computer-playbook/roles/update-docker/files/update-docker-compose-instances.py

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2023-11-16 12:31:12 +01:00
import os
import subprocess
import sys
def run_command(command):
try:
subprocess.check_output(command, shell=True, stderr=subprocess.STDOUT)
except subprocess.CalledProcessError as e:
print(e.output.decode())
sys.exit(e.returncode)
def git_pull(directory):
os.chdir(directory)
print(f"Checking if the git repository in {directory} is up to date.")
local = subprocess.check_output("git rev-parse @", shell=True).decode().strip()
remote = subprocess.check_output("git rev-parse @{u}", shell=True).decode().strip()
if local != remote:
print("Repository is not up to date. Performing git pull.")
run_command("git pull")
else:
print("Repository is already up to date.")
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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}
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def update_docker(directory):
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print(f"Checking for updates to Docker images in {directory}.")
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.")
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def update_nextcloud(directory):
print("Updating Nextcloud apps.")
run_command("docker-compose exec -T -u www-data application /var/www/html/occ app:update --all")
if __name__ == "__main__":
if len(sys.argv) < 2:
print("Please provide the path to the parent directory as a parameter.")
sys.exit(1)
parent_directory = sys.argv[1]
for dir_entry in os.scandir(parent_directory):
if dir_entry.is_dir():
dir_path = dir_entry.path
print(f"Checking for updates in: {dir_path}")
if os.path.isdir(os.path.join(dir_path, ".git")):
git_pull(dir_path)
update_docker(dir_path)
if os.path.basename(dir_path) == "nextcloud":
update_nextcloud(dir_path)