Fetch All Open and Recently Closed Pull Requests using cron job #19
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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: ${{ secrets.NO_PR_WORKFLOW_BUILDER_WEBHOOK }} | |
steps: | |
- name: Checkout repository | |
uses: actions/checkout@v2 | |
- name: Fetch recent cache | |
run: | | |
gh extension install actions/gh-actions-cache | |
# Fetching list of cache keys... | |
# Allowed values are within the limit 1-100 ,If we give 100, only the latest 100 cache keys will be listed. Any older cache keys beyond this limit will not be included in '$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@v2 | |
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@v2 | |
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 | |