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DEVOPS-8593: feat: auto-approve and auto-merge Dependabot PRs #158

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rharasani-sa wants to merge 1 commit into from
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DEVOPS-8593: feat: auto-approve and auto-merge Dependabot PRs #158

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67 changes: 25 additions & 42 deletions .github/workflows/dependabot-auto-approve.yml
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Original file line number Diff line number Diff line change
@@ -1,50 +1,33 @@
name: Dependabot auto-approve

name: Dependabot auto-approve and merge
on: pull_request

permissions:
contents: write
pull-requests: write

jobs:
auto-approve:
dependabot:
runs-on: ubuntu-latest
if: >-
github.event.pull_request.user.login == 'dependabot[bot]' &&
github.actor == 'dependabot[bot]'
permissions:
pull-requests: write
checks: read
statuses: read
actions: read
contents: read
if: ${{ github.actor == 'dependabot[bot]' }}
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rharasani-sa marked this conversation as resolved.
steps:
- name: Verify all commits are from the bot
run: |
authors=$(gh api "repos/${REPO}/pulls/${PR_NUMBER}/commits" --paginate --jq '.[].author.login' | sort -u)
if [ "$authors" != "$BOT_LOGIN" ]; then
echo "::error::Refusing to auto-approve: PR contains commits not authored by ${BOT_LOGIN} (authors: ${authors})"
exit 1
fi
env:
REPO: ${{ github.repository }}
PR_NUMBER: ${{ github.event.pull_request.number }}
BOT_LOGIN: dependabot[bot]
GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
- name: Wait for required checks to pass
timeout-minutes: 30
run: |
set +e
output=$(gh pr checks "$PR_URL" --required --watch --fail-fast 2>&1)
code=$?
set -e
echo "$output"
if [ $code -ne 0 ] && echo "$output" | grep -qi "no required checks"; then
echo "No required checks configured on the base branch; skipping wait."
exit 0
fi
exit $code
- name: Dependabot metadata
id: metadata
uses: dependabot/fetch-metadata@21025c705c08248db411dc16f3619e6b5f9ea21a # v2
with:
github-token: "${{ secrets.GITHUB_TOKEN }}"
- name: Approve a PR - dependabot
run: gh pr review --approve "$PR_URL"
env:
PR_URL: ${{ github.event.pull_request.html_url }}
GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
- name: Approve the PR
PR_URL: ${{github.event.pull_request.html_url}}
GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}
- name: Second approval - golang deps only

@towczarek-sa towczarek-sa Aug 7, 2026

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🤖 master requires code-owner review, and CODEOWNERS grants that only to the three named maintainers. Neither github-actions[bot] nor the DevOps service account qualifies, so auto-merge stays blocked on "review required from code owners" and never completes. Add the service account to CODEOWNERS, or turn off require-code-owner-reviews on master.

if: steps.metadata.outputs.package-ecosystem == 'go_modules'
run: gh pr review --approve "$PR_URL"
env:
PR_URL: ${{ github.event.pull_request.html_url }}
GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
PR_URL: ${{github.event.pull_request.html_url}}
GITHUB_TOKEN: ${{ secrets.GH_SERVICE_ACCOUNT_DEVOPS_2_PAT1 }}
- name: Enable auto-merge
run: gh pr merge --auto --squash "$PR_URL"

@towczarek-sa towczarek-sa Aug 7, 2026

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🤖 master has no required status checks configured, so auto-merge fires as soon as the approvals land and a failing build or lint will not block it. The removed gh pr checks --watch step was the only CI gate. Mark the build and lint jobs as required checks on master before enabling this.

env:
PR_URL: ${{github.event.pull_request.html_url}}
GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}