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311 lines
11 KiB
Python
311 lines
11 KiB
Python
#!/usr/bin/python
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# (c) 2012, Stephen Fromm <sfromm@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 pwd
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import grp
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try:
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import spwd
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HAVE_SPWD=True
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except:
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HAVE_SPWD=False
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def get_bin_path(module, arg):
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if os.path.exists('/usr/sbin/%s' % arg):
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return '/usr/sbin/%s' % arg
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elif os.path.exists('/sbin/%s' % arg):
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return '/sbin/%s' % arg
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else:
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module.fail_json(msg="Cannot find %s" % arg)
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def user_del(module, user, **kwargs):
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cmd = [get_bin_path(module, 'userdel')]
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for key in kwargs:
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if key == 'force' and kwargs[key] == 'yes':
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cmd.append('-f')
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elif key == 'remove' and kwargs[key] == 'yes':
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cmd.append('-r')
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cmd.append(user)
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p = subprocess.Popen(cmd, shell=False, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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(out, err) = p.communicate()
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rc = p.returncode
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return (rc, out, err)
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def user_add(module, user, **kwargs):
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cmd = [get_bin_path(module, 'useradd')]
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for key in kwargs:
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if key == 'uid' and kwargs[key] is not None:
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cmd.append('-u')
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cmd.append(kwargs[key])
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elif key == 'group' and kwargs[key] is not None:
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if not group_exists(kwargs[key]):
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module.fail_json(msg="Group %s does not exist" % (kwargs[key]))
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cmd.append('-g')
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cmd.append(kwargs[key])
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elif key == 'groups' and kwargs[key] is not None:
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for g in kwargs[key].split(','):
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if not group_exists(g):
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module.fail_json(msg="Group %s does not exist" % (g))
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cmd.append('-G')
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cmd.append(kwargs[key])
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elif key == 'comment' and kwargs[key] is not None:
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cmd.append('-c')
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cmd.append(kwargs[key])
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elif key == 'home' and kwargs[key] is not None:
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cmd.append('-d')
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cmd.append(kwargs[key])
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elif key == 'shell' and kwargs[key] is not None:
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cmd.append('-s')
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cmd.append(kwargs[key])
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elif key == 'password' and kwargs[key] is not None:
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cmd.append('-p')
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cmd.append(kwargs[key])
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elif key == 'createhome':
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if kwargs[key] is not None:
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if kwargs[key] == 'yes':
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cmd.append('-m')
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else:
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cmd.append('-M')
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elif key == 'system' and kwargs[key] == 'yes':
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cmd.append('-r')
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cmd.append(user)
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p = subprocess.Popen(cmd, shell=False, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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(out, err) = p.communicate()
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rc = p.returncode
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return (rc, out, err)
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"""
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Without spwd, we would have to resort to reading /etc/shadow
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to get the encrypted string. For now, punt on idempotent password changes.
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"""
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def user_mod(module, user, **kwargs):
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cmd = [get_bin_path(module, 'usermod')]
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info = user_info(user)
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for key in kwargs:
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if key == 'uid':
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if kwargs[key] is not None and info[2] != int(kwargs[key]):
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cmd.append('-u')
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cmd.append(kwargs[key])
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elif key == 'group' and kwargs[key] is not None:
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if not group_exists(kwargs[key]):
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module.fail_json(msg="Group %s does not exist" % (kwargs[key]))
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ginfo = group_info(kwargs[key])
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if info[3] != ginfo[2]:
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cmd.append('-g')
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cmd.append(kwargs[key])
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elif key == 'groups' and kwargs[key] is not None:
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current_groups = user_group_membership(user)
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groups = kwargs[key].split(',')
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for g in groups:
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if not group_exists(g):
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module.fail_json(msg="Group %s does not exist" % (g))
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group_diff = set(sorted(current_groups)).symmetric_difference(set(sorted(groups)))
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groups_need_mod = False
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if group_diff:
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if kwargs['append'] is not None and kwargs['append'] == 'yes':
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for g in groups:
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if g in group_diff:
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cmd.append('-a')
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groups_need_mod = True
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else:
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groups_need_mod = True
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if groups_need_mod:
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cmd.append('-G')
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cmd.append(','.join(groups))
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elif key == 'comment':
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if kwargs[key] is not None and info[4] != kwargs[key]:
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cmd.append('-c')
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cmd.append(kwargs[key])
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elif key == 'home':
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if kwargs[key] is not None and info[5] != kwargs[key]:
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cmd.append('-d')
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cmd.append(kwargs[key])
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elif key == 'shell':
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if kwargs[key] is not None and info[6] != kwargs[key]:
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cmd.append('-s')
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cmd.append(kwargs[key])
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elif key == 'password':
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if kwargs[key] is not None and info[1] != kwargs[key]:
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cmd.append('-p')
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cmd.append(kwargs[key])
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# skip if no changes to be made
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if len(cmd) == 1:
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return (None, '', '')
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cmd.append(user)
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p = subprocess.Popen(cmd, shell=False, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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(out, err) = p.communicate()
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rc = p.returncode
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return (rc, out, err)
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def group_exists(group):
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try:
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if group.isdigit():
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if grp.getgrgid(group):
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return True
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else:
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if grp.getgrnam(group):
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return True
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except KeyError:
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return False
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def group_info(group):
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if not group_exists(group):
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return False
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if group.isdigit():
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return list(grp.getgrgid(group))
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else:
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return list(grp.getgrnam(group))
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def user_group_membership(user):
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groups = []
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info = get_pwd_info(user)
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for group in grp.getgrall():
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if user in group[3] and info[3] != group[2]:
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groups.append(group[0])
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return groups
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def user_exists(user):
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try:
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if pwd.getpwnam(user):
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return True
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except KeyError:
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return False
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def get_pwd_info(user):
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if not user_exists(user):
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return False
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return list(pwd.getpwnam(user))
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def user_info(user):
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if not user_exists(user):
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return False
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try:
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info = get_pwd_info(user)
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if HAVE_SPWD:
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sinfo = spwd.getspnam(user)
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except KeyError:
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return False
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if HAVE_SPWD:
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info[1] = sinfo[1]
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return info
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# ===========================================
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def main():
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module = AnsibleModule(
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argument_spec = dict(
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state=dict(default='present', choices=['present', 'absent']),
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name=dict(required=True),
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uid=dict(default=None),
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group=dict(default=None),
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groups=dict(default=None),
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comment=dict(default=None),
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home=dict(default=None),
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shell=dict(default=None),
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password=dict(default=None),
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# following options are specific to userdel
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force=dict(default='no', choices=['yes', 'no']),
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remove=dict(default='no', choices=['yes', 'no']),
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# following options are specific to useradd
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createhome=dict(default='yes', choices=['yes', 'no']),
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system=dict(default='no', choices=['yes', 'no']),
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# following options are specific to usermod
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append=dict(default='no', choices=['yes', 'no']),
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)
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)
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state = module.params['state']
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name = module.params['name']
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uid = module.params['uid']
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group = module.params['group']
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groups = module.params['groups']
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comment = module.params['comment']
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home = module.params['home']
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shell = module.params['shell']
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password = module.params['password']
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force = module.params['force']
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remove = module.params['remove']
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createhome = module.params['createhome']
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system = module.params['system']
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append = module.params['append']
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rc = None
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out = ''
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err = ''
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result = {}
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result['name'] = name
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result['state'] = state
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if state == 'absent':
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if user_exists(name):
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(rc, out, err) = user_del(module, name, force=force, remove=remove)
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if rc != 0:
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module.fail_json(name=name, msg=err, rc=rc)
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result['force'] = force
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result['remove'] = remove
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elif state == 'present':
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if not user_exists(name):
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(rc, out, err) = user_add(module,
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name, uid=uid, group=group, groups=groups,
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comment=comment, home=home, shell=shell,
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password=password, createhome=createhome,
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system=system)
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result['system'] = system
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result['createhome'] = createhome
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else:
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(rc, out, err) = user_mod(module,
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name, uid=uid, group=group, groups=groups,
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comment=comment, home=home, shell=shell,
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password=password, append=append)
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result['append'] = append
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if rc is not None and rc != 0:
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module.fail_json(name=name, msg=err, rc=rc)
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if password is not None:
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result['password'] = 'NOT_LOGGING_PASSWORD'
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if rc is None:
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result['changed'] = False
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else:
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result['changed'] = True
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if out:
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result['stdout'] = out
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if err:
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result['stderr'] = err
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if user_exists(name):
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info = user_info(name)
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if info == False:
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result['msg'] = "failed to look up user name: %s" % name
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result['failed'] = True
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result['uid'] = info[2]
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result['group'] = info[3]
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result['comment'] = info[4]
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result['home'] = info[5]
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result['shell'] = info[6]
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groups = user_group_membership(name)
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result['uid'] = info[2]
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if len(groups) > 0:
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result['groups'] = groups
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module.exit_json(**result)
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# include magic from lib/ansible/module_common.py
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#<<INCLUDE_ANSIBLE_MODULE_COMMON>>
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main()
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