[v9.3.x] Build: Add CloudMode to build versions (#65988)

Build: Add CloudMode to build versions (#65651)

* Add CloudMode to build versions

* Use linux-amd64 variant without musl for cloud mode

* Add cloud mode to version folder on package upload

* Use musl variant for CloudMode

* Only sign rpm packages if there's any to sign

* Remove trailing whitespace

(cherry picked from commit 8f282b8a6e)

Co-authored-by: Guilherme Caulada <guilherme.caulada@grafana.com>

pkg/build/cmd/uploadpackages.go

@@ -144,7 +144,7 @@ func getVersionFolder(cfg uploadConfig, event string) (string, error) {
 		return releaseFolder, nil
 	case config.MainMode, config.DownstreamMode:
 		return mainFolder, nil
-	case config.ReleaseBranchMode:
+	case config.ReleaseBranchMode, config.CloudMode:
 		return releaseBranchFolder, nil
 	default:
 		// Corner case for custom enterprise2 mode

pkg/build/config/version.go

@@ -123,6 +123,7 @@ func CheckDroneTargetBranch() (VersionMode, error) {
 func CheckSemverSuffix() (ReleaseMode, error) {
 	reBetaRls := regexp.MustCompile(`beta.*`)
 	reTestRls := regexp.MustCompile(`test.*`)
+	reCloudRls := regexp.MustCompile(`cloud.*`)
 	tagSuffix, ok := os.LookupEnv("DRONE_SEMVER_PRERELEASE")
 	if !ok || tagSuffix == "" {
 		fmt.Println("DRONE_SEMVER_PRERELEASE doesn't exist for a tag, this is a release event...")
@@ -133,6 +134,8 @@ func CheckSemverSuffix() (ReleaseMode, error) {
 		return ReleaseMode{Mode: TagMode, IsBeta: true}, nil
 	case reTestRls.MatchString(tagSuffix):
 		return ReleaseMode{Mode: TagMode, IsTest: true}, nil
+	case reCloudRls.MatchString(tagSuffix):
+		return ReleaseMode{Mode: CloudMode}, nil
 	default:
 		fmt.Printf("DRONE_SEMVER_PRERELEASE is custom string, release event with %s suffix\n", tagSuffix)
 		return ReleaseMode{Mode: TagMode}, nil

pkg/build/config/version_mode.go

@@ -11,6 +11,7 @@ const (
 	DownstreamMode    VersionMode = "downstream"
 	Enterprise2Mode   VersionMode = "enterprise2"
 	CronjobMode       VersionMode = "cron"
+	CloudMode         VersionMode = "cloud"
 )
 
 const (

pkg/build/config/versions.go

@@ -204,4 +204,31 @@ var Versions = VersionMap{
 			StorybookSrcDir:      "artifacts/storybook",
 		},
 	},
+	CloudMode: {
+		Variants: []Variant{
+			VariantLinuxAmd64Musl,
+		},
+		PluginSignature: PluginSignature{
+			Sign:      true,
+			AdminSign: true,
+		},
+		Docker: Docker{
+			ShouldSave: true,
+			Architectures: []Architecture{
+				ArchAMD64,
+			},
+			Distribution: []Distribution{
+				Alpine,
+			},
+			PrereleaseBucket: "grafana-prerelease/artifacts/docker",
+		},
+		Buckets: Buckets{
+			Artifacts:            "grafana-prerelease/artifacts/downloads",
+			ArtifactsEnterprise2: "grafana-prerelease/artifacts/downloads-enterprise2",
+			CDNAssets:            "grafana-prerelease",
+			CDNAssetsDir:         "artifacts/static-assets",
+			Storybook:            "grafana-prerelease",
+			StorybookSrcDir:      "artifacts/storybook",
+		},
+	},
 }

pkg/build/packaging/grafana.go

@@ -184,6 +184,7 @@ func signRPMPackages(edition config.Edition, cfg config.Config, grafanaDir strin
 		return err
 	}
 
+	if len(rpms) > 0 {
 		rpmArgs := append([]string{"--addsign"}, rpms...)
 		log.Printf("Invoking rpm with args: %+v", rpmArgs)
 		//nolint:gosec
@@ -210,6 +211,7 @@ func signRPMPackages(edition config.Edition, cfg config.Config, grafanaDir strin
 				return fmt.Errorf("RPM package %q not verified: %s", p, output)
 			}
 		}
+	}
 
 	return nil
 }