mirror of
https://github.com/freeipa/ansible-freeipa.git
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43217b9e70
Several fixes for the DOCUMENTATION section: The short_description tag was 'short description', the chain option was missing and the unknown authers tag has been removed.
575 lines
18 KiB
Python
575 lines
18 KiB
Python
#!/usr/bin/python
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# -*- coding: utf-8 -*-
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# Authors:
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# Sam Morris <sam@robots.org.uk>
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# Rafael Guterres Jeffman <rjeffman@redhat.com>
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#
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# Copyright (C) 2021 Red Hat
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# see file 'COPYING' for use and warranty information
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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from __future__ import (absolute_import, division, print_function)
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__metaclass__ = type
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ANSIBLE_METADATA = {
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"metadata_version": "1.0",
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"supported_by": "community",
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"status": ["preview"],
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}
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DOCUMENTATION = """
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---
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module: ipacert
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short_description: Manage FreeIPA certificates
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description: Manage FreeIPA certificates
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extends_documentation_fragment:
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- ipamodule_base_docs
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options:
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csr:
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description: |
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X509 certificate signing request, in RFC 7468 PEM encoding.
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Only available if `state: requested`, required if `csr_file` is not
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provided.
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type: str
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csr_file:
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description: |
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Path to file with X509 certificate signing request, in RFC 7468 PEM
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encoding. Only available if `state: requested`, required if `csr_file`
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is not provided.
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type: str
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principal:
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description: |
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Host/service/user principal for the certificate.
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Required if `state: requested`. Only available if `state: requested`.
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type: str
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add:
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description: |
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Automatically add the principal if it doesn't exist (service
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principals only). Only available if `state: requested`.
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type: bool
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aliases: ["add_principal"]
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required: false
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ca:
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description: Name of the issuing certificate authority.
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type: str
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required: false
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chain:
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description: Include certificate chain in output.
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type: bool
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required: false
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serial_number:
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description: |
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Certificate serial number. Cannot be used with `state: requested`.
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Required for all states, except `requested`.
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type: int
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profile:
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description: Certificate Profile to use.
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type: str
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aliases: ["profile_id"]
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required: false
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revocation_reason:
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description: |
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Reason for revoking the certificate. Use one of the reason strings,
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or the corresponding value: "unspecified" (0), "keyCompromise" (1),
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"cACompromise" (2), "affiliationChanged" (3), "superseded" (4),
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"cessationOfOperation" (5), "certificateHold" (6), "removeFromCRL" (8),
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"privilegeWithdrawn" (9), "aACompromise" (10).
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Use only if `state: revoked`. Required if `state: revoked`.
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type: raw
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aliases: ['reason']
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certificate_out:
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description: |
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Write certificate (chain if `chain` is set) to this file, on the target
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node.. Use only when `state` is `requested` or `retrieved`.
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type: str
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required: false
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state:
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description: |
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The state to ensure. `held` is the same as revoke with reason
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"certificateHold" (6). `released` is the same as `cert-revoke-hold`
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on IPA CLI, releasing the hold status of a certificate.
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choices: ["requested", "held", "released", "revoked", "retrieved"]
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required: true
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type: str
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author:
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- Sam Morris (@yrro)
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- Rafael Guterres Jeffman (@rjeffman)
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"""
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EXAMPLES = """
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- name: Request a certificate for a web server
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ipacert:
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ipaadmin_password: SomeADMINpassword
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state: requested
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csr: |
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-----BEGIN CERTIFICATE REQUEST-----
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MIGYMEwCAQAwGTEXMBUGA1UEAwwOZnJlZWlwYSBydWxlcyEwKjAFBgMrZXADIQBs
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HlqIr4b/XNK+K8QLJKIzfvuNK0buBhLz3LAzY7QDEqAAMAUGAytlcANBAF4oSCbA
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5aIPukCidnZJdr491G4LBE+URecYXsPknwYb+V+ONnf5ycZHyaFv+jkUBFGFeDgU
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SYaXm/gF8cDYjQI=
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-----END CERTIFICATE REQUEST-----
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principal: HTTP/www.example.com
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register: cert
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- name: Request certificate for a user, with an appropriate profile.
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ipacert:
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ipaadmin_password: SomeADMINpassword
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csr: |
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-----BEGIN CERTIFICATE REQUEST-----
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MIIBejCB5AIBADAQMQ4wDAYDVQQDDAVwaW5reTCBnzANBgkqhkiG9w0BAQEFAAOB
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jQAwgYkCgYEA7uChccy1Is1FTM0SF23WPYW472E3ozeLh2kzhKR9Ni6FLmeEGgu7
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/hicR1VwvXHYkNwI1tpW9LqxRVvgr6vheqHySljrBcoRfshfYvKejp03l2327Bfq
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BNxXqLcHylNEyg8SH0u63bWyxtgoDBfdZwdGAhYuJ+g4ev79J5eYoB0CAwEAAaAr
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MCkGCSqGSIb3DQEJDjEcMBowGAYHKoZIzlYIAQQNDAtoZWxsbyB3b3JsZDANBgkq
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hkiG9w0BAQsFAAOBgQADCi5BHDv1mrBFDWqYytFpQ1mrvr/mdax3AYXxNL2UEV8j
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AqZAFTEnJXL/u1eVQtI1yotqxakyUBN4XZBP2CBgJRO93Mtry8cgvU1sPdU8Mavx
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5gSnlP74Hio2ziscWWydlxpYxFx0gkKvu+0nyIpz954SVYwQ2wwk5FRqZnxI5w==
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-----END CERTIFICATE REQUEST-----
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principal: pinky
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profile_id: IECUserRoles
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state: requested
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- name: Temporarily hold a certificate
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ipacert:
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ipaadmin_password: SomeADMINpassword
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serial_number: 12345
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state: held
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- name: Remove a certificate hold
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ipacert:
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ipaadmin_password: SomeADMINpassword
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state: released
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serial_number: 12345
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- name: Permanently revoke a certificate issued by a lightweight sub-CA
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ipacert:
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ipaadmin_password: SomeADMINpassword
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state: revoked
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ca: vpn-ca
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serial_number: 0x98765
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reason: keyCompromise
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- name: Retrieve a certificate
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ipacert:
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ipaadmin_password: SomeADMINpassword
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serial_number: 12345
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state: retrieved
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register: cert_retrieved
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"""
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RETURN = """
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certificate:
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description: Certificate fields and data.
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returned: |
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if `state` is `requested` or `retrived` and `certificate_out`
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is not defined.
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type: dict
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contains:
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certificate:
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description: |
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Issued X509 certificate in PEM encoding. Will include certificate
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chain if `chain: true` is used.
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type: list
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elements: str
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returned: always
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issuer:
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description: X509 distinguished name of issuer.
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type: str
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sample: CN=Certificate Authority,O=EXAMPLE.COM
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returned: always
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serial_number:
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description: Serial number of the issued certificate.
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type: int
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sample: 902156300
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returned: always
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valid_not_after:
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description: |
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Time when issued certificate ceases to be valid,
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in GeneralizedTime format (YYYYMMDDHHMMSSZ).
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type: str
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returned: always
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valid_not_before:
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description: |
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Time when issued certificate becomes valid, in
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GeneralizedTime format (YYYYMMDDHHMMSSZ).
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type: str
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returned: always
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subject:
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description: X509 distinguished name of certificate subject.
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type: str
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sample: CN=www.example.com,O=EXAMPLE.COM
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returned: always
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san_dnsname:
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description: X509 Subject Alternative Name.
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type: list
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elements: str
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sample: ['www.example.com', 'other.example.com']
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returned: |
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when DNSNames are present in the Subject Alternative Name
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extension of the issued certificate.
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revoked:
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description: Revoked status of the certificate.
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type: bool
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returned: always
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owner_user:
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description: The username that owns the certificate.
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type: str
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returned: when `state` is `retrieved`
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owner_host:
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description: The host that owns the certificate.
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type: str
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returned: when `state` is `retrieved`
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owner_service:
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description: The service that owns the certificate.
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type: str
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returned: when `state` is `retrieved`
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"""
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import base64
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import time
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import ssl
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from ansible.module_utils import six
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from ansible.module_utils._text import to_text
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from ansible.module_utils.ansible_freeipa_module import (
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IPAAnsibleModule, certificate_loader, write_certificate_list,
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)
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if six.PY3:
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unicode = str
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# Reasons are defined in RFC 5280 sec. 5.3.1; removeFromCRL is not present in
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# this list; run the module with state=released instead.
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REVOCATION_REASONS = {
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'unspecified': 0,
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'keyCompromise': 1,
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'cACompromise': 2,
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'affiliationChanged': 3,
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'superseded': 4,
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'cessationOfOperation': 5,
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'certificateHold': 6,
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'removeFromCRL': 8,
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'privilegeWithdrawn': 9,
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'aACompromise': 10,
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}
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def gen_args(
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module, principal=None, add_principal=None, ca=None, chain=None,
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profile=None, certificate_out=None, reason=None
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):
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args = {}
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if principal is not None:
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args['principal'] = principal
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if add_principal is not None:
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args['add'] = add_principal
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if ca is not None:
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args['cacn'] = ca
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if profile is not None:
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args['profile_id'] = profile
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if certificate_out is not None:
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args['out'] = certificate_out
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if chain:
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args['chain'] = True
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if ca:
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args['cacn'] = ca
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if reason is not None:
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args['revocation_reason'] = get_revocation_reason(module, reason)
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return args
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def get_revocation_reason(module, reason):
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"""Ensure revocation reasion is a valid integer code."""
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reason_int = -1
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try:
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reason_int = int(reason)
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except ValueError:
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reason_int = REVOCATION_REASONS.get(reason, -1)
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if reason_int not in REVOCATION_REASONS.values():
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module.fail_json(msg="Invalid revocation reason: %s" % reason)
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return reason_int
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def parse_cert_timestamp(dt):
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"""Ensure time is in GeneralizedTime format (YYYYMMDDHHMMSSZ)."""
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return time.strftime(
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"%Y%m%d%H%M%SZ",
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time.strptime(dt, "%a %b %d %H:%M:%S %Y UTC")
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)
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def result_handler(_module, result, _command, _name, _args, exit_args, chain):
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"""Split certificate into fields."""
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if chain:
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exit_args['certificate'] = [
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ssl.DER_cert_to_PEM_cert(c)
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for c in result['result'].get('certificate_chain', [])
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]
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else:
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exit_args['certificate'] = [
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ssl.DER_cert_to_PEM_cert(
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base64.b64decode(result['result']['certificate'])
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)
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]
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exit_args['san_dnsname'] = [
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str(dnsname)
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for dnsname in result['result'].get('san_dnsname', [])
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]
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exit_args.update({
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key: result['result'][key]
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for key in [
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'issuer', 'subject', 'serial_number',
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'revoked', 'revocation_reason'
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]
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if key in result['result']
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})
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exit_args.update({
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key: result['result'][key][0]
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for key in ['owner_user', 'owner_host', 'owner_service']
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if key in result['result']
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})
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exit_args.update({
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key: parse_cert_timestamp(result['result'][key])
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for key in ['valid_not_after', 'valid_not_before']
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if key in result['result']
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})
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def do_cert_request(
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module, csr, principal, add_principal=None, ca=None, profile=None,
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chain=None, certificate_out=None
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):
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"""Request a certificate."""
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args = gen_args(
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module, principal=principal, ca=ca, chain=chain,
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add_principal=add_principal, profile=profile,
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)
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exit_args = {}
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commands = [[to_text(csr), "cert_request", args]]
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changed = module.execute_ipa_commands(
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commands,
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result_handler=result_handler,
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exit_args=exit_args,
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chain=chain
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)
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if certificate_out is not None:
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certs = (
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certificate_loader(cert.encode("utf-8"))
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for cert in exit_args['certificate']
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)
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write_certificate_list(certs, certificate_out)
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exit_args = {}
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return changed, exit_args
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def do_cert_revoke(ansible_module, serial_number, reason=None, ca=None):
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"""Revoke a certificate."""
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_ign, cert = do_cert_retrieve(ansible_module, serial_number, ca)
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if not cert or cert.get('revoked', False):
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return False, cert
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args = gen_args(ansible_module, ca=ca, reason=reason)
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commands = [[serial_number, "cert_revoke", args]]
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changed = ansible_module.execute_ipa_commands(commands)
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return changed, cert
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def do_cert_release(ansible_module, serial_number, ca=None):
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"""Release hold on certificate."""
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_ign, cert = do_cert_retrieve(ansible_module, serial_number, ca)
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revoked = cert.get('revoked', True)
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reason = cert.get('revocation_reason', -1)
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if cert and not revoked:
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return False, cert
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if revoked and reason != 6: # can only release held certificates
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ansible_module.fail_json(
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msg="Cannot release hold on certificate revoked with"
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" reason: %d" % reason
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)
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args = gen_args(ansible_module, ca=ca)
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commands = [[serial_number, "cert_remove_hold", args]]
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changed = ansible_module.execute_ipa_commands(commands)
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return changed, cert
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def do_cert_retrieve(
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module, serial_number, ca=None, chain=None, outfile=None
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):
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"""Retrieve a certificate with 'cert-show'."""
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args = gen_args(module, ca=ca, chain=chain, certificate_out=outfile)
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exit_args = {}
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commands = [[serial_number, "cert_show", args]]
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module.execute_ipa_commands(
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commands,
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result_handler=result_handler,
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exit_args=exit_args,
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chain=chain,
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)
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if outfile is not None:
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exit_args = {}
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return False, exit_args
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def main():
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ansible_module = IPAAnsibleModule(
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argument_spec=dict(
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# requested
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csr=dict(type="str"),
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csr_file=dict(type="str"),
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principal=dict(type="str"),
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add_principal=dict(type="bool", required=False, aliases=["add"]),
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profile_id=dict(type="str", aliases=["profile"], required=False),
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# revoked
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revocation_reason=dict(type="raw", aliases=["reason"]),
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# general
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serial_number=dict(type="int"),
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ca=dict(type="str"),
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chain=dict(type="bool", required=False),
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certificate_out=dict(type="str", required=False),
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# state
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state=dict(
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type="str",
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required=True,
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choices=[
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"requested", "held", "released", "revoked", "retrieved"
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]
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),
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),
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mutually_exclusive=[["csr", "csr_file"]],
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required_if=[
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('state', 'requested', ['principal']),
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('state', 'retrieved', ['serial_number']),
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('state', 'held', ['serial_number']),
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('state', 'released', ['serial_number']),
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('state', 'revoked', ['serial_number', 'revocation_reason']),
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],
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supports_check_mode=False,
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)
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ansible_module._ansible_debug = True
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# Get parameters
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# requested
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csr = ansible_module.params_get("csr")
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csr_file = ansible_module.params_get("csr_file")
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principal = ansible_module.params_get("principal")
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add_principal = ansible_module.params_get("add_principal")
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profile = ansible_module.params_get("profile_id")
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# revoked
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reason = ansible_module.params_get("revocation_reason")
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# general
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serial_number = ansible_module.params.get("serial_number")
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ca = ansible_module.params_get("ca")
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chain = ansible_module.params_get("chain")
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certificate_out = ansible_module.params_get("certificate_out")
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# state
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state = ansible_module.params_get("state")
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# Check parameters
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if ansible_module.params_get("ipaapi_context") == "server":
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ansible_module.fail_json(
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msg="Context 'server' for ipacert is not yet supported."
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)
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invalid = []
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if state == "requested":
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invalid = ["serial_number", "revocation_reason"]
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if csr is None and csr_file is None:
|
|
ansible_module.fail_json(
|
|
msg="Required 'csr' or 'csr_file' with 'state: requested'.")
|
|
else:
|
|
invalid = [
|
|
"csr", "principal", "add_principal", "profile"
|
|
"certificate_out"
|
|
]
|
|
if state in ["released", "held"]:
|
|
invalid.extend(["revocation_reason", "certificate_out", "chain"])
|
|
if state == "retrieved":
|
|
invalid.append("revocation_reason")
|
|
if state == "revoked":
|
|
invalid.extend(["certificate_out", "chain"])
|
|
elif state == "held":
|
|
reason = 6 # certificateHold
|
|
|
|
ansible_module.params_fail_used_invalid(invalid, state)
|
|
|
|
# Init
|
|
|
|
changed = False
|
|
exit_args = {}
|
|
|
|
# Connect to IPA API
|
|
# If executed on 'server' contexot, cert plugin uses the IPA RA agent
|
|
# TLS client certificate/key, which users are not able to access,
|
|
# resulting in a 'permission denied' exception when attempting to connect
|
|
# the CA service. Therefore 'client' context in forced for this module.
|
|
with ansible_module.ipa_connect(context="client"):
|
|
|
|
if state == "requested":
|
|
if csr_file is not None:
|
|
with open(csr_file, "rt") as csr_in:
|
|
csr = "".join(csr_in.readlines())
|
|
changed, exit_args = do_cert_request(
|
|
ansible_module,
|
|
csr,
|
|
principal,
|
|
add_principal,
|
|
ca,
|
|
profile,
|
|
chain,
|
|
certificate_out
|
|
)
|
|
|
|
elif state in ("held", "revoked"):
|
|
changed, exit_args = do_cert_revoke(
|
|
ansible_module, serial_number, reason, ca)
|
|
|
|
elif state == "released":
|
|
changed, exit_args = do_cert_release(
|
|
ansible_module, serial_number, ca)
|
|
|
|
elif state == "retrieved":
|
|
changed, exit_args = do_cert_retrieve(
|
|
ansible_module, serial_number, ca, chain, certificate_out)
|
|
|
|
# Done
|
|
|
|
ansible_module.exit_json(changed=changed, certificate=exit_args)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
main()
|