# -*- 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_ntp

short description: Setup NTP

description: Setup NTP

options:

  ntp_servers:

    description: ntp servers to use

    required: yes

  ntp_pool:

    description: ntp server pool to use

    required: yes

author:

    - Thomas Woerner

'''

EXAMPLES = '''

'''

RETURN = '''

'''

import inspect

from ansible.module_utils.basic import AnsibleModule

from ansible.module_utils.ansible_ipa_server import (

    AnsibleModuleLog, setup_logging, options, sysrestore, paths,

    redirect_stdout, time_service, sync_time, ntpinstance, timeconf

)

def main():

    ansible_module = AnsibleModule(

        argument_spec=dict(

            ntp_servers=dict(required=False, type='list', default=None),

            ntp_pool=dict(required=False, default=None),

        ),

    )

    ansible_module._ansible_debug = True

    setup_logging()

    ansible_log = AnsibleModuleLog(ansible_module)

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

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

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

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

    fstore = sysrestore.FileStore(paths.SYSRESTORE)

    sstore = sysrestore.StateFile(paths.SYSRESTORE)

    # setup NTP #####################################################

    if time_service == "chronyd":

        # We have to sync time before certificate handling on master.

        # As chrony configuration is moved from client here, unconfiguration of

        # chrony will be handled here in uninstall() method as well by invoking

        # the ipa-server-install --uninstall

        ansible_module.log("Synchronizing time")

        argspec = inspect.getargspec(sync_time)

        if "options" not in argspec.args:

            synced_ntp = sync_time(options.ntp_servers, options.ntp_pool,

                                   fstore, sstore)

        else:

            synced_ntp = sync_time(options, fstore, sstore)

        if not synced_ntp:

            ansible_module.log(

                "Warning: IPA was unable to sync time with chrony!")

            ansible_module.log(

                "         Time synchronization is required for IPA "

                "to work correctly")

    else:

        # Configure ntpd

        timeconf.force_ntpd(sstore)

        ntp = ntpinstance.NTPInstance(fstore)

        ntp.set_output(ansible_log)

        with redirect_stdout(ansible_log):

            if not ntp.is_configured():

                ntp.create_instance()

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

    ansible_module.exit_json(changed=True)

if __name__ == '__main__':

    main()