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

# Authors:

#   Thomas Woerner <twoerner@redhat.com>

#

# Based on ipa-client-install code

#

# Copyright (C) 2017  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: ipaserver_setup_dns

short description: Setup DNS

description: Setup DNS

options:

  ip_addresses:

    description: List of Master Server IP Addresses

    required: yes

  domain:

    description: Primary DNS domain of the IPA deployment

    required: no

  realm:

    description: Kerberos realm name of the IPA deployment

    required: no

  hostname:

    description: Fully qualified name of this host

    required: no

  setup_dns:

    description: Configure bind with our zone

    required: no

  setup_ca:

    description: Configure a dogtag CA

    required: no

  zonemgr:

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

    required: yes

  forwarders:

    description: Add DNS forwarders

    required: no

  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

author:

    - Thomas Woerner

'''

EXAMPLES = '''

'''

RETURN = '''

'''

from ansible.module_utils.basic import AnsibleModule

from ansible.module_utils.ansible_ipa_server import (

    AnsibleModuleLog, setup_logging, options, paths, dns,

    ansible_module_get_parsed_ip_addresses, sysrestore, api_Backend_ldap2,

    redirect_stdout, bindinstance

)

def main():

    ansible_module = AnsibleModule(

        argument_spec=dict(

            # basic

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

            domain=dict(required=True),

            realm=dict(required=True),

            hostname=dict(required=True),

            # server

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

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

            # dns

            zonemgr=dict(required=False),

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

            forward_policy=dict(default='first', 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'),

        ),

    )

    ansible_module._ansible_debug = True

    setup_logging()

    ansible_log = AnsibleModuleLog(ansible_module)

    # set values ############################################################

    # basic

    options.ip_addresses = ansible_module_get_parsed_ip_addresses(

        ansible_module)

    options.domain_name = ansible_module.params.get('domain')

    options.realm_name = ansible_module.params.get('realm')

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

    # server

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

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

    # 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')

    # init ##################################################################

    fstore = sysrestore.FileStore(paths.SYSRESTORE)

    api_Backend_ldap2(options.host_name, options.setup_ca, connect=True)

    # setup dns #############################################################

    with redirect_stdout(ansible_log):

        if options.setup_dns:

            dns.install(False, False, options)

        else:

            # Create a BIND instance

            bind = bindinstance.BindInstance(fstore)

            bind.set_output(ansible_log)

            bind.setup(options.host_name, options.ip_addresses,

                       options.realm_name,

                       options.domain_name, (), 'first', (),

                       zonemgr=options.zonemgr,

                       no_dnssec_validation=options.no_dnssec_validation)

            bind.create_file_with_system_records()

    # done ##################################################################

    ansible_module.exit_json(changed=True)

if __name__ == '__main__':

    main()