feat(keycloak): add automation service account client support

Introduce a confidential service-account client (Option A) to replace user-based
kcadm sessions. The client is created automatically, granted realm-admin role,
and used for all subsequent Keycloak updates. Includes improved error handling
for HTTP 401 responses.

Discussion: https://chatgpt.com/share/68e01da3-39fc-800f-81be-2d0c8efd81a1

roles/web-app-keycloak/config/main.yml

@@ -1,6 +1,7 @@
-load_dependencies:    True  # When set to false the dependencies aren't loaded. Helpful for developing
+load_dependencies:            True  # When set to false the dependencies aren't loaded. Helpful for developing
 actions:
-  import_realm:       True  # Import REALM
+  import_realm:               True  # Import REALM
+  create_automation_client:   True
 features:
   matomo:             true
   css:                true
@@ -49,10 +50,4 @@ docker:
 credentials:
   recaptcha:
     website_key:    "" # Required if you enabled recaptcha:
-    secret_key:     ""  # Required if you enabled recaptcha:
-
-accounts:
-  bootstrap:
-    username: "administrator"
-  system:
-    username: "{{ SOFTWARE_NAME | replace('.', '_') | lower }}"
+    secret_key:     ""  # Required if you enabled recaptcha:

roles/web-app-keycloak/tasks/05_login.yml

@@ -1,78 +0,0 @@
-- name: Ensure permanent Keycloak admin exists and can log in (container env only)
-  block:
-
-    - name: Try login with permanent admin (uses container ENV)
-      shell: |
-        {{ KEYCLOAK_EXEC_CONTAINER }} sh -lc '
-          {{ KEYCLOAK_KCADM }} config credentials \
-            --server {{ KEYCLOAK_SERVER_INTERNAL_URL }} \
-            --realm master \
-            --user "$KEYCLOAK_PERMANENT_ADMIN_USERNAME" \
-            --password "$KEYCLOAK_PERMANENT_ADMIN_PASSWORD"
-        '
-      register: kc_login_perm
-      changed_when: false
-
-  rescue:
-
-    - name: Login with bootstrap admin (uses container ENV)
-      shell: |
-        {{ KEYCLOAK_EXEC_CONTAINER }} sh -lc '
-          {{ KEYCLOAK_KCADM }} config credentials \
-            --server {{ KEYCLOAK_SERVER_INTERNAL_URL }} \
-            --realm master \
-            --user "$KC_BOOTSTRAP_ADMIN_USERNAME" \
-            --password "$KC_BOOTSTRAP_ADMIN_PASSWORD"
-        '
-      register: kc_login_bootstrap
-      changed_when: false
-
-    - name: Ensure permanent admin user exists (create if missing)
-      shell: |
-        {{ KEYCLOAK_EXEC_CONTAINER }} sh -lc '
-          # Try to create; if it already exists, Keycloak returns 409
-          {{ KEYCLOAK_KCADM }} create users -r master \
-            -s "username=$KEYCLOAK_PERMANENT_ADMIN_USERNAME" \
-            -s "enabled=true"
-        '
-      register: kc_create_perm_admin
-      failed_when: >
-        not (
-          kc_create_perm_admin.rc == 0 or
-          (kc_create_perm_admin.stderr is defined and
-          ('User exists with same username' in kc_create_perm_admin.stderr))
-        )
-      changed_when: kc_create_perm_admin.rc == 0
-
-    - name: Set permanent admin password (by username, no ID needed)
-      shell: |
-        {{ KEYCLOAK_EXEC_CONTAINER }} sh -lc '
-          {{ KEYCLOAK_KCADM }} set-password -r master \
-            --username "$KEYCLOAK_PERMANENT_ADMIN_USERNAME" \
-            --new-password "$KEYCLOAK_PERMANENT_ADMIN_PASSWORD"
-        '
-      changed_when: true
-
-    - name: Grant realm-admin role to permanent admin (by username)
-      shell: |
-        {{ KEYCLOAK_EXEC_CONTAINER }} sh -lc '
-          {{ KEYCLOAK_KCADM }} add-roles -r master \
-            --uusername "$KEYCLOAK_PERMANENT_ADMIN_USERNAME" \
-            --cclientid realm-management \
-            --rolename realm-admin
-        '
-      register: kc_grant_admin
-      changed_when: (kc_grant_admin.stderr is defined and kc_grant_admin.stderr | length > 0) or
-                    (kc_grant_admin.stdout is defined and kc_grant_admin.stdout | length > 0)
-      failed_when: false
-
-    - name: Verify login with permanent admin (after creation)
-      shell: |
-        {{ KEYCLOAK_EXEC_CONTAINER }} sh -lc '
-          {{ KEYCLOAK_KCADM }} config credentials \
-            --server {{ KEYCLOAK_SERVER_INTERNAL_URL }} \
-            --realm master \
-            --user "$KEYCLOAK_PERMANENT_ADMIN_USERNAME" \
-            --password "$KEYCLOAK_PERMANENT_ADMIN_PASSWORD"
-        '
-      changed_when: false

roles/web-app-keycloak/tasks/05_rbac_client_scope.yml

@@ -1,3 +1,4 @@
+# --- Ensure RBAC client scope exists (idempotent) ---
 - name: Ensure RBAC client scope exists
   shell: |
     cat <<'JSON' | {{ KEYCLOAK_EXEC_KCADM }} create client-scopes -r {{ KEYCLOAK_REALM }} -f -
@@ -15,10 +16,12 @@
                ('already exists' not in (create_rbac_scope.stderr | lower))
   no_log: "{{ MASK_CREDENTIALS_IN_LOGS | bool }}"
 
+# --- Get the scope id we will attach to the client ---
 - name: Get all client scopes
   shell: "{{ KEYCLOAK_EXEC_KCADM }} get client-scopes -r {{ KEYCLOAK_REALM }} --format json"
   register: all_scopes
   changed_when: false
+  failed_when: "'HTTP 401' in (all_scopes.stderr | default(''))"
 
 - name: Extract RBAC scope id
   set_fact:

roles/web-app-keycloak/tasks/05a_service_account.yml

@@ -0,0 +1,63 @@
+# Creates a confidential client with service account, fetches the secret,
+# and grants realm-management/realm-admin to its service-account user.
+
+- name: "Ensure automation client exists (confidential + service accounts)"
+  shell: |
+    {{ KEYCLOAK_EXEC_KCADM }} create clients -r {{ KEYCLOAK_REALM }} \
+      -s clientId={{ KEYCLOAK_AUTOMATION_CLIENT_ID }} \
+      -s protocol=openid-connect \
+      -s publicClient=false \
+      -s serviceAccountsEnabled=true \
+      -s directAccessGrantsEnabled=false
+  register: create_client
+  changed_when: create_client.rc == 0
+  failed_when: create_client.rc != 0 and ('already exists' not in (create_client.stderr | lower))
+
+- name: "Resolve automation client id"
+  shell: >
+    {{ KEYCLOAK_EXEC_KCADM }} get clients -r {{ KEYCLOAK_REALM }}
+    --query 'clientId={{ KEYCLOAK_AUTOMATION_CLIENT_ID }}' --fields id --format json | jq -r '.[0].id'
+  register: auto_client_id_cmd
+  changed_when: false
+
+- name: "Fail if client id could not be resolved"
+  assert:
+    that:
+      - "(auto_client_id_cmd.stdout | trim) is match('^[0-9a-f-]+$')"
+    fail_msg: "Automation client id could not be resolved."
+
+- name: "Read client secret"
+  no_log: "{{ MASK_CREDENTIALS_IN_LOGS | bool }}"
+  shell: >
+    {{ KEYCLOAK_EXEC_KCADM }} get clients/{{ auto_client_id_cmd.stdout | trim }}/client-secret
+    -r {{ KEYCLOAK_REALM }} --format json | jq -r .value
+  register: auto_client_secret_cmd
+  changed_when: false
+
+- name: "Expose client secret as a fact"
+  set_fact:
+    KEYCLOAK_AUTOMATION_CLIENT_SECRET: "{{ auto_client_secret_cmd.stdout | trim }}"
+  no_log: "{{ MASK_CREDENTIALS_IN_LOGS | bool }}"
+
+- name: "Grant {{ KEYCLOAK_AUTOMATION_GRANT_ROLE }} to service account"
+  shell: >
+    {{ KEYCLOAK_EXEC_KCADM }} add-roles -r {{ KEYCLOAK_REALM }}
+    --uusername service-account-{{ KEYCLOAK_AUTOMATION_CLIENT_ID }}
+    --cclientid realm-management
+    --rolename {{ KEYCLOAK_AUTOMATION_GRANT_ROLE }}
+  register: grant_role
+  changed_when: grant_role.rc == 0
+  failed_when: grant_role.rc != 0 and ('already exists' not in (grant_role.stderr | lower))
+
+- name: "Verify client-credentials login works"
+  no_log: "{{ MASK_CREDENTIALS_IN_LOGS | bool }}"
+  shell: >
+    {{ KEYCLOAK_EXEC_KCADM }} config credentials
+    --server {{ KEYCLOAK_SERVER_INTERNAL_URL }}
+    --realm {{ KEYCLOAK_REALM }}
+    --client {{ KEYCLOAK_AUTOMATION_CLIENT_ID }}
+    --client-secret {{ KEYCLOAK_AUTOMATION_CLIENT_SECRET }} &&
+    {{ KEYCLOAK_EXEC_KCADM }} get realms/{{ KEYCLOAK_REALM }} --format json | jq -r '.realm'
+  register: verify_cc
+  changed_when: false
+  failed_when: (verify_cc.rc != 0) or ((verify_cc.stdout | trim) != (KEYCLOAK_REALM | trim))

roles/web-app-keycloak/tasks/main.yml

@@ -13,18 +13,118 @@
   include_tasks: 04_dependencies.yml
   when: KEYCLOAK_LOAD_DEPENDENCIES | bool
 
-- name: "Load Login routines for '{{ application_id }}'"
-  include_tasks: 05_login.yml
+- name: "Wait until '{{ KEYCLOAK_CONTAINER }}' container is healthy"
+  community.docker.docker_container_info:
+    name: "{{ KEYCLOAK_CONTAINER }}"
+  register: kc_info
+  retries: 60
+  delay: 5
+  until: >
+    kc_info is succeeded and
+    (kc_info.container | default({})) != {} and
+    (kc_info.container.State | default({})) != {} and
+    (kc_info.container.State.Health | default({})) != {} and
+    (kc_info.container.State.Health.Status | default('')) == 'healthy'
 
-- name: "Load Client Update routines for '{{ application_id }}'"
-  include_tasks: update/01_client.yml
+- name: kcadm login (master)
+  no_log: "{{ MASK_CREDENTIALS_IN_LOGS | bool }}"
+  shell: >
+    {{ KEYCLOAK_EXEC_KCADM }} config credentials
+    --server {{ KEYCLOAK_SERVER_INTERNAL_URL }}
+    --realm master
+    --user {{ KEYCLOAK_MASTER_API_USER_NAME }}
+    --password {{ KEYCLOAK_MASTER_API_USER_PASSWORD }}
+  changed_when: false
 
-- name: "Load Mail Update routines for '{{ application_id }}'"
-  include_tasks: update/02_mail.yml
+- name: Verify kcadm session works (quick read)
+  shell: >
+    {{ KEYCLOAK_EXEC_KCADM }} get realms --format json | jq -r '.[0].realm' | head -n1
+  register: kcadm_verify
+  changed_when: false
+  failed_when: >
+    (kcadm_verify.rc != 0)
+    or ('HTTP 401' in (kcadm_verify.stderr | default('')))
+    or ((kcadm_verify.stdout | trim) == '')
+ 
+# --- Create & grant automation service account (Option A) ---
+- name: "Ensure automation service account client (Option A)"
+  include_tasks: 05a_service_account.yml
+  when: applications | get_app_conf(application_id, 'actions.create_automation_client', True)
 
-- name: "Load RBAC Update routines for '{{ application_id }}'"
-  include_tasks: update/03_rbac_client_scope.yml
+# --- Switch session to the service account for all subsequent API work ---
+- name: kcadm login (realm) using service account
+  no_log: "{{ MASK_CREDENTIALS_IN_LOGS | bool }}"
+  shell: >
+    {{ KEYCLOAK_EXEC_KCADM }} config credentials
+    --server {{ KEYCLOAK_SERVER_INTERNAL_URL }}
+    --realm {{ KEYCLOAK_REALM }}
+    --client {{ KEYCLOAK_AUTOMATION_CLIENT_ID }}
+    --client-secret {{ KEYCLOAK_AUTOMATION_CLIENT_SECRET }}
+  changed_when: false
 
-- name: "Load LDAP Update routines for '{{ application_id }}'"
-  include_tasks: update/04_ldap.yml
+- name: Verify kcadm session works (exact realm via service account)
+  shell: >
+    {{ KEYCLOAK_EXEC_KCADM }} get realms/{{ KEYCLOAK_REALM }} --format json | jq -r '.realm'
+  register: kcadm_verify_sa
+  changed_when: false
+  failed_when: >
+    (kcadm_verify_sa.rc != 0)
+    or ('HTTP 401' in (kcadm_verify_sa.stderr | default('')))
+    or ((kcadm_verify_sa.stdout | trim) != (KEYCLOAK_REALM | trim))
+
+- name: "Update Client settings"
+  vars:
+    kc_object_kind:  "client"
+    kc_lookup_value: "{{ KEYCLOAK_CLIENT_ID }}"
+    kc_desired: >-
+      {{
+        KEYCLOAK_DICTIONARY_REALM.clients
+          | selectattr('clientId','equalto', KEYCLOAK_CLIENT_ID)
+          | list | first
+      }}
+    kc_force_attrs:
+      publicClient: >-
+        {{
+          (KEYCLOAK_DICTIONARY_REALM.clients
+            | selectattr('clientId','equalto', KEYCLOAK_CLIENT_ID)
+            | map(attribute='publicClient')
+            | first)
+        }}
+      serviceAccountsEnabled: >-
+        {{
+          (KEYCLOAK_DICTIONARY_REALM.clients
+            | selectattr('clientId','equalto', KEYCLOAK_CLIENT_ID)
+            | map(attribute='serviceAccountsEnabled')
+            | first )
+        }}
+      frontchannelLogout:  >-
+        {{
+          (KEYCLOAK_DICTIONARY_REALM.clients
+            | selectattr('clientId','equalto', KEYCLOAK_CLIENT_ID)
+            | map(attribute='frontchannelLogout')
+            | first)
+        }}
+      attributes: >-
+        {{
+          ( (KEYCLOAK_DICTIONARY_REALM.clients
+              | selectattr('clientId','equalto', KEYCLOAK_CLIENT_ID)
+              | list | first | default({}) ).attributes | default({}) )
+          | combine({'frontchannel.logout.url': KEYCLOAK_FRONTCHANNEL_LOGOUT_URL}, recursive=True)
+        }}
+  include_tasks: _update.yml
+
+- name: "Update REALM mail settings from realm dictionary (SPOT)"
+  include_tasks: _update.yml
+  vars:
+    kc_object_kind:  "realm"
+    kc_lookup_field: "id"
+    kc_lookup_value: "{{ KEYCLOAK_REALM }}"
+    kc_desired:
+      smtpServer: "{{ KEYCLOAK_DICTIONARY_REALM.smtpServer | default({}, true) }}"
+    kc_merge_path:  "smtpServer"
+  no_log: "{{ MASK_CREDENTIALS_IN_LOGS | bool }}"
+
+- include_tasks: 05_rbac_client_scope.yml
+
+- include_tasks: 06_ldap.yml
   when: KEYCLOAK_LDAP_ENABLED | bool

roles/web-app-keycloak/tasks/update/01_client.yml

@@ -1,40 +0,0 @@
-- name: "Update Client settings"
-  vars:
-    kc_object_kind:  "client"
-    kc_lookup_value: "{{ KEYCLOAK_CLIENT_ID }}"
-    kc_desired: >-
-      {{
-        KEYCLOAK_DICTIONARY_REALM.clients
-          | selectattr('clientId','equalto', KEYCLOAK_CLIENT_ID)
-          | list | first
-      }}
-    kc_force_attrs:
-      publicClient: >-
-        {{
-          (KEYCLOAK_DICTIONARY_REALM.clients
-            | selectattr('clientId','equalto', KEYCLOAK_CLIENT_ID)
-            | map(attribute='publicClient')
-            | first)
-        }}
-      serviceAccountsEnabled: >-
-        {{
-          (KEYCLOAK_DICTIONARY_REALM.clients
-            | selectattr('clientId','equalto', KEYCLOAK_CLIENT_ID)
-            | map(attribute='serviceAccountsEnabled')
-            | first )
-        }}
-      frontchannelLogout:  >-
-        {{
-          (KEYCLOAK_DICTIONARY_REALM.clients
-            | selectattr('clientId','equalto', KEYCLOAK_CLIENT_ID)
-            | map(attribute='frontchannelLogout')
-            | first)
-        }}
-      attributes: >-
-        {{
-          ( (KEYCLOAK_DICTIONARY_REALM.clients
-              | selectattr('clientId','equalto', KEYCLOAK_CLIENT_ID)
-              | list | first | default({}) ).attributes | default({}) )
-          | combine({'frontchannel.logout.url': KEYCLOAK_FRONTCHANNEL_LOGOUT_URL}, recursive=True)
-        }}
-  include_tasks: _update.yml

roles/web-app-keycloak/tasks/update/02_mail.yml

@@ -1,10 +0,0 @@
-- name: "Update REALM mail settings from realm dictionary (SPOT)"
-  include_tasks: _update.yml
-  vars:
-    kc_object_kind:  "realm"
-    kc_lookup_field: "id"
-    kc_lookup_value: "{{ KEYCLOAK_REALM }}"
-    kc_desired:
-      smtpServer: "{{ KEYCLOAK_DICTIONARY_REALM.smtpServer | default({}, true) }}"
-    kc_merge_path:  "smtpServer"
-  no_log: "{{ MASK_CREDENTIALS_IN_LOGS | bool }}"

roles/web-app-keycloak/templates/env.j2

@@ -10,21 +10,19 @@ KC_HTTP_ENABLED=                true
 KC_HEALTH_ENABLED=              {{ KEYCLOAK_HEALTH_ENABLED | lower }}
 KC_METRICS_ENABLED=             true
 
+# Administrator
+KEYCLOAK_ADMIN=                 "{{ KEYCLOAK_ADMIN }}"
+KEYCLOAK_ADMIN_PASSWORD=        "{{ KEYCLOAK_ADMIN_PASSWORD }}"
+
 # Database
 KC_DB=                          {{ database_type }}
 KC_DB_URL=                      {{ database_url_jdbc }}
 KC_DB_USERNAME=                 {{ database_username }}
 KC_DB_PASSWORD=                 {{ database_password }}
 
-# Credentials
-
-## Bootstrap
-KC_BOOTSTRAP_ADMIN_USERNAME="{{ KEYCLOAK_BOOTSTRAP_ADMIN_USERNAME }}"
-KC_BOOTSTRAP_ADMIN_PASSWORD="{{ KEYCLOAK_BOOTSTRAP_ADMIN_PASSWORD }}"
-
-## Permanent
-KEYCLOAK_PERMANENT_ADMIN_USERNAME="{{ KEYCLOAK_PERMANENT_ADMIN_USERNAME }}"
-KEYCLOAK_PERMANENT_ADMIN_PASSWORD="{{ KEYCLOAK_PERMANENT_ADMIN_PASSWORD }}"
+# If the initial administrator already exists and the environment variables are still present at startup, an error message stating the failed creation of the initial administrator is shown in the logs. Keycloak ignores the values and starts up correctly.
+KC_BOOTSTRAP_ADMIN_USERNAME=    "{{ KEYCLOAK_ADMIN }}"
+KC_BOOTSTRAP_ADMIN_PASSWORD=    "{{ KEYCLOAK_ADMIN_PASSWORD }}"
 
 # Enable detailed logs
 {% if MODE_DEBUG | bool %}

roles/web-app-keycloak/users/main.yml

@@ -0,0 +1,3 @@
+users:
+  administrator:
+    username:         "administrator"

roles/web-app-keycloak/vars/main.yml

@@ -1,6 +1,6 @@
 # General
-application_id:                   "web-app-keycloak"                                                                          # Internal Infinito.Nexus application id 
-database_type:                    "postgres"                                                                                  # Database which will be used
+application_id:                     "web-app-keycloak"                                                                          # Internal Infinito.Nexus application id 
+database_type:                      "postgres"                                                                                  # Database which will be used
 
 # Keycloak
 
@@ -29,22 +29,21 @@ KEYCLOAK_REALM_IMPORT_FILE_SRC:     "import/realm.json.j2"
 KEYCLOAK_REALM_IMPORT_FILE_DST:     "{{ [KEYCLOAK_REALM_IMPORT_DIR_HOST,'realm.json'] | path_join }}"
 
 ## Credentials
-
-### Bootstrap
-KEYCLOAK_BOOTSTRAP_ADMIN_USERNAME:  "{{ applications | get_app_conf(application_id, 'accounts.bootstrap.username') }}"
-KEYCLOAK_BOOTSTRAP_ADMIN_PASSWORD:  "{{ applications | get_app_conf(application_id, 'credentials.administrator_password') }}"
-
-### Permanent
-KEYCLOAK_PERMANENT_ADMIN_USERNAME:  "{{ applications | get_app_conf(application_id, 'accounts.system.username') }}"
-KEYCLOAK_PERMANENT_ADMIN_PASSWORD:  "{{ applications | get_app_conf(application_id, 'credentials.administrator_password') }}"
+KEYCLOAK_ADMIN:                     "{{ applications | get_app_conf(application_id, 'users.administrator.username') }}"
+KEYCLOAK_ADMIN_PASSWORD:            "{{ applications | get_app_conf(application_id, 'credentials.administrator_password') }}"
 
 ## Docker
-KEYCLOAK_CONTAINER:                 "{{ applications | get_app_conf(application_id, 'docker.services.keycloak.name') }}"
-KEYCLOAK_EXEC_CONTAINER:            "docker exec -i {{ KEYCLOAK_CONTAINER }}"
-KEYCLOAK_KCADM:                     "/opt/keycloak/bin/kcadm.sh"
-KEYCLOAK_EXEC_KCADM:                "{{ KEYCLOAK_EXEC_CONTAINER }} {{ KEYCLOAK_KCADM }}"
-KEYCLOAK_IMAGE:                     "{{ applications | get_app_conf(application_id, 'docker.services.keycloak.image') }}"
-KEYCLOAK_VERSION:                   "{{ applications | get_app_conf(application_id, 'docker.services.keycloak.version') }}"
+KEYCLOAK_CONTAINER:                 "{{ applications | get_app_conf(application_id, 'docker.services.keycloak.name') }}"      # Name of the keycloak docker container
+KEYCLOAK_IMAGE:                     "{{ applications | get_app_conf(application_id, 'docker.services.keycloak.image') }}"     # Keycloak docker image
+KEYCLOAK_VERSION:                   "{{ applications | get_app_conf(application_id, 'docker.services.keycloak.version') }}"   # Keycloak docker version
+KEYCLOAK_KCADM_CONFIG:              "/opt/keycloak/data/kcadm.config"
+KEYCLOAK_EXEC_KCADM:                "docker exec -i {{ KEYCLOAK_CONTAINER }} /opt/keycloak/bin/kcadm.sh --config {{ KEYCLOAK_KCADM_CONFIG }}"
+
+## Automation Service Account (Option A)
+KEYCLOAK_AUTOMATION_CLIENT_ID:      "infinito-automation"
+KEYCLOAK_AUTOMATION_GRANT_ROLE:     "realm-admin"   # or granular roles if you prefer
+# Will be discovered dynamically and set as a fact during the run:
+# KEYCLOAK_AUTOMATION_CLIENT_SECRET
 
 ## Server
 KEYCLOAK_SERVER_HOST:               "127.0.0.1:{{ ports.localhost.http[application_id] }}"
@@ -77,6 +76,11 @@ KEYCLOAK_LDAP_USER_OBJECT_CLASSES: >
       ) | join(', ') 
   }}
 
+## API
+KEYCLOAK_MASTER_API_USER:           "{{ applications | get_app_conf(application_id, 'users.administrator') }}" # Master Administrator
+KEYCLOAK_MASTER_API_USER_NAME:      "{{ KEYCLOAK_MASTER_API_USER.username }}"                                  # Master Administrator Username
+KEYCLOAK_MASTER_API_USER_PASSWORD:  "{{ KEYCLOAK_MASTER_API_USER.password }}"                                  # Master Administrator Password
+
 # Dictionaries
 KEYCLOAK_DICTIONARY_REALM_RAW: "{{ lookup('template', 'import/realm.json.j2') }}"
 KEYCLOAK_DICTIONARY_REALM: >-

tests/integration/test_filters_are_defined.py

@@ -28,17 +28,14 @@ BUILTIN_FILTERS: Set[str] = {
     "int", "join", "last", "length", "list", "lower", "map", "min", "max", "random",
     "reject", "rejectattr", "replace", "reverse", "round", "safe", "select",
     "selectattr", "slice", "sort", "string", "striptags", "sum", "title", "trim",
-    "truncate", "unique", "upper", "urlencode", "urlize", "wordcount", "xmlattr","contains",
+    "truncate", "unique", "upper", "urlencode", "urlize", "wordcount", "xmlattr",
 
     # Common Ansible filters (subset, extend as needed)
     "b64decode", "b64encode", "basename", "dirname", "from_json", "to_json",
     "from_yaml", "to_yaml", "combine", "difference", "intersect",
     "flatten", "zip", "regex_search", "regex_replace", "bool",
     "type_debug", "json_query", "mandatory", "hash", "checksum",
-    "lower", "upper", "capitalize", "unique", "dict2items", "items2dict", 
-    "password_hash", "path_join", "product", "quote", "split", "ternary", "to_nice_yaml", 
-    "tojson", "to_nice_json",
-
+    "lower", "upper", "capitalize", "unique", "dict2items", "items2dict", "password_hash", "path_join", "product", "quote", "split", "ternary", "to_nice_yaml", "tojson",
 
     # Date/time-ish
     "strftime",