Cleanup ACR images #144
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name: Cleanup ACR images | |
on: | |
schedule: | |
- cron: "0 0 * * *" # Runs daily at midnight UTC | |
jobs: | |
cleanup_images: | |
runs-on: ubuntu-latest | |
strategy: | |
max-parallel: 1 | |
matrix: | |
env: [staging, prod] | |
steps: | |
- name: "Check out changes" | |
uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 | |
- name: Connect to VPN & Login into Azure | |
uses: ./.github/actions/vpn-azure | |
with: | |
tls-key: ${{ secrets.TLS_KEY }} | |
ca-cert: ${{ secrets.CA_CRT}} | |
user-crt: ${{ secrets.USER_CRT }} | |
user-key: ${{ secrets.USER_KEY }} | |
sp-creds: ${{ secrets.SERVICE_PRINCIPAL_CREDS }} | |
- name: List ${{ matrix.env }} repository images | |
run: | | |
az acr login --name pdh${{ matrix.env }}containerregistry | |
images=$(az acr repository show-tags --name pdh${{ matrix.env }}containerregistry --repository pdh${{ matrix.env }} --orderby time_asc --output table) | |
echo "Reserving latest 2 from:" | |
echo "$images" | |
echo "$images" | head -n -2 > ${{ matrix.env }}-images.txt | |
sed -i '1,2d' ${{ matrix.env }}-images.txt | |
- name: Delete old images in ${{ matrix.env }} env | |
env: | |
IMAGE_FILE: ${{ matrix.env }}-images.txt | |
run: | | |
if [ -e "$IMAGE_FILE" ]; then | |
while IFS= read -r image_id; do | |
az acr repository delete --name pdh${{ matrix.env }}containerregistry --image pdh${{ matrix.env }}:$image_id --yes | |
if [ $? -eq 0 ]; then | |
echo "Deleted image: pdh${{ matrix.env }}containerregistry:$image_id" | |
else | |
echo "Failed to delete image: pdh${{ matrix.env }}containerregistry:$image_id" | |
fi | |
done < "$IMAGE_FILE" | |
else | |
echo "File not found: $IMAGE_FILE" | |
fi | |
# Pushing a modified image using an existing tag untags the previously pushed image, | |
# resulting in an orphaned (or "dangling") image. | |
# The previously pushed image's manifest--and its layer data--remains in the registry. | |
# They still need to be removed | |
- name: List image manifests in ${{ matrix.env }} env | |
run: | | |
az acr login --name pdh${{ matrix.env }}containerregistry | |
manifest=$(az acr manifest list-metadata -r pdh${{ matrix.env }}containerregistry -n pdh${{ matrix.env }} --orderby time_asc --output tsv --query "[*].{Digest:digest}") | |
echo "Reserving latest 4 from:" | |
echo "$manifest" | |
echo "$manifest" | head -n -4 > ${{ matrix.env }}-untaged-images.txt | |
- name: Delete image manifest in ${{ matrix.env }} env | |
env: | |
UNTAGED_FILE: ${{ matrix.env }}-untaged-images.txt | |
run: | | |
if [ -e "$UNTAGED_FILE" ]; then | |
while IFS= read -r manifest_id; do | |
az acr repository delete --name pdh${{ matrix.env }}containerregistry --image pdh${{ matrix.env }}@$manifest_id --yes | |
if [ $? -eq 0 ]; then | |
echo "Deleted image: pdh${{ matrix.env }}:$manifest_id" | |
else | |
echo "Failed to delete image: pdh${{ matrix.env }}:$manifest_id" | |
fi | |
done < "$UNTAGED_FILE" | |
else | |
echo "File not found: $UNTAGED_FILE" | |
fi |