diff --git a/library/supervisorctl b/library/supervisorctl new file mode 100755 index 00000000000..aec5a5e0530 --- /dev/null +++ b/library/supervisorctl @@ -0,0 +1,100 @@ +#!/usr/bin/python +# -*- coding: utf-8 -*- + +# (c) 2012, Matt Wright +# +# 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 . +# + +SUPERVISORCTL = None + +def _find_supervisorctl(): + paths = ['/usr/local/bin', '/usr/bin'] + + for p in paths: + e = p + '/supervisorctl' + if os.path.exists(e): + return e + + module.fail_json(msg='supervisorctl is not installed') + + +def _is_running(name): + 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=['started', 'restarted', 'stopped']) + ) + + module = AnsibleModule(argument_spec=arg_spec) + + name = module.params['name'] + state = module.params['state'] + + SUPERVISORCTL = _find_supervisorctl() + + running = _is_running(name) + + 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' % SUPERVISORCTL) + 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 update' % SUPERVISORCTL) + 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 +#<> + +main()