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improved rebuild performance

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This commit is contained in:
Kevin Veen-Birkenbach 2023-11-16 12:49:53 +01:00
parent a94cf8d8c2
commit d61039d3a2
1 changed files with 17 additions and 2 deletions
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19
roles/update-docker/files/update-docker-compose-instances.py
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@ -21,9 +21,24 @@ def git_pull(directory):
else: else:
print("Repository is already up to date.") print("Repository is already up to date.")
def get_image_digests():
images_output = subprocess.check_output('docker-compose images --digests', shell=True).decode().strip()
image_lines = images_output.splitlines()
return {line.split()[0]: line.split()[2] for line in image_lines if line}
def update_docker(directory): def update_docker(directory):
print("Pulling docker images and rebuilding containers.") print(f"Checking for updates to Docker images in {directory}.")
run_command("docker-compose pull && docker-compose up -d --build --force-recreate") os.chdir(directory)
before_digests = get_image_digests()
print("Pulling docker images.")
run_command("docker-compose pull")
after_digests = get_image_digests()
if before_digests != after_digests:
print("Changes detected in image digests. Rebuilding containers.")
run_command("docker-compose up -d --build --force-recreate")
else:
print("Docker images are up to date. No rebuild necessary.")
def update_nextcloud(directory): def update_nextcloud(directory):
print("Updating Nextcloud apps.") print("Updating Nextcloud apps.")