refactor: support camunda generation release name

Signed-off-by: Ahmed AbouZaid <[email protected]>

.github/workflows/release-generation.yaml

@@ -0,0 +1,144 @@
+name: "Release - Generation"
+
+on:
+  release:
+    types: [created]
+    tags:
+      # Example: 8.4+gen1
+      - 8\.\d+\+gen\d+
+  push:
+    branches:
+      - distro-255-aa-fix-release-workflow
+
+env:
+  # Example: 8.4+gen1
+  CAMUNDA_RELEASE_NAME: 8.4+gen7
+
+jobs:
+  release_script:
+    runs-on: ubuntu-latest
+    name: Build release notes
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: "1.20"
+
+      - name: Build
+        working-directory: ./release-notes-fetcher
+        run: go build
+
+      - name: Generate token for Camunda GitHub org
+        id: generate-camunda-github-token
+        uses: tibdex/github-app-token@v1
+        with:
+          app_id: ${{ secrets.APP_ID }}
+          private_key: ${{ secrets.APP_PRIVATE_KEY }}
+
+      - name: Generate token for Camunda Cloud GitHub org
+        id: generate-camunda-cloud-github-token
+        uses: tibdex/github-app-token@v1
+        with:
+          app_id: ${{ secrets.APP_ID }}
+          private_key: ${{ secrets.APP_PRIVATE_KEY }}
+          repository: camunda-cloud/identity
+
+      - name: Set vars
+        run: |
+          CAMUNDA_VERSION="$(echo ${CAMUNDA_RELEASE_NAME} | awk -F '+' '{print $1}')"
+          CONFIG_FILE="release-notes-fetcher/config/release-notes-fetcher-camunda-${CAMUNDA_VERSION}.yaml"
+          export GLOBAL_GITREF="$(yq '.gitRef.global' ${CONFIG_FILE})"
+
+          # Generate env var from git ref for all apps.
+          # This will generate env vars like "ZEEBE_GITREF".
+          yq '.gitRef | omit(["global"]) | keys' "${CONFIG_FILE}" | sed 's/- //g' |
+            while read APP_NAME; do
+              APP_REF="$(APP_NAME=${APP_NAME} yq '.gitRef.[env(APP_NAME)] // env(GLOBAL_GITREF)' ${CONFIG_FILE})"
+              echo "${APP_NAME^^}_GITREF=${APP_REF}" >> "${GITHUB_ENV}"
+            done
+
+      - name: Run release notes script
+        working-directory: ./release-notes-fetcher
+        run: set -o pipefail; ./release-notes-fetcher | tee release_notes.txt
+        env:
+          GITHUB_CAMUNDA_ACCESS_TOKEN: ${{ steps.generate-camunda-github-token.outputs.token }}
+          GITHUB_CAMUNDA_CLOUD_ACCESS_TOKEN: ${{ steps.generate-camunda-cloud-github-token.outputs.token }}
+
+      - name: Login to gh repo
+        working-directory: ./release-notes-fetcher
+        run: echo ${{ steps.generate-camunda-github-token.outputs.token }} | gh auth login --with-token
+
+      - name: Edit release notes with output from script
+        working-directory: ./release-notes-fetcher
+        run: gh release edit --notes-file release_notes.txt -R camunda/camunda-platform ${CAMUNDA_RELEASE_NAME}
+
+      - name: Create temporary directory for asset download/upload
+        working-directory: ./release-notes-fetcher
+        run: mkdir -p tmp
+
+      # Tasklist binaries are uploaded to zeebes repo
+      - name: Download Zeebe resources
+        working-directory: ./release-notes-fetcher/tmp
+        run: |
+          gh release download "${ZEEBE_GITREF}" \
+            -R camunda/zeebe  \
+            -p "zbctl"  \
+            -p "zbctl.sha1sum" \
+            -p "zbctl.exe"  \
+            -p "zbctl.exe.sha1sum" \
+            -p "zbctl.darwin"  \
+            -p "zbctl.darwin.sha1sum" \
+            -p "camunda-zeebe-${ZEEBE_GITREF}.tar.gz" \
+            -p "camunda-zeebe-${ZEEBE_GITREF}.tar.gz.sha1sum" \
+            -p "camunda-zeebe-${ZEEBE_GITREF}.zip" \
+            -p "camunda-zeebe-${ZEEBE_GITREF}.zip.sha1sum" \
+            -p "camunda-tasklist-${ZEEBE_GITREF}.zip" \
+            -p "camunda-tasklist-${ZEEBE_GITREF}.zip.sha1sum" \
+            -p "camunda-tasklist-${ZEEBE_GITREF}.tar.gz" \
+            -p "camunda-tasklist-${ZEEBE_GITREF}.tar.gz.sha1sum"
+
+      - name: Download Operate resources from monorepo
+        if: ${{ startsWith(env.CAMUNDA_RELEASE_NAME, '8.5') }}
+        working-directory: ./release-notes-fetcher/tmp
+        run: |
+          gh release download "operate-${OPERATE_GITREF}" \
+            -R camunda/zeebe \
+            -p "camunda-operate-${OPERATE_GITREF}.zip" \
+            -p "camunda-operate-${OPERATE_GITREF}.zip.sha1sum" \
+            -p "camunda-operate-${OPERATE_GITREF}.tar.gz" \
+            -p "camunda-operate-${OPERATE_GITREF}.tar.gz.sha1sum" \
+
+      - name: Download Operate resources
+        if: ${{ !startsWith(env.CAMUNDA_RELEASE_NAME, '8.5') }}
+        working-directory: ./release-notes-fetcher/tmp
+        run: |
+          gh release download "${OPERATE_GITREF}" \
+            -R camunda/operate \
+            -p "camunda-operate-${OPERATE_GITREF}.zip" \
+            -p "camunda-operate-${OPERATE_GITREF}.zip.sha1sum" \
+            -p "camunda-operate-${OPERATE_GITREF}.tar.gz" \
+            -p "camunda-operate-${OPERATE_GITREF}.tar.gz.sha1sum" \
+
+      - name: Login to Camunda Cloud
+        working-directory: ./release-notes-fetcher
+        run: echo ${{ steps.generate-camunda-cloud-github-token.outputs.token }} | gh auth login --with-token
+
+      - name: Download Identity resources
+        working-directory: ./release-notes-fetcher/tmp
+        run: |
+          gh release download "${IDENTITY_GITREF}" \
+            -R camunda-cloud/identity \
+            -p "camunda-identity-${IDENTITY_GITREF}.tar.gz" \
+            -p "camunda-identity-${IDENTITY_GITREF}.tar.gz.sha1sum" \
+            -p "camunda-identity-${IDENTITY_GITREF}.zip" \
+            -p "camunda-identity-${IDENTITY_GITREF}.zip.sha1sum"
+
+      - name: Login back to Camunda
+        working-directory: ./release-notes-fetcher
+        run: echo ${{ steps.generate-camunda-github-token.outputs.token }} | gh auth login --with-token
+
+      # - name: Upload resources
+      #   working-directory: ./release-notes-fetcher/tmp
+      #   run: gh release -R camunda/camunda-platform upload "${CAMUNDA_RELEASE_NAME}" *

.github/workflows/release.yaml

@@ -4,6 +4,7 @@ on:
 
 jobs:
   release_script:
+    if: ! contains($GITHUB_REF_NAME, "+")
     runs-on: ubuntu-latest
     name: Build release script
     steps:

release-notes-fetcher/config/release-notes-fetcher-camunda-8.4.yaml

@@ -0,0 +1,6 @@
+gitRef:
+  global: 8.4.7
+  operate: 8.4.8
+  identity:
+  tasklist:
+  zeebe:

release-notes-fetcher/fetch.go

@@ -2,14 +2,15 @@ package main
 
 import (
 	"context"
-	"github.com/google/go-github/v54/github"
-	"github.com/rs/zerolog"
-	"github.com/rs/zerolog/log"
-	"golang.org/x/oauth2"
 	"io"
 	"os"
 	"regexp"
 	"text/template"
+
+	"github.com/google/go-github/v54/github"
+	"github.com/rs/zerolog"
+	"github.com/rs/zerolog/log"
+	"golang.org/x/oauth2"
 )
 
 const RepoOwner = "camunda"
@@ -83,13 +84,20 @@ func GetLatestReleaseContents(ctx context.Context,
 	return *githubRelease.Body
 }
 
+func getEnv(key, fallback string) string {
+	if value, ok := os.LookupEnv(key); ok {
+		return value
+	}
+	return fallback
+}
+
 func main() {
 	var temp = template.Must(template.ParseFiles(ReleaseNotesTemplateFileName))
 
 	camundaTokenSource := oauth2.StaticTokenSource(
 		&oauth2.Token{AccessToken: os.Getenv("GITHUB_CAMUNDA_ACCESS_TOKEN")},
 	)
-	githubRef := os.Getenv("GITHUB_REF_NAME")
+	githubRef := getEnv(os.Getenv("CAMUNDA_RELEASE_NAME"), os.Getenv("GITHUB_REF_NAME"))
 	ctx := context.TODO()
 	camundaOAuthClient := oauth2.NewClient(ctx, camundaTokenSource)
 
@@ -100,30 +108,30 @@ func main() {
 
 	camundaRepoService := camundaGithubClient.Repositories
 
-	log.Debug().Msg("Github ref = " + githubRef)
+	log.Debug().Msg("Camunda Github ref = " + githubRef)
 
 	zeebeReleaseNotes := GetLatestReleaseContents(
 		ctx,
 		RepoOwner,
 		ZeebeRepoName,
 		camundaRepoService,
-		githubRef,
+		getEnv("ZEEBE_GITREF", githubRef),
 	)
 
 	operateReleaseNotesContents := GetLatestReleaseContents(
 		ctx,
 		RepoOwner,
 		OperateRepoName,
 		camundaRepoService,
-		githubRef,
+		getEnv("OPERATE_GITREF", githubRef),
 	)
 
 	tasklistReleaseNotesContents := GetChangelogReleaseContents(
 		ctx,
 		TasklistRepoName,
 		"CHANGELOG.md",
 		camundaRepoService,
-		githubRef,
+		getEnv("TASKLIST_GITREF", githubRef),
 	)
 
 	camundaCloudTokenSource := oauth2.StaticTokenSource(
@@ -138,9 +146,13 @@ func main() {
 		CloudRepoOwner,
 		IdentityRepoName,
 		camundaCloudRepoService,
-		githubRef,
+		getEnv("IDENTITY_GITREF", githubRef),
 	)
 
+	// Remove the Zeebe version from the release notes at the beginning of the file to avoid confusion.
+	zeebeRegex := regexp.MustCompile(`^# Release 8\..+$`)
+	zeebeReleaseNotes = zeebeRegex.ReplaceAllString(zeebeReleaseNotes, "")
+
 	platformRelease := CamundaPlatformRelease{
 		ZeebeReleaseNotes:    zeebeReleaseNotes,
 		OperateReleaseNotes:  operateReleaseNotesContents,