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#!/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/>.
#
import os
DOCUMENTATION = '''
---
module: supervisorctl
short_description: Manage the state of a program or group of programs running via Supervisord
description:
- Manage the state of a program or group of programs running via I(Supervisord)
version_added: "0.7"
options:
name:
description:
- The name of the I(supervisord) program/process to manage
required: true
default: null
config:
description:
- configuration file path, passed as -c to supervisorctl
required: false
default: null
version_added: "1.3"
server_url:
description:
- URL on which supervisord server is listening, passed as -s to supervisorctl
required: false
default: null
version_added: "1.3"
username:
description:
- username to use for authentication with server, passed as -u to supervisorctl
required: false
default: null
version_added: "1.3"
password:
description:
- password to use for authentication with server, passed as -p to supervisorctl
required: false
default: null
version_added: "1.3"
state:
description:
- The state of service
required: true
default: null
choices: [ "present", "started", "stopped", "restarted" ]
supervisorctl_path:
description:
- Path to supervisorctl executable to use
required: false
default: null
version_added: "1.4"
requirements:
- supervisorctl
requirements: [ ]
author: Matt Wright
'''
EXAMPLES = '''
# Manage the state of program to be in 'started' state.
- supervisorctl: name=my_app state=started
# Restart my_app, reading supervisorctl configuration from a specified file.
- supervisorctl: name=my_app state=restarted config=/var/opt/my_project/supervisord.conf
# Restart my_app, connecting to supervisord with credentials and server URL.
- supervisorctl: name=my_app state=restarted username=test password=testpass server_url=http://localhost:9001
'''
def main():
arg_spec = dict(
name=dict(required=True),
config=dict(required=False),
server_url=dict(required=False),
username=dict(required=False),
password=dict(required=False),
supervisorctl_path=dict(required=False),
state=dict(required=True, choices=['present', 'started', 'restarted', 'stopped'])
)
module = AnsibleModule(argument_spec=arg_spec, supports_check_mode=True)
name = module.params['name']
state = module.params['state']
config = module.params.get('config')
server_url = module.params.get('server_url')
username = module.params.get('username')
password = module.params.get('password')
supervisorctl_path = module.params.get('supervisorctl_path')
if supervisorctl_path:
supervisorctl_path = os.path.expanduser(supervisorctl_path)
if os.path.exists(supervisorctl_path) and module.is_executable(supervisorctl_path):
supervisorctl_args = [ supervisorctl_path ]
else:
module.fail_json(msg="Provided path to supervisorctl does not exist or isn't executable: %s" % supervisorctl_path)
else:
supervisorctl_args = [ module.get_bin_path('supervisorctl', True) ]
if config:
supervisorctl_args.extend(['-c', os.path.expanduser(config)])
if server_url:
supervisorctl_args.extend(['-s', server_url])
if username:
supervisorctl_args.extend(['-u', username])
if password:
supervisorctl_args.extend(['-p', password])
def run_supervisorctl(cmd, name=None, **kwargs):
args = list(supervisorctl_args) # copy the master args
args.append(cmd)
if name:
args.append(name)
return module.run_command(args, **kwargs)
rc, out, err = run_supervisorctl('status')
present = name in out
if state == 'present':
if not present:
if module.check_mode:
module.exit_json(changed=True)
run_supervisorctl('reread', check_rc=True)
rc, out, err = run_supervisorctl('add', 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)
rc, out, err = run_supervisorctl('status', name)
running = 'RUNNING' in out or '(already running)' in out
if running and state == 'started':
module.exit_json(changed=False, name=name, state=state)
if running and state == 'stopped':
if module.check_mode:
module.exit_json(changed=True)
rc, out, err = run_supervisorctl('stop', name)
if '%s: stopped' % name in out:
module.exit_json(changed=True, name=name, state=state)
module.fail_json(msg=out)
elif state == 'restarted':
if module.check_mode:
module.exit_json(changed=True)
rc, out, err = run_supervisorctl('update', name)
rc, out, err = run_supervisorctl('restart', 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 == 'started':
if module.check_mode:
module.exit_json(changed=True)
rc, out, err = run_supervisorctl('start',name)
if '%s: started' % name in out:
module.exit_json(changed=True, name=name, state=state)
module.fail_json(msg=out)
module.exit_json(changed=False, name=name, state=state)
# this is magic, see lib/ansible/module_common.py
#<<INCLUDE_ANSIBLE_MODULE_COMMON>>
main()
|
