mirror of
https://github.com/ansible-collections/community.general.git
synced 2024-09-14 20:13:21 +02:00
559 lines
19 KiB
Python
Executable file
559 lines
19 KiB
Python
Executable file
#!/usr/bin/python
|
|
# -*- coding: utf-8 -*-
|
|
|
|
# (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/>.
|
|
|
|
DOCUMENTATION = '''
|
|
---
|
|
module: user
|
|
author: Stephen Fromm
|
|
version_added: 0.2
|
|
short_description: Manage user accounts
|
|
requirements: [ useradd, userdel, usermod ]
|
|
description:
|
|
- Manage user accounts and user attributes.
|
|
options:
|
|
name:
|
|
required: true
|
|
aliases: [ "user" ]
|
|
description:
|
|
- Name of the user to create, remove or modify.
|
|
comment:
|
|
required: false
|
|
description:
|
|
- Optionally sets the description (aka I(GECOS)) of user account.
|
|
uid:
|
|
required: false
|
|
description:
|
|
- Optionally sets the I(UID) of the user.
|
|
group:
|
|
required: false
|
|
description:
|
|
- Optionally sets the user's primary group (takes a group name).
|
|
groups:
|
|
required: false
|
|
description:
|
|
- Puts the user in this comma-delimited list of groups.
|
|
append:
|
|
required: false
|
|
description:
|
|
- If I(yes), will only add groups, not set them to just the list
|
|
in I(groups).
|
|
shell:
|
|
required: false
|
|
description:
|
|
- Optionally set the user's shell.
|
|
home:
|
|
required: false
|
|
description:
|
|
- Optionally set the user's home directory.
|
|
password:
|
|
required: false
|
|
description:
|
|
- Optionally set the user's password to this crypted value. See
|
|
the user example in the github examples directory for what this looks
|
|
like in a playbook.
|
|
state:
|
|
required: false
|
|
default: "present"
|
|
choices: [ present, absent ]
|
|
description:
|
|
- Whether the account should exist. When I(absent), removes
|
|
the user account.
|
|
createhome:
|
|
required: false
|
|
default: "yes"
|
|
choices: [ yes, no ]
|
|
description:
|
|
- Unless set to I(no), a home directory will be made for the user
|
|
when the account is created.
|
|
system:
|
|
required: false
|
|
default: "no"
|
|
choices: [ yes, no ]
|
|
description:
|
|
- When creating an account, setting this to I(yes) makes the user a
|
|
system account. This setting cannot be changed on existing users.
|
|
force:
|
|
required: false
|
|
default: "no"
|
|
choices: [ yes, no ]
|
|
description:
|
|
- When used with I(state=absent), behavior is as with
|
|
I(userdel --force).
|
|
remove:
|
|
required: false
|
|
default: "no"
|
|
choices: [ yes, no ]
|
|
description:
|
|
- When used with I(state=absent), behavior is as with
|
|
I(userdel --remove).
|
|
ssh_key:
|
|
required: false
|
|
choices: [ generate ]
|
|
version_added: "0.9"
|
|
description:
|
|
- Whether to generate a SSH key for the user in question.
|
|
This will B(not) overwrite an existing SSH key.
|
|
ssh_key_bits:
|
|
required: false
|
|
default: 2048
|
|
version_added: "0.9"
|
|
description:
|
|
- Optionally specify number of bits in SSH key to create.
|
|
ssh_key_type:
|
|
required: false
|
|
default: rsa
|
|
version_added: "0.9"
|
|
description:
|
|
- Optionally specify the tyep of SSH key to generate.
|
|
Available SSH key types will depend on implementation
|
|
present on target host.
|
|
ssh_key_file:
|
|
required: false
|
|
default: $HOME/.ssh/id_rsa
|
|
version_added: "0.9"
|
|
description:
|
|
- Optionally specify the SSH key filename.
|
|
ssh_key_comment:
|
|
required: false
|
|
default: ansible-generated
|
|
version_added: "0.9"
|
|
description:
|
|
- Optionally define the comment for the SSH key.
|
|
ssh_key_passphrase:
|
|
required: false
|
|
version_added: "0.9"
|
|
description:
|
|
- Set a passphrase for the SSH key. If no
|
|
passphrase is provided, the SSH key will default to
|
|
having no passphrase.
|
|
examples:
|
|
- code: 'user: name=johnd comment="John Doe" uid=1040'
|
|
description: "Add the user 'johnd' with a specific uid and a primary group of 'admin'"
|
|
- code: "user: name=johnd state=absent remove=yes"
|
|
description: "Remove the user 'johnd'"
|
|
- code: 'user: name=jsmith ssh_key=generate ssh_key_bits=2048'
|
|
description: "Create a 2048-bit SSH key for user jsmith"
|
|
'''
|
|
|
|
import os
|
|
import pwd
|
|
import grp
|
|
try:
|
|
import spwd
|
|
HAVE_SPWD=True
|
|
except:
|
|
HAVE_SPWD=False
|
|
|
|
SHADOWFILE = '/etc/shadow'
|
|
if os.path.exists('/etc/master.passwd'):
|
|
SHADOWFILE = '/etc/master.passwd' # FreeBSD passwd
|
|
# Note: while the above has the correct location for where
|
|
# encrypted passwords are stored on FreeBSD, the code below doesn't
|
|
# invoke adduser in lieu of useradd, nor pw in lieu of usermod.
|
|
# That is, this won't work on FreeBSD.
|
|
|
|
def user_del(module, user, **kwargs):
|
|
cmd = [module.get_bin_path('userdel', True)]
|
|
for key in kwargs:
|
|
if key == 'force' and module.boolean(kwargs[key]):
|
|
cmd.append('-f')
|
|
elif key == 'remove' and module.boolean(kwargs[key]):
|
|
cmd.append('-r')
|
|
cmd.append(user)
|
|
p = subprocess.Popen(cmd, shell=False, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
|
|
(out, err) = p.communicate()
|
|
rc = p.returncode
|
|
return (rc, out, err)
|
|
|
|
def user_add(module, user, **kwargs):
|
|
cmd = [module.get_bin_path('useradd', True)]
|
|
for key in kwargs:
|
|
if key == 'uid' and kwargs[key] is not None:
|
|
cmd.append('-u')
|
|
cmd.append(kwargs[key])
|
|
elif key == 'group' and kwargs[key] is not None:
|
|
if not group_exists(kwargs[key]):
|
|
module.fail_json(msg="Group %s does not exist" % (kwargs[key]))
|
|
cmd.append('-g')
|
|
cmd.append(kwargs[key])
|
|
elif key == 'groups' and kwargs[key] is not None:
|
|
for g in kwargs[key].split(','):
|
|
if not group_exists(g):
|
|
module.fail_json(msg="Group %s does not exist" % (g))
|
|
cmd.append('-G')
|
|
cmd.append(kwargs[key])
|
|
elif key == 'comment' and kwargs[key] is not None:
|
|
cmd.append('-c')
|
|
cmd.append(kwargs[key])
|
|
elif key == 'home' and kwargs[key] is not None:
|
|
cmd.append('-d')
|
|
cmd.append(kwargs[key])
|
|
elif key == 'shell' and kwargs[key] is not None:
|
|
cmd.append('-s')
|
|
cmd.append(kwargs[key])
|
|
elif key == 'password' and kwargs[key] is not None:
|
|
cmd.append('-p')
|
|
cmd.append(kwargs[key])
|
|
elif key == 'createhome':
|
|
if kwargs[key] is not None:
|
|
value = module.boolean(kwargs[key])
|
|
if value:
|
|
cmd.append('-m')
|
|
else:
|
|
cmd.append('-M')
|
|
elif key == 'system' and module.boolean(kwargs[key]):
|
|
cmd.append('-r')
|
|
cmd.append(user)
|
|
p = subprocess.Popen(cmd, shell=False, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
|
|
(out, err) = p.communicate()
|
|
rc = p.returncode
|
|
return (rc, out, err)
|
|
|
|
"""
|
|
Without spwd, we would have to resort to reading /etc/shadow
|
|
to get the encrypted string. For now, punt on idempotent password changes.
|
|
"""
|
|
def user_mod(module, user, **kwargs):
|
|
cmd = [module.get_bin_path('usermod', True)]
|
|
info = user_info(user)
|
|
for key in kwargs:
|
|
if key == 'uid':
|
|
if kwargs[key] is not None and info[2] != int(kwargs[key]):
|
|
cmd.append('-u')
|
|
cmd.append(kwargs[key])
|
|
elif key == 'group' and kwargs[key] is not None:
|
|
if not group_exists(kwargs[key]):
|
|
module.fail_json(msg="Group %s does not exist" % (kwargs[key]))
|
|
ginfo = group_info(kwargs[key])
|
|
if info[3] != ginfo[2]:
|
|
cmd.append('-g')
|
|
cmd.append(kwargs[key])
|
|
elif key == 'groups' and kwargs[key] is not None:
|
|
current_groups = user_group_membership(user)
|
|
groups = kwargs[key].split(',')
|
|
for g in groups:
|
|
if not group_exists(g):
|
|
module.fail_json(msg="Group %s does not exist" % (g))
|
|
group_diff = set(sorted(current_groups)).symmetric_difference(set(sorted(groups)))
|
|
groups_need_mod = False
|
|
|
|
if group_diff:
|
|
if kwargs['append'] is not None and module.boolean(kwargs['append']):
|
|
for g in groups:
|
|
if g in group_diff:
|
|
cmd.append('-a')
|
|
groups_need_mod = True
|
|
else:
|
|
groups_need_mod = True
|
|
|
|
if groups_need_mod:
|
|
cmd.append('-G')
|
|
cmd.append(','.join(groups))
|
|
|
|
elif key == 'comment':
|
|
if kwargs[key] is not None and info[4] != kwargs[key]:
|
|
cmd.append('-c')
|
|
cmd.append(kwargs[key])
|
|
elif key == 'home':
|
|
if kwargs[key] is not None and info[5] != kwargs[key]:
|
|
cmd.append('-d')
|
|
cmd.append(kwargs[key])
|
|
elif key == 'shell':
|
|
if kwargs[key] is not None and info[6] != kwargs[key]:
|
|
cmd.append('-s')
|
|
cmd.append(kwargs[key])
|
|
elif key == 'password':
|
|
if kwargs[key] is not None and info[1] != kwargs[key]:
|
|
cmd.append('-p')
|
|
cmd.append(kwargs[key])
|
|
# skip if no changes to be made
|
|
if len(cmd) == 1:
|
|
return (None, '', '')
|
|
cmd.append(user)
|
|
p = subprocess.Popen(cmd, shell=False, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
|
|
(out, err) = p.communicate()
|
|
rc = p.returncode
|
|
return (rc, out, err)
|
|
|
|
def group_exists(group):
|
|
try:
|
|
if group.isdigit():
|
|
if grp.getgrgid(group):
|
|
return True
|
|
else:
|
|
if grp.getgrnam(group):
|
|
return True
|
|
except KeyError:
|
|
return False
|
|
|
|
def group_info(group):
|
|
if not group_exists(group):
|
|
return False
|
|
if group.isdigit():
|
|
return list(grp.getgrgid(group))
|
|
else:
|
|
return list(grp.getgrnam(group))
|
|
|
|
def user_group_membership(user):
|
|
groups = []
|
|
info = get_pwd_info(user)
|
|
for group in grp.getgrall():
|
|
if user in group[3] and info[3] != group[2]:
|
|
groups.append(group[0])
|
|
return groups
|
|
|
|
def user_exists(user):
|
|
try:
|
|
if pwd.getpwnam(user):
|
|
return True
|
|
except KeyError:
|
|
return False
|
|
|
|
def get_pwd_info(user):
|
|
if not user_exists(user):
|
|
return False
|
|
return list(pwd.getpwnam(user))
|
|
|
|
def user_info(user):
|
|
if not user_exists(user):
|
|
return False
|
|
info = get_pwd_info(user)
|
|
if len(info[1]) == 1 or len(info[1]) == 0:
|
|
info[1] = user_password(user)
|
|
return info
|
|
|
|
def user_password(user):
|
|
passwd = ''
|
|
if not user_exists(user):
|
|
return passwd
|
|
if HAVE_SPWD:
|
|
try:
|
|
passwd = spwd.getspnam(user)[1]
|
|
except KeyError:
|
|
return passwd
|
|
else:
|
|
# Read shadow file for user's encrypted password string
|
|
if os.path.exists(SHADOWFILE) and os.access(SHADOWFILE, os.R_OK):
|
|
for line in open(SHADOWFILE).readlines():
|
|
if line.startswith('%s:' % user):
|
|
passwd = line.split(':')[1]
|
|
return passwd
|
|
|
|
def get_ssh_key_path(user, ssh_file):
|
|
info = user_info(user)
|
|
if os.path.isabs(ssh_file):
|
|
ssh_key_file = ssh_file
|
|
else:
|
|
ssh_key_file = os.path.join(info[5], ssh_file)
|
|
return ssh_key_file
|
|
|
|
def ssh_key_gen(module, user, ssh):
|
|
info = user_info(user)
|
|
if not os.path.exists(info[5]):
|
|
return (1, '', 'User %s home directory does not exist' % user)
|
|
ssh_key_file = get_ssh_key_path(user, ssh['file'])
|
|
ssh_dir = os.path.dirname(ssh_key_file)
|
|
if not os.path.exists(ssh_dir):
|
|
try:
|
|
os.mkdir(ssh_dir, 0700)
|
|
except OSError, e:
|
|
return (1, '', 'Failed to create %s: %s' % (ssh_dir, str(e)))
|
|
if os.path.exists(ssh_key_file):
|
|
return (None, 'Key already exists', '')
|
|
cmd = [module.get_bin_path('ssh-keygen', True)]
|
|
for key in ssh:
|
|
if key == 'type' and ssh[key] is not None:
|
|
cmd.append('-t')
|
|
cmd.append(ssh[key])
|
|
elif key == 'bits' and ssh[key] is not None:
|
|
cmd.append('-b')
|
|
cmd.append(ssh[key])
|
|
elif key == 'comment' and ssh[key] is not None:
|
|
cmd.append('-C')
|
|
cmd.append(ssh[key])
|
|
elif key == 'file' and ssh[key] is not None:
|
|
cmd.append('-f')
|
|
cmd.append(ssh_key_file)
|
|
elif key == 'passphrase':
|
|
cmd.append('-N')
|
|
if ssh[key] is not None:
|
|
cmd.append(ssh['passphrase'])
|
|
else:
|
|
cmd.append('')
|
|
p = subprocess.Popen(cmd, shell=False, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
|
|
(out, err) = p.communicate()
|
|
rc = p.returncode
|
|
return (rc, out, err)
|
|
|
|
def ssh_key_fingerprint(module, user, ssh):
|
|
ssh_key_file = get_ssh_key_path(user, ssh['file'])
|
|
if not os.path.exists(ssh_key_file):
|
|
return (1, 'SSH Key file %s does not exist' % ssh_key_file, '')
|
|
cmd = [module.get_bin_path('ssh-keygen', True)]
|
|
cmd.append('-l')
|
|
cmd.append('-f')
|
|
cmd.append(ssh_key_file)
|
|
p = subprocess.Popen(cmd, shell=False, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
|
|
(out, err) = p.communicate()
|
|
rc = p.returncode
|
|
return (rc, out, err)
|
|
|
|
|
|
|
|
# ===========================================
|
|
|
|
def main():
|
|
ssh_defaults = {
|
|
'bits': '2048',
|
|
'type': 'rsa',
|
|
'passphrase': None,
|
|
'comment': 'ansible-generated'
|
|
}
|
|
ssh_defaults['file'] = os.path.join('.ssh', 'id_%s' % ssh_defaults['type'])
|
|
ssh = dict(ssh_defaults)
|
|
module = AnsibleModule(
|
|
argument_spec = dict(
|
|
state=dict(default='present', choices=['present', 'absent']),
|
|
name=dict(required=True, aliases=['user']),
|
|
uid=dict(default=None),
|
|
group=dict(default=None),
|
|
groups=dict(default=None),
|
|
comment=dict(default=None),
|
|
home=dict(default=None),
|
|
shell=dict(default=None),
|
|
password=dict(default=None),
|
|
# following options are specific to userdel
|
|
force=dict(default='no', choices=BOOLEANS),
|
|
remove=dict(default='no', choices=BOOLEANS),
|
|
# following options are specific to useradd
|
|
createhome=dict(default='yes', choices=BOOLEANS),
|
|
system=dict(default='no', choices=BOOLEANS),
|
|
# following options are specific to usermod
|
|
append=dict(default='no', choices=BOOLEANS),
|
|
# following are specific to ssh key generation
|
|
ssh_key=dict(choices=['generate']),
|
|
ssh_key_bits=dict(default=ssh_defaults['bits']),
|
|
ssh_key_type=dict(default=ssh_defaults['type']),
|
|
ssh_key_file=dict(default=ssh_defaults['file']),
|
|
ssh_key_comment=dict(default=ssh_defaults['comment']),
|
|
ssh_key_passphrase=dict(default=None)
|
|
)
|
|
)
|
|
|
|
state = module.params['state']
|
|
name = module.params['name']
|
|
uid = module.params['uid']
|
|
group = module.params['group']
|
|
groups = module.params['groups']
|
|
comment = module.params['comment']
|
|
home = module.params['home']
|
|
shell = module.params['shell']
|
|
password = module.params['password']
|
|
force = module.params['force']
|
|
remove = module.params['remove']
|
|
createhome = module.params['createhome']
|
|
system = module.params['system']
|
|
append = module.params['append']
|
|
sshkeygen = module.params['ssh_key']
|
|
|
|
ssh['bits'] = module.params['ssh_key_bits']
|
|
ssh['type'] = module.params['ssh_key_type']
|
|
ssh['file'] = module.params['ssh_key_file']
|
|
ssh['comment'] = module.params['ssh_key_comment']
|
|
ssh['passphrase'] = module.params['ssh_key_passphrase']
|
|
# If using default filename, make sure it is named appropriately
|
|
if ssh['file'] == ssh_defaults['file']:
|
|
ssh['file'] = os.path.join('.ssh', 'id_%s' % ssh_defaults['type'])
|
|
|
|
|
|
rc = None
|
|
out = ''
|
|
err = ''
|
|
result = {}
|
|
result['name'] = name
|
|
result['state'] = state
|
|
if state == 'absent':
|
|
if user_exists(name):
|
|
(rc, out, err) = user_del(module, name, force=force, remove=remove)
|
|
if rc != 0:
|
|
module.fail_json(name=name, msg=err, rc=rc)
|
|
result['force'] = force
|
|
result['remove'] = remove
|
|
elif state == 'present':
|
|
if not user_exists(name):
|
|
(rc, out, err) = user_add(module,
|
|
name, uid=uid, group=group, groups=groups,
|
|
comment=comment, home=home, shell=shell,
|
|
password=password, createhome=createhome,
|
|
system=system)
|
|
result['system'] = system
|
|
result['createhome'] = createhome
|
|
else:
|
|
(rc, out, err) = user_mod(module,
|
|
name, uid=uid, group=group, groups=groups,
|
|
comment=comment, home=home, shell=shell,
|
|
password=password, append=append)
|
|
result['append'] = append
|
|
if rc is not None and rc != 0:
|
|
module.fail_json(name=name, msg=err, rc=rc)
|
|
if password is not None:
|
|
result['password'] = 'NOT_LOGGING_PASSWORD'
|
|
|
|
if rc is None:
|
|
result['changed'] = False
|
|
else:
|
|
result['changed'] = True
|
|
if out:
|
|
result['stdout'] = out
|
|
if err:
|
|
result['stderr'] = err
|
|
if user_exists(name):
|
|
info = user_info(name)
|
|
if info == False:
|
|
result['msg'] = "failed to look up user name: %s" % name
|
|
result['failed'] = True
|
|
result['uid'] = info[2]
|
|
result['group'] = info[3]
|
|
result['comment'] = info[4]
|
|
result['home'] = info[5]
|
|
result['shell'] = info[6]
|
|
groups = user_group_membership(name)
|
|
result['uid'] = info[2]
|
|
if len(groups) > 0:
|
|
result['groups'] = groups
|
|
if sshkeygen:
|
|
(rc, out, err) = ssh_key_gen(module, name, ssh)
|
|
if rc is not None and rc != 0:
|
|
module.fail_json(name=name, msg=err, rc=rc)
|
|
if rc == 0:
|
|
result['changed'] = True
|
|
(rc, out, err) = ssh_key_fingerprint(module, name, ssh)
|
|
if rc == 0:
|
|
result['ssh_fingerprint'] = out.strip()
|
|
else:
|
|
result['ssh_fingerprint'] = err.strip()
|
|
result['ssh_key_file'] = get_ssh_key_path(name, ssh['file'])
|
|
|
|
|
|
module.exit_json(**result)
|
|
|
|
# include magic from lib/ansible/module_common.py
|
|
#<<INCLUDE_ANSIBLE_MODULE_COMMON>>
|
|
main()
|