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feat(oci): recreate coordinated stacks from saved state

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VAIO73
2026-10-06 18:22:42 +02:00
parent b4f4d98e85
commit 3b6615194f
12 changed files with 243 additions and 49 deletions
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oci/remote/oci_update_current.py
+7 -2
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@@ -50,20 +50,25 @@ def run_quiet(args, error, capture=False):
process.wait()
def resolve_archive(desired, config, current=None, check=None):
def resolve_archive(desired, config, current=None, check=None, required_digest=None):
# Shared by individual and coordinated operations; no guest mutation here.
# When the registry still serves the current digest nothing is downloaded.
reference = desired['template']['container_contract']['image']['reference']
architecture = transaction.parse_config(config)['arch']
msg_info(translate('Checking the image in the registry...'))
transaction.log(f'image: {reference} ({architecture})')
if required_digest is not None and not re.fullmatch(r'sha256:[a-f0-9]{64}', required_digest):
raise ValueError(translate('Invalid saved image digest'))
lookup = repository(reference) + '@' + required_digest if required_digest else reference
code = ('import json,sys; from oci_installation_state import resolve_candidate; '
'print(json.dumps(resolve_candidate(sys.argv[1],sys.argv[2])))')
candidate = json.loads(run_quiet([sys.executable, '-c', code, reference, architecture],
candidate = json.loads(run_quiet([sys.executable, '-c', code, lookup, architecture],
translate('Could not query the image registry'), capture=True))
digest = candidate['manifest_digest']
if not re.fullmatch(r'sha256:[a-f0-9]{64}', digest):
raise ValueError(translate('Invalid registry digest'))
if required_digest is not None and digest != required_digest:
raise ValueError(translate('The registry did not return the saved image digest'))
msg_ok(f"{translate('Image:')} {reference} ({candidate.get('version') or digest[7:19]})")
if current and same_image(candidate, current):
return None, digest