mirror of
https://github.com/ansible-collections/community.general.git
synced 2024-09-14 20:13:21 +02:00
e5a635672c
* Migraed easy_install, pip, service, setup, and user. * Updated fail_json message in apt_repository * Fixed easy_install to not hardcode location of virtualenv in /usr/local/bin/. * Made handling of virtualenv more consistent between easy_install and pip.
255 lines
8.6 KiB
Python
Executable file
255 lines
8.6 KiB
Python
Executable file
#!/usr/bin/python
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# -*- coding: utf-8 -*-
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# (c) 2012, Michael DeHaan <michael.dehaan@gmail.com>
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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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import platform
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SERVICE = None
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CHKCONFIG = None
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INITCTL = None
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PS_OPTIONS = 'auxww'
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def _find_binaries(m):
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# list of possible paths for service/chkconfig binaries
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# with the most probable first
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global SERVICE
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global CHKCONFIG
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global INITCTL
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paths = ['/sbin', '/usr/sbin', '/bin', '/usr/bin']
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binaries = [ 'service', 'chkconfig', 'update-rc.d', 'initctl', 'systemctl']
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location = dict()
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for binary in binaries:
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location[binary] = None
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for binary in binaries:
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location[binary] = m.get_bin_path(binary)
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if location.get('systemctl', None):
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CHKCONFIG = location['systemctl']
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elif location.get('chkconfig', None):
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CHKCONFIG = location['chkconfig']
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elif location.get('update-rc.d', None):
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CHKCONFIG = location['update-rc.d']
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else:
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m.fail_json(msg='unable to find chkconfig or update-rc.d binary')
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if location.get('service', None):
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SERVICE = location['service']
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else:
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m.fail_json(msg='unable to find service binary')
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if location.get('initctl', None):
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INITCTL = location['initctl']
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else:
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INITCTL = None
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def _get_service_status(name, pattern):
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rc, status_stdout, status_stderr = _run("%s %s status" % (SERVICE, name))
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# set the running state to None because we don't know it yet
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running = None
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# If pattern is provided, search for that
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# before checking initctl, service output, and other tricks
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if pattern is not None:
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psbin = '/bin/ps'
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if not os.path.exists(psbin):
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if os.path.exists('/usr/bin/ps'):
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psbin = '/usr/bin/ps'
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else:
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psbin = None
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if psbin is not None:
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(rc, psout, pserr) = _run('%s %s' % (psbin, PS_OPTIONS))
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# If rc is 0, set running as appropriate
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# If ps command fails, fall back to other means.
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if rc == 0:
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running = False
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lines = psout.split("\n")
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for line in lines:
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if pattern in line and not "pattern=" in line:
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# so as to not confuse ./hacking/test-module
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running = True
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break
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# Check if we got upstart on the system and then the job state
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if INITCTL != None and running is None:
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# check the job status by upstart response
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initctl_rc, initctl_status_stdout, initctl_status_stderr = _run("%s status %s" % (INITCTL, name))
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if initctl_status_stdout.find("stop/waiting") != -1:
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running = False
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elif initctl_status_stdout.find("start/running") != -1:
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running = True
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# if the job status is still not known check it by response code
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if running == None:
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if rc == 3:
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running = False
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elif rc == 0:
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running = True
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# if the job status is still not known check it by status output keywords
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if running == None:
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# first tranform the status output that could irritate keyword matching
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cleanout = status_stdout.lower().replace(name.lower(), '')
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if "stop" in cleanout:
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running = False
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elif "run" in cleanout and "not" in cleanout:
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running = False
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elif "run" in cleanout and "not" not in cleanout:
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running = True
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elif "start" in cleanout and "not" not in cleanout:
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running = True
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elif 'could not access pid file' in cleanout:
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running = False
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elif 'is dead and pid file exists' in cleanout:
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running = False
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# if the job status is still not known check it by special conditions
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if running == None:
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if name == 'iptables' and status_stdout.find("ACCEPT") != -1:
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# iptables status command output is lame
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# TODO: lookup if we can use a return code for this instead?
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running = True
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return running
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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, 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 _do_enable(name, enable):
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# we change argument depending on real binary used
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# update-rc.d wants enable/disable while
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# chkconfig wants on/off
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# also, systemctl needs the arguments reversed
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if enable:
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on_off = "on"
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enable_disable = "enable"
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else:
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on_off = "off"
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enable_disable = "disable"
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if CHKCONFIG.endswith("update-rc.d"):
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args = (CHKCONFIG, name, enable_disable)
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elif CHKCONFIG.endswith("systemctl"):
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args = (CHKCONFIG, enable_disable, name + ".service")
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else:
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args = (CHKCONFIG, name, on_off)
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if enable is not None:
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rc, stdout, stderr = _run("%s %s %s" % args)
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return rc, stdout, stderr
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def main():
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module = AnsibleModule(
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argument_spec = dict(
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name = dict(required=True),
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state = dict(choices=['running', 'started', 'stopped', 'restarted', 'reloaded']),
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pattern = dict(required=False, default=None),
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enabled = dict(choices=BOOLEANS)
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)
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)
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name = module.params['name']
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state = module.params['state']
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pattern = module.params['pattern']
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enable = module.boolean(module.params.get('enabled', None))
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# Set PS options here if 'ps auxww' will not work on
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# target platform
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if platform.system() == 'SunOS':
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global PS_OPTIONS
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PS_OPTIONS = '-ef'
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# ===========================================
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# find binaries locations on minion
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_find_binaries(module)
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# ===========================================
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# get service status
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running = _get_service_status(name, pattern)
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# ===========================================
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# Some common variables
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changed = False
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rc = 0
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err = ''
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out = ''
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if module.params['enabled']:
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rc_enable, out_enable, err_enable = _do_enable(name, enable)
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rc += rc_enable
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out += out_enable
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err += err_enable
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if state and running == None:
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module.fail_json(msg="failed determining the current service state => state stays unchanged", changed=False)
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elif state:
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# a state change command has been requested
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# ===========================================
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# determine if we are going to change anything
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if not running and state in ["started", "running"]:
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changed = True
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elif running and state in ["stopped","reloaded"]:
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changed = True
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elif state == "restarted":
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changed = True
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# ===========================================
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# run change commands if we need to
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if changed:
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if state in ['started', 'running']:
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rc_state, stdout, stderr = _run("%s %s start" % (SERVICE, name))
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elif state == 'stopped':
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rc_state, stdout, stderr = _run("%s %s stop" % (SERVICE, name))
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elif state == 'reloaded':
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rc_state, stdout, stderr = _run("%s %s reload" % (SERVICE, name))
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elif state == 'restarted':
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rc1, stdout1, stderr1 = _run("%s %s stop" % (SERVICE, name))
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rc2, stdout2, stderr2 = _run("%s %s start" % (SERVICE, name))
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rc_state = rc + rc1 + rc2
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stdout = stdout1 + stdout2
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stderr = stderr1 + stderr2
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out += stdout
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err += stderr
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rc = rc + rc_state
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if rc != 0:
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module.fail_json(msg=err)
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result = {"changed": changed}
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if module.params['enabled']:
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result['enabled'] = module.params['enabled']
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if state:
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result['state'] = state
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rc, stdout, stderr = _run("%s %s status" % (SERVICE, name))
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module.exit_json(**result)
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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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