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#!/usr/bin/env python
# (c) 2012, Stephen Fromm <sfromm@gmail.com>
#
# 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/>.
try:
import json
except ImportError:
import simplejson as json
import os
import grp
import shlex
import subprocess
import sys
import syslog
GROUPADD = "/usr/sbin/groupadd"
GROUPDEL = "/usr/sbin/groupdel"
GROUPMOD = "/usr/sbin/groupmod"
def exit_json(rc=0, **kwargs):
if 'name' in kwargs:
add_group_info(kwargs)
print json.dumps(kwargs)
sys.exit(rc)
def fail_json(**kwargs):
kwargs['failed'] = True
exit_json(rc=1, **kwargs)
def add_group_info(kwargs):
name = kwargs['name']
if group_exists(name):
kwargs['state'] = 'present'
info = group_info(name)
kwargs['gid'] = info[2]
else:
kwargs['state'] = 'absent'
return kwargs
def group_del(group):
cmd = [GROUPDEL, group]
rc = subprocess.call(cmd, shell=False, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
if rc == 0:
return True
else:
return False
def group_add(group, **kwargs):
cmd = [GROUPADD]
for key in kwargs:
if key == 'gid' and kwargs[key] is not None:
cmd.append('-g')
cmd.append(kwargs[key])
elif key == 'system' and kwargs[key] == 'yes':
cmd.append('-r')
cmd.append(group)
rc = subprocess.call(cmd, shell=False, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
if rc == 0:
return True
else:
return False
def group_mod(group, **kwargs):
cmd = [GROUPMOD]
info = group_info(group)
for key in kwargs:
if key == 'gid':
if kwargs[key] is not None and info[2] != int(kwargs[key]):
cmd.append('-g')
cmd.append(kwargs[key])
if len(cmd) == 1:
return False
cmd.append(group)
rc = subprocess.call(cmd, shell=False, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
if rc == 0:
return True
else:
return False
def group_exists(group):
try:
if grp.getgrnam(group):
return True
except KeyError:
return False
def group_info(group):
if not group_exists(group):
return False
try:
info = list(grp.getgrnam(group))
except KeyError:
return False
return info
# ===========================================
if not os.path.exists(GROUPADD):
if os.path.exists("/sbin/groupadd"):
GROUPADD = "/sbin/groupadd"
else:
fail_json(msg="Cannot find groupadd")
if not os.path.exists(GROUPDEL):
if os.path.exists("/sbin/groupdel"):
GROUPDEL = "/sbin/groupdel"
else:
fail_json(msg="Cannot find groupdel")
if not os.path.exists(GROUPMOD):
if os.path.exists("/sbin/groupmod"):
GROUPDEL = "/sbin/groupmod"
else:
fail_json(msg="Cannot find groupmod")
if len(sys.argv) == 2 and os.path.exists(sys.argv[1]):
argfile = sys.argv[1]
args = open(argfile, 'r').read()
else:
args = ' '.join(sys.argv[1:])
items = shlex.split(args)
syslog.openlog('ansible-%s' % os.path.basename(__file__))
syslog.syslog(syslog.LOG_NOTICE, 'Invoked with %s' % args)
if not len(items):
fail_json(msg='the module requires arguments -a')
sys.exit(1)
params = {}
for x in items:
(k, v) = x.split("=")
params[k] = v
state = params.get('state','present')
name = params.get('name', None)
gid = params.get('gid', None)
system = params.get('system', 'no')
if state not in [ 'present', 'absent' ]:
fail_json(msg='invalid state')
if system not in ['yes', 'no']:
fail_json(msg='invalid system')
if name is None:
fail_json(msg='name is required')
changed = False
rc = 0
if state == 'absent':
if group_exists(name):
changed = group_del(name)
exit_json(name=name, changed=changed)
elif state == 'present':
if not group_exists(name):
changed = group_add(name, gid=gid, system=system)
else:
changed = group_mod(name, gid=gid)
exit_json(name=name, changed=changed)
fail_json(name=name, msg='Unexpected position reached')
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