From 9cc0654f56a86bfbb7b558b873b2e35bdd3915d8 Mon Sep 17 00:00:00 2001
From: Philipp Horstenkamp <philipp@horstenkamp.de>
Date: Mon, 25 Sep 2023 20:28:49 +0200
Subject: [PATCH] Delete untagged images (#151)

This change to the pipline deletes untagged / overwritten tags once a
week to keep the memory consumption in the GH registry reasonable.
---
 .github/workflows/delete-branch.yaml | 11 -----------
 .github/workflows/maintenance.yaml   | 18 ++++++++++++++++++
 2 files changed, 18 insertions(+), 11 deletions(-)
 delete mode 100644 .github/workflows/delete-branch.yaml
 create mode 100644 .github/workflows/maintenance.yaml

diff --git a/.github/workflows/delete-branch.yaml b/.github/workflows/delete-branch.yaml
deleted file mode 100644
index 67dbbc8..0000000
--- a/.github/workflows/delete-branch.yaml
+++ /dev/null
@@ -1,11 +0,0 @@
-name: Branch Deleted
-on: delete
-jobs:
-  delete:
-    if: github.event.ref_type == 'branch'
-    runs-on: ubuntu-latest
-    steps:
-    - name: Clean up
-      run: |
-        echo "Clean up for branch ${{ github.event.ref }}"
-       # uses: bots-house/ghcr-delete-image-action@v1.1.0
diff --git a/.github/workflows/maintenance.yaml b/.github/workflows/maintenance.yaml
new file mode 100644
index 0000000..f402e7a
--- /dev/null
+++ b/.github/workflows/maintenance.yaml
@@ -0,0 +1,18 @@
+name: Auto Maintenance Cycle
+
+on:
+  schedule:
+  - cron: 30 7 * * 1
+
+jobs:
+  delete_all_untagged:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        name: [ingest, data-transformation, web-server]
+    steps:
+    - name: purge packages
+      uses: dylanratcliffe/delete-untagged-containers@main
+      with:
+        package_name: ${{ github.event.repository.name }}/${{ matrix.name }}
+        token: ${{ secrets.GITHUB_TOKEN }}