ansible/library/supervisorctl
2012-08-31 15:03:26 -04:00

105 lines
3.3 KiB
Python
Executable file

#!/usr/bin/python
# -*- coding: utf-8 -*-
# (c) 2012, Matt Wright <matt@nobien.net>
#
# This file is part of Ansible
#
# Ansible is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Ansible is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
#
def _is_present(name, supervisorctl):
rc, out, err = _run('%s status' % supervisorctl)
return name in out
def _is_running(name, supervisorctl):
rc, out, err = _run('%s status %s' % (supervisorctl, name))
return 'RUNNING' in out
def _run(cmd):
# returns (rc, stdout, stderr) from shell command
process = subprocess.Popen(cmd, stdout=subprocess.PIPE,
stderr=subprocess.PIPE, shell=True)
stdout, stderr = process.communicate()
return (process.returncode, stdout, stderr)
def main():
arg_spec = dict(
name=dict(required=True),
state=dict(required=True, choices=['present', 'started', 'restarted', 'stopped'])
)
module = AnsibleModule(argument_spec=arg_spec)
name = module.params['name']
state = module.params['state']
SUPERVISORCTL = module.get_bin_path('supervisorctl', True)
present = _is_present(name, SUPERVISORCTL)
if state == 'present':
if not present:
_run('%s reread' % SUPERVISORCTL)
rc, out, err = _run('%s add %s' % (SUPERVISORCTL, name))
if '%s: added process group' % name in out:
module.exit_json(changed=True, name=name, state=state)
else:
module.fail_json(msg=out, name=name, state=state)
module.exit_json(changed=False, name=name, state=state)
running = _is_running(name, SUPERVISORCTL)
if running and state == 'started':
module.exit_json(changed=False, name=name, state=state)
if running and state == 'stopped':
rc, out, err = _run('%s stop %s' % (SUPERVISORCTL, name))
if '%s: stopped' % name in out:
module.exit_json(changed=True, name=name, state=state)
module.fail_json(msg=out)
elif running and state == 'restarted':
rc, out, err = _run('%s update %s' % (SUPERVISORCTL, name))
rc, out, err = _run('%s restart %s' % (SUPERVISORCTL, name))
if '%s: stopped' % name in out and '%s: started' % name in out:
module.exit_json(changed=True, name=name, state=state)
module.fail_json(msg=out)
elif not running and state == 'started':
rc, out, err = _run('%s start %s' % (SUPERVISORCTL, name))
if '%s: started' % name in out:
module.exit_json(changed=True, name=name, state=state)
module.fail_json(msg=out)
elif not running and state == 'restarted':
module.fail_json(msg='Could not restart `%s` because it is not running' % name)
module.exit_json(changed=False, name=name, state=state)
# this is magic, see lib/ansible/module_common.py
#<<INCLUDE_ANSIBLE_MODULE_COMMON>>
main()