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Optimized update routine

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Kevin Veen-Birkenbach 2023-11-16 15:13:34 +01:00
parent f237cf140c
commit 41c1151f5a
1 changed files with 36 additions and 3 deletions
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39
roles/update-docker/files/update-docker.py
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@ -1,6 +1,7 @@
import os import os
import subprocess import subprocess
import sys import sys
import time
def run_command(command): def run_command(command):
process = subprocess.Popen(command, shell=True, stdout=subprocess.PIPE, stderr=subprocess.STDOUT) process = subprocess.Popen(command, shell=True, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
@ -46,6 +47,18 @@ def get_image_digests(directory):
else: else:
raise # Other errors are still raised raise # Other errors are still raised
def is_any_service_up(directory):
os.chdir(directory)
process = subprocess.Popen("docker-compose ps -q", shell=True, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
output, _ = process.communicate()
service_ids = output.decode().strip().splitlines()
# Check if there are any service containers up
if not service_ids:
return False # No services are up
return True # At least one service is up
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}.")
os.chdir(directory) os.chdir(directory)
@ -66,18 +79,38 @@ def update_docker(directory):
after_digests = get_image_digests(directory) after_digests = get_image_digests(directory)
if before_digests != after_digest: if before_digests != after_digests:
print("Changes detected in image digests. Rebuilding containers.") print("Changes detected in image digests. Rebuilding containers.")
need_to_build=True need_to_build=True
if need_to_build: if need_to_build:
run_command("docker-compose up -d --build --force-recreate") run_command("docker-compose build")
start_docker(directory)
else: else:
print("Docker images are up to date. No rebuild necessary.") 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.")
run_command("docker-compose exec -T -u www-data application /var/www/html/occ app:update --all") max_attempts = 3
for attempt in range(max_attempts):
try:
run_command("docker-compose exec -T -u www-data application /var/www/html/occ app:update --all")
break # If the command succeeds, exit the loop
except subprocess.CalledProcessError as e:
if attempt < max_attempts - 1: # Check if it's not the last attempt
print(f"Attempt {attempt + 1} failed, retrying in 60 seconds...")
time.sleep(60) # Wait for 60 seconds before retrying
else:
print("All attempts to update Nextcloud apps have failed.")
raise # Re-raise the last exception after all attempts fail
def start_docker(directory):
if is_any_service_up(directory):
print(f"Restarting containers in {directory}.")
run_command("docker-compose up -d --force-recreate")
else:
print(f"Skipped starting. No service is up in {directory}.")
if __name__ == "__main__": if __name__ == "__main__":
if len(sys.argv) < 2: if len(sys.argv) < 2: