assert-dns-name-resolution.yml

# SPDX-License-Identifier: Apache-2.0
---

- name: Assert that the DNS domain is set
  ansible.builtin.assert:
    that: not( (ansible_facts['domain'] is undefined) or (ansible_facts['domain'] is none) or (ansible_facts['domain'] | trim == '') )
    fail_msg: "FAIL: The DNS domain is not configured! So variable 'sap_general_preconfigure_domain' needs to be configured!"
    success_msg: "PASS: The DNS domain is configured."
#  ignore_errors: "{{ sap_general_preconfigure_assert_ignore_errors | d(false) }}"
  ignore_errors: true

- name: Assert that variable sap_general_preconfigure_domain is set
  ansible.builtin.assert:
    that: not( (sap_general_preconfigure_domain is undefined) or (sap_general_preconfigure_domain is none) or (sap_general_preconfigure_domain | trim == '') )
    fail_msg: "FAIL: The variable 'sap_general_preconfigure_domain' is not set!"
    success_msg: "PASS: The variable 'sap_general_preconfigure_domain' is set."
  ignore_errors: "{{ sap_general_preconfigure_assert_ignore_errors | d(false) }}"

- name: Check if the bind-utils package, which contains the dig command, is available
  ansible.builtin.assert:
    that: "'bind-utils' in ansible_facts.packages"
    fail_msg: "FAIL: The package 'bind-utils' is not installed! DNS checking not possible!"
  ignore_errors: "{{ sap_general_preconfigure_assert_ignore_errors | d(false) }}"

- name: Check if IP address for sap_general_preconfigure_hostname.sap_general_preconfigure_domain is resolved correctly
  ansible.builtin.command: dig {{ sap_general_preconfigure_hostname }}.{{ sap_general_preconfigure_domain }} +short
  register: __sap_general_preconfigure_register_dig_short_assert
  ignore_errors: true
  changed_when: false
  when: "'bind-utils' in ansible_facts.packages"

- name: Assert that ansible_facts['default_ipv4'].address is set
  ansible.builtin.assert:
    that: not( (ansible_facts['default_ipv4'].address is undefined) or (ansible_facts['default_ipv4'].address is none) or (ansible_facts['default_ipv4'].address | trim == '') )
    fail_msg: "FAIL: The variable 'ansible_facts['default_ipv4'].address' is not defined!"
    success_msg: "PASS: The variable 'ansible_facts['default_ipv4'].address' is defined."
  ignore_errors: "{{ sap_general_preconfigure_assert_ignore_errors | d(false) }}"

- name: Assert that sap_general_preconfigure_ip is set
  ansible.builtin.assert:
    that: __sap_general_preconfigure_register_dig_short_assert.stdout == sap_general_preconfigure_ip
    fail_msg: "FAIL: The variable 'sap_general_preconfigure_ip' is not set!"
    success_msg: "PASS: The variable 'sap_general_preconfigure_ip' is set."
  ignore_errors: "{{ sap_general_preconfigure_assert_ignore_errors | d(false) }}"
  when: "'bind-utils' in ansible_facts.packages"

### BUG: dig does not use search path in resolv.con on PPCle
- name: Check if IP address for sap_general_preconfigure_hostname with search path is resolved correctly
  ansible.builtin.command: dig {{ sap_general_preconfigure_hostname }} +search +short
  register: __sap_general_preconfigure_register_dig_search_short_assert
  changed_when: false
  ignore_errors: true
  when: "'bind-utils' in ansible_facts.packages"

- name: Assert that the IP address for sap_general_preconfigure_hostname is resolved correctly
  ansible.builtin.assert:
    that: __sap_general_preconfigure_register_dig_search_short_assert.stdout == sap_general_preconfigure_ip
    fail_msg: "FAIL: The IP address for 'sap_general_preconfigure_hostname' could not be resolved!"
    success_msg: "PASS: The IP address for 'sap_general_preconfigure_hostname' was resolved."
  ignore_errors: "{{ sap_general_preconfigure_assert_ignore_errors | d(true) }}"
  when: "'bind-utils' in ansible_facts.packages"

- name: Check if the reverse name resolution is correct
  ansible.builtin.command: dig -x {{ sap_general_preconfigure_ip }} +short
  register: __sap_general_preconfigure_register_dig_reverse_assert
  changed_when: false
  ignore_errors: true
  when: "'bind-utils' in ansible_facts.packages"

- name: Assert that the reverse name resolution is correct
  ansible.builtin.assert:
    that: __sap_general_preconfigure_register_dig_reverse_assert.stdout == (sap_general_preconfigure_hostname + '.' + sap_general_preconfigure_domain + '.')
    fail_msg: "FAIL: The reverse name resolution of 'sap_general_preconfigure_ip' was not successful!"
    success_msg: "PASS: The reverse name resolution of 'sap_general_preconfigure_ip' was successful."
  ignore_errors: "{{ sap_general_preconfigure_assert_ignore_errors | d(true) }}"
  when: "'bind-utils' in ansible_facts.packages"