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Deploy Review App - PR #725 #2

Deploy Review App - PR #725

Deploy Review App - PR #725 #2

name: Deploy Review App to Control Plane
run-name: "Deploy Review App - PR #${{ github.event.pull_request.number || github.event.issue.number || github.event.inputs.pr_number }}"
on:
pull_request:
types: [synchronize, reopened]
issue_comment:
types: [created]
workflow_dispatch:
inputs:
pr_number:
description: Pull request number to deploy
required: true
type: number
permissions:
contents: read
deployments: write
issues: write
pull-requests: write
concurrency:
group: cpflow-review-app-${{ github.event.pull_request.number || github.event.issue.number || github.event.inputs.pr_number }}
cancel-in-progress: true
env:
APP_NAME: ${{ vars.REVIEW_APP_PREFIX }}-${{ github.event.pull_request.number || github.event.issue.number || github.event.inputs.pr_number }}
CPLN_ORG: ${{ vars.CPLN_ORG_STAGING }}
CPLN_TOKEN: ${{ secrets.CPLN_TOKEN_STAGING }}
PR_NUMBER: ${{ github.event.pull_request.number || github.event.issue.number || github.event.inputs.pr_number }}
PRIMARY_WORKLOAD: ${{ vars.PRIMARY_WORKLOAD }}
jobs:
deploy:
if: |
github.event_name == 'pull_request' ||
github.event_name == 'workflow_dispatch' ||
(github.event_name == 'issue_comment' &&
github.event.issue.pull_request &&
github.event.comment.body == '/deploy-review-app' &&
contains(fromJson('["OWNER","MEMBER","COLLABORATOR"]'), github.event.comment.author_association))
runs-on: ubuntu-latest
steps:
- name: Initial checkout
uses: actions/checkout@v4
- name: Validate required secrets and variables
id: config
shell: bash
run: |
set -euo pipefail
missing=()
[[ -n "${{ secrets.CPLN_TOKEN_STAGING }}" ]] || missing+=("secret:CPLN_TOKEN_STAGING")
[[ -n "${{ vars.CPLN_ORG_STAGING }}" ]] || missing+=("variable:CPLN_ORG_STAGING")
[[ -n "${{ vars.REVIEW_APP_PREFIX }}" ]] || missing+=("variable:REVIEW_APP_PREFIX")
if [[ ${#missing[@]} -gt 0 ]]; then
if [[ "${{ github.event_name }}" == "pull_request" ]]; then
echo "ready=false" >> "$GITHUB_OUTPUT"
{
echo "Control Plane review app automation is not configured yet."
echo
echo "Missing required GitHub configuration:"
printf -- '- `%s`\n' "${missing[@]}"
echo
echo "Pushes to this pull request will skip review app deploys until the repository is configured."
} >> "$GITHUB_STEP_SUMMARY"
exit 0
fi
printf 'Missing required GitHub configuration:\n- %s\n' "${missing[@]}" >&2
exit 1
fi
echo "ready=true" >> "$GITHUB_OUTPUT"
- name: Resolve PR ref and commit
if: steps.config.outputs.ready == 'true'
id: resolve-pr
env:
GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
shell: bash
run: |
set -euo pipefail
case "${{ github.event_name }}" in
workflow_dispatch)
pr_number="${{ github.event.inputs.pr_number }}"
;;
issue_comment)
pr_number="${{ github.event.issue.number }}"
;;
pull_request)
pr_number="${{ github.event.pull_request.number }}"
;;
*)
echo "Unsupported event type: ${{ github.event_name }}" >&2
exit 1
;;
esac
pr_data="$(gh pr view "$pr_number" --json headRefOid,headRepository,headRepositoryOwner)"
pr_sha="$(echo "$pr_data" | jq -r '.headRefOid')"
pr_repository="$(echo "$pr_data" | jq -r '[.headRepositoryOwner.login, .headRepository.name] | join("/")')"
same_repo="false"
if [[ "$pr_repository" == "$GITHUB_REPOSITORY" ]]; then
same_repo="true"
fi
echo "PR_NUMBER=$pr_number" >> "$GITHUB_ENV"
echo "APP_NAME=${{ vars.REVIEW_APP_PREFIX }}-$pr_number" >> "$GITHUB_ENV"
echo "PR_SHA=$pr_sha" >> "$GITHUB_ENV"
echo "same_repo=${same_repo}" >> "$GITHUB_OUTPUT"
- name: Validate review app deployment source
if: steps.config.outputs.ready == 'true'
id: source
shell: bash
run: |
set -euo pipefail
if [[ "${{ steps.resolve-pr.outputs.same_repo }}" == "true" ]]; then
echo "allowed=true" >> "$GITHUB_OUTPUT"
exit 0
fi
if [[ "${{ github.event_name }}" == "pull_request" ]]; then
echo "allowed=false" >> "$GITHUB_OUTPUT"
{
echo "Review app deploys are skipped for fork pull requests."
echo "This workflow builds Docker images with repository secrets, so review app deploys only run for branches in the base repository."
} >> "$GITHUB_STEP_SUMMARY"
exit 0
fi
echo "Review app deploys from fork pull requests are not allowed because this workflow uses repository secrets." >&2
exit 1
- name: Checkout PR commit
if: steps.config.outputs.ready == 'true' && steps.source.outputs.allowed == 'true'
uses: actions/checkout@v4
with:
ref: ${{ env.PR_SHA }}
- name: Setup environment
if: steps.config.outputs.ready == 'true' && steps.source.outputs.allowed == 'true'
uses: ./.github/actions/cpflow-setup-environment
with:
token: ${{ secrets.CPLN_TOKEN_STAGING }}
org: ${{ vars.CPLN_ORG_STAGING }}
- name: Detect release phase support
if: steps.config.outputs.ready == 'true' && steps.source.outputs.allowed == 'true'
id: release-phase
shell: bash
run: |
set -euo pipefail
if cpflow config -a "${APP_NAME}" | grep -q "release_script:"; then
echo "flag=--run-release-phase" >> "$GITHUB_OUTPUT"
else
echo "flag=" >> "$GITHUB_OUTPUT"
fi
- name: Check if review app exists
if: steps.config.outputs.ready == 'true' && steps.source.outputs.allowed == 'true'
id: check-app
shell: bash
run: |
set -euo pipefail
if cpflow exists -a "${APP_NAME}" --org "${CPLN_ORG}"; then
echo "exists=true" >> "$GITHUB_OUTPUT"
else
echo "exists=false" >> "$GITHUB_OUTPUT"
fi
- name: Skip auto deploy until a review app is created
if: steps.config.outputs.ready == 'true' && steps.source.outputs.allowed == 'true' && steps.check-app.outputs.exists != 'true' && github.event_name == 'pull_request'
shell: bash
run: |
{
echo "Review app ${APP_NAME} does not exist yet."
echo "Create it with a PR comment that is exactly /deploy-review-app."
} >> "$GITHUB_STEP_SUMMARY"
- name: Setup review app if it does not exist yet
id: setup-review-app
if: steps.config.outputs.ready == 'true' && steps.source.outputs.allowed == 'true' && steps.check-app.outputs.exists != 'true' && github.event_name != 'pull_request'
shell: bash
run: |
set -euo pipefail
cpflow setup-app -a "${APP_NAME}" --org "${CPLN_ORG}"
- name: Create initial PR comment
if: steps.config.outputs.ready == 'true' && steps.source.outputs.allowed == 'true' && (steps.check-app.outputs.exists == 'true' || steps.setup-review-app.outcome == 'success')
id: create-comment
uses: actions/github-script@v7
with:
script: |
const result = await github.rest.issues.createComment({
owner: context.repo.owner,
repo: context.repo.repo,
issue_number: Number(process.env.PR_NUMBER),
body: "🚀 Starting Control Plane review app deployment..."
});
core.setOutput("comment-id", result.data.id);
- name: Set deployment links
if: steps.config.outputs.ready == 'true' && steps.source.outputs.allowed == 'true' && (steps.check-app.outputs.exists == 'true' || steps.setup-review-app.outcome == 'success')
uses: actions/github-script@v7
with:
script: |
const workflowUrl = `${process.env.GITHUB_SERVER_URL}/${context.repo.owner}/${context.repo.repo}/actions/runs/${context.runId}`;
core.exportVariable("WORKFLOW_URL", workflowUrl);
core.exportVariable(
"CONSOLE_URL",
`https://console.cpln.io/console/org/${process.env.CPLN_ORG}/gvc/${process.env.APP_NAME}/-info`
);
- name: Initialize GitHub deployment
if: steps.config.outputs.ready == 'true' && steps.source.outputs.allowed == 'true' && (steps.check-app.outputs.exists == 'true' || steps.setup-review-app.outcome == 'success')
id: init-deployment
uses: actions/github-script@v7
with:
script: |
const deployment = await github.rest.repos.createDeployment({
owner: context.repo.owner,
repo: context.repo.repo,
ref: process.env.PR_SHA,
environment: `review/${process.env.APP_NAME}`,
auto_merge: false,
required_contexts: [],
description: `Control Plane review app for PR #${process.env.PR_NUMBER}`
});
await github.rest.repos.createDeploymentStatus({
owner: context.repo.owner,
repo: context.repo.repo,
deployment_id: deployment.data.id,
state: "in_progress",
description: "Deployment started"
});
return deployment.data.id;
- name: Update PR comment with build status
if: steps.config.outputs.ready == 'true' && steps.source.outputs.allowed == 'true' && (steps.check-app.outputs.exists == 'true' || steps.setup-review-app.outcome == 'success')
uses: actions/github-script@v7
with:
script: |
const commentId = Number("${{ steps.create-comment.outputs.comment-id }}");
if (!Number.isFinite(commentId) || commentId <= 0) {
core.warning("Skipping PR comment update because no comment id was created.");
return;
}
const body = [
`🏗️ Building Docker image for PR #${process.env.PR_NUMBER}, commit ${process.env.PR_SHA}`,
"",
`[View build logs](${process.env.WORKFLOW_URL})`,
"",
`[Open Control Plane console](${process.env.CONSOLE_URL})`
].join("\n");
await github.rest.issues.updateComment({
owner: context.repo.owner,
repo: context.repo.repo,
comment_id: commentId,
body
});
- name: Build Docker image
if: steps.config.outputs.ready == 'true' && steps.source.outputs.allowed == 'true' && (steps.check-app.outputs.exists == 'true' || steps.setup-review-app.outcome == 'success')
uses: ./.github/actions/cpflow-build-docker-image
with:
app_name: ${{ env.APP_NAME }}
org: ${{ vars.CPLN_ORG_STAGING }}
commit: ${{ env.PR_SHA }}
pr_number: ${{ env.PR_NUMBER }}
docker_build_extra_args: ${{ vars.DOCKER_BUILD_EXTRA_ARGS }}
docker_build_ssh_key: ${{ secrets.DOCKER_BUILD_SSH_KEY }}
docker_build_ssh_known_hosts: ${{ vars.DOCKER_BUILD_SSH_KNOWN_HOSTS }}
- name: Update PR comment with deploy status
if: steps.config.outputs.ready == 'true' && steps.source.outputs.allowed == 'true' && (steps.check-app.outputs.exists == 'true' || steps.setup-review-app.outcome == 'success')
uses: actions/github-script@v7
with:
script: |
const commentId = Number("${{ steps.create-comment.outputs.comment-id }}");
if (!Number.isFinite(commentId) || commentId <= 0) {
core.warning("Skipping PR comment update because no comment id was created.");
return;
}
const body = [
"🚀 Deploying review app to Control Plane...",
"",
`[View deploy logs](${process.env.WORKFLOW_URL})`,
"",
`[Open Control Plane console](${process.env.CONSOLE_URL})`
].join("\n");
await github.rest.issues.updateComment({
owner: context.repo.owner,
repo: context.repo.repo,
comment_id: commentId,
body
});
- name: Deploy to Control Plane
if: steps.config.outputs.ready == 'true' && steps.source.outputs.allowed == 'true' && (steps.check-app.outputs.exists == 'true' || steps.setup-review-app.outcome == 'success')
shell: bash
run: |
set -euo pipefail
cpflow deploy-image -a "${APP_NAME}" ${{ steps.release-phase.outputs.flag }} --org "${CPLN_ORG}" --verbose
- name: Retrieve app URL
if: steps.config.outputs.ready == 'true' && steps.source.outputs.allowed == 'true' && (steps.check-app.outputs.exists == 'true' || steps.setup-review-app.outcome == 'success')
id: workload
shell: bash
run: |
set -euo pipefail
workload_name="${PRIMARY_WORKLOAD:-rails}"
workload_url="$(cpln workload get "${workload_name}" --gvc "${APP_NAME}" --org "${CPLN_ORG}" -o json | jq -r '.status.endpoint // empty')"
echo "workload_url=${workload_url}" >> "$GITHUB_OUTPUT"
- name: Finalize deployment status
if: always() && steps.config.outputs.ready == 'true' && steps.source.outputs.allowed == 'true' && (steps.check-app.outputs.exists == 'true' || steps.setup-review-app.outcome == 'success')
uses: actions/github-script@v7
with:
script: |
const commentId = Number("${{ steps.create-comment.outputs.comment-id }}");
const deploymentId = "${{ steps.init-deployment.outputs.result }}";
const appUrl = "${{ steps.workload.outputs.workload_url }}";
const success = "${{ job.status }}" === "success";
if (deploymentId) {
await github.rest.repos.createDeploymentStatus({
owner: context.repo.owner,
repo: context.repo.repo,
deployment_id: Number(deploymentId),
state: success ? "success" : "failure",
environment: `review/${process.env.APP_NAME}`,
environment_url: success && appUrl ? appUrl : undefined,
log_url: process.env.WORKFLOW_URL,
description: success ? "Review app ready" : "Review app deployment failed"
});
}
const successBody = [
"## Review app ready",
"",
appUrl ? `[Open review app](${appUrl})` : "Review app deployed, but no endpoint URL was detected.",
"",
`[Open Control Plane console](${process.env.CONSOLE_URL})`,
`[View workflow logs](${process.env.WORKFLOW_URL})`
].join("\n");
const failureBody = [
`❌ Review app deployment failed for PR #${process.env.PR_NUMBER}`,
"",
`[Open Control Plane console](${process.env.CONSOLE_URL})`,
`[View workflow logs](${process.env.WORKFLOW_URL})`
].join("\n");
if (!Number.isFinite(commentId) || commentId <= 0) {
core.warning("Skipping PR comment update because no comment id was created.");
return;
}
await github.rest.issues.updateComment({
owner: context.repo.owner,
repo: context.repo.repo,
comment_id: commentId,
body: success ? successBody : failureBody
});