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Catched error if no local images exist

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Kevin Veen-Birkenbach 2023-11-16 14:42:09 +01:00
parent e9ee992466
commit a6c54f9478
1 changed files with 11 additions and 5 deletions
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6
roles/update-docker/files/update-docker.py
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@ -34,11 +34,17 @@ def git_pull(directory):
def get_image_digests(directory): def get_image_digests(directory):
compose_project = os.path.basename(directory) compose_project = os.path.basename(directory)
try:
images_output = subprocess.check_output( images_output = subprocess.check_output(
f'docker images --format "{{{{.Repository}}}}:{{{{.Tag}}}}@{{{{.Digest}}}}" | grep {compose_project}', f'docker images --format "{{{{.Repository}}}}:{{{{.Tag}}}}@{{{{.Digest}}}}" | grep {compose_project}',
shell=True shell=True
).decode().strip() ).decode().strip()
return dict(line.split('@') for line in images_output.splitlines() if line) return dict(line.split('@') for line in images_output.splitlines() if line)
except subprocess.CalledProcessError as e:
if e.returncode == 1: # grep no match found
return {}
else:
raise # Other errors are still raised
def update_docker(directory): def update_docker(directory):
print(f"Checking for updates to Docker images in {directory}.") print(f"Checking for updates to Docker images in {directory}.")