Added script to remove old images

.github/workflows/clean.yml

@@ -0,0 +1,25 @@
+name: Erase old versions
+
+on:
+  push:
+    tags:
+      - clean_*
+  repository_dispatch:
+    types: [clean]
+
+jobs:
+  do_clean:
+    name: Remove old versions
+    runs-on: ubuntu-latest
+    permissions:
+      packages: write
+      contents: read
+
+    steps:
+    - name: Check out the repo
+      uses: actions/checkout@v3
+
+    - name: Remove old untagged and dev_* versions
+      run: |
+        cd tools
+        python3 garbage_collector.py ${{ secrets.PKG_TOKEN }}

tools/garbage_collector.py

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+#!/usr/bin/python3
+from datetime import datetime, timezone
+import requests
+import sys
+
+
+ORG = 'INTI-CMNB'
+PKGS = {'kicad_auto', 'kicad5_auto', 'kicad6_auto', 'kicad7_auto'}
+PKG = 'kicad5_auto'
+HEADER = {'Accept': 'application/vnd.github+json',
+          'Authorization': 'Bearer '+sys.argv[1],
+          'X-GitHub-Api-Version': '2022-11-28'}
+
+
+def erase(name):
+    url = f'https://api.github.com/orgs/{ORG}/packages/container/{PKG}/versions/{name}'
+    r = requests.delete(url, timeout=20, allow_redirects=True, headers=HEADER)
+    assert r.status_code == 204, r.status_code
+
+
+deleted = 0
+for PKG in PKGS:
+    url = f'https://api.github.com/orgs/{ORG}/packages/container/{PKG}/versions'
+    page = 1
+    received = 100
+    vers = []
+    while received == 100:
+        r = requests.get(url, timeout=20, allow_redirects=True, headers=HEADER, params={'per_page': 100, 'page': page})
+        assert r.status_code == 200
+        page = page+1
+        res = r.json()
+        vers.extend(res)
+        received = len(res)
+    
+    now = datetime.now(timezone.utc)
+    for v in vers:
+        # How old is this version?
+        date_str = v["updated_at"]
+        parsed_date = datetime.fromisoformat(date_str.replace('Z', '+00:00'))
+        days_ago = (now - parsed_date).days
+        # Leave anything with 15 or less days
+        if days_ago < 15:
+            continue
+        # Analyze the tags
+        tags = v["metadata"]["container"]["tags"]
+        if len(tags) == 0:
+            print(f"Deleting {v['html_url']} UNTAGGED {days_ago} days ago")
+            erase(v["id"])
+            deleted += 1
+        elif len(tags) == 1 and tags[0].startswith('dev_'):
+            # Is dev_* and isn't tagged as the last dev
+            print(f"Deleting {v['html_url']} {tags[0]} {days_ago} days ago")
+            erase(v["id"])
+            deleted += 1
+print(f"Deleted {deleted} versions")