mirror of
https://github.com/ansible-collections/community.general.git
synced 2024-09-14 20:13:21 +02:00
286 lines
9.2 KiB
Python
286 lines
9.2 KiB
Python
#!/usr/bin/python
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# -*- coding: utf-8 -*-
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# Copyright (c) 2013, Nimbis Services, Inc.
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# GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or https://www.gnu.org/licenses/gpl-3.0.txt)
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# SPDX-License-Identifier: GPL-3.0-or-later
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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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module: htpasswd
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short_description: Manage user files for basic authentication
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description:
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- Add and remove username/password entries in a password file using htpasswd.
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- This is used by web servers such as Apache and Nginx for basic authentication.
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attributes:
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check_mode:
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support: full
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diff_mode:
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support: none
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options:
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path:
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type: path
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required: true
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aliases: [ dest, destfile ]
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description:
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- Path to the file that contains the usernames and passwords
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name:
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type: str
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required: true
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aliases: [ username ]
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description:
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- User name to add or remove
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password:
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type: str
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required: false
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description:
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- Password associated with user.
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- Must be specified if user does not exist yet.
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crypt_scheme:
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type: str
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required: false
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default: "apr_md5_crypt"
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description:
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- Encryption scheme to be used. As well as the four choices listed
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here, you can also use any other hash supported by passlib, such as
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C(portable_apache22) and C(host_apache24); or C(md5_crypt) and C(sha256_crypt),
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which are Linux passwd hashes. Only some schemes in addition to
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the four choices below will be compatible with Apache or Nginx, and
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supported schemes depend on passlib version and its dependencies.
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- See U(https://passlib.readthedocs.io/en/stable/lib/passlib.apache.html#passlib.apache.HtpasswdFile) parameter C(default_scheme).
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- 'Some of the available choices might be: C(apr_md5_crypt), C(des_crypt), C(ldap_sha1), C(plaintext).'
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state:
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type: str
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required: false
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choices: [ present, absent ]
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default: "present"
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description:
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- Whether the user entry should be present or not
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create:
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required: false
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type: bool
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default: true
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description:
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- Used with I(state=present). If specified, the file will be created
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if it does not already exist. If set to C(false), will fail if the
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file does not exist
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notes:
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- "This module depends on the I(passlib) Python library, which needs to be installed on all target systems."
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- "On Debian, Ubuntu, or Fedora: install I(python-passlib)."
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- "On RHEL or CentOS: Enable EPEL, then install I(python-passlib)."
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requirements: [ passlib>=1.6 ]
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author: "Ansible Core Team"
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extends_documentation_fragment:
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- files
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- community.general.attributes
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'''
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EXAMPLES = """
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- name: Add a user to a password file and ensure permissions are set
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community.general.htpasswd:
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path: /etc/nginx/passwdfile
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name: janedoe
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password: '9s36?;fyNp'
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owner: root
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group: www-data
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mode: 0640
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- name: Remove a user from a password file
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community.general.htpasswd:
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path: /etc/apache2/passwdfile
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name: foobar
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state: absent
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- name: Add a user to a password file suitable for use by libpam-pwdfile
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community.general.htpasswd:
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path: /etc/mail/passwords
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name: alex
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password: oedu2eGh
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crypt_scheme: md5_crypt
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"""
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import os
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import tempfile
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import traceback
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from ansible.module_utils.basic import AnsibleModule, missing_required_lib
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from ansible.module_utils.common.text.converters import to_native
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from ansible_collections.community.general.plugins.module_utils.version import LooseVersion
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PASSLIB_IMP_ERR = None
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try:
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from passlib.apache import HtpasswdFile, htpasswd_context
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from passlib.context import CryptContext
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import passlib
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except ImportError:
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PASSLIB_IMP_ERR = traceback.format_exc()
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passlib_installed = False
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else:
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passlib_installed = True
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apache_hashes = ["apr_md5_crypt", "des_crypt", "ldap_sha1", "plaintext"]
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def create_missing_directories(dest):
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destpath = os.path.dirname(dest)
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if not os.path.exists(destpath):
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os.makedirs(destpath)
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def present(dest, username, password, crypt_scheme, create, check_mode):
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""" Ensures user is present
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Returns (msg, changed) """
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if crypt_scheme in apache_hashes:
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context = htpasswd_context
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else:
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context = CryptContext(schemes=[crypt_scheme] + apache_hashes)
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if not os.path.exists(dest):
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if not create:
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raise ValueError('Destination %s does not exist' % dest)
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if check_mode:
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return ("Create %s" % dest, True)
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create_missing_directories(dest)
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if LooseVersion(passlib.__version__) >= LooseVersion('1.6'):
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ht = HtpasswdFile(dest, new=True, default_scheme=crypt_scheme, context=context)
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else:
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ht = HtpasswdFile(dest, autoload=False, default=crypt_scheme, context=context)
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if getattr(ht, 'set_password', None):
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ht.set_password(username, password)
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else:
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ht.update(username, password)
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ht.save()
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return ("Created %s and added %s" % (dest, username), True)
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else:
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if LooseVersion(passlib.__version__) >= LooseVersion('1.6'):
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ht = HtpasswdFile(dest, new=False, default_scheme=crypt_scheme, context=context)
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else:
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ht = HtpasswdFile(dest, default=crypt_scheme, context=context)
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found = None
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if getattr(ht, 'check_password', None):
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found = ht.check_password(username, password)
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else:
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found = ht.verify(username, password)
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if found:
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return ("%s already present" % username, False)
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else:
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if not check_mode:
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if getattr(ht, 'set_password', None):
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ht.set_password(username, password)
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else:
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ht.update(username, password)
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ht.save()
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return ("Add/update %s" % username, True)
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def absent(dest, username, check_mode):
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""" Ensures user is absent
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Returns (msg, changed) """
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if LooseVersion(passlib.__version__) >= LooseVersion('1.6'):
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ht = HtpasswdFile(dest, new=False)
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else:
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ht = HtpasswdFile(dest)
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if username not in ht.users():
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return ("%s not present" % username, False)
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else:
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if not check_mode:
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ht.delete(username)
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ht.save()
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return ("Remove %s" % username, True)
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def check_file_attrs(module, changed, message):
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file_args = module.load_file_common_arguments(module.params)
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if module.set_fs_attributes_if_different(file_args, False):
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if changed:
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message += " and "
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changed = True
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message += "ownership, perms or SE linux context changed"
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return message, changed
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def main():
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arg_spec = dict(
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path=dict(type='path', required=True, aliases=["dest", "destfile"]),
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name=dict(type='str', required=True, aliases=["username"]),
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password=dict(type='str', required=False, default=None, no_log=True),
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crypt_scheme=dict(type='str', required=False, default="apr_md5_crypt"),
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state=dict(type='str', required=False, default="present", choices=["present", "absent"]),
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create=dict(type='bool', default=True),
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)
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module = AnsibleModule(argument_spec=arg_spec,
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add_file_common_args=True,
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supports_check_mode=True)
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path = module.params['path']
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username = module.params['name']
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password = module.params['password']
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crypt_scheme = module.params['crypt_scheme']
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state = module.params['state']
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create = module.params['create']
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check_mode = module.check_mode
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if not passlib_installed:
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module.fail_json(msg=missing_required_lib("passlib"), exception=PASSLIB_IMP_ERR)
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# Check file for blank lines in effort to avoid "need more than 1 value to unpack" error.
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try:
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f = open(path, "r")
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except IOError:
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# No preexisting file to remove blank lines from
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f = None
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else:
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try:
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lines = f.readlines()
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finally:
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f.close()
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# If the file gets edited, it returns true, so only edit the file if it has blank lines
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strip = False
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for line in lines:
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if not line.strip():
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strip = True
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break
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if strip:
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# If check mode, create a temporary file
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if check_mode:
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temp = tempfile.NamedTemporaryFile()
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path = temp.name
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f = open(path, "w")
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try:
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[f.write(line) for line in lines if line.strip()]
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finally:
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f.close()
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try:
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if state == 'present':
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(msg, changed) = present(path, username, password, crypt_scheme, create, check_mode)
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elif state == 'absent':
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if not os.path.exists(path):
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module.exit_json(msg="%s not present" % username,
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warnings="%s does not exist" % path, changed=False)
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(msg, changed) = absent(path, username, check_mode)
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else:
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module.fail_json(msg="Invalid state: %s" % state)
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check_file_attrs(module, changed, msg)
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module.exit_json(msg=msg, changed=changed)
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except Exception as e:
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module.fail_json(msg=to_native(e))
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if __name__ == '__main__':
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main()
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