computer-playbook/roles/web-app-keycloak/tasks/06_ldap.yml

- name: "Update REALM settings (merge LDAP component .config)"
  include_tasks: _update.yml
  vars:
    kc_object_kind:  "component"
    kc_lookup_value: "{{ KEYCLOAK_LDAP_CMP_NAME }}"
    kc_desired: >-
      {{
        (
          KEYCLOAK_DICTIONARY_REALM.components['org.keycloak.storage.UserStorageProvider']
          | selectattr('name','equalto', KEYCLOAK_LDAP_CMP_NAME)
          | list | first
        )
      }}
    kc_merge_path: "config"

- name: Resolve LDAP component id
  shell: >
    {{ KEYCLOAK_EXEC_KCADM }} get components
    -r {{ KEYCLOAK_REALM }}
    --query 'name={{ KEYCLOAK_LDAP_CMP_NAME }}'
    --fields id --format json | jq -r '.[0].id'
  register: ldap_cmp_id
  changed_when: false

- name: Assert LDAP component id resolved
  assert:
    that: [ "(ldap_cmp_id.stdout | trim) not in ['', 'null']" ]
    fail_msg: "LDAP component '{{ KEYCLOAK_LDAP_CMP_NAME }}' not found in Keycloak."

- name: Pull LDAP component from dictionary (by name)
  set_fact:
    ldap_component_tpl: >-
      {{
        KEYCLOAK_DICTIONARY_REALM.components['org.keycloak.storage.UserStorageProvider']
        | selectattr('name','equalto', KEYCLOAK_LDAP_CMP_NAME)
        | list | first | default({})
      }}

- name: Sanity check dictionary LDAP component
  assert:
    that:
      - ldap_component_tpl | length > 0
      - (ldap_component_tpl.subComponents | default({})) | length > 0
    fail_msg: "LDAP component '{{ KEYCLOAK_LDAP_CMP_NAME }}' not found in KEYCLOAK_DICTIONARY_REALM."

- name: Extract mapper 'ldap-roles' from template (raw)
  set_fact:
    desired_group_mapper_raw: >-
      {{
        (
          ldap_component_tpl.subComponents['org.keycloak.storage.ldap.mappers.LDAPStorageMapper']
          | default([])
        )
        | selectattr('name','equalto','ldap-roles')
        | list | first | default({})
      }}

- name: Ensure mapper exists in dictionary
  assert:
    that: [ "desired_group_mapper_raw | length > 0" ]
    fail_msg: "'ldap-roles' mapper not found in dictionary under LDAP component."

- name: Build clean mapper payload
  set_fact:
    desired_group_mapper: >-
      {{
        desired_group_mapper_raw
        | dict2items
        | rejectattr('key','in',['subComponents','id'])
        | list | items2dict
      }}

- name: Extract desired groups.path (if any)
  set_fact:
    desired_groups_path: "{{ (desired_group_mapper.config['groups.path'] | default([])) | first | default('') | trim }}"
    desired_groups_top: "{{ ( (desired_group_mapper.config['groups.path'] | default([])) | first | default('') | trim ).lstrip('/') | split('/') | first | default('') }}"
  changed_when: false

- name: Resolve existing top-level group id for groups.path
  when: desired_groups_top | length > 0
  shell: >
    {{ KEYCLOAK_EXEC_KCADM }} get groups -r {{ KEYCLOAK_REALM }} --format json
    | jq -r '.[] | select(.name=="{{ desired_groups_top }}") | .id' | head -n1
  register: groups_top_id
  changed_when: false

- name: Create top-level group for groups.path if missing
  when:
    - desired_groups_top | length > 0
    - (groups_top_id.stdout | trim) in ["", "null"]
  shell: >
    {{ KEYCLOAK_EXEC_KCADM }} create groups -r {{ KEYCLOAK_REALM }} -s name={{ desired_groups_top }}
  register: create_groups_top
  changed_when: create_groups_top.rc == 0
  failed_when: create_groups_top.rc != 0 and ('already exists' not in (create_groups_top.stderr | lower))

- name: Find existing 'ldap-roles' mapper under LDAP component
  shell: >
    {{ KEYCLOAK_EXEC_KCADM }} get components
    -r {{ KEYCLOAK_REALM }}
    --query "parent={{ ldap_cmp_id.stdout | trim }}&type=org.keycloak.storage.ldap.mappers.LDAPStorageMapper&name=ldap-roles"
    --format json
    | jq -r '.[] | select(.parentId=="{{ ldap_cmp_id.stdout | trim }}" and .name=="ldap-roles") | .id' | head -n1
  register: grp_mapper_id
  changed_when: false

- name: Create 'ldap-roles' mapper if missing
  when: (grp_mapper_id.stdout | trim) in ["", "null"]
  shell: |
    cat <<'JSON' | {{ KEYCLOAK_EXEC_KCADM }} create components -r {{ KEYCLOAK_REALM }} -f -
    {{
      desired_group_mapper
      | combine({
          'name':         'ldap-roles',
          'parentId':     ldap_cmp_id.stdout | trim,
          'providerType': 'org.keycloak.storage.ldap.mappers.LDAPStorageMapper',
          'providerId':   'group-ldap-mapper'
        }, recursive=True)
      | to_json
    }}
    JSON
  register: create_mapper
  changed_when: create_mapper.rc == 0
  failed_when: create_mapper.rc != 0 and ('already exists' not in (create_mapper.stderr | lower))
  no_log: "{{ MASK_CREDENTIALS_IN_LOGS | bool }}"

- name: Update 'ldap-roles' mapper config (merge only .config)
  when: (grp_mapper_id.stdout | trim) not in ["", "null"]
  vars:
    kc_object_kind:  "component"
    kc_lookup_field: "id"
    kc_lookup_value: "{{ grp_mapper_id.stdout | trim }}"
    kc_desired: >-
      {{
        desired_group_mapper
        | combine({
            'name':         'ldap-roles',
            'parentId':     ldap_cmp_id.stdout | trim,
            'providerType': 'org.keycloak.storage.ldap.mappers.LDAPStorageMapper',
            'providerId':   'group-ldap-mapper'
          }, recursive=True)
      }}
    kc_merge_path:   "config"
  include_tasks: _update.yml