Fetch All Open and Recently Closed Pull Requests using cron job #36
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| name: Fetch All Open and Recently Closed Pull Requests using cron job | |
| on: | |
| workflow_dispatch: | |
| schedule: | |
| - cron: '30 15 * * 1-5' # At 15:30 on every day-of-week from Monday through Friday(UTC Time), 9pm in IST and 11:30 AM in EST. | |
| jobs: | |
| fetch_all_pull_requests_and_notify_using_condition_and_cron: | |
| runs-on: ubuntu-latest | |
| env: | |
| REPO: ${{ github.repository }} | |
| BRANCH: main | |
| GH_TOKEN: ${{ secrets.GITHUB_TOKEN }} | |
| API_URL: https://api.github.com/repos/redhat-developer/lsp4ij/pulls | |
| SLACK_WEBHOOK_URL: ${{ secrets.SLACK_WEBHOOK_URL }} | |
| WORKFLOW_BUILDER_WEBHOOK: ${{ secrets.WORKFLOW_BUILDER_WEBHOOK }} | |
| NO_PR_WORKFLOW_BUILDER_WEBHOOK: ${{ secrets.NO_PR_WORKFLOW_BUILDER_WEBHOOK }} | |
| steps: | |
| - name: Checkout repository | |
| uses: actions/checkout@v4 | |
| - name: Fetch recent cache | |
| run: | | |
| gh extension install actions/gh-actions-cache | |
| # Fetching list of cache keys... | |
| # Allowed values are within the limit 1-100 ,If we give 100, only the latest 100 cache keys will be listed. Any older cache keys beyond this limit will not be included in '$cacheKeys' | |
| cacheKeys=$(gh actions-cache list -R $REPO -B $BRANCH -L 100 | cut -f 1 ) | |
| # Extract the most recent cache key | |
| mostRecentCacheKey=$(echo "$cacheKeys" | head -n 1) | |
| if [ -n "$mostRecentCacheKey" ]; then | |
| echo "CACHE_KEY=$mostRecentCacheKey" >> $GITHUB_ENV | |
| else | |
| echo "No recent cache key found, generating a new one......" | |
| echo "CACHE_KEY=${{ runner.os }}-pr-cache-${{ github.run_number }}" >> $GITHUB_ENV | |
| fi | |
| echo "Done" | |
| - name: Restore cache | |
| id: cache-restore | |
| uses: actions/cache@v4 | |
| with: | |
| path: cache | |
| key: ${{ env.CACHE_KEY }} | |
| - name: Ensure cache directory exists and check if cache restored | |
| run: | | |
| mkdir -p cache | |
| if [ -f cache/notified_prs.json ]; then | |
| echo "Cache restored successfully." | |
| cat cache/notified_prs.json | |
| else | |
| echo "Cache not restored or file does not exist.." | |
| fi | |
| - name: Fetch all opened pull request details using condition | |
| id: fetch_all_pull_requests_using_condition | |
| run: | | |
| # The number of results per page is limited to a maximum of 100. We need "pagination", if we require more than this limit, but for open PRs, it will be within the limit 100. | |
| pr_infos=$(curl -s -H "Authorization: token ${{ env.GH_TOKEN }}" \ | |
| "${{ env.API_URL }}?state=open&direction=desc&per_page=100") | |
| echo "List of Currently Opened PRs: " | |
| echo "$pr_infos" | jq '.[] | {number, updated_at, draft}' | |
| # Load previous PR data if exists | |
| if [ -f cache/notified_prs.json ]; then | |
| previous_prs=$(cat cache/notified_prs.json) | |
| else | |
| previous_prs="[]" | |
| fi | |
| pr_list="" | |
| new_notified_prs="[]" | |
| notify=false | |
| for pr_info in $(echo "$pr_infos" | jq -r '.[] | @base64'); do | |
| _jq() { | |
| echo "$pr_info" | base64 --decode | jq -r "${1}" | |
| } | |
| pr_number=$(_jq '.number') | |
| pr_title=$(_jq '.title') | |
| pr_user=$(_jq '.user.login') | |
| pr_url=$(_jq '.html_url') | |
| pr_draft=$(_jq '.draft') | |
| pr_created_at=$(_jq '.created_at') | |
| pr_updated_at=$(_jq '.updated_at') | |
| pr_data=$(jq -n --arg number "$pr_number" --arg updated_at "$pr_updated_at" '{number: $number, updated_at: $updated_at}') | |
| new_notified_prs=$(echo "$new_notified_prs" | jq --argjson pr_data "$pr_data" '. += [$pr_data]') | |
| # Check if the PR is new or updated | |
| previous_pr=$(echo "$previous_prs" | jq --arg number "$pr_number" '.[] | select(.number == $number)') | |
| if [ -z "$previous_pr" ] || [ "$(echo "$previous_pr" | jq -r '.updated_at')" != "$pr_updated_at" ]; then | |
| draft_status="" | |
| # Checking the PR draft status to only send 'Draft: true' in the Slack message and avoid sending 'Draft: false'. | |
| if [ "$pr_draft" = "true" ]; then | |
| draft_status="\n*Draft*: true" | |
| fi | |
| pr_list="${pr_list}\n*Pull Request* #${pr_number}: ${pr_title}\n*Created by*: ${pr_user}\n*URL*: ${pr_url}${draft_status}\n*Created At*: ${pr_created_at}\n*Last Updated At*: ${pr_updated_at}\n" | |
| notify=true | |
| fi | |
| done | |
| echo "List of PRs that need to be sent to Slack now:" | |
| echo "$pr_list" | |
| # Save current PR data for future comparison | |
| echo "$new_notified_prs" > cache/notified_prs.json | |
| if [ "$notify" = true ]; then | |
| echo -e "$pr_list" > pr_list.txt | |
| echo "notify=true" >> $GITHUB_ENV | |
| else | |
| echo "notify=false" >> $GITHUB_ENV | |
| fi | |
| - name: Fetch closed pull requests since the last run | |
| id: fetch_closed_prs | |
| run: | | |
| if [ -f cache/last_run_timestamp.txt ]; then | |
| last_run_timestamp=$(cat cache/last_run_timestamp.txt) | |
| else | |
| last_run_timestamp=$(date -u -d "-24 hours" +%Y-%m-%dT%H:%M:%SZ) | |
| fi | |
| echo "Last run timestamp: $last_run_timestamp" | |
| # We used 'sort=updated' to fetch list of closed PRs with max limit of 100(Default value). In the future, we expect to have more than 100 closed PRs, so it's better to keep 'sort=updated'. | |
| closed_prs=$(curl -s -H "Authorization: token ${{ env.GH_TOKEN }}" \ | |
| "${{ env.API_URL }}?state=closed&sort=updated&direction=desc&per_page=100") | |
| closed_pr_list=$(echo "$closed_prs" | jq -r \ | |
| --arg last_run "$last_run_timestamp" \ | |
| '.[] | select(.closed_at > $last_run) | "*Closed Pull Request* #\(.number): \(.title)\n*Closed by*: \(.user.login)\n*URL*: \(.html_url)\n*Closed At*: \(.closed_at)\n"') | |
| echo "Closed PR List since last cron job:" | |
| echo "$closed_pr_list" | |
| if [ -n "$closed_pr_list" ]; then | |
| echo -e "$closed_pr_list" > closed_pr_list.txt | |
| echo "notify_closed=true" >> $GITHUB_ENV | |
| else | |
| echo "notify_closed=false" >> $GITHUB_ENV | |
| fi | |
| - name: Send Slack notification for PRs | |
| if: success() && (${{ env.notify }} == 'true' || ${{ env.notify_closed }} == 'true') | |
| run: | | |
| # Initialize PR lists | |
| pr_list="" | |
| closed_pr_list="" | |
| # Check if the open PRs file exists and read its content | |
| if [ -f pr_list.txt ]; then | |
| pr_list=$(cat pr_list.txt) | |
| fi | |
| # Check if the closed PRs file exists and read its content | |
| if [ -f closed_pr_list.txt ]; then | |
| closed_pr_list=$(cat closed_pr_list.txt) | |
| fi | |
| # Initialize payload blocks | |
| payload_blocks=() | |
| # Add open PRs section if not empty | |
| if [ -n "$pr_list" ]; then | |
| payload_blocks+=("{ | |
| \"type\": \"header\", | |
| \"text\": { | |
| \"type\": \"plain_text\", | |
| \"text\": \"List of Open/New/Updated Pull Requests using Cron Job\" | |
| } | |
| }") | |
| payload_blocks+=("{ | |
| \"type\": \"section\", | |
| \"text\": { | |
| \"type\": \"mrkdwn\", | |
| \"text\": $(echo "$pr_list" | jq -sR .) | |
| } | |
| }") | |
| fi | |
| # Add closed PRs section if not empty | |
| if [ -n "$closed_pr_list" ]; then | |
| payload_blocks+=("{ | |
| \"type\": \"header\", | |
| \"text\": { | |
| \"type\": \"plain_text\", | |
| \"text\": \"List of Pull Requests Closed Since the Last Cron Job\" | |
| } | |
| }") | |
| payload_blocks+=("{ | |
| \"type\": \"section\", | |
| \"text\": { | |
| \"type\": \"mrkdwn\", | |
| \"text\": $(echo "$closed_pr_list" | jq -sR .) | |
| } | |
| }") | |
| fi | |
| # Construct the payload | |
| payload=$(jq -n --argjson blocks "$(printf '%s\n' "${payload_blocks[@]}" | jq -s '.')" ' | |
| { | |
| "blocks": $blocks | |
| }') | |
| # Send the payload to Slack | |
| curl -X POST -H 'Content-type: application/json' --data "$payload" $SLACK_WEBHOOK_URL || echo "Slack notification failed with status code: $?" | |
| - name: Save current timestamp | |
| run: | | |
| current_timestamp=$(date -u +%Y-%m-%dT%H:%M:%SZ) | |
| echo "$current_timestamp" > cache/last_run_timestamp.txt | |
| echo "Current run timestamp saved: $current_timestamp" | |
| - name: Verify Cache Save | |
| if: always() | |
| run: | | |
| echo "Checking saved cache content...." | |
| ls -l cache/ | |
| cat cache/notified_prs.json | |
| - name: Save cache | |
| if: always() | |
| uses: actions/cache@v4 | |
| with: | |
| path: cache | |
| key: ${{ runner.os }}-pr-cache-${{ github.run_number }} | |
| - name: Cleanup the restored cache key | |
| run: | | |
| # Fetching list of cache keys........ | |
| # Allowed values are within the limit 1-100 | |
| cacheKeys=$(gh actions-cache list -R $REPO -B $BRANCH -L 100 | cut -f 1 ) | |
| echo "Cache keys-->: $cacheKeys" | |
| # Extract the most recent cache key | |
| mostRecentCacheKey=$(echo "$cacheKeys" | head -n 1) | |
| # Setting this to not fail the workflow while deleting cache key | |
| set +e | |
| if [ -n "$mostRecentCacheKey" ] && [[ $mostRecentCacheKey == Linux-pr-cache-* ]]; then | |
| echo "Deleting the most recent cache key..." | |
| gh actions-cache delete $mostRecentCacheKey -R $REPO -B $BRANCH --confirm | |
| else | |
| echo "No cache keys found." | |
| fi | |
| echo "Done" | |
| - name: Slack Notification for Response message | |
| if: success() | |
| run: | | |
| payload=$(jq -n ' | |
| { | |
| "blocks": [ | |
| { | |
| "type": "header", | |
| "text": { | |
| "type": "plain_text", | |
| "text": "Slack Notification to perform Workflow Builder Action" | |
| } | |
| } | |
| ] | |
| }') | |
| if [[ "${{ env.notify }}" == "false" && "${{ env.notify_closed }}" == "false" ]]; then | |
| webhook_url=$NO_PR_WORKFLOW_BUILDER_WEBHOOK | |
| else | |
| webhook_url=$WORKFLOW_BUILDER_WEBHOOK | |
| fi | |
| if [ -n "$webhook_url" ]; then | |
| curl -X POST -H 'Content-type: application/json' --data "$payload" "$webhook_url" || echo "Slack notification failed with status code: $?" | |
| else | |
| echo "Webhook URL not found. Slack notification not sent." | |
| fi | |
| # 'secrets.GITHUB_TOKEN' is automatically provided by GitHub Actions for each workflow run. We don't need to manually create or manage this token. | |
| # Below, the workflow is granting "write" access to the actions scope of the GITHUB_TOKEN. This enables the workflow to be able to delete cache keys. | |
| # If the "write" permission does not enable the ability to delete the cache keys, then the repository owner will need to create a Personal Access Token (PAT) with write permissions, add it as a secret, and then specify the name in GH_TOKEN. | |
| permissions: | |
| actions: write | |