#!/usr/bin/python

# -*- coding: utf-8 -*-

# Authors:

#   Thomas Woerner <twoerner@redhat.com>

#

# Based on ipa-replica-install code

#

# Copyright (C) 2018  Red Hat

# see file 'COPYING' for use and warranty information

#

# This program is free software; you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation, either version 3 of the License, or

# (at your option) any later version.

#

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program.  If not, see <http://www.gnu.org/licenses/>.

from __future__ import print_function

ANSIBLE_METADATA = {

    'metadata_version': '1.0',

    'supported_by': 'community',

    'status': ['preview'],

}

DOCUMENTATION = '''

---

module: ipareplica_enable_ipa

short description: Enable IPA

description: Enable IPA

  Enable IPA

options:

  hostname:

    description: Fully qualified name of this host

    required: yes

  hidden_replica:

    description: Install a hidden replica

    required: yes

  subject_base:

    description:

      The certificate subject base (default O=<realm-name>).

      RDNs are in LDAP order (most specific RDN first).

    required: no

  ccache:

    description: The local ccache

    required: no

  _top_dir:

    description: The installer _top_dir setting

    required: no

  setup_ca:

    description: Configure a dogtag CA

    required: no

  setup_kra:

    description: Configure a dogtag KRA

    required: no

  config_master_host_name:

    description: The config master_host_name setting

    required: no

author:

    - Thomas Woerner

'''

EXAMPLES = '''

'''

RETURN = '''

'''

import os

from ansible.module_utils.basic import AnsibleModule

from ansible.module_utils.ansible_ipa_replica import (

    AnsibleModuleLog, setup_logging, installer, DN, paths,

    gen_env_boostrap_finalize_core, constants, api_bootstrap_finalize,

    gen_ReplicaConfig, gen_remote_api, api, redirect_stdout, service,

    find_providing_servers, services

)

def main():

    ansible_module = AnsibleModule(

        argument_spec=dict(

            hostname=dict(required=False),

            hidden_replica=dict(required=False, type='bool', default=False),

            # server

            # certificate system

            subject_base=dict(required=True),

            # additional

            ccache=dict(required=True),

            _top_dir=dict(required=True),

            setup_ca=dict(required=True, type='bool'),

            setup_kra=dict(required=True, type='bool'),

            config_master_host_name=dict(required=True),

        ),

        supports_check_mode=True,

    )

    ansible_module._ansible_debug = True

    setup_logging()

    ansible_log = AnsibleModuleLog(ansible_module)

    # get parameters #

    options = installer

    options.host_name = ansible_module.params.get('hostname')

    options.hidden_replica = ansible_module.params.get('hidden_replica')

    # server

    # certificate system

    options.subject_base = ansible_module.params.get('subject_base')

    if options.subject_base is not None:

        options.subject_base = DN(options.subject_base)

    # additional

    ccache = ansible_module.params.get('ccache')

    os.environ['KRB5CCNAME'] = ccache

    options._top_dir = ansible_module.params.get('_top_dir')

    options.setup_ca = ansible_module.params.get('setup_ca')

    options.setup_kra = ansible_module.params.get('setup_kra')

    config_master_host_name = ansible_module.params.get(

        'config_master_host_name')

    # init #

    ansible_log.debug("== INSTALL ==")

    env = gen_env_boostrap_finalize_core(paths.ETC_IPA,

                                         constants.DEFAULT_CONFIG)

    api_bootstrap_finalize(env)

    config = gen_ReplicaConfig()

    remote_api = gen_remote_api(config_master_host_name, paths.ETC_IPA)

    installer._remote_api = remote_api

    ccache = os.environ['KRB5CCNAME']

    api.Backend.ldap2.connect()

    with redirect_stdout(ansible_log):

        if options.hidden_replica:

            # Set services to hidden

            service.hide_services(config.host_name)

        else:

            # Enable configured services

            service.enable_services(config.host_name)

        # update DNS SRV records. Although it's only really necessary in

        # enabled-service case, also perform update in hidden replica case.

        api.Command.dns_update_system_records()

        ca_servers = find_providing_servers('CA', api.Backend.ldap2, api=api)

        api.Backend.ldap2.disconnect()

        # Everything installed properly, activate ipa service.

        services.knownservices.ipa.enable()

        # Print a warning if CA role is only installed on one server

        if len(ca_servers) == 1:

            msg = u'''

                WARNING: The CA service is only installed on one server ({}).

                It is strongly recommended to install it on another server.

                Run ipa-ca-install(1) on another master to accomplish this.

            '''.format(ca_servers[0])

            ansible_module.debug(msg)

    # done #

    ansible_module.exit_json(changed=True)

if __name__ == '__main__':

    main()