ci: introducing cncf/prow-github-actions (#3536)

Signed-off-by: Jan Larwig <jan@larwig.com>

.github/workflows/prow-label-sync.yml

@@ -0,0 +1,20 @@
+name: Sync Prow Labels
+
+on:
+  workflow_dispatch:
+  push:
+    branches: [master]
+    paths: [.github/prow.yaml]
+
+permissions:
+  contents: read
+  issues: write
+
+jobs:
+  sync:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: oauth2-proxy/prow-github-actions@c5ba2c6994ab70e129b5d028ba885f02ba44db65 # main
+      with:
+        jobs: label-sync
+        github-token: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/prow.yml

@@ -0,0 +1,50 @@
+name: Prow
+
+on:
+  issue_comment:
+    types: [created]
+  issues:
+    types: [opened, reopened, labeled, unlabeled]
+  pull_request_target:
+    types: [opened, reopened, synchronize, ready_for_review, labeled, unlabeled]
+
+permissions:
+  contents: read
+  issues: write
+  pull-requests: write
+
+jobs:
+  public-commands:
+    if: github.event_name == 'issue_comment'
+    runs-on: ubuntu-latest
+    steps:
+    - uses: oauth2-proxy/prow-github-actions@c5ba2c6994ab70e129b5d028ba885f02ba44db65 # main
+      with:
+        prow-commands: /assign /unassign /area /kind /provider /help
+        github-token: ${{ secrets.GITHUB_TOKEN }}
+
+  review-commands:
+    if: github.event_name == 'issue_comment' && github.event.issue.pull_request != null
+    runs-on: ubuntu-latest
+    steps:
+    - uses: oauth2-proxy/prow-github-actions@c5ba2c6994ab70e129b5d028ba885f02ba44db65 # main
+      with:
+        prow-commands: /lgtm
+        github-token: ${{ secrets.GITHUB_TOKEN }}
+
+  issue-label-requirements:
+    if: github.event_name == 'issues'
+    runs-on: ubuntu-latest
+    steps:
+    - uses: oauth2-proxy/prow-github-actions@c5ba2c6994ab70e129b5d028ba885f02ba44db65 # main
+      with:
+        github-token: ${{ secrets.GITHUB_TOKEN }}
+
+  pull-request-labels:
+    if: github.event_name == 'pull_request_target'
+    runs-on: ubuntu-latest
+    steps:
+    - uses: oauth2-proxy/prow-github-actions@c5ba2c6994ab70e129b5d028ba885f02ba44db65 # main
+      with:
+        jobs: lgtm
+        github-token: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/stale.yml

@@ -15,6 +15,8 @@ jobs:
         repo-token: ${{ secrets.GITHUB_TOKEN }}
         days-before-stale: 180
         days-before-close: 14
+        stale-issue-label: lifecycle/stale
+        stale-pr-label: lifecycle/stale
         stale-issue-message: 'This issue has been inactive for 180 days. If the issue is still relevant please comment to re-activate the issue. If no action is taken within 14 days, the issue will be marked closed.'
         stale-pr-message: 'This pull request has been inactive for 180 days. If the pull request is still relevant please comment to re-activate the pull request. If no action is taken within 14 days, the pull request will be marked closed.'
         exempt-issue-labels: bug,high-priority