---
- name: Validate parameters
  assert:
    that:
      - keycloak_jboss_home is defined
      - keycloak_service_user is defined
      - keycloak_dest is defined
      - keycloak_archive is defined
      - keycloak_download_url is defined
      - keycloak_version is defined
    quiet: true

- name: Check for an existing deployment
  become: yes
  stat:
    path: "{{ keycloak_jboss_home }}"
  register: existing_deploy

- block:
    - name: Stop the old keycloak service
      become: yes
      ignore_errors: yes
      systemd:
        name: keycloak
        state: stopped
    - name: Remove the old Keycloak deployment
      become: yes
      file:
        path: "{{ keycloak_jboss_home }}"
        state: absent
  when: existing_deploy.stat.exists and keycloak_force_install|bool

- name: check for an existing deployment after possible forced removal
  become: yes
  stat:
    path: "{{ keycloak_jboss_home }}"

- name: create Keycloak service user/group
  become: yes
  user:
    name: "{{ keycloak_service_user }}"
    home: /opt/keycloak
    system: yes
    create_home: no

- name: create Keycloak install location
  become: yes
  file:
    dest: "{{ keycloak_dest }}"
    state: directory
    owner: "{{ keycloak_service_user }}"
    group: "{{ keycloak_service_group }}"
    mode: 0750

## check remote archive
- name: Set download archive path
  set_fact:
    archive: "{{ keycloak_dest }}/{{ keycloak.bundle }}"

- name: Check download archive path
  stat:
    path: "{{ archive }}"
  register: archive_path

## download to controller
- name: Check load download archive path
  stat:
    path: "{{ lookup('env', 'PWD') }}"
  register: local_path
  delegate_to: localhost

- name: Download keycloak archive
  get_url:
    url: "{{ keycloak_download_url }}"
    dest: "{{ local_path.stat.path }}/{{ keycloak.bundle }}"
  delegate_to: localhost
  when:
    - archive_path is defined
    - archive_path.stat is defined
    - not archive_path.stat.exists
    - not keycloak_rhsso_enable
    - not keycloak_offline_install

- name: Performing download from RHN
  redhat_csp_download:
    url: "{{ keycloak_rhsso_download_url }}"
    dest: "{{ local_path.stat.path }}/{{ keycloak.bundle }}"
    username: "{{ rhn_username }}"
    password: "{{ rhn_password }}"
  no_log: "{{ omit_rhn_output | default(true) }}"
  delegate_to: localhost
  when:
    - archive_path is defined
    - archive_path.stat is defined
    - not archive_path.stat.exists
    - keycloak_rhsso_enable
    - not keycloak_offline_install
    - keycloak_rhn_url in keycloak_rhsso_download_url

- name: Download rhsso archive from alternate location
  get_url:
    url: "{{ keycloak_rhsso_download_url }}"
    dest: "{{ local_path.stat.path }}/{{ keycloak.bundle }}"
  delegate_to: localhost
  when:
    - archive_path is defined
    - archive_path.stat is defined
    - not archive_path.stat.exists
    - keycloak_rhsso_enable
    - not keycloak_offline_install
    - not keycloak_rhn_url in keycloak_rhsso_download_url

- name: Check downloaded archive
  stat:
    path: "{{ local_path.stat.path }}/{{ keycloak.bundle }}"
  register: local_archive_path
  delegate_to: localhost

## copy and unpack
- name: Copy archive to target nodes
  copy:
    src: "{{ local_path.stat.path }}/{{ keycloak.bundle }}"
    dest: "{{ archive }}"
    owner: "{{ keycloak_service_user }}"
    group: "{{ keycloak_service_group }}"
    mode: 0750
  register: new_version_downloaded
  when:
    - not archive_path.stat.exists
    - local_archive_path.stat is defined
    - local_archive_path.stat.exists
  become: yes

- name: "Check target directory: {{ keycloak.home }}"
  stat:
    path: "{{ keycloak.home }}"
  register: path_to_workdir
  become: yes

- name: "Extract {{ 'Red Hat Single Sign-On' if keycloak_rhsso_enable else 'Keycloak' }} archive on target"
  unarchive:
    remote_src: yes
    src: "{{ archive }}"
    dest: "{{ keycloak_dest }}"
    creates: "{{ keycloak.home }}"
    owner: "{{ keycloak_service_user }}"
    group: "{{ keycloak_service_group }}"
  become: yes
  when:
    - new_version_downloaded.changed or not path_to_workdir.stat.exists
  notify:
    - restart keycloak

- name: Inform decompression was not executed
  debug:
    msg: "{{ keycloak.home }} already exists and version unchanged, skipping decompression"
  when:
    - not new_version_downloaded.changed and path_to_workdir.stat.exists

- name: "Reown installation directory to {{ keycloak_service_user }}"
  file:
    path: "{{ keycloak.home }}"
    owner: "{{ keycloak_service_user }}"
    group: "{{ keycloak_service_group }}"
    recurse: true
  become: yes
  changed_when: false

# driver and configuration
- name: "Install {{ keycloak_jdbc_engine }} driver"
  include_role:
    name: wildfly_driver
  vars:
      wildfly_user: "{{ keycloak_service_user }}"
      jdbc_driver_module_dir: "{{ keycloak_jdbc[keycloak_jdbc_engine].driver_module_dir }}"
      jdbc_driver_version: "{{ keycloak_jdbc[keycloak_jdbc_engine].driver_version }}"
      jdbc_driver_jar_filename: "{{ keycloak_jdbc[keycloak_jdbc_engine].driver_jar_filename }}"
      jdbc_driver_jar_url: "{{ keycloak_jdbc[keycloak_jdbc_engine].driver_jar_url }}"
      jdbc_driver_jar_installation_path: "{{ keycloak_jdbc[keycloak_jdbc_engine].driver_module_dir }}/{{ keycloak_jdbc[keycloak_jdbc_engine].driver_jar_filename }}"
      jdbc_driver_module_name: "{{ keycloak_jdbc[keycloak_jdbc_engine].driver_module_name }}"
  when: keycloak_jdbc[keycloak_jdbc_engine].enabled

- name: "Deploy {{ keycloak.service_name }} config to {{ keycloak_config_path_to_standalone_xml }}"
  become: yes
  template:
    src: templates/standalone.xml.j2
    dest: "{{ keycloak_config_path_to_standalone_xml }}"
    owner: "{{ keycloak_service_user }}"
    group: "{{ keycloak_service_group }}"
    mode: 0640
  notify:
    - restart keycloak
  when: not keycloak_remotecache.enabled

- name: "Deploy {{ keycloak.service_name }} config with remote cache store to {{ keycloak_config_path_to_standalone_xml }}"
  become: yes
  template:
    src: templates/standalone-infinispan.xml.j2
    dest: "{{ keycloak_config_path_to_standalone_xml }}"
    owner: "{{ keycloak_service_user }}"
    group: "{{ keycloak_service_group }}"
    mode: 0640
  notify:
    - restart keycloak
  when: keycloak_remotecache.enabled