131 lines
4 KiB
Python
Executable file
131 lines
4 KiB
Python
Executable file
#!/usr/bin/python
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# -*- coding: utf-8 -*-
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# (c) 2012, Matt Wright <matt@nobien.net>
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#
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# This file is part of Ansible
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#
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# Ansible is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Ansible is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
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#
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DOCUMENTATION = '''
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---
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module: supervisorctl
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short_description: Manage the state of a program or group of programs running via Supervisord
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description:
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- Manage the state of a program or group of programs running via Supervisord
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version_added: "0.7"
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options:
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name:
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description:
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- The name of the supervisord program/process to manage
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required: true
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default: null
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state:
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description:
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- The state of service
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required: true
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default: null
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choices: [ "started", "stopped", "restarted" ]
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examples:
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- code: supervisorctl name=my_app state=started
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description: Manage the state of program I(my_app) to be in I(started) state.
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requirements: [ ]
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author: Matt Wright
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'''
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def _is_present(name, supervisorctl):
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rc, out, err = _run('%s status' % supervisorctl)
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return name in out
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def _is_running(name, supervisorctl):
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rc, out, err = _run('%s status %s' % (supervisorctl, name))
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return 'RUNNING' in out
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def _run(cmd):
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# returns (rc, stdout, stderr) from shell command
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process = subprocess.Popen(cmd, stdout=subprocess.PIPE,
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stderr=subprocess.PIPE, shell=True)
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stdout, stderr = process.communicate()
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return (process.returncode, stdout, stderr)
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def main():
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arg_spec = dict(
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name=dict(required=True),
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state=dict(required=True, choices=['present', 'started', 'restarted', 'stopped'])
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)
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module = AnsibleModule(argument_spec=arg_spec)
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name = module.params['name']
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state = module.params['state']
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SUPERVISORCTL = module.get_bin_path('supervisorctl', True)
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present = _is_present(name, SUPERVISORCTL)
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if state == 'present':
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if not present:
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_run('%s reread' % SUPERVISORCTL)
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rc, out, err = _run('%s add %s' % (SUPERVISORCTL, name))
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if '%s: added process group' % name in out:
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module.exit_json(changed=True, name=name, state=state)
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else:
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module.fail_json(msg=out, name=name, state=state)
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module.exit_json(changed=False, name=name, state=state)
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running = _is_running(name, SUPERVISORCTL)
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if running and state == 'started':
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module.exit_json(changed=False, name=name, state=state)
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if running and state == 'stopped':
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rc, out, err = _run('%s stop %s' % (SUPERVISORCTL, name))
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if '%s: stopped' % name in out:
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module.exit_json(changed=True, name=name, state=state)
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module.fail_json(msg=out)
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elif running and state == 'restarted':
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rc, out, err = _run('%s update %s' % (SUPERVISORCTL, name))
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rc, out, err = _run('%s restart %s' % (SUPERVISORCTL, name))
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if '%s: stopped' % name in out and '%s: started' % name in out:
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module.exit_json(changed=True, name=name, state=state)
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module.fail_json(msg=out)
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elif not running and state == 'started':
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rc, out, err = _run('%s start %s' % (SUPERVISORCTL, name))
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if '%s: started' % name in out:
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module.exit_json(changed=True, name=name, state=state)
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module.fail_json(msg=out)
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elif not running and state == 'restarted':
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module.fail_json(msg='Could not restart `%s` because it is not running' % name)
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module.exit_json(changed=False, name=name, state=state)
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# this is magic, see lib/ansible/module_common.py
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#<<INCLUDE_ANSIBLE_MODULE_COMMON>>
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main()
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