---
#
# Copyright (c) 2019 Wind River Systems, Inc.
#
# SPDX-License-Identifier: Apache-2.0
#
# SUB-TASKS DESCRIPTION:
#   Validate DNS IP format and reachability
#

- block:
  - name: Check format of DNS Server IP
    debug:
      msg: "DNS Server: {{ dns_server }}"
    failed_when: dns_server | ipaddr == False

  - name: Perform ping test
    command: ping -w 1 {{ dns_server }}
    register: ping_result
    failed_when: false

  - name: Fail if DNS Server is unreachable
    fail:
      msg: "The provided DNS Server {{ dns_server }} is unreachable."
    when: ping_result.rc !=0

  when: dns_server != default_dns_server

  vars:
    default_dns_server: 192.168.204.2