---
- name: Check if required variables are defined
  ansible.builtin.fail:
    msg: "{{ item }} is not defined or empty"
  when: |
    (vars[item] is undefined)
    or (vars[item] is none)
    or (vars[item] | trim | length == 0)    
  with_items:
    - koji_domain_name
    - koji_db_name
    - koji_db_user
    - koji_db_password
    - koji_db_server_ip
    - koji_kerberos_realm
    - koji_admin_user
    - koji_admin_principal
    - koji_admin_password
    - koji_hub_principal
    - koji_hub_keytab
    - koji_web_principal
    - koji_web_keytab
    - koji_kojira_principal
    - koji_kojira_keytab
    - koji_web_secret

- name: Install koji package and dependencies
  ansible.builtin.dnf:
    name:
      - koji
      - python3-psycopg2
    state: installed

- name: Check if Koji database is initialized
  community.postgresql.postgresql_query:
    db: "{{ koji_db_name }}"
    login_user: "{{ koji_db_user }}"
    login_password: "{{ koji_db_password }}"
    login_host: "{{ koji_db_server_ip }}"
    query: SELECT COUNT(*) FROM users
  ignore_errors: true
  register: koji_database_initialized
  changed_when: "koji_database_initialized.failed"

- name: Check if /usr/share/doc/koji/docs/schema.sql file exists
  ansible.builtin.stat:
    path: /usr/share/doc/koji/docs/schema.sql
  register: koji_docs_schema_result

- name: Initialize Koji database from /usr/share/doc/koji/docs/schema.sql
  community.postgresql.postgresql_query:
    db: "{{ koji_db_name }}"
    login_user: "{{ koji_db_user }}"
    login_password: "{{ koji_db_password }}"
    login_host: "{{ koji_db_server_ip }}"
    path_to_script: /usr/share/doc/koji/docs/schema.sql
  when: koji_database_initialized.failed and koji_docs_schema_result.stat.exists

- name: Initialize Koji database from /usr/share/koji/schema.sql
  community.postgresql.postgresql_query:
    db: "{{ koji_db_name }}"
    login_user: "{{ koji_db_user }}"
    login_password: "{{ koji_db_password }}"
    login_host: "{{ koji_db_server_ip }}"
    path_to_script: /usr/share/koji/schema.sql
  when: koji_database_initialized.failed and not koji_docs_schema_result.stat.exists

- name: Check if Koji admin DB user exists
  community.postgresql.postgresql_query:
    db: "{{ koji_db_name }}"
    login_user: "{{ koji_db_user }}"
    login_password: "{{ koji_db_password }}"
    login_host: "{{ koji_db_server_ip }}"
    query: SELECT name FROM users WHERE name = %(name)s
    named_args:
      name: "{{ koji_admin_user }}"
  register: koji_admin_initialized

- name: Create Koji admin DB user
  community.postgresql.postgresql_query:
    db: "{{ koji_db_name }}"
    login_user: "{{ koji_db_user }}"
    login_password: "{{ koji_db_password }}"
    login_host: "{{ koji_db_server_ip }}"
    query: >
      INSERT INTO users (name, status, usertype)
        VALUES (%(name)s, %(status)s, %(usertype)s)
        RETURNING id      
    named_args:
      name: "{{ koji_admin_user }}"
      status: 0
      usertype: 0
  register: koji_admin_insert
  when: koji_admin_initialized.rowcount == 0

- name: Set permissions for Koji admin DB user
  community.postgresql.postgresql_query:
    db: "{{ koji_db_name }}"
    login_user: "{{ koji_db_user }}"
    login_password: "{{ koji_db_password }}"
    login_host: "{{ koji_db_server_ip }}"
    query: >
      INSERT INTO user_perms (user_id, perm_id, creator_id)
        VALUES (%(user_id)s, 1, %(user_id)s)      
    named_args:
      user_id: "{{ koji_admin_insert.query_result[0]['id'] }}"
  when: koji_admin_insert.changed

- name: Configure Kerberos for Koji admin DB user
  community.postgresql.postgresql_query:
    db: "{{ koji_db_name }}"
    login_user: "{{ koji_db_user }}"
    login_password: "{{ koji_db_password }}"
    login_host: "{{ koji_db_server_ip }}"
    query: >
      INSERT INTO user_krb_principals (user_id, krb_principal)
        VALUES (%(user_id)s, %(krb_principal)s)      
    named_args:
      user_id: "{{ koji_admin_insert.query_result[0]['id'] }}"
      krb_principal: "{{ koji_admin_user }}@{{ koji_kerberos_realm }}"
  when: koji_admin_insert.changed

- name: Install and configure koji-hub
  import_tasks: koji_hub.yml

- name: Install and configure koji-web
  import_tasks: koji_web.yml

- name: Install and configure kojira
  import_tasks: kojira.yml

- name: Add Koji builders
  block:
    - name: Obtain Koji admin kerberos ticket
      ansible.builtin.shell: "echo '{{ koji_admin_password }}' | kinit {{ koji_admin_principal }}"
      changed_when: False
    
    - include: koji_add_host.yml
      vars:
        koji_build_host: "{{ item }}"
        koji_build_host_createrepo: true
      with_items: "{{ koji_builders }}"
  always:
    - name: Destroy Koji admin kerberos ticket
      ansible.builtin.command: "kdestroy -p {{ koji_admin_principal }}"
      ignore_errors: true
      changed_when: False
  when: koji_builders