Log("Preparing release", "baseArchiveURL", test.baseArchiveURL, "nightly", test.nightly)
+		rel, err := builder.prepareRelease(test.baseArchiveURL, test.whatsNewURL, test.relNotesURL, test.nightly)
+		require.NoError(t, err)
 
-		if rel.Version != test.expectedVersion {
-			t.Errorf("Expected version to be %s, but it was %s.", test.expectedVersion, rel.Version)
-		}
+		assert.Equal(t, test.expectedBeta, rel.Beta)
+		assert.Equal(t, test.expectedStable, rel.Stable)
+		assert.Equal(t, test.expectedVersion, rel.Version)
 
-		expectedBuilds := len(test.buildArtifacts)
-		if len(rel.Builds) != expectedBuilds {
-			t.Errorf("Expected %v builds, but got %v.", expectedBuilds, len(rel.Builds))
-		}
+		assert.Len(t, rel.Builds, len(test.buildArtifacts))
 
 		build := rel.Builds[0]
-		if build.Arch != test.expectedArch {
-			t.Errorf("Expected arch to be %v, but it was %v", test.expectedArch, build.Arch)
-		}
-
-		if build.Os != test.expectedOs {
-			t.Errorf("Expected os to be %v, but it was %v", test.expectedOs, build.Os)
-		}
-
-		if build.URL != test.expectedURL {
-			t.Errorf("Expected url to be %v, but it was %v", test.expectedURL, build.URL)
-		}
+		assert.Equal(t, test.expectedArch, build.Arch)
+		assert.Equal(t, test.expectedOs, build.Os)
+		assert.Equal(t, test.expectedURL, build.URL)
 	}
 }