ci: prepare 3.0 release workflow

.github/jsonnetfile.lock.json

@@ -8,8 +8,8 @@
           "subdir": "workflows"
         }
       },
-      "version": "d9bfe17ed706fdfbd02445a576eb820dea4811a3",
-      "sum": "RCFmsb2FD3ZQmjSVfAo+5/GNi2mit/T9BZ474iE2u2o="
+      "version": "d3fa90c124d13a4e0359a46c8708704e92ee8a50",
+      "sum": "TQ2X5sm7o+BCrytzSbJ7Th2YqNZ2ZPx9Wg62x5mEVJ0="
     }
   ],
   "legacyImports": false

.github/release-workflows.jsonnet

@@ -46,7 +46,7 @@ local imagePrefix = 'grafana';
   ),
   'minor-release-pr.yml': std.manifestYamlDoc(
     lokiRelease.releasePRWorkflow(
-      branches=['k[0-9]+'],
+      branches=['k[0-9]+', 'main'],
       buildImage=buildImage,
       checkTemplate=checkTemplate,
       golangCiLintVersion=golangCiLintVersion,
@@ -63,7 +63,7 @@ local imagePrefix = 'grafana';
   ),
   'release.yml': std.manifestYamlDoc(
     lokiRelease.releaseWorkflow(
-      branches=['release-[0-9]+.[0-9]+.x', 'k[0-9]+'],
+      branches=['release-[0-9]+.[0-9]+.x', 'k[0-9]+', 'main'],
       getDockerCredsFromVault=true,
       imagePrefix='grafana',
       releaseLibRef=releaseLibRef,

.github/workflows/minor-release-pr.yml

@@ -1,9 +1,11 @@
 concurrency:
   group: "create-release-pr-${{ github.sha }}"
 env:
+  BUILD_ARTIFACTS_BUCKET: "loki-build-artifacts"
   BUILD_TIMEOUT: 40
   CHANGELOG_PATH: "CHANGELOG.md"
   DOCKER_USERNAME: "grafana"
+  DRY_RUN: false
   IMAGE_PREFIX: "grafana"
   RELEASE_LIB_REF: "main"
   RELEASE_REPO: "grafana/loki"
@@ -81,14 +83,15 @@ jobs:
           --group-pull-request-title-pattern "chore\${scope}: release\${component} \${version}" \
           --label "backport main,autorelease: pending,product-approved" \
           --manifest-file .release-please-manifest.json \
-          --pull-request-footer "Merging this PR will release the [artifacts](https://console.cloud.google.com/storage/browser/loki-build-artifacts/${SHA}) of ${SHA}" \
+          --pull-request-footer "Merging this PR will release the [artifacts](https://console.cloud.google.com/storage/browser/${BUILD_ARTIFACTS_BUCKET}/${SHA}) of ${SHA}" \
           --pull-request-title-pattern "chore\${scope}: release\${component} \${version}" \
           --release-type simple \
           --repo-url "${{ env.RELEASE_REPO }}" \
           --separate-pull-requests false \
           --target-branch "${{ steps.extract_branch.outputs.branch }}" \
           --token "${{ steps.github_app_token.outputs.token }}" \
-          --versioning-strategy "${{ env.VERSIONING_STRATEGY }}"
+          --versioning-strategy "${{ env.VERSIONING_STRATEGY }}" \
+          --dry-run ${{ fromJSON(env.DRY_RUN) }}
 
       working-directory: "lib"
   dist:
@@ -146,7 +149,7 @@ jobs:
       name: "upload artifacts"
       uses: "google-github-actions/upload-cloud-storage@v2"
       with:
-        destination: "loki-build-artifacts/${{ github.sha }}"
+        destination: "${{ env.BUILD_ARTIFACTS_BUCKET }}/${{ github.sha }}"
         path: "release/dist"
         process_gcloudignore: false
   fluent-bit:
@@ -203,7 +206,7 @@ jobs:
       name: "upload artifacts"
       uses: "google-github-actions/upload-cloud-storage@v2"
       with:
-        destination: "loki-build-artifacts/${{ github.sha }}/images"
+        destination: "${{ env.BUILD_ARTIFACTS_BUCKET }}/${{ github.sha }}/images"
         path: "release/images/fluent-bit-plugin-loki-${{ needs.version.outputs.version}}-${{ steps.platform.outputs.platform }}.tar"
         process_gcloudignore: false
     strategy:
@@ -265,7 +268,7 @@ jobs:
       name: "upload artifacts"
       uses: "google-github-actions/upload-cloud-storage@v2"
       with:
-        destination: "loki-build-artifacts/${{ github.sha }}/images"
+        destination: "${{ env.BUILD_ARTIFACTS_BUCKET }}/${{ github.sha }}/images"
         path: "release/images/fluent-plugin-loki-${{ needs.version.outputs.version}}-${{ steps.platform.outputs.platform }}.tar"
         process_gcloudignore: false
     strategy:
@@ -327,7 +330,7 @@ jobs:
       name: "upload artifacts"
       uses: "google-github-actions/upload-cloud-storage@v2"
       with:
-        destination: "loki-build-artifacts/${{ github.sha }}/images"
+        destination: "${{ env.BUILD_ARTIFACTS_BUCKET }}/${{ github.sha }}/images"
         path: "release/images/logcli-${{ needs.version.outputs.version}}-${{ steps.platform.outputs.platform }}.tar"
         process_gcloudignore: false
     strategy:
@@ -391,7 +394,7 @@ jobs:
       name: "upload artifacts"
       uses: "google-github-actions/upload-cloud-storage@v2"
       with:
-        destination: "loki-build-artifacts/${{ github.sha }}/images"
+        destination: "${{ env.BUILD_ARTIFACTS_BUCKET }}/${{ github.sha }}/images"
         path: "release/images/logstash-output-loki-${{ needs.version.outputs.version}}-${{ steps.platform.outputs.platform }}.tar"
         process_gcloudignore: false
     strategy:
@@ -453,7 +456,7 @@ jobs:
       name: "upload artifacts"
       uses: "google-github-actions/upload-cloud-storage@v2"
       with:
-        destination: "loki-build-artifacts/${{ github.sha }}/images"
+        destination: "${{ env.BUILD_ARTIFACTS_BUCKET }}/${{ github.sha }}/images"
         path: "release/images/loki-${{ needs.version.outputs.version}}-${{ steps.platform.outputs.platform }}.tar"
         process_gcloudignore: false
     strategy:
@@ -517,7 +520,7 @@ jobs:
       name: "upload artifacts"
       uses: "google-github-actions/upload-cloud-storage@v2"
       with:
-        destination: "loki-build-artifacts/${{ github.sha }}/images"
+        destination: "${{ env.BUILD_ARTIFACTS_BUCKET }}/${{ github.sha }}/images"
         path: "release/images/loki-canary-${{ needs.version.outputs.version}}-${{ steps.platform.outputs.platform }}.tar"
         process_gcloudignore: false
     strategy:
@@ -581,7 +584,7 @@ jobs:
       name: "upload artifacts"
       uses: "google-github-actions/upload-cloud-storage@v2"
       with:
-        destination: "loki-build-artifacts/${{ github.sha }}/images"
+        destination: "${{ env.BUILD_ARTIFACTS_BUCKET }}/${{ github.sha }}/images"
         path: "release/images/loki-canary-boringcrypto-${{ needs.version.outputs.version}}-${{ steps.platform.outputs.platform }}.tar"
         process_gcloudignore: false
     strategy:
@@ -645,7 +648,7 @@ jobs:
       name: "upload artifacts"
       uses: "google-github-actions/upload-cloud-storage@v2"
       with:
-        destination: "loki-build-artifacts/${{ github.sha }}/images"
+        destination: "${{ env.BUILD_ARTIFACTS_BUCKET }}/${{ github.sha }}/images"
         path: "release/images/promtail-${{ needs.version.outputs.version}}-${{ steps.platform.outputs.platform }}.tar"
         process_gcloudignore: false
     strategy:
@@ -709,7 +712,7 @@ jobs:
       name: "upload artifacts"
       uses: "google-github-actions/upload-cloud-storage@v2"
       with:
-        destination: "loki-build-artifacts/${{ github.sha }}/images"
+        destination: "${{ env.BUILD_ARTIFACTS_BUCKET }}/${{ github.sha }}/images"
         path: "release/images/loki-query-tee-${{ needs.version.outputs.version}}-${{ steps.platform.outputs.platform }}.tar"
         process_gcloudignore: false
     strategy:
@@ -801,6 +804,7 @@ name: "create release PR"
   push:
     branches:
     - "k[0-9]+"
+    - "main"
 permissions:
   contents: "write"
   id-token: "write"