mirror of
https://github.com/ansible-collections/community.general.git
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651 lines
25 KiB
Python
651 lines
25 KiB
Python
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#!/usr/bin/python
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# -*- coding: utf-8 -*-
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# (c) 2022, James Livulpi
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# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
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from __future__ import absolute_import, division, print_function
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__metaclass__ = type
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DOCUMENTATION = '''
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---
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module: homectl
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author:
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- "James Livulpi (@jameslivulpi)"
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short_description: Manage user accounts with systemd-homed
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version_added: 4.4.0
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description:
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- Manages a user's home directory managed by systemd-homed.
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options:
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name:
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description:
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- The user name to create, remove, or update.
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required: true
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aliases: [ 'user', 'username' ]
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type: str
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password:
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description:
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- Set the user's password to this.
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- Homed requires this value to be in cleartext on user creation and updating a user.
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- The module takes the password and generates a password hash in SHA-512 with 10000 rounds of salt generation using crypt.
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- See U(https://systemd.io/USER_RECORD/).
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- This is required for I(state=present). When an existing user is updated this is checked against the stored hash in homed.
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type: str
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state:
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description:
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- The operation to take on the user.
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choices: [ 'absent', 'present' ]
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default: present
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type: str
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storage:
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description:
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- Indicates the storage mechanism for the user's home directory.
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- If the storage type is not specified, ``homed.conf(5)`` defines which default storage to use.
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- Only used when a user is first created.
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choices: [ 'classic', 'luks', 'directory', 'subvolume', 'fscrypt', 'cifs' ]
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type: str
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disksize:
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description:
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- The intended home directory disk space.
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- Human readable value such as C(10G), C(10M), or C(10B).
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type: str
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resize:
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description:
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- When used with I(disksize) this will attempt to resize the home directory immediately.
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default: false
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type: bool
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realname:
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description:
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- The user's real ('human') name.
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- This can also be used to add a comment to maintain compatability with C(useradd).
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aliases: [ 'comment' ]
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type: str
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realm:
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description:
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- The 'realm' a user is defined in.
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type: str
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email:
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description:
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- The email address of the user.
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type: str
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location:
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description:
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- A free-form location string describing the location of the user.
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type: str
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iconname:
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description:
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- The name of an icon picked by the user, for example for the purpose of an avatar.
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- Should follow the semantics defined in the Icon Naming Specification.
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- See U(https://specifications.freedesktop.org/icon-naming-spec/icon-naming-spec-latest.html) for specifics.
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type: str
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homedir:
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description:
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- Path to use as home directory for the user.
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- This is the directory the user's home directory is mounted to while the user is logged in.
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- This is not where the user's data is actually stored, see I(imagepath) for that.
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- Only used when a user is first created.
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type: path
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imagepath:
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description:
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- Path to place the user's home directory.
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- See U(https://www.freedesktop.org/software/systemd/man/homectl.html#--image-path=PATH) for more information.
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- Only used when a user is first created.
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type: path
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uid:
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description:
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- Sets the UID of the user.
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- If using I(gid) homed requires the value to be the same.
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- Only used when a user is first created.
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type: int
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gid:
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description:
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- Sets the gid of the user.
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- If using I(uid) homed requires the value to be the same.
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- Only used when a user is first created.
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type: int
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mountopts:
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description:
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- String separated by comma each indicating mount options for a users home directory.
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- Valid options are C(nosuid), C(nodev) or C(noexec).
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- Homed by default uses C(nodev) and C(nosuid) while C(noexec) is off.
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type: str
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umask:
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description:
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- Sets the umask for the user's login sessions
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- Value from C(0000) to C(0777).
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type: int
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memberof:
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description:
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- String separated by comma each indicating a UNIX group this user shall be a member of.
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- Groups the user should be a member of should be supplied as comma separated list.
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aliases: [ 'groups' ]
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type: str
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skeleton:
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description:
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- The absolute path to the skeleton directory to populate a new home directory from.
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- This is only used when a home directory is first created.
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- If not specified homed by default uses C(/etc/skel).
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aliases: [ 'skel' ]
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type: path
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shell:
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description:
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- Shell binary to use for terminal logins of given user.
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- If not specified homed by default uses C(/bin/bash).
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type: str
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environment:
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description:
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- String separated by comma each containing an environment variable and its value to
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set for the user's login session, in a format compatible with ``putenv()``.
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- Any environment variable listed here is automatically set by pam_systemd for all
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login sessions of the user.
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aliases: [ 'setenv' ]
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type: str
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timezone:
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description:
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- Preferred timezone to use for the user.
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- Should be a tzdata compatible location string such as C(America/New_York).
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type: str
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locked:
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description:
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- Whether the user account should be locked or not.
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type: bool
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language:
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description:
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- The preferred language/locale for the user.
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- This should be in a format compatible with the C($LANG) environment variable.
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type: str
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passwordhint:
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description:
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- Password hint for the given user.
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type: str
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sshkeys:
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description:
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- String separated by comma each listing a SSH public key that is authorized to access the account.
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- The keys should follow the same format as the lines in a traditional C(~/.ssh/authorized_key) file.
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type: str
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notbefore:
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description:
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- A time since the UNIX epoch before which the record should be considered invalid for the purpose of logging in.
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type: int
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notafter:
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description:
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- A time since the UNIX epoch after which the record should be considered invalid for the purpose of logging in.
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type: int
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'''
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EXAMPLES = '''
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- name: Add the user 'james'
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community.general.homectl:
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name: johnd
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password: myreallysecurepassword1!
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state: present
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- name: Add the user 'alice' with a zsh shell, uid of 1000, and gid of 2000
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community.general.homectl:
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name: alice
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password: myreallysecurepassword1!
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state: present
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shell: /bin/zsh
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uid: 1000
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gid: 1000
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- name: Modify an existing user 'frank' to have 10G of diskspace and resize usage now
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community.general.homectl:
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name: frank
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password: myreallysecurepassword1!
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state: present
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disksize: 10G
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resize: yes
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- name: Remove an existing user 'janet'
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community.general.homectl:
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name: janet
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state: absent
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'''
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RETURN = '''
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data:
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description: A json dictionary returned from C(homectl inspect -j).
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returned: success
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type: dict
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sample: {
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"data": {
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"binding": {
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"e9ed2a5b0033427286b228e97c1e8343": {
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"fileSystemType": "btrfs",
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"fileSystemUuid": "7bd59491-2812-4642-a492-220c3f0c6c0b",
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"gid": 60268,
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"imagePath": "/home/james.home",
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"luksCipher": "aes",
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"luksCipherMode": "xts-plain64",
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"luksUuid": "7f05825a-2c38-47b4-90e1-f21540a35a81",
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"luksVolumeKeySize": 32,
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"partitionUuid": "5a906126-d3c8-4234-b230-8f6e9b427b2f",
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"storage": "luks",
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"uid": 60268
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}
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},
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"diskSize": 3221225472,
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"disposition": "regular",
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"lastChangeUSec": 1641941238208691,
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"lastPasswordChangeUSec": 1641941238208691,
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"privileged": {
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"hashedPassword": [
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"$6$ov9AKni.trf76inT$tTtfSyHgbPTdUsG0CvSSQZXGqFGdHKQ9Pb6e0BTZhDmlgrL/vA5BxrXduBi8u/PCBiYUffGLIkGhApjKMK3bV."
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]
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},
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"signature": [
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{
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"data": "o6zVFbymcmk4YTVaY6KPQK23YCp+VkXdGEeniZeV1pzIbFzoaZBvVLPkNKMoPAQbodY5BYfBtuy41prNL78qAg==",
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"key": "-----BEGIN PUBLIC KEY-----\nMCowBQYDK2VwAyEAbs7ELeiEYBxkUQhxZ+5NGyu6J7gTtZtZ5vmIw3jowcY=\n-----END PUBLIC KEY-----\n"
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}
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],
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"status": {
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"e9ed2a5b0033427286b228e97c1e8343": {
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"diskCeiling": 21845405696,
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"diskFloor": 268435456,
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"diskSize": 3221225472,
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"service": "io.systemd.Home",
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"signedLocally": true,
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"state": "inactive"
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}
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},
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"userName": "james",
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}
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}
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'''
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import crypt
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import json
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from ansible.module_utils.basic import AnsibleModule
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from ansible.module_utils.basic import jsonify
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from ansible.module_utils.common.text.formatters import human_to_bytes
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class Homectl(object):
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'''#TODO DOC STRINGS'''
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def __init__(self, module):
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self.module = module
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self.state = module.params['state']
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self.name = module.params['name']
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self.password = module.params['password']
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self.storage = module.params['storage']
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self.disksize = module.params['disksize']
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self.resize = module.params['resize']
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self.realname = module.params['realname']
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self.realm = module.params['realm']
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self.email = module.params['email']
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self.location = module.params['location']
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self.iconname = module.params['iconname']
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self.homedir = module.params['homedir']
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self.imagepath = module.params['imagepath']
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self.uid = module.params['uid']
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self.gid = module.params['gid']
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self.umask = module.params['umask']
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self.memberof = module.params['memberof']
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self.skeleton = module.params['skeleton']
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self.shell = module.params['shell']
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self.environment = module.params['environment']
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self.timezone = module.params['timezone']
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self.locked = module.params['locked']
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self.passwordhint = module.params['passwordhint']
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self.sshkeys = module.params['sshkeys']
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self.language = module.params['language']
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self.notbefore = module.params['notbefore']
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self.notafter = module.params['notafter']
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self.mountopts = module.params['mountopts']
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self.result = {}
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# Cannot run homectl commands if service is not active
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def homed_service_active(self):
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is_active = True
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cmd = ['systemctl', 'show', 'systemd-homed.service', '-p', 'ActiveState']
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rc, show_service_stdout, stderr = self.module.run_command(cmd)
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if rc == 0:
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state = show_service_stdout.rsplit('=')[1]
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if state.strip() != 'active':
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is_active = False
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return is_active
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def user_exists(self):
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exists = False
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valid_pw = False
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# Get user properties if they exist in json
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rc, stdout, stderr = self.get_user_metadata()
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if rc == 0:
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exists = True
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# User exists now compare password given with current hashed password stored in the user metadata.
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if self.state != 'absent': # Don't need checking on remove user
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stored_pwhash = json.loads(stdout)['privileged']['hashedPassword'][0]
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if self._check_password(stored_pwhash):
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valid_pw = True
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return exists, valid_pw
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def create_user(self):
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record = self.create_json_record(create=True)
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cmd = [self.module.get_bin_path('homectl', True)]
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cmd.append('create')
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cmd.append('--identity=-') # Read the user record from standard input.
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return(self.module.run_command(cmd, data=record))
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def _hash_password(self, password):
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method = crypt.METHOD_SHA512
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salt = crypt.mksalt(method, rounds=10000)
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pw_hash = crypt.crypt(password, salt)
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return pw_hash
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def _check_password(self, pwhash):
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hash = crypt.crypt(self.password, pwhash)
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return pwhash == hash
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def remove_user(self):
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cmd = [self.module.get_bin_path('homectl', True)]
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cmd.append('remove')
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cmd.append(self.name)
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return self.module.run_command(cmd)
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def prepare_modify_user_command(self):
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record = self.create_json_record()
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cmd = [self.module.get_bin_path('homectl', True)]
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cmd.append('update')
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cmd.append(self.name)
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cmd.append('--identity=-') # Read the user record from standard input.
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# Resize disksize now resize = true
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# This is not valid in user record (json) and requires it to be passed on command.
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if self.disksize and self.resize:
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cmd.append('--and-resize')
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cmd.append('true')
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self.result['changed'] = True
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return cmd, record
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def get_user_metadata(self):
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cmd = [self.module.get_bin_path('homectl', True)]
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cmd.append('inspect')
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cmd.append(self.name)
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cmd.append('-j')
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cmd.append('--no-pager')
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rc, stdout, stderr = self.module.run_command(cmd)
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return rc, stdout, stderr
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# Build up dictionary to jsonify for homectl commands.
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def create_json_record(self, create=False):
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record = {}
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user_metadata = {}
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self.result['changed'] = False
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# Get the current user record if not creating a new user record.
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if not create:
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rc, user_metadata, stderr = self.get_user_metadata()
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user_metadata = json.loads(user_metadata)
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# Remove elements that are not meant to be updated from record.
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# These are always part of the record when a user exists.
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user_metadata.pop('signature', None)
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user_metadata.pop('binding', None)
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user_metadata.pop('status', None)
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# Let last change Usec be updated by homed when command runs.
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user_metadata.pop('lastChangeUSec', None)
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# Now only change fields that are called on leaving whats currently in the record intact.
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record = user_metadata
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record['userName'] = self.name
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record['secret'] = {'password': [self.password]}
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if create:
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password_hash = self._hash_password(self.password)
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record['privileged'] = {'hashedPassword': [password_hash]}
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self.result['changed'] = True
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if self.uid and self.gid and create:
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record['uid'] = self.uid
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record['gid'] = self.gid
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self.result['changed'] = True
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if self.memberof:
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member_list = list(self.memberof.split(','))
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if member_list != record.get('memberOf', [None]):
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record['memberOf'] = member_list
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self.result['changed'] = True
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if self.realname:
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if self.realname != record.get('realName'):
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record['realName'] = self.realname
|
||
|
self.result['changed'] = True
|
||
|
|
||
|
# Cannot update storage unless were creating a new user.
|
||
|
# See 'Fields in the binding section' at https://systemd.io/USER_RECORD/
|
||
|
if self.storage and create:
|
||
|
record['storage'] = self.storage
|
||
|
self.result['changed'] = True
|
||
|
|
||
|
# Cannot update homedir unless were creating a new user.
|
||
|
# See 'Fields in the binding section' at https://systemd.io/USER_RECORD/
|
||
|
if self.homedir and create:
|
||
|
record['homeDirectory'] = self.homedir
|
||
|
self.result['changed'] = True
|
||
|
|
||
|
# Cannot update imagepath unless were creating a new user.
|
||
|
# See 'Fields in the binding section' at https://systemd.io/USER_RECORD/
|
||
|
if self.imagepath and create:
|
||
|
record['imagePath'] = self.imagepath
|
||
|
self.result['changed'] = True
|
||
|
|
||
|
if self.disksize:
|
||
|
# convert humand readble to bytes
|
||
|
if self.disksize != record.get('diskSize'):
|
||
|
record['diskSize'] = human_to_bytes(self.disksize)
|
||
|
self.result['changed'] = True
|
||
|
|
||
|
if self.realm:
|
||
|
if self.realm != record.get('realm'):
|
||
|
record['realm'] = self.realm
|
||
|
self.result['changed'] = True
|
||
|
|
||
|
if self.email:
|
||
|
if self.email != record.get('emailAddress'):
|
||
|
record['emailAddress'] = self.email
|
||
|
self.result['changed'] = True
|
||
|
|
||
|
if self.location:
|
||
|
if self.location != record.get('location'):
|
||
|
record['location'] = self.location
|
||
|
self.result['changed'] = True
|
||
|
|
||
|
if self.iconname:
|
||
|
if self.iconname != record.get('iconName'):
|
||
|
record['iconName'] = self.iconname
|
||
|
self.result['changed'] = True
|
||
|
|
||
|
if self.skeleton:
|
||
|
if self.skeleton != record.get('skeletonDirectory'):
|
||
|
record['skeletonDirectory'] = self.skeleton
|
||
|
self.result['changed'] = True
|
||
|
|
||
|
if self.shell:
|
||
|
if self.shell != record.get('shell'):
|
||
|
record['shell'] = self.shell
|
||
|
self.result['changed'] = True
|
||
|
|
||
|
if self.umask:
|
||
|
if self.umask != record.get('umask'):
|
||
|
record['umask'] = self.umask
|
||
|
self.result['changed'] = True
|
||
|
|
||
|
if self.environment:
|
||
|
if self.environment != record.get('environment', [None]):
|
||
|
record['environment'] = list(self.environment.split(','))
|
||
|
self.result['changed'] = True
|
||
|
|
||
|
if self.timezone:
|
||
|
if self.timezone != record.get('timeZone'):
|
||
|
record['timeZone'] = self.timezone
|
||
|
self.result['changed'] = True
|
||
|
|
||
|
if self.locked:
|
||
|
if self.locked != record.get('locked'):
|
||
|
record['locked'] = self.locked
|
||
|
self.result['changed'] = True
|
||
|
|
||
|
if self.passwordhint:
|
||
|
if self.passwordhint != record.get('privileged', {}).get('passwordHint'):
|
||
|
record['privileged']['passwordHint'] = self.passwordhint
|
||
|
self.result['changed'] = True
|
||
|
|
||
|
if self.sshkeys:
|
||
|
if self.sshkeys != record.get('privileged', {}).get('sshAuthorizedKeys'):
|
||
|
record['privileged']['sshAuthorizedKeys'] = list(self.sshkeys.split(','))
|
||
|
self.result['changed'] = True
|
||
|
|
||
|
if self.language:
|
||
|
if self.locked != record.get('preferredLanguage'):
|
||
|
record['preferredLanguage'] = self.language
|
||
|
self.result['changed'] = True
|
||
|
|
||
|
if self.notbefore:
|
||
|
if self.locked != record.get('notBeforeUSec'):
|
||
|
record['notBeforeUSec'] = self.notbefore
|
||
|
self.result['changed'] = True
|
||
|
|
||
|
if self.notafter:
|
||
|
if self.locked != record.get('notAfterUSec'):
|
||
|
record['notAfterUSec'] = self.notafter
|
||
|
self.result['changed'] = True
|
||
|
|
||
|
if self.mountopts:
|
||
|
opts = list(self.mountopts.split(','))
|
||
|
if 'nosuid' in opts:
|
||
|
if record.get('mountNoSuid') is not True:
|
||
|
record['mountNoSuid'] = True
|
||
|
self.result['changed'] = True
|
||
|
else:
|
||
|
if record.get('mountNoSuid') is not False:
|
||
|
record['mountNoSuid'] = False
|
||
|
self.result['changed'] = True
|
||
|
|
||
|
if 'nodev' in opts:
|
||
|
if record.get('mountNoDevices') is not True:
|
||
|
record['mountNoDevices'] = True
|
||
|
self.result['changed'] = True
|
||
|
else:
|
||
|
if record.get('mountNoDevices') is not False:
|
||
|
record['mountNoDevices'] = False
|
||
|
self.result['changed'] = True
|
||
|
|
||
|
if 'noexec' in opts:
|
||
|
if record.get('mountNoExecute') is not True:
|
||
|
record['mountNoExecute'] = True
|
||
|
self.result['changed'] = True
|
||
|
else:
|
||
|
if record.get('mountNoExecute') is not False:
|
||
|
record['mountNoExecute'] = False
|
||
|
self.result['changed'] = True
|
||
|
|
||
|
return jsonify(record)
|
||
|
|
||
|
|
||
|
def main():
|
||
|
module = AnsibleModule(
|
||
|
argument_spec=dict(
|
||
|
state=dict(type='str', default='present', choices=['absent', 'present']),
|
||
|
name=dict(type='str', required=True, aliases=['user', 'username']),
|
||
|
password=dict(type='str', no_log=True),
|
||
|
storage=dict(type='str', choices=['classic', 'luks', 'directory', 'subvolume', 'fscrypt', 'cifs']),
|
||
|
disksize=dict(type='str'),
|
||
|
resize=dict(type='bool', default=False),
|
||
|
realname=dict(type='str', aliases=['comment']),
|
||
|
realm=dict(type='str'),
|
||
|
email=dict(type='str'),
|
||
|
location=dict(type='str'),
|
||
|
iconname=dict(type='str'),
|
||
|
homedir=dict(type='path'),
|
||
|
imagepath=dict(type='path'),
|
||
|
uid=dict(type='int'),
|
||
|
gid=dict(type='int'),
|
||
|
umask=dict(type='int'),
|
||
|
environment=dict(type='str', aliases=['setenv']),
|
||
|
timezone=dict(type='str'),
|
||
|
memberof=dict(type='str', aliases=['groups']),
|
||
|
skeleton=dict(type='path', aliases=['skel']),
|
||
|
shell=dict(type='str'),
|
||
|
locked=dict(type='bool'),
|
||
|
passwordhint=dict(type='str', no_log=True),
|
||
|
sshkeys=dict(type='str', no_log=True),
|
||
|
language=dict(type='str'),
|
||
|
notbefore=dict(type='int'),
|
||
|
notafter=dict(type='int'),
|
||
|
mountopts=dict(type='str'),
|
||
|
),
|
||
|
supports_check_mode=True,
|
||
|
|
||
|
required_if=[
|
||
|
('state', 'present', ['password']),
|
||
|
('resize', True, ['disksize']),
|
||
|
]
|
||
|
)
|
||
|
|
||
|
homectl = Homectl(module)
|
||
|
homectl.result['state'] = homectl.state
|
||
|
|
||
|
# First we need to make sure homed service is active
|
||
|
if not homectl.homed_service_active():
|
||
|
module.fail_json(msg='systemd-homed.service is not active')
|
||
|
|
||
|
# handle removing user
|
||
|
if homectl.state == 'absent':
|
||
|
user_exists, valid_pwhash = homectl.user_exists()
|
||
|
if user_exists:
|
||
|
if module.check_mode:
|
||
|
module.exit_json(changed=True)
|
||
|
rc, stdout, stderr = homectl.remove_user()
|
||
|
if rc != 0:
|
||
|
module.fail_json(name=homectl.name, msg=stderr, rc=rc)
|
||
|
homectl.result['changed'] = True
|
||
|
homectl.result['rc'] = rc
|
||
|
homectl.result['msg'] = 'User %s removed!' % homectl.name
|
||
|
else:
|
||
|
homectl.result['changed'] = False
|
||
|
homectl.result['msg'] = 'User does not exist!'
|
||
|
|
||
|
# Handle adding a user
|
||
|
if homectl.state == 'present':
|
||
|
user_exists, valid_pwhash = homectl.user_exists()
|
||
|
if not user_exists:
|
||
|
if module.check_mode:
|
||
|
module.exit_json(changed=True)
|
||
|
rc, stdout, stderr = homectl.create_user()
|
||
|
if rc != 0:
|
||
|
module.fail_json(name=homectl.name, msg=stderr, rc=rc)
|
||
|
rc, user_metadata, stderr = homectl.get_user_metadata()
|
||
|
homectl.result['data'] = json.loads(user_metadata)
|
||
|
homectl.result['rc'] = rc
|
||
|
homectl.result['msg'] = 'User %s created!' % homectl.name
|
||
|
else:
|
||
|
if valid_pwhash:
|
||
|
# Run this to see if changed would be True or False which is useful for check_mode
|
||
|
cmd, record = homectl.prepare_modify_user_command()
|
||
|
else:
|
||
|
# User gave wrong password fail with message
|
||
|
homectl.result['changed'] = False
|
||
|
homectl.result['msg'] = 'User exists but password is incorrect!'
|
||
|
module.fail_json(**homectl.result)
|
||
|
|
||
|
if module.check_mode:
|
||
|
module.exit_json(**homectl.result)
|
||
|
|
||
|
# Now actually modify the user if changed was set to true at any point.
|
||
|
if homectl.result['changed']:
|
||
|
rc, stdout, stderr = module.run_command(cmd, data=record)
|
||
|
if rc != 0:
|
||
|
module.fail_json(name=homectl.name, msg=stderr, rc=rc, changed=False)
|
||
|
rc, user_metadata, stderr = homectl.get_user_metadata()
|
||
|
homectl.result['data'] = json.loads(user_metadata)
|
||
|
homectl.result['rc'] = rc
|
||
|
if homectl.result['changed']:
|
||
|
homectl.result['msg'] = 'User %s modified' % homectl.name
|
||
|
|
||
|
module.exit_json(**homectl.result)
|
||
|
|
||
|
|
||
|
if __name__ == '__main__':
|
||
|
main()
|