state-hub/scripts/verify_image_pin.py

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#!/usr/bin/env python3
"""Check that the pinned image tag was actually built (STATE-WP-0084-T02).
A helm upgrade pinned to a tag no registry holds fails as a pre-upgrade hook
timeout after ~5 minutes, and the message names a timeout rather than a missing
image. The cause is easy to reach honestly: `.forgejo/workflows/image.yaml` has
a `paths:` filter, so a chart-only commit is green in CI and builds nothing. A
green pipeline is not evidence of an image.
Exits non-zero if the pinned tag's commit never ran `build-and-push`.
"""
from __future__ import annotations
import json
import re
import subprocess
import sys
import urllib.request
from pathlib import Path
VALUES = Path(__file__).resolve().parents[1] / "deploy/railiance/apps/helm/state-hub-values.yaml"
API = "https://forgejo.coulomb.social/api/v1/repos/coulomb/state-hub/actions/tasks?limit=50"
def main() -> int:
m = re.search(r'^\s*tag:\s*"?main-([0-9a-f]{7,40})"?\s*$', VALUES.read_text(), re.M)
if not m:
print(f"could not read a main-<sha> tag from {VALUES}")
return 2
sha = m.group(1)
try:
with urllib.request.urlopen(API, timeout=30) as r:
runs = json.load(r).get("workflow_runs", [])
except Exception as exc: # noqa: BLE001 - offline is inconclusive, not a failure
print(f"could not reach the forge ({type(exc).__name__}); pin unverified")
return 0
built = {
run["head_sha"][:7]
for run in runs
if run.get("name") == "build-and-push" and run.get("status") == "success"
}
if sha[:7] in built:
print(f"ok: main-{sha} was built by build-and-push")
return 0
print(f"main-{sha} has no successful build-and-push run.")
try:
changed = subprocess.run(
["git", "show", "--name-only", "--format=", sha],
capture_output=True, text=True, cwd=VALUES.parents[3],
).stdout.split()
if changed and all(p.startswith("deploy/") or p.endswith(".md") for p in changed):
print("It is a chart/docs-only commit, which the paths: filter excludes.")
except Exception: # noqa: BLE001
pass
recent = [r["head_sha"][:7] for r in runs if r.get("name") == "build-and-push"][:3]
print(f"Most recent built commits: {', '.join(recent) or 'none found'}")
return 1
if __name__ == "__main__":
sys.exit(main())