#!/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_setup_dns

short description: Setup DNS

description:

  Setup DNS

options:

  setup_kra:

    description: Configure a dogtag KRA

    required: yes

  setup_dns:

    description: Configure bind with our zone

    required: yes

  subject_base:

    description:

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

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

    required: no

  zonemgr:

    description: DNS zone manager e-mail address. Defaults to hostmaster@DOMAIN

    required: yes

  forwarders:

    description: Add DNS forwarders

    required: yes

  forward_policy:

    description: DNS forwarding policy for global forwarders

    required: yes

  no_dnssec_validation:

    description: Disable DNSSEC validation

    required: yes

  dns_ip_addresses:

    description: The dns ip_addresses setting

    required: no

  dns_reverse_zones:

    description: The dns reverse_zones setting

    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

  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, dns,

    ansible_module_get_parsed_ip_addresses

)

def main():

    ansible_module = AnsibleModule(

        argument_spec=dict(

            # server

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

            setup_dns=dict(required=False, type='bool'),

            # certificate system

            subject_base=dict(required=True),

            # dns

            zonemgr=dict(required=False),

            forwarders=dict(required=False, type='list', default=[]),

            forward_policy=dict(default=None, choices=['first', 'only']),

            no_dnssec_validation=dict(required=False, type='bool',

                                      default=False),

            # additional

            dns_ip_addresses=dict(required=True, type='list'),

            dns_reverse_zones=dict(required=True, type='list'),

            ccache=dict(required=True),

            _top_dir=dict(required=True),

            setup_ca=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

    # server

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

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

    # 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)

    # dns

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

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

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

    options.no_dnssec_validation = ansible_module.params.get(

        'no_dnssec_validation')

    # additional

    dns.ip_addresses = ansible_module_get_parsed_ip_addresses(

        ansible_module, 'dns_ip_addresses')

    dns.reverse_zones = ansible_module.params.get('dns_reverse_zones')

    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')

    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()

    config.subject_base = options.subject_base

    config.master_host_name = config_master_host_name

    remote_api = gen_remote_api(config.master_host_name, paths.ETC_IPA)

    installer._remote_api = remote_api

    ccache = os.environ['KRB5CCNAME']

    # There is a api.Backend.ldap2.connect call somewhere in ca, ds, dns or

    # ntpinstance

    api.Backend.ldap2.connect()

    with redirect_stdout(ansible_log):

        if options.setup_dns:

            ansible_log.debug("-- INSTALL DNS --")

            dns.install(False, True, options, api)

        else:

            ansible_log.debug("-- DNS UPDATE_SYSTEM_RECORDS --")

            api.Command.dns_update_system_records()

    # done #

    ansible_module.exit_json(changed=True)

if __name__ == '__main__':

    main()