#!/usr/bin/env python3
#
# Copyright 2020 Red Hat, Inc
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.

from ansible.module_utils.basic import AnsibleModule


def main():
    module = AnsibleModule(
        argument_spec=dict(
            hostvars=dict(required=True, type='dict'),
            zk_group=dict(required=True, type='list'),
        )
    )

    p = module.params
    zk_hosts = []
    try:
        for host in p['zk_group']:
            # Prefer public_v6 if set, otherwise ansible_host
            addr = None
            if 'public_v6' in p['hostvars'][host]:
                addr = p['hostvars'][host]['public_v6']
            if not addr:
                addr = p['hostvars'][host]['ansible_host']

            zk_hosts.append(dict(
                host=addr,
                port=2281
            ))
        module.exit_json(hosts=zk_hosts, changed=True)
    except Exception as e:
        module.fail_json(msg=str(e), changed=True)

if __name__ == '__main__':
    main()