☀ projected k8s-manifests-github from 518b738 #28
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name: 'K8s: Prepare k8s-manifests Deploy PR' | |
on: | |
push: | |
branches: [ releases/k8s-manifests ] | |
env: | |
BRANCH_RELEASE: releases/k8s-manifests | |
BRANCH_DEPLOY: deploys/k8s-manifests | |
jobs: | |
k8s-prepare: | |
runs-on: ubuntu-latest | |
steps: | |
- uses: actions/checkout@v2 | |
with: | |
ref: ${{ env.BRANCH_RELEASE }} | |
- name: Configure .kube/config | |
run: | | |
test -e ~/.kube || mkdir ~/.kube | |
echo "${{ secrets.KUBECONFIG_BASE64 }}" | base64 -d > ~/.kube/config | |
- name: Install kubectl-neat-diff | |
run: | | |
sudo wget https://github.com/sh0rez/kubectl-neat-diff/releases/download/v0.1.0/kubectl-neat-diff-linux-amd64 -O /usr/local/bin/kubectl-neat-diff | |
sudo chmod +x /usr/local/bin/kubectl-neat-diff | |
echo "KUBECTL_EXTERNAL_DIFF=kubectl-neat-diff" >> $GITHUB_ENV | |
- name: Generate diff | |
run: | | |
( | |
find . \ | |
-maxdepth 1 \ | |
-type d \ | |
-not -name '.*' \ | |
-print0 \ | |
| sort -z \ | |
| xargs -r0 -n 1 kubectl diff -Rf || true | |
) > /tmp/kube.diff | |
- name: Create/update pull request | |
env: | |
GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} | |
run: | | |
## build PR description body | |
echo | |
echo "Builing PR title+body content..." | |
diff_size=$(du -k '/tmp/kube.diff' | cut -f1) | |
pr_head_describe="$(git describe --always --tag)" | |
pr_title="Deploy ${BRANCH_RELEASE} ${pr_head_describe}" | |
pr_body="$(cat <<EOF | |
\`kubectl diff\` reports that applying ${pr_head_describe} will change: | |
\`\`\`diff | |
$(if (( diff_size > 50000)); then echo 'diff too big; review locally'; else cat /tmp/kube.diff; fi) | |
\`\`\` | |
EOF | |
)" | |
## generate initial commit for base if needed | |
if ! git ls-remote --exit-code --heads origin "${BRANCH_DEPLOY}"; then | |
echo | |
echo "Existing branch ${BRANCH_DEPLOY} not found, generating initial commit..." | |
git fetch origin --unshallow | |
_first_projected_commit=$(git rev-list --max-parents=0 --first-parent HEAD) | |
git push origin "${_first_projected_commit}:refs/heads/${BRANCH_DEPLOY}" | |
fi | |
## check for existing PR | |
echo | |
echo "Looking for existing open PR for branch ${BRANCH_RELEASE}..." | |
_existing_pr_number=$( | |
gh pr list \ | |
--head "${BRANCH_RELEASE}" \ | |
--base "${BRANCH_DEPLOY}" \ | |
--state open \ | |
--limit 1 \ | |
--json number \ | |
--jq '.[0].number' | |
) | |
if [ -n "${_existing_pr_number}" ]; then | |
echo | |
echo "Found existing PR #${_existing_pr_number}, updating description..." | |
pr_url=$( | |
gh api "/repos/${GITHUB_REPOSITORY}/pulls/${_existing_pr_number}" \ | |
--field title="${pr_title}" \ | |
--field body="${pr_body}" \ | |
--jq '.url' | |
) | |
echo "Updated PR: ${pr_url}" | |
else | |
echo | |
echo "Opening PR..." | |
pr_url=$( | |
gh pr create \ | |
--base "${BRANCH_DEPLOY}" \ | |
--head "${BRANCH_RELEASE}" \ | |
--title "${pr_title}" \ | |
--body "${pr_body}" | |
) | |
pr_number="${pr_url##*/}" | |
echo "Opened PR #${pr_number}" | |
fi | |
# - uses: mxschmitt/action-tmate@v3 | |
# env: | |
# GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} |