---
# Copyright 2022 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: Check if the iSCSI initiator name (IQN) has been reset
  ansible.builtin.stat:
    path: /etc/iscsi/.initiator_reset
  register: initiator_reset_state

# NOTE: Each overcloud node must have its own, unique iSCSI Qualified Name
# (IQN) but it has to be reset once, and only once as all the services on the
# node must use the same IQN. It is reset based on the existence of
# .initiator_reset sentinel file.

- name: Ensure the system has a unique IQN
  when: initiator_reset_state.stat.exists == False
  block:

  - name: Generate a unique IQN
    ansible.builtin.command: podman run -ti --rm --name iscsid_config {{ tripleo_iscsid_config_image }} /usr/sbin/iscsi-iname
    register: iscsi_iname

  - name: Save the new IQN
    ansible.builtin.copy:
      dest: /etc/iscsi/initiatorname.iscsi
      content: "InitiatorName={{ iscsi_iname.stdout }}"

  - name: Record the IQN has been reset
    ansible.builtin.file:
      path: /etc/iscsi/.initiator_reset
      state: touch

- name: Write CHAP algorithms
  ansible.builtin.lineinfile:
    path: "/etc/iscsi/iscsid.conf"
    line: "node.session.auth.chap_algs = {{ tripleo_iscsid_chap_algs }}"
    regexp: "^node.session.auth.chap_algs"
    insertafter: "^#node.session.auth.chap.algs"
  register: modify_stat

- name: Record the iscsid container restart is required
  when : modify_stat.changed
  ansible.builtin.file:
   path: /etc/iscsi/.iscsid_restart_required
   state: touch