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https://github.com/kevinveenbirkenbach/computer-playbook.git
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implemented an more general digest approach
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@ -21,18 +21,21 @@ def git_pull(directory):
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else:
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else:
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print("Repository is already up to date.")
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print("Repository is already up to date.")
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def get_image_digests():
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def get_image_digests(directory):
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images_output = subprocess.check_output('docker-compose images --digests', shell=True).decode().strip()
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compose_project = os.path.basename(directory)
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image_lines = images_output.splitlines()
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images_output = subprocess.check_output(
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return {line.split()[0]: line.split()[2] for line in image_lines if line}
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f'docker images --format "{{{{.Repository}}}}:{{{{.Tag}}}}@{{{{.Digest}}}}" | grep {compose_project}',
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shell=True
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).decode().strip()
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return dict(line.split('@') for line in images_output.splitlines() if line)
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def update_docker(directory):
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def update_docker(directory):
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print(f"Checking for updates to Docker images in {directory}.")
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print(f"Checking for updates to Docker images in {directory}.")
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os.chdir(directory)
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os.chdir(directory)
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before_digests = get_image_digests()
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before_digests = get_image_digests(directory)
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print("Pulling docker images.")
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print("Pulling docker images.")
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run_command("docker-compose pull")
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run_command("docker-compose pull")
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after_digests = get_image_digests()
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after_digests = get_image_digests(directory)
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if before_digests != after_digests:
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if before_digests != after_digests:
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print("Changes detected in image digests. Rebuilding containers.")
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print("Changes detected in image digests. Rebuilding containers.")
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