161 lines
4.4 KiB
Python
Executable file
161 lines
4.4 KiB
Python
Executable file
#!/usr/bin/python
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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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try:
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import json
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except ImportError:
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import simplejson as json
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import sys
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import shlex
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import subprocess
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# TODO: switch to fail_json and other helper functions
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# like other modules are using
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# ===========================================
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SERVICE = '/sbin/service'
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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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argfile = sys.argv[1]
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args = open(argfile, 'r').read()
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items = shlex.split(args)
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if not len(items):
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print json.dumps(dict(failed=True, msg='this module requires arguments (-a)'))
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sys.exit(1)
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params = {}
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for arg in items:
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if "=" not in arg:
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print json.dumps(dict(failed=True, msg='expected key=value format arguments'))
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sys.exit(1)
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(name, value) = arg.split("=")
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params[name] = value
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name = params.get('name', None)
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if name is None:
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print json.dumps(dict(failed=True, msg='missing name'))
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sys.exit(1)
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state = params.get('state', None)
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list_items = params.get('list', None)
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# running and started are the same
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if state and state not in [ 'running', 'started', 'stopped', 'restarted' ]:
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print json.dumps(dict(failed=True, msg='invalid value for state'))
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sys.exit(1)
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if list_items and list_items not in [ 'status' ]:
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print json.dumps(dict(failed=True, msg='invalid value for list'))
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sys.exit(1)
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# ===========================================
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# get service status
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rc, status_stdout, status_stderr = _run("%s %s status" % (SERVICE, name))
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status = status_stdout + status_stderr
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running = False
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if status_stdout.find("not running") != -1:
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running = False
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elif status_stdout.find("running") != -1:
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running = True
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elif 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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if 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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changed = False
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if not running and state == "started":
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changed = True
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elif running and state == "stopped":
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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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rc = 0
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if changed:
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if state in ('started', 'running'):
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rc, stdout, stderr = _run("%s %s start" % (SERVICE, name))
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elif state == 'stopped':
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rc, stdout, stderr = _run("%s %s stop" % (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 = rc1 and rc2
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stdout = stdout1 + stdout2
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stderr = stderr1 + stderr2
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if rc != 0:
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print json.dumps({
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"failed" : 1,
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"rc" : rc,
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})
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print >> sys.stderr, stdout + stderr
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sys.exit(1)
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# ===============================================
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# success
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result = {"changed": changed}
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rc, stdout, stderr = _run("%s %s status" % (SERVICE, name))
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if list_items and list_items in [ 'status' ]:
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result['status'] = stdout
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print json.dumps(result)
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elif list_items is not None:
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# solo list=status mode, don't change anything, just return
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# suitable for /usr/bin/ansible usage or API, playbooks
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# not so much
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print json.dumps({
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"status" : status
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})
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else:
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print json.dumps(dict(failed=True, msg="expected state or list parameters"))
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sys.exit(0)
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