279 lines
9.6 KiB
Python
279 lines
9.6 KiB
Python
#!/usr/bin/python
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# -*- coding: utf-8 -*-
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# Copyright: (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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DOCUMENTATION = r'''
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---
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module: openssl_privatekey
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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.
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author:
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- Yanis Guenane (@Spredzy)
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- Felix Fontein (@felixfontein)
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options:
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state:
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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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type: str
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default: present
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choices: [ absent, present ]
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force:
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description:
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- Should the key be regenerated even if it already exists.
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type: bool
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default: no
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path:
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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 C(0600) mode
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if I(mode) is not explicitly set.
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type: path
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required: true
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format:
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version_added: '1.0.0'
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format_mismatch:
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version_added: '1.0.0'
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backup:
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description:
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- Create a backup file including a timestamp so you can get
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the original private key back if you overwrote it with a new one by accident.
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type: bool
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default: no
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return_content:
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description:
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- If set to C(yes), will return the (current or generated) private key's content as I(privatekey).
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- Note that especially if the private key is not encrypted, you have to make sure that the returned
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value is treated appropriately and not accidentally written to logs etc.! Use with care!
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- Use Ansible's I(no_log) task option to avoid the output being shown. See also
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U(https://docs.ansible.com/ansible/latest/reference_appendices/faq.html#how-do-i-keep-secret-data-in-my-playbook).
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type: bool
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default: no
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version_added: '1.0.0'
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regenerate:
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version_added: '1.0.0'
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extends_documentation_fragment:
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- ansible.builtin.files
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- community.crypto.module_privatekey
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seealso:
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- module: community.crypto.openssl_privatekey_pipe
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- module: community.crypto.openssl_privatekey_info
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'''
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EXAMPLES = r'''
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- name: Generate an OpenSSL private key with the default values (4096 bits, RSA)
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community.crypto.openssl_privatekey:
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path: /etc/ssl/private/ansible.com.pem
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- name: Generate an OpenSSL private key with the default values (4096 bits, RSA) and a passphrase
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community.crypto.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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- name: Generate an OpenSSL private key with a different size (2048 bits)
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community.crypto.openssl_privatekey:
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path: /etc/ssl/private/ansible.com.pem
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size: 2048
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- name: Force regenerate an OpenSSL private key if it already exists
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community.crypto.openssl_privatekey:
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path: /etc/ssl/private/ansible.com.pem
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force: yes
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- name: Generate an OpenSSL private key with a different algorithm (DSA)
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community.crypto.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 = r'''
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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: str
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sample: RSA
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curve:
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description: Elliptic curve used to generate the TLS/SSL private key.
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returned: changed or success, and I(type) is C(ECC)
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type: str
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sample: secp256r1
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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: str
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sample: /etc/ssl/private/ansible.com.pem
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fingerprint:
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description:
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- The fingerprint of the public key. Fingerprint will be generated for each C(hashlib.algorithms) available.
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- The PyOpenSSL backend 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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backup_file:
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description: Name of backup file created.
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returned: changed and if I(backup) is C(yes)
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type: str
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sample: /path/to/privatekey.pem.2019-03-09@11:22~
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privatekey:
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description:
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- The (current or generated) private key's content.
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- Will be Base64-encoded if the key is in raw format.
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returned: if I(state) is C(present) and I(return_content) is C(yes)
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type: str
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version_added: '1.0.0'
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'''
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import os
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from ansible.module_utils.basic import AnsibleModule
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from ansible.module_utils._text import to_native
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from ansible_collections.community.crypto.plugins.module_utils.io import (
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load_file_if_exists,
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write_file,
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)
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from ansible_collections.community.crypto.plugins.module_utils.crypto.basic import (
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OpenSSLObjectError,
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)
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from ansible_collections.community.crypto.plugins.module_utils.crypto.support import (
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OpenSSLObject,
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)
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from ansible_collections.community.crypto.plugins.module_utils.crypto.module_backends.privatekey import (
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select_backend,
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get_privatekey_argument_spec,
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)
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class PrivateKeyModule(OpenSSLObject):
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def __init__(self, module, module_backend):
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super(PrivateKeyModule, 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.module_backend = module_backend
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self.return_content = module.params['return_content']
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if self.force:
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module_backend.regenerate = 'always'
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self.backup = module.params['backup']
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self.backup_file = None
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if module.params['mode'] is None:
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module.params['mode'] = '0600'
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module_backend.set_existing(load_file_if_exists(self.path, module))
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def generate(self, module):
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"""Generate a keypair."""
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if self.module_backend.needs_regeneration():
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# Regenerate
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if not self.check_mode:
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if self.backup:
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self.backup_file = module.backup_local(self.path)
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self.module_backend.generate_private_key()
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privatekey_data = self.module_backend.get_private_key_data()
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if self.return_content:
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self.privatekey_bytes = privatekey_data
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write_file(module, privatekey_data, 0o600)
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self.changed = True
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elif self.module_backend.needs_conversion():
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# Convert
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if not self.check_mode:
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if self.backup:
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self.backup_file = module.backup_local(self.path)
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self.module_backend.convert_private_key()
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privatekey_data = self.module_backend.get_private_key_data()
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if self.return_content:
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self.privatekey_bytes = privatekey_data
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write_file(module, privatekey_data, 0o600)
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self.changed = True
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file_args = module.load_file_common_arguments(module.params)
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self.changed = module.set_fs_attributes_if_different(file_args, self.changed)
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def remove(self, module):
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self.module_backend.set_existing(None)
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if self.backup and not self.check_mode:
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self.backup_file = module.backup_local(self.path)
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super(PrivateKeyModule, self).remove(module)
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def dump(self):
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"""Serialize the object into a dictionary."""
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result = self.module_backend.dump(include_key=self.return_content)
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result['filename'] = self.path
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result['changed'] = self.changed
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if self.backup_file:
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result['backup_file'] = self.backup_file
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return result
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def main():
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argument_spec = get_privatekey_argument_spec()
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argument_spec.argument_spec.update(dict(
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state=dict(type='str', default='present', choices=['present', 'absent']),
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force=dict(type='bool', default=False),
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path=dict(type='path', required=True),
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backup=dict(type='bool', default=False),
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return_content=dict(type='bool', default=False),
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))
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module = argument_spec.create_ansible_module(
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supports_check_mode=True,
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add_file_common_args=True,
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)
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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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backend, module_backend = select_backend(
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module=module,
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backend=module.params['select_crypto_backend'],
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)
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try:
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private_key = PrivateKeyModule(module, module_backend)
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if private_key.state == 'present':
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private_key.generate(module)
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else:
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private_key.remove(module)
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result = private_key.dump()
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module.exit_json(**result)
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except OpenSSLObjectError as exc:
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module.fail_json(msg=to_native(exc))
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if __name__ == '__main__':
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main()
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