Update Pi-hole Hosts File #96
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| name: Update Pi-hole Hosts File | |
| permissions: | |
| contents: write | |
| on: | |
| schedule: | |
| - cron: '0 2 * * *' | |
| workflow_dispatch: | |
| push: | |
| branches: [ master ] | |
| env: | |
| SOURCE_REPO: "redlib-org/redlib-instances" | |
| JSON_FILE_PATH: "instances.json" | |
| OUTPUT_FILE: "redlib-hosts.txt" | |
| jobs: | |
| update-hosts: | |
| runs-on: ubuntu-latest | |
| steps: | |
| - name: Checkout repository | |
| uses: actions/checkout@v4 | |
| with: | |
| token: ${{ secrets.GITHUB_TOKEN }} | |
| - name: Fetch JSON and create hosts file | |
| run: | | |
| echo "Fetching JSON file from $SOURCE_REPO..." | |
| curl -s "https://raw.githubusercontent.com/$SOURCE_REPO/main/$JSON_FILE_PATH" > temp.json | |
| if [ ! -s temp.json ]; then | |
| echo "Error: Failed to download JSON file or file is empty" | |
| exit 1 | |
| fi | |
| if ! jq empty temp.json 2>/dev/null; then | |
| echo "Error: Invalid JSON format" | |
| exit 1 | |
| fi | |
| > $OUTPUT_FILE | |
| jq -r '.instances[]?.url // empty' temp.json | while IFS= read -r url; do | |
| if [ -n "$url" ]; then | |
| clean_url=$(echo "$url" | sed -e 's|^https\?://||' -e 's|/$||') | |
| echo "0.0.0.0 $clean_url" >> $OUTPUT_FILE | |
| fi | |
| done | |
| if [ $(wc -l < $OUTPUT_FILE) -le 4 ]; then | |
| echo "Warning: No URLs found in instances array" | |
| else | |
| echo "Successfully processed $(( $(wc -l < $OUTPUT_FILE) - 4 )) URLs" | |
| fi | |
| rm temp.json | |
| - name: Check for changes | |
| id: check-changes | |
| run: | | |
| if git diff --quiet HEAD -- $OUTPUT_FILE; then | |
| echo "changed=false" >> $GITHUB_OUTPUT | |
| echo "No changes detected in hosts file" | |
| else | |
| echo "changed=true" >> $GITHUB_OUTPUT | |
| echo "Changes detected in hosts file" | |
| fi | |
| - name: Commit and push changes | |
| if: steps.check-changes.outputs.changed == 'true' | |
| run: | | |
| git config --local user.email "[email protected]" | |
| git config --local user.name "GitHub Action" | |
| git add $OUTPUT_FILE | |
| git commit -m "Update Pi-hole hosts file" | |
| git push | |
| env: | |
| GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} | |
| - name: No changes | |
| if: steps.check-changes.outputs.changed == 'false' | |
| run: | | |
| echo "No changes to commit. Hosts file is already up to date." |