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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. | ||
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on: | ||
schedule: | ||
- cron: "0 12 * * *" # Runs daily at 12:00 UTC | ||
workflow_dispatch: # Allows manual runs | ||
|
||
jobs: | ||
update-tlsa: | ||
runs-on: ubuntu-latest | ||
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||
steps: | ||
- name: Checkout repository | ||
uses: actions/checkout@v4 | ||
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||
- name: Install required tools | ||
run: sudo apt-get update && sudo apt-get install -y dnsutils jq | ||
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- 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 |
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