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pw_user.py
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pw_user.py
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# -*- coding: utf-8 -*-
'''
Manage users with the useradd command
'''
# Import python libs
try:
import pwd
except ImportError:
pass
import logging
import copy
# Import salt libs
import salt.utils
from salt.ext.six import string_types
from salt.exceptions import CommandExecutionError
log = logging.getLogger(__name__)
# Define the module's virtual name
__virtualname__ = 'user'
def __virtual__():
'''
Set the user module if the kernel is FreeBSD
'''
return __virtualname__ if __grains__['kernel'] == 'FreeBSD' else False
def _get_gecos(name):
'''
Retrieve GECOS field info and return it in dictionary form
'''
gecos_field = pwd.getpwnam(name).pw_gecos.split(',', 3)
if not gecos_field:
return {}
else:
# Assign empty strings for any unspecified trailing GECOS fields
while len(gecos_field) < 4:
gecos_field.append('')
return {'fullname': str(gecos_field[0]),
'roomnumber': str(gecos_field[1]),
'workphone': str(gecos_field[2]),
'homephone': str(gecos_field[3])}
def _build_gecos(gecos_dict):
'''
Accepts a dictionary entry containing GECOS field names and their values,
and returns a full GECOS comment string, to be used with pw usermod.
'''
return '{0},{1},{2},{3}'.format(gecos_dict.get('fullname', ''),
gecos_dict.get('roomnumber', ''),
gecos_dict.get('workphone', ''),
gecos_dict.get('homephone', ''))
def add(name,
uid=None,
gid=None,
groups=None,
home=None,
shell=None,
unique=True,
fullname='',
roomnumber='',
workphone='',
homephone='',
createhome=True,
**kwargs):
'''
Add a user to the minion
CLI Example:
.. code-block:: bash
salt '*' user.add name <uid> <gid> <groups> <home> <shell>
'''
kwargs = salt.utils.clean_kwargs(**kwargs)
if salt.utils.is_true(kwargs.pop('system', False)):
log.warning('pw_user module does not support the \'system\' argument')
if kwargs:
log.warning('Invalid kwargs passed to user.add')
if isinstance(groups, string_types):
groups = groups.split(',')
cmd = 'pw useradd '
if uid:
cmd += '-u {0} '.format(uid)
if gid:
cmd += '-g {0} '.format(gid)
if groups:
cmd += '-G {0} '.format(','.join(groups))
if home is not None:
cmd += '-d {0} '.format(home)
if createhome is True:
cmd += '-m '
if shell:
cmd += '-s {0} '.format(shell)
if not salt.utils.is_true(unique):
cmd += '-o '
gecos_field = '{0},{1},{2},{3}'.format(fullname,
roomnumber,
workphone,
homephone)
cmd += '-c "{0}" '.format(gecos_field)
cmd += '-n {0}'.format(name)
ret = __salt__['cmd.run_all'](cmd, python_shell=False)
return not ret['retcode']
def delete(name, remove=False, force=False):
'''
Remove a user from the minion
CLI Example:
.. code-block:: bash
salt '*' user.delete name remove=True force=True
'''
if salt.utils.is_true(force):
log.error('pw userdel does not support force-deleting user while '
'user is logged in')
cmd = 'pw userdel '
if remove:
cmd += '-r '
cmd += '-n ' + name
ret = __salt__['cmd.run_all'](cmd, python_shell=False)
return not ret['retcode']
def getent(refresh=False):
'''
Return the list of all info for all users
CLI Example:
.. code-block:: bash
salt '*' user.getent
'''
if 'user.getent' in __context__ and not refresh:
return __context__['user.getent']
ret = []
for data in pwd.getpwall():
ret.append(info(data.pw_name))
__context__['user.getent'] = ret
return ret
def chuid(name, uid):
'''
Change the uid for a named user
CLI Example:
.. code-block:: bash
salt '*' user.chuid foo 4376
'''
pre_info = info(name)
if uid == pre_info['uid']:
return True
cmd = 'pw usermod -u {0} -n {1}'.format(uid, name)
__salt__['cmd.run'](cmd, python_shell=False)
post_info = info(name)
if post_info['uid'] != pre_info['uid']:
return post_info['uid'] == uid
return False
def chgid(name, gid):
'''
Change the default group of the user
CLI Example:
.. code-block:: bash
salt '*' user.chgid foo 4376
'''
pre_info = info(name)
if gid == pre_info['gid']:
return True
cmd = 'pw usermod -g {0} -n {1}'.format(gid, name)
__salt__['cmd.run'](cmd, python_shell=False)
post_info = info(name)
if post_info['gid'] != pre_info['gid']:
return post_info['gid'] == gid
return False
def chshell(name, shell):
'''
Change the default shell of the user
CLI Example:
.. code-block:: bash
salt '*' user.chshell foo /bin/zsh
'''
pre_info = info(name)
if shell == pre_info['shell']:
return True
cmd = 'pw usermod -s {0} -n {1}'.format(shell, name)
__salt__['cmd.run'](cmd, python_shell=False)
post_info = info(name)
if post_info['shell'] != pre_info['shell']:
return post_info['shell'] == shell
return False
def chhome(name, home, persist=False):
'''
Change the home directory of the user, pass true for persist to copy files
to the new home dir
CLI Example:
.. code-block:: bash
salt '*' user.chhome foo /home/users/foo True
'''
pre_info = info(name)
if home == pre_info['home']:
return True
cmd = 'pw usermod {0} -d {1}'.format(name, home)
if persist:
cmd += ' -m '
__salt__['cmd.run'](cmd, python_shell=False)
post_info = info(name)
if post_info['home'] != pre_info['home']:
return post_info['home'] == home
return False
def chgroups(name, groups, append=False):
'''
Change the groups this user belongs to, add append to append the specified
groups
CLI Example:
.. code-block:: bash
salt '*' user.chgroups foo wheel,root True
'''
if isinstance(groups, string_types):
groups = groups.split(',')
ugrps = set(list_groups(name))
if ugrps == set(groups):
return True
if append:
groups += ugrps
cmd = 'pw usermod -G {0} -n {1}'.format(','.join(groups), name)
return not __salt__['cmd.retcode'](cmd, python_shell=False)
def chfullname(name, fullname):
'''
Change the user's Full Name
CLI Example:
.. code-block:: bash
salt '*' user.chfullname foo "Foo Bar"
'''
fullname = str(fullname)
pre_info = _get_gecos(name)
if not pre_info:
return False
if fullname == pre_info['fullname']:
return True
gecos_field = copy.deepcopy(pre_info)
gecos_field['fullname'] = fullname
cmd = 'pw usermod {0} -c "{1}"'.format(name, _build_gecos(gecos_field))
__salt__['cmd.run'](cmd, python_shell=False)
post_info = info(name)
if post_info['fullname'] != pre_info['fullname']:
return post_info['fullname'] == fullname
return False
def chroomnumber(name, roomnumber):
'''
Change the user's Room Number
CLI Example:
.. code-block:: bash
salt '*' user.chroomnumber foo 123
'''
roomnumber = str(roomnumber)
pre_info = _get_gecos(name)
if not pre_info:
return False
if roomnumber == pre_info['roomnumber']:
return True
gecos_field = copy.deepcopy(pre_info)
gecos_field['roomnumber'] = roomnumber
cmd = 'pw usermod {0} -c "{1}"'.format(name, _build_gecos(gecos_field))
__salt__['cmd.run'](cmd, python_shell=False)
post_info = info(name)
if post_info['roomnumber'] != pre_info['roomnumber']:
return post_info['roomnumber'] == roomnumber
return False
def chworkphone(name, workphone):
'''
Change the user's Work Phone
CLI Example:
.. code-block:: bash
salt '*' user.chworkphone foo "7735550123"
'''
workphone = str(workphone)
pre_info = _get_gecos(name)
if not pre_info:
return False
if workphone == pre_info['workphone']:
return True
gecos_field = copy.deepcopy(pre_info)
gecos_field['workphone'] = workphone
cmd = 'pw usermod {0} -c "{1}"'.format(name, _build_gecos(gecos_field))
__salt__['cmd.run'](cmd, python_shell=False)
post_info = info(name)
if post_info['workphone'] != pre_info['workphone']:
return post_info['workphone'] == workphone
return False
def chhomephone(name, homephone):
'''
Change the user's Home Phone
CLI Example:
.. code-block:: bash
salt '*' user.chhomephone foo "7735551234"
'''
homephone = str(homephone)
pre_info = _get_gecos(name)
if not pre_info:
return False
if homephone == pre_info['homephone']:
return True
gecos_field = copy.deepcopy(pre_info)
gecos_field['homephone'] = homephone
cmd = 'pw usermod {0} -c "{1}"'.format(name, _build_gecos(gecos_field))
__salt__['cmd.run'](cmd, python_shell=False)
post_info = info(name)
if post_info['homephone'] != pre_info['homephone']:
return post_info['homephone'] == homephone
return False
def info(name):
'''
Return user information
CLI Example:
.. code-block:: bash
salt '*' user.info root
'''
ret = {}
try:
data = pwd.getpwnam(name)
ret['gid'] = data.pw_gid
ret['groups'] = list_groups(name)
ret['home'] = data.pw_dir
ret['name'] = data.pw_name
ret['passwd'] = data.pw_passwd
ret['shell'] = data.pw_shell
ret['uid'] = data.pw_uid
# Put GECOS info into a list
gecos_field = data.pw_gecos.split(',', 3)
# Assign empty strings for any unspecified GECOS fields
while len(gecos_field) < 4:
gecos_field.append('')
ret['fullname'] = gecos_field[0]
ret['roomnumber'] = gecos_field[1]
ret['workphone'] = gecos_field[2]
ret['homephone'] = gecos_field[3]
except KeyError:
return {}
return ret
def list_groups(name):
'''
Return a list of groups the named user belongs to
CLI Example:
.. code-block:: bash
salt '*' user.list_groups foo
'''
return salt.utils.get_group_list(name)
def list_users():
'''
Return a list of all users
CLI Example:
.. code-block:: bash
salt '*' user.list_users
'''
return sorted([user.pw_name for user in pwd.getpwall()])
def rename(name, new_name):
'''
Change the username for a named user
CLI Example:
.. code-block:: bash
salt '*' user.rename name new_name
'''
current_info = info(name)
if not current_info:
raise CommandExecutionError('User {0!r} does not exist'.format(name))
new_info = info(new_name)
if new_info:
raise CommandExecutionError('User {0!r} already exists'.format(new_name))
cmd = 'pw usermod -l {0} -n {1}'.format(new_name, name)
__salt__['cmd.run'](cmd)
post_info = info(new_name)
if post_info['name'] != current_info['name']:
return post_info['name'] == new_name
return False