# Copyright © Cloud Linux GmbH & Cloud Linux Software, Inc 2010-2018 All Rights Reserved
#
# Licensed under CLOUD LINUX LICENSE AGREEMENT
# https://cloudlinux.com/docs/LICENCE.TXT
#
import logging
from clconfigure import task, run
STATE_MASKED = 'masked'
STATE_STOPPED = 'stopped'
STATE_UNMASKED = 'unmasked'
STATE_RUNNING = 'running'
STATE_FAILED = 'failed'
STATUS_STOPPED = 'inactive'
STATUS_RUNNING = 'active'
STATE_ENABLED = 'enabled'
STATE_DISABLED = 'disabled'
def get_service_state(service, kind='is-active'):
"""
Get information about systemctl service state
(either activity or enability)
"""
result = run(['systemctl', kind, service + '.service'])
state = result.stdout.strip()
return state
@task("Changing service '{service_name}' state to '{desired_state}'")
def set_service_state(desired_state, service_name):
"""
Brings service to given state. May be executed more that once,
does't crash on future calls
"""
current_state = get_service_state(service_name, kind='is-enabled')
current_status = get_service_state(service_name)
logging.debug("Checking service '%s' state... package is in state='%s' running='%s'"
"", service_name, current_state, current_status)
action = None
if desired_state == STATE_MASKED and current_state != STATE_MASKED:
action = 'mask'
elif desired_state == STATE_UNMASKED and current_state == STATE_MASKED:
action = 'unmask'
elif desired_state == STATE_STOPPED and current_status != STATUS_STOPPED:
action = 'stop'
elif desired_state == STATE_DISABLED and current_state != STATE_DISABLED:
action = 'disable'
elif desired_state == STATE_RUNNING and current_status != STATUS_RUNNING:
action = 'start'
elif desired_state == STATE_ENABLED and current_state != STATE_ENABLED:
action = 'enable'
if action is None:
logging.debug("No actions needed for service '%s'", service_name)
else:
run(['systemctl', action, service_name + '.service'])
current_state = get_service_state(service_name)
current_status = get_service_state(service_name)
logging.debug("Checking service '%s' state again... service now is in state='%s' running='%s'"
"", service_name, current_state, current_status)
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