Fixes deleting images if the branch API returns an error code and makes the error code a failure

.github/scripts/cleanup-tags.py

@@ -249,10 +249,12 @@ class MainImageTagsCleaner(RegistryTagsCleaner):
         will be removed, if the corresponding branch no longer exists.
         """
 
+        # Default to everything gets kept still
+        super().decide_what_tags_to_keep()
+
         # Locate the feature branches
         feature_branches = {}
         for branch in self.branch_api.get_branches(
-            owner=self.repo_owner,
             repo=self.repo_name,
         ):
             if branch.name.startswith("feature-"):
@@ -261,6 +263,10 @@ class MainImageTagsCleaner(RegistryTagsCleaner):
 
         logger.info(f"Located {len(feature_branches)} feature branches")
 
+        if not len(feature_branches):
+            # Our work here is done, delete nothing
+            return
+
         # Filter to packages which are tagged with feature-*
         packages_tagged_feature: List[ContainerPackage] = []
         for package in self.all_package_versions:

.github/scripts/github.py

@@ -15,7 +15,7 @@ from typing import Dict
 from typing import List
 from typing import Optional
 
-import requests
+import httpx
 
 logger = logging.getLogger("github-api")
 
@@ -28,15 +28,15 @@ class _GithubApiBase:
 
     def __init__(self, token: str) -> None:
         self._token = token
-        self._session: Optional[requests.Session] = None
+        self._client: Optional[httpx.Client] = None
 
     def __enter__(self) -> "_GithubApiBase":
         """
         Sets up the required headers for auth and response
         type from the API
         """
-        self._session = requests.Session()
+        self._client = httpx.Client()
-        self._session.headers.update(
+        self._client.headers.update(
             {
                 "Accept": "application/vnd.github.v3+json",
                 "Authorization": f"token {self._token}",
@@ -49,14 +49,14 @@ class _GithubApiBase:
         Ensures the authorization token is cleaned up no matter
         the reason for the exit
         """
-        if "Accept" in self._session.headers:
+        if "Accept" in self._client.headers:
-            del self._session.headers["Accept"]
+            del self._client.headers["Accept"]
-        if "Authorization" in self._session.headers:
+        if "Authorization" in self._client.headers:
-            del self._session.headers["Authorization"]
+            del self._client.headers["Authorization"]
 
         # Close the session as well
-        self._session.close()
+        self._client.close()
-        self._session = None
+        self._client = None
 
     def _read_all_pages(self, endpoint):
         """
@@ -66,7 +66,7 @@ class _GithubApiBase:
         internal_data = []
 
         while True:
-            resp = self._session.get(endpoint)
+            resp = self._client.get(endpoint)
             if resp.status_code == 200:
                 internal_data += resp.json()
                 if "next" in resp.links:
@@ -76,7 +76,7 @@ class _GithubApiBase:
                     break
             else:
                 logger.warning(f"Request to {endpoint} return HTTP {resp.status_code}")
-                break
+                resp.raise_for_status()
 
         return internal_data
 
@@ -113,14 +113,15 @@ class GithubBranchApi(_GithubApiBase):
     def __init__(self, token: str) -> None:
         super().__init__(token)
 
-        self._ENDPOINT = "https://api.github.com/repos/{OWNER}/{REPO}/branches"
+        self._ENDPOINT = "https://api.github.com/repos/{REPO}/branches"
 
-    def get_branches(self, owner: str, repo: str) -> List[GithubBranch]:
+    def get_branches(self, repo: str) -> List[GithubBranch]:
         """
         Returns all current branches of the given repository owned by the given
         owner or organization.
         """
-        endpoint = self._ENDPOINT.format(OWNER=owner, REPO=repo)
+        # The environment GITHUB_REPOSITORY already contains the owner in the correct location
+        endpoint = self._ENDPOINT.format(REPO=repo)
         internal_data = self._read_all_pages(endpoint)
         return [GithubBranch(branch) for branch in internal_data]
 
@@ -247,7 +248,7 @@ class GithubContainerRegistryApi(_GithubApiBase):
         """
         Deletes the given package version from the GHCR
         """
-        resp = self._session.delete(package_data.url)
+        resp = self._client.delete(package_data.url)
         if resp.status_code != 204:
             logger.warning(
                 f"Request to delete {package_data.url} returned HTTP {resp.status_code}",
@@ -266,7 +267,7 @@ class GithubContainerRegistryApi(_GithubApiBase):
             PACKAGE_VERSION_ID=package_data.id,
         )
 
-        resp = self._session.post(endpoint)
+        resp = self._client.post(endpoint)
         if resp.status_code != 204:
             logger.warning(
                 f"Request to delete {endpoint} returned HTTP {resp.status_code}",

.github/workflows/cleanup-tags.yml

@@ -64,9 +64,9 @@ jobs:
         with:
           python-version: "3.10"
       -
-        name: Install requests
+        name: Install httpx
         run: |
-          python -m pip install requests
+          python -m pip install httpx
       #
       # Clean up primary package
       #