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https://github.com/freeipa/ansible-freeipa.git
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81916b4528
The use of version numbers for backward compatibility checks is not optimal because the version number is not changed if changes are back ported. The version dependant check has been replaced with an inspect argspec check.
222 lines
7.5 KiB
Python
222 lines
7.5 KiB
Python
#!/usr/bin/python
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# -*- coding: utf-8 -*-
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# Authors:
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# Thomas Woerner <twoerner@redhat.com>
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#
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# Based on ipa-client-install code
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#
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# Copyright (C) 2017 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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ANSIBLE_METADATA = {'metadata_version': '1.0',
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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: ipaclient_api
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short description: Create temporary NSS database, call IPA API for remaining enrollment parts
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description:
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Create temporary NSS database, call IPA API for remaining enrollment parts
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options:
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realm:
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description: The Kerberos realm of an existing IPA deployment.
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required: true
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hostname:
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description: The hostname of the machine to join (FQDN).
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required: true
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debug:
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description: Turn on extra debugging
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required: false
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type: bool
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default: no
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author:
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- Thomas Woerner
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'''
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EXAMPLES = '''
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- name: IPA API calls for remaining enrollment parts
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ipaclient_api:
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servers: ["server1.example.com","server2.example.com"]
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domain: example.com
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hostname: client1.example.com
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register: result_ipaclient_api
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'''
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RETURN = '''
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ca_enabled:
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description: Wheter the Certificate Authority is enabled or not.
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returned: always
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type: bool
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subject_base:
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description: The subject base, needed for certmonger
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returned: always
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type: string
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sample: O=EXAMPLE.COM
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'''
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import os
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import sys
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import time
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import tempfile
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import inspect
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from ansible.module_utils.basic import AnsibleModule
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from ansible.module_utils.ansible_ipa_client import *
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def main():
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module = AnsibleModule(
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argument_spec = dict(
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servers=dict(required=True, type='list'),
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realm=dict(required=True),
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hostname=dict(required=True),
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debug=dict(required=False, type='bool', default="false")
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),
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supports_check_mode = True,
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)
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module._ansible_debug = True
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realm = module.params.get('realm')
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hostname = module.params.get('hostname')
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servers = module.params.get('servers')
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debug = module.params.get('debug')
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host_principal = 'host/%s@%s' % (hostname, realm)
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os.environ['KRB5CCNAME'] = paths.IPA_DNS_CCACHE
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ca_certs = x509.load_certificate_list_from_file(paths.IPA_CA_CRT)
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if NUM_VERSION >= 40500 and NUM_VERSION < 40590:
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ca_certs = [ cert.public_bytes(serialization.Encoding.DER)
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for cert in ca_certs ]
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elif NUM_VERSION < 40500:
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ca_certs = [ cert.der_data for cert in ca_certs ]
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with certdb.NSSDatabase() as tmp_db:
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api.bootstrap(context='cli_installer',
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confdir=paths.ETC_IPA,
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debug=debug,
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delegate=False,
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nss_dir=tmp_db.secdir)
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if 'config_loaded' not in api.env:
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module.fail_json(msg="Failed to initialize IPA API.")
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# Clear out any current session keyring information
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try:
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delete_persistent_client_session_data(host_principal)
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except ValueError:
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pass
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# Add CA certs to a temporary NSS database
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try:
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argspec = inspect.getargspec(tmp_db.create_db)
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if "password_filename" not in argspec.args:
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tmp_db.create_db()
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else:
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pwd_file = write_tmp_file(ipa_generate_password())
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tmp_db.create_db(pwd_file.name)
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for i, cert in enumerate(ca_certs):
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if hasattr(certdb, "EXTERNAL_CA_TRUST_FLAGS"):
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tmp_db.add_cert(cert,
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'CA certificate %d' % (i + 1),
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certdb.EXTERNAL_CA_TRUST_FLAGS)
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else:
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tmp_db.add_cert(cert, 'CA certificate %d' % (i + 1),
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'C,,')
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except CalledProcessError as e:
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module.fail_json(msg="Failed to add CA to temporary NSS database.")
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api.finalize()
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# Now, let's try to connect to the server's RPC interface
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connected = False
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try:
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api.Backend.rpcclient.connect()
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connected = True
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module.debug("Try RPC connection")
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api.Backend.rpcclient.forward('ping')
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except errors.KerberosError as e:
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if connected:
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api.Backend.rpcclient.disconnect()
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module.log(
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"Cannot connect to the server due to Kerberos error: %s. "
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"Trying with delegate=True" % e)
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try:
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api.Backend.rpcclient.connect(delegate=True)
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module.debug("Try RPC connection")
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api.Backend.rpcclient.forward('ping')
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module.log("Connection with delegate=True successful")
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# The remote server is not capable of Kerberos S4U2Proxy
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# delegation. This features is implemented in IPA server
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# version 2.2 and higher
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module.warn(
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"Target IPA server has a lower version than the enrolled "
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"client")
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module.warn(
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"Some capabilities including the ipa command capability "
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"may not be available")
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except errors.PublicError as e2:
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module.fail_json(
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msg="Cannot connect to the IPA server RPC interface: %s" % e2)
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except errors.PublicError as e:
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module.fail_json(
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msg="Cannot connect to the server due to generic error: %s" % e)
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# Use the RPC directly so older servers are supported
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try:
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result = api.Backend.rpcclient.forward(
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'ca_is_enabled',
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version=u'2.107',
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)
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ca_enabled = result['result']
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except (errors.CommandError, errors.NetworkError):
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result = api.Backend.rpcclient.forward(
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'env',
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server=True,
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version=u'2.0',
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)
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ca_enabled = result['result']['enable_ra']
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if not ca_enabled:
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disable_ra()
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# Get subject base from ipa server
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try:
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config = api.Command['config_show']()['result']
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subject_base = str(DN(config['ipacertificatesubjectbase'][0]))
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except errors.PublicError as e:
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try:
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config = api.Backend.rpcclient.forward(
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'config_show',
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raw=True, # so that servroles are not queried
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version=u'2.0'
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)['result']
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except Exception as e:
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logger.debug("config_show failed %s", e, exc_info=True)
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module.fail_json(
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"Failed to retrieve CA certificate subject base: {}".format(e),
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rval=CLIENT_INSTALL_ERROR)
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else:
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subject_base = str(DN(config['ipacertificatesubjectbase'][0]))
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module.exit_json(changed=True,
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ca_enabled=ca_enabled,
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subject_base=subject_base)
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if __name__ == '__main__':
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main()
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