---
# Copyright 2021 Red Hat, Inc.
# All Rights Reserved.
#
# 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.

- name: Set IP options
  set_fact:
    _sed_opts: "'s/.*dev \\([^ ]*\\).*/\\1/') "
    _ping_cmd: "{{ (':' in controller) | ternary('ping6', 'ping') }}"
- name: Lookup interface information
  register: _nic_mtu
  shell: |
    INT=$(ip ro get {{ controller }} | head -1 | sed '{{ _sed_opts }}')
    MTU=$(cat /sys/class/net/${INT}/mtu 2>/dev/null || echo "0")
    echo "$INT $MTU"
- name: Set interface vars
  set_fact:
    _nic: "{{ _nic_mtu.get('stdout', '').split(' ')[0] | default('lo') }}"
    _mtu: "{{ _nic_mtu.get('stdout', '').split(' ')[1] | default(0) | int - 28 }}"
- name: Network availability validation block
  block:
  - name: Check IP responsiveness
    command: "{{ _ping_cmd }} -w 10 -c 1 {{ controller }}"
    retries: 10
    delay: 60
    changed_when: false

  - name: Validate packet with {{ _mtu }} MTU size can reach controller from {{ _nic }}
    command: "{{ _ping_cmd }} -w 10 -s {{ _mtu }} -c 1 {{ controller }}"
    retries: 10
    delay: 60
    changed_when: false
    when: _mtu | int > 0
  when: _nic != 'lo'