Update TLSA records in integration tests #16
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| name: Update TLSA records in integration tests | |
| # Our integration tests run against "_25._tcp.mail.ietf.org" which periodically changes its TLSA records. | |
| # This action uses 'dig' to make a PR whenever the TLSA record is updated. | |
| on: | |
| schedule: | |
| - cron: "0 12 * * *" # Runs daily at 12:00 UTC | |
| workflow_dispatch: # Allows manual runs | |
| jobs: | |
| update-tlsa: | |
| runs-on: ubuntu-latest | |
| steps: | |
| - name: Checkout repository | |
| uses: actions/checkout@v4 | |
| - name: Install required tools | |
| run: sudo apt-get update && sudo apt-get install -y dnsutils jq | |
| - name: Query TLSA record | |
| id: fetch_tlsa | |
| run: | | |
| URL="_25._tcp.mail.ietf.org" | |
| DIG_OUTPUT=$(dig -t TLSA "$URL" +short) | |
| if [ -z "$DIG_OUTPUT" ]; then | |
| echo "TLSA record not found." | |
| exit 1 | |
| fi | |
| # Start JSON array | |
| echo "[" > tlsa.json | |
| FIRST=true | |
| # Parse dig output | |
| echo "$DIG_OUTPUT" | while read -r line; do | |
| CERT_USAGE=$(echo "$line" | awk '{print $1}') | |
| SELECTOR=$(echo "$line" | awk '{print $2}') | |
| MATCHING_TYPE=$(echo "$line" | awk '{print $3}') | |
| CERT=$(echo "$line" | awk '{print $4 $5}' | tr '[:upper:]' '[:lower:]') | |
| # Add a comma before each entry except the first | |
| if [ "$FIRST" = true ]; then | |
| FIRST=false | |
| else | |
| echo "," >> tlsa.json | |
| fi | |
| # Write JSON entry | |
| echo "{" \ | |
| "\"type\": \"TLSA\"," \ | |
| "\"class\": \"IN\"," \ | |
| "\"name\": \"$URL\"," \ | |
| "\"cert_usage\": $CERT_USAGE," \ | |
| "\"selector\": $SELECTOR," \ | |
| "\"matching_type\": $MATCHING_TYPE," \ | |
| "\"certificate\": \"$CERT\"" \ | |
| "}" >> tlsa.json | |
| done | |
| echo "]" >> tlsa.json | |
| echo "Parsed TLSA records:" | |
| cat tlsa.json | jq . | |
| - name: Update test file | |
| id: update_test | |
| run: | | |
| TEST_FILE="testing/integration_tests.py" | |
| # Pretty-format the JSON content | |
| TLSA_ANSWERS=$(cat tlsa.json | jq .) | |
| # Use `gawk` to preserve indentation in the Python file | |
| gawk -v new_content="$TLSA_ANSWERS" ' | |
| BEGIN { RS = ""; ORS = "\n\n" } | |
| /TLSA_ANSWERS = \[/ { | |
| # Extract leading whitespace for indentation preservation | |
| match($0, /^[[:space:]]*/) | |
| indent = substr($0, RSTART, RLENGTH) | |
| # Break JSON content into lines and add proper indentation | |
| split(new_content, lines, "\n") | |
| formatted_content = indent "TLSA_ANSWERS = [" | |
| for (i = 2; i <= length(lines) - 1; i++) { | |
| formatted_content = formatted_content "\n" indent " " lines[i] | |
| } | |
| formatted_content = formatted_content "\n" indent "]" | |
| # Replace the matched block with the formatted JSON | |
| $0 = formatted_content | |
| } | |
| 1 | |
| ' "$TEST_FILE" > temp_file && mv temp_file "$TEST_FILE" | |
| # Re-format with `black` to ensure consistent style | |
| pip3 install black | |
| black "$TEST_FILE" | |
| echo "Updated $TEST_FILE with properly indented TLSA records." | |
| # Check if the file was updated | |
| if ! git diff --exit-code "$TEST_FILE"; then | |
| echo "File updated." | |
| echo "file_updated=true" >> $GITHUB_ENV | |
| else | |
| echo "No changes detected." | |
| fi | |
| # Cleanup temp file | |
| rm tlsa.json | |
| - name: Create Pull Request | |
| if: env.file_updated == 'true' | |
| uses: peter-evans/create-pull-request@v5 | |
| with: | |
| title: "Update TLSA records" | |
| body: "This PR updates the TLSA records in the test file." | |
| base: main | |
| branch: update-tlsa-record-${{ github.run_id }} | |
| delete-branch: false | |
| author: "github-actions[bot] <github-actions[bot]@users.noreply.github.com>" | |
| draft: true |