mirror of
https://github.com/thegeeklab/ansible-later.git
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296 lines
9.3 KiB
Python
296 lines
9.3 KiB
Python
#!/usr/bin/python
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# -*- coding: utf-8 -*-
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# (c) 2016, Yanis Guenane <yanis+ansible@guenane.org>
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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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ANSIBLE_METADATA = {'metadata_version': '1.1',
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'status': ['preview'],
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'supported_by': 'community'}
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DOCUMENTATION = '''
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---
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module: openssl_privatekey
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author: "Yanis Guenane (@Spredzy)"
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version_added: "2.3"
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short_description: Generate OpenSSL private keys.
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description:
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- "This module allows one to (re)generate OpenSSL private keys. It uses
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the pyOpenSSL python library to interact with openssl. One can generate
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either RSA or DSA private keys. Keys are generated in PEM format."
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requirements:
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- "python-pyOpenSSL"
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options:
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state:
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required: false
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default: "present"
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choices: [ present, absent ]
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description:
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- Whether the private key should exist or not, taking action if the state is different from what is stated.
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size:
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required: false
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default: 4096
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description:
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- Size (in bits) of the TLS/SSL key to generate
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type:
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required: false
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default: "RSA"
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choices: [ RSA, DSA ]
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description:
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- The algorithm used to generate the TLS/SSL private key
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force:
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required: false
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default: False
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type: bool
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description:
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- Should the key be regenerated even if it already exists
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path:
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required: true
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description:
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- Name of the file in which the generated TLS/SSL private key will be written. It will have 0600 mode.
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passphrase:
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required: false
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description:
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- The passphrase for the private key.
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version_added: "2.4"
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cipher:
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required: false
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description:
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- The cipher to encrypt the private key. (cipher can be found by running `openssl list-cipher-algorithms`)
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version_added: "2.4"
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extends_documentation_fragment: files
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'''
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EXAMPLES = '''
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# Generate an OpenSSL private key with the default values (4096 bits, RSA)
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- openssl_privatekey:
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path: /etc/ssl/private/ansible.com.pem
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# Generate an OpenSSL private key with the default values (4096 bits, RSA)
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# and a passphrase
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- openssl_privatekey:
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path: /etc/ssl/private/ansible.com.pem
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passphrase: ansible
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cipher: aes256
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# Generate an OpenSSL private key with a different size (2048 bits)
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- openssl_privatekey:
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path: /etc/ssl/private/ansible.com.pem
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size: 2048
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# Force regenerate an OpenSSL private key if it already exists
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- openssl_privatekey:
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path: /etc/ssl/private/ansible.com.pem
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force: True
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# Generate an OpenSSL private key with a different algorithm (DSA)
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- openssl_privatekey:
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path: /etc/ssl/private/ansible.com.pem
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type: DSA
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'''
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RETURN = '''
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size:
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description: Size (in bits) of the TLS/SSL private key
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returned: changed or success
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type: int
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sample: 4096
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type:
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description: Algorithm used to generate the TLS/SSL private key
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returned: changed or success
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type: string
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sample: RSA
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filename:
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description: Path to the generated TLS/SSL private key file
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returned: changed or success
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type: string
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sample: /etc/ssl/private/ansible.com.pem
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fingerprint:
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description: The fingerprint of the public key. Fingerprint will be generated for each hashlib.algorithms available.
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Requires PyOpenSSL >= 16.0 for meaningful output.
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returned: changed or success
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type: dict
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sample:
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md5: "84:75:71:72:8d:04:b5:6c:4d:37:6d:66:83:f5:4c:29"
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sha1: "51:cc:7c:68:5d:eb:41:43:88:7e:1a:ae:c7:f8:24:72:ee:71:f6:10"
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sha224: "b1:19:a6:6c:14:ac:33:1d:ed:18:50:d3:06:5c:b2:32:91:f1:f1:52:8c:cb:d5:75:e9:f5:9b:46"
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sha256: "41:ab:c7:cb:d5:5f:30:60:46:99:ac:d4:00:70:cf:a1:76:4f:24:5d:10:24:57:5d:51:6e:09:97:df:2f:de:c7"
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sha384: "85:39:50:4e:de:d9:19:33:40:70:ae:10:ab:59:24:19:51:c3:a2:e4:0b:1c:b1:6e:dd:b3:0c:d9:9e:6a:46:af:da:18:f8:ef:ae:2e:c0:9a:75:2c:9b:b3:0f:3a:5f:3d"
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sha512: "fd:ed:5e:39:48:5f:9f:fe:7f:25:06:3f:79:08:cd:ee:a5:e7:b3:3d:13:82:87:1f:84:e1:f5:c7:28:77:53:94:86:56:38:69:f0:d9:35:22:01:1e:a6:60:...:0f:9b"
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'''
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import os
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import traceback
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try:
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from OpenSSL import crypto
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except ImportError:
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pyopenssl_found = False
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else:
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pyopenssl_found = True
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from ansible.module_utils import crypto as crypto_utils
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from ansible.module_utils._text import to_native, to_bytes
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from ansible.module_utils.basic import AnsibleModule
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from ansible.module_utils.six import string_types
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class PrivateKeyError(crypto_utils.OpenSSLObjectError):
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pass
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class PrivateKey(crypto_utils.OpenSSLObject):
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def __init__(self, module):
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super(PrivateKey, self).__init__(
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module.params['path'],
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module.params['state'],
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module.params['force'],
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module.check_mode
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)
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self.size = module.params['size']
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self.passphrase = module.params['passphrase']
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self.cipher = module.params['cipher']
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self.privatekey = None
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self.fingerprint = {}
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if module.params['mode'] is None:
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module.params['mode'] = '0600'
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self.type = crypto.TYPE_RSA
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if module.params['type'] == 'DSA':
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self.type = crypto.TYPE_DSA
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def generate(self, module):
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"""Generate a keypair."""
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if not self.check(module, perms_required=False) or self.force:
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self.privatekey = crypto.PKey()
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try:
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self.privatekey.generate_key(self.type, self.size)
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except (TypeError, ValueError) as exc:
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raise PrivateKeyError(exc)
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if self.cipher and self.passphrase:
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privatekey_data = crypto.dump_privatekey(crypto.FILETYPE_PEM, self.privatekey,
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self.cipher, to_bytes(self.passphrase))
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else:
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privatekey_data = crypto.dump_privatekey(crypto.FILETYPE_PEM, self.privatekey)
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crypto_utils.write_file(module, privatekey_data, 0o600)
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self.changed = True
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self.fingerprint = crypto_utils.get_fingerprint(self.path, self.passphrase)
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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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self.changed = True
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def check(self, module, perms_required=True):
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"""Ensure the resource is in its desired state."""
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state_and_perms = super(PrivateKey, self).check(module, perms_required)
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def _check_size(privatekey):
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return self.size == privatekey.bits()
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def _check_type(privatekey):
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return self.type == privatekey.type()
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def _check_passphrase():
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try:
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crypto_utils.load_privatekey(self.path, self.passphrase)
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return True
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except crypto.Error:
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return False
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if not state_and_perms or not _check_passphrase():
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return False
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privatekey = crypto_utils.load_privatekey(self.path, self.passphrase)
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return _check_size(privatekey) and _check_type(privatekey)
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def dump(self):
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"""Serialize the object into a dictionary."""
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result = {
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'size': self.size,
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'filename': self.path,
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'changed': self.changed,
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'fingerprint': self.fingerprint,
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}
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if self.type == crypto.TYPE_RSA:
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result['type'] = 'RSA'
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else:
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result['type'] = 'DSA'
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return result
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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'], type='str'),
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size=dict(default=4096, type='int'),
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type=dict(default='RSA', choices=['RSA', 'DSA'], type='str'),
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force=dict(default=False, type='bool'),
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path=dict(required=True, type='path'),
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passphrase=dict(type='str', no_log=True),
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cipher=dict(type='str'),
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),
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supports_check_mode=True,
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add_file_common_args=True,
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required_together=[['cipher', 'passphrase']],
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)
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if not pyopenssl_found:
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module.fail_json(msg='the python pyOpenSSL module is required')
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base_dir = os.path.dirname(module.params['path']) or '.'
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if not os.path.isdir(base_dir):
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module.fail_json(
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name=base_dir,
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msg='The directory %s does not exist or the file is not a directory' % base_dir
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)
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private_key = PrivateKey(module)
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if private_key.state == 'present':
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if module.check_mode:
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result = private_key.dump()
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result['changed'] = module.params['force'] or not private_key.check(module)
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module.exit_json(**result)
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try:
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private_key.generate(module)
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except PrivateKeyError as exc:
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module.fail_json(msg=to_native(exc))
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else:
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if module.check_mode:
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result = private_key.dump()
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result['changed'] = os.path.exists(module.params['path'])
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module.exit_json(**result)
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try:
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private_key.remove()
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except PrivateKeyError as exc:
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module.fail_json(msg=to_native(exc))
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result = private_key.dump()
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module.exit_json(**result)
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if __name__ == '__main__':
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main()
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