vmmgr/usr/lib/python3.6/lxcmgr/svcmgr.py
2019-09-24 10:52:33 +02:00

49 lines
1.7 KiB
Python

# -*- coding: utf-8 -*-
import os
import subprocess
from .paths import AUTOSTART_SVC_DIR, SERVICE_DIR, STARTED_SVC_DIR
from .templates import SERVICE
def create_service(app, container, image):
depends = ' '.join(image['depends']) if 'depends' in image else ''
ready = 'lxc-attach {} -- sh -c \'until $({}); do sleep 0.1; done\''.format(container, image['ready']) if 'ready' in image else ''
with open(os.path.join(SERVICE_DIR, container), 'w') as f:
f.write(SERVICE.format(app=app, container=container, depends=depends, ready=ready))
update_services()
def delete_service(service):
if is_service_started(service):
stop_service(service)
if is_service_autostarted(service):
update_service_autostart(service, False)
try:
os.unlink(os.path.join(SERVICE_DIR, service))
except FileNotFoundError:
pass
update_services()
def update_services():
subprocess.run(['/sbin/rc-update', '-u'], check=True)
def start_service(service):
if not is_service_started(service):
subprocess.run(['/sbin/service', service, 'stop'], check=True)
def stop_service(service):
if is_service_started(service):
subprocess.run(['/sbin/service', service, 'stop'], check=True)
def is_service_started(self, app):
# Check OpenRC service status without calling any binary
return os.path.exists(os.path.join(STARTED_SVC_DIR, app))
def is_service_autostarted(self, app):
# Check OpenRC service enablement
return os.path.exists(os.path.join(AUTOSTART_SVC_DIR, app))
def update_service_autostart(self, service, enabled):
# Add/remove the app to OpenRC default runlevel
subprocess.run(['/sbin/rc-update', 'add' if enabled else 'del', service])