♻️ Update shared DevOps tooling #54
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| --- | |
| name: "♻️ Update shared DevOps tooling" | |
| # yamllint disable-line rule:truthy | |
| on: | |
| workflow_dispatch: | |
| schedule: | |
| - cron: "0 8 * * MON" | |
| jobs: | |
| update-actions: | |
| name: "Update DevOps tooling" | |
| runs-on: ubuntu-latest | |
| permissions: | |
| # IMPORTANT: mandatory to create or update content/actions/pr | |
| contents: write | |
| actions: write | |
| pull-requests: write | |
| steps: | |
| - name: "Checkout primary repository" | |
| uses: actions/checkout@v4 | |
| - name: "Pull devops content from repository" | |
| uses: actions/checkout@v4 | |
| with: | |
| repository: "os-climate/devops-toolkit" | |
| path: ".devops" | |
| - name: "Update repository workflows and create PR" | |
| id: update-repository | |
| env: | |
| GH_TOKEN: ${{ github.token }} | |
| # yamllint disable rule:line-length | |
| run: | | |
| #SHELLCODESTART | |
| set -euo pipefail | |
| # set -x | |
| # Define variables | |
| DEVOPS_DIR=".devops" | |
| AUTOMATION_BRANCH="update-devops-tooling" | |
| REPO_DIR=$(git rev-parse --show-toplevel) | |
| GIT_ORIGIN=$(git config --get remote.origin.url) | |
| REPO_NAME=$(basename -s .git "$GIT_ORIGIN") | |
| EXCLUDE_FILE=".devops-exclusions" | |
| DEVOPS_REPO='git@github.com:os-climate/devops-toolkit.git' | |
| HEAD_BRANCH=$(git rev-parse --abbrev-ref HEAD) | |
| # Content folder defines the files and folders to update | |
| FILES="$DEVOPS_DIR/content/files.txt" | |
| FOLDERS="$DEVOPS_DIR/content/folders.txt" | |
| # Define functions | |
| perform_folder_operation() { | |
| FS_PATH="$1" | |
| if [ -d "$DEVOPS_DIR"/"$FS_PATH" ]; then | |
| echo "Scanning target folder content at: $FS_PATH" | |
| return 0 | |
| else | |
| echo "Upstream folder NOT found: $FS_PATH [skipping]" | |
| return 1 | |
| fi | |
| } | |
| # Allows for selective opt-out components on a per-path basis | |
| perform_operation() { | |
| FS_PATH="$1" | |
| if [ ! -f "$DEVOPS_DIR"/"$FS_PATH" ]; then | |
| echo "Skipping missing upstream file at: $FS_PATH" | |
| return 1 | |
| fi | |
| # Elements excluded from processing return exit status 1 | |
| if [ ! -f "$EXCLUDE_FILE" ]; then | |
| return 0 | |
| elif [ "$FS_PATH" = "$EXCLUDE_FILE" ]; then | |
| # The exclusion file itself is never updated by automation | |
| return 1 | |
| elif (grep -Fxq "$FS_PATH" "$EXCLUDE_FILE" > /dev/null); then | |
| # Element listed; exclude from processing | |
| return 1 | |
| else | |
| # Element not found in exclusion file; process it | |
| return 0 | |
| fi | |
| } | |
| # Only updates file if it has changed | |
| selective_file_copy() { | |
| # Receives a single file path as argument | |
| # SHA_SRC=$(sha1sum "$DEVOPS_DIR/$1" | awk '{print $1}') | |
| # SHA_DST=$(sha1sum "$1" 2>/dev/null | awk '{print $1}' || :) | |
| # if [ "$SHA_SRC" != "$SHA_DST" ]; then | |
| if ! (cmp "$DEVOPS_DIR/$1" "$1"); then | |
| echo "Copying: $1" | |
| cp "$DEVOPS_DIR/$1" "$1" | |
| git add "$1" | |
| fi | |
| } | |
| check_pr_for_author() { | |
| AUTHOR="$1" | |
| printf "Checking for pull requests by: %s" "$AUTHOR" | |
| # Capture the existing PR number | |
| PR_NUM=$(gh pr list --state open -L 1 \ | |
| --author "$AUTHOR" --json number | \ | |
| grep "number" | sed "s/:/ /g" | awk '{print $2}' | \ | |
| sed "s/}//g" | sed "s/]//g") | |
| if [ -z "$PR_NUM" ]; then | |
| echo " [none]" | |
| return 1 | |
| else | |
| echo " [$PR_NUM]" | |
| echo "Running: gh pr checkout $PR_NUM" | |
| if (gh pr checkout "$PR_NUM"); then | |
| return 0 | |
| else | |
| echo "Failed to checkout GitHub pull request" | |
| echo "Check errors/output for the cause" | |
| return 2 | |
| fi | |
| fi | |
| } | |
| check_prs() { | |
| # Define users to check for pre-existing pull requests | |
| AUTOMATION_USER="github-actions[bot]" | |
| if [[ -n ${GH_TOKEN+x} ]]; then | |
| GITHUB_USERS="$AUTOMATION_USER" | |
| else | |
| GITHUB_USERS=$(gh api user | jq -r '.login') | |
| # Check local user account first, if enumerated | |
| GITHUB_USERS+=" $AUTOMATION_USER" | |
| fi | |
| # Check for existing pull requests opened by this automation | |
| for USER in $GITHUB_USERS; do | |
| if (check_pr_for_author "$USER"); then | |
| return 0 | |
| else | |
| STATUS="$?" | |
| fi | |
| if [ "$STATUS" -eq 1 ]; then | |
| continue | |
| elif [ "$STATUS" -eq 2 ]; then | |
| echo "Failed to checkout pull request"; exit 1 | |
| fi | |
| done | |
| return 1 | |
| } | |
| # Check if script is running in GHA workflow | |
| in_github() { | |
| if [ -z ${GITHUB_RUN_ID+x} ]; then | |
| echo "Script is NOT running in GitHub" | |
| return 1 | |
| else | |
| echo "Script is running in GitHub" | |
| return 0 | |
| fi | |
| } | |
| # Check if user is logged into GitHub | |
| logged_in_github() { | |
| if (gh auth status); then | |
| echo "Logged in and authenticated to GitHb" | |
| return 0 | |
| else | |
| echo "Not logged into GitHub, some script operations unavailable" | |
| return 1 | |
| fi | |
| } | |
| # Main script entry point | |
| echo "Repository name and HEAD branch: $REPO_NAME [$HEAD_BRANCH]" | |
| # Ensure working from top-level of GIT repository | |
| CURRENT_DIR=$(pwd) | |
| if [ "$REPO_DIR" != "$CURRENT_DIR" ]; then | |
| echo "Changing directory to: $REPO_DIR" | |
| if ! (cd "$REPO_DIR"); then | |
| echo "Error: unable to change directory"; exit 1 | |
| fi | |
| fi | |
| # Stashing only used during development/testing | |
| # Check if there are unstaged changes | |
| # if ! (git diff --exit-code --quiet); then | |
| # echo "Stashing unstaged changes in current repository" | |
| # git stash -q | |
| # fi | |
| # Configure GIT environment only if NOT already configured | |
| # i.e. when running in a GitHub Actions workflow | |
| TEST=$(git config -l > /dev/null 2>&1) | |
| if [ -n "$TEST" ]; then | |
| git config user.name "github-actions[bot]" | |
| git config user.email \ | |
| "41898282+github-actions[bot]@users.noreply.github.com" | |
| fi | |
| if ! (check_prs); then | |
| # No existing open pull requests found for this repository | |
| # Remove remote branch if it exists | |
| git push origin --delete "$AUTOMATION_BRANCH" > /dev/null 2>&1 || : | |
| git branch -D "$AUTOMATION_BRANCH" || : | |
| git checkout -b "$AUTOMATION_BRANCH" | |
| else | |
| # The -B flag swaps branch and creates it if NOT present | |
| git checkout -B "$AUTOMATION_BRANCH" | |
| fi | |
| # Only if NOT running in GitHub | |
| # (checkout is otherwise performed by earlier steps) | |
| if ! (in_github); then | |
| # Remove any stale local copy of the upstream repository | |
| if [ -d "$DEVOPS_DIR" ]; then | |
| rm -Rf "$DEVOPS_DIR" | |
| fi | |
| printf "Cloning DevOps repository into: %s" "$DEVOPS_DIR" | |
| if (git clone "$DEVOPS_REPO" "$DEVOPS_DIR" > /dev/null 2>&1); then | |
| echo " [success]" | |
| else | |
| echo " [failed]"; exit 1 | |
| fi | |
| fi | |
| # Process upstream DevOps repository content and update | |
| LOCATIONS="" | |
| # Populate list of files to be updated/sourced | |
| while read -ra LINE; | |
| do | |
| for FILE in "${LINE[@]}"; | |
| do | |
| LOCATIONS+="$FILE " | |
| done | |
| done < "$FILES" | |
| # Gather files from specified folders and append to locations list | |
| while read -ra LINE; | |
| do | |
| for FOLDER in "${LINE[@]}"; | |
| do | |
| # Check to see if this folder should be skipped | |
| if (perform_folder_operation "$FOLDER"); then | |
| # If necessary, create target folder | |
| if [ ! -d "$FOLDER" ]; then | |
| echo "Creating target folder: $FOLDER" | |
| mkdir "$FOLDER" | |
| fi | |
| # Add folder contents to list of file LOCATIONS | |
| FILES=$(cd "$DEVOPS_DIR/$FOLDER"; find . -maxdepth 1 -type f -exec basename {} \;) | |
| for LOCATION in $FILES; do | |
| # Also check if individual files in the folder are excluded | |
| if (perform_operation "$FOLDER/$LOCATION"); then | |
| LOCATIONS+=" $FOLDER/$LOCATION" | |
| fi | |
| done | |
| else | |
| echo "Opted out of folder: $FOLDER" | |
| continue | |
| fi | |
| done; | |
| done < "$FOLDERS" | |
| # Copy specified files into repository root | |
| for LOCATION in ${LOCATIONS}; do | |
| if (perform_operation "$LOCATION"); then | |
| selective_file_copy "$LOCATION" | |
| else | |
| echo "Not updating: $LOCATION" | |
| fi | |
| done | |
| # If no changes required, do not throw an error | |
| if [ -z "$(git status --porcelain)" ]; then | |
| echo "No updates/changes to commit"; exit 0 | |
| fi | |
| # Temporarily disable exit on unbound variable | |
| set +eu +o pipefail | |
| # Next step is only performed if running as GitHub Action | |
| if [[ -n ${GH_TOKEN+x} ]]; then | |
| # Script is running in a GitHub actions workflow | |
| # Set outputs for use by the next actions/steps | |
| # shellcheck disable=SC2129 | |
| echo "changed=true" >> "$GITHUB_OUTPUT" | |
| echo "branchname=$AUTOMATION_BRANCH" >> "$GITHUB_OUTPUT" | |
| echo "headbranch=$HEAD_BRANCH" >> "$GITHUB_OUTPUT" | |
| # Move to the next workflow step to raise the PR | |
| git push --set-upstream origin "$AUTOMATION_BRANCH" | |
| exit 0 | |
| fi | |
| # If running shell code locally, continue to raise the PR | |
| # Reinstate exit on unbound variables | |
| set -euo pipefail | |
| git status | |
| if ! (git commit -as -S -m "Chore: Update DevOps tooling from central repository [skip ci]" \ | |
| -m "This commit created by automation/scripting" --no-verify); then | |
| echo "Commit failed; aborting"; exit 1 | |
| else | |
| # Push branch to remote repository | |
| git push --set-upstream origin "$AUTOMATION_BRANCH" | |
| # Create PR request | |
| gh pr create \ | |
| --title "Chore: Pull DevOps tooling from upstream repository" \ | |
| --body 'Automated by a GitHub workflow: bootstrap.yaml' | |
| fi | |
| # echo "Unstashing unstaged changes, if any exist" | |
| # git stash pop -q || : | |
| #SHELLCODEEND | |
| - name: Create Pull Request | |
| if: steps.update-repository.outputs.changed == 'true' | |
| uses: peter-evans/create-pull-request@v6 | |
| # env: | |
| # GITHUB_TOKEN: ${{ github.token }} | |
| with: | |
| # Note: Requires a specific/defined Personal Access Token | |
| token: ${{ secrets.ACTIONS_WORKFLOW }} | |
| commit-message: "Chore: Update DevOps tooling from central repository [skip ci]" | |
| signoff: "true" | |
| base: ${{ steps.update-repository.outputs.headbranch }} | |
| branch: ${{ steps.update-repository.outputs.branchname }} | |
| delete-branch: true | |
| title: "Chore: Update DevOps tooling from central repository [skip ci]" | |
| body: | | |
| Update repository with content from upstream: os-climate/devops-toolkit | |
| labels: | | |
| automated pr | |
| draft: false |