Support service tokens

Implement support for service_tokens. For that we convert
role_name to be a list along with renaming corresponding variable.

Additionally service_type is defined now for keystone_authtoken which
enables to validate tokens with restricted access rules

Depends-On: https://review.opendev.org/c/openstack/openstack-ansible-plugins/+/845690
Change-Id: Ib7fd1a80affe0fa8c6b030fdbfdd60693f104cd6
Related-Bug: #1948456

defaults/main.yml

@@ -135,7 +135,6 @@ glance_db_max_pool_size: "{{ openstack_db_max_pool_size | default('5') }}"
 glance_db_pool_timeout: "{{ openstack_db_pool_timeout | default('30') }}"
 glance_db_connection_recycle_time: "{{ openstack_db_connection_recycle_time | default('600') }}"
 
-glance_role_name: admin
 glance_api_bind_address: "{{ openstack_service_bind_address | default('0.0.0.0') }}"
 glance_api_service_port: 9292
 
@@ -149,10 +148,19 @@ glance_service_adminuri_proto: "{{ openstack_service_adminuri_proto | default(gl
 glance_service_internaluri_proto: "{{ openstack_service_internaluri_proto | default(glance_service_proto) }}"
 glance_service_type: image
 glance_service_description: "Glance Image Service"
-glance_service_user_name: glance
 glance_service_project_name: service
 glance_service_project_domain_id: default
+# List of roles assigned to glance_service_user_name
+glance_service_role_names:
+  - admin
+  - service
+
+# List of roles for which service tokens will be accepted
+glance_service_token_roles:
+  - service
+glance_service_token_roles_required: "{{ openstack_service_token_roles_required | default(True) }}"
 glance_service_user_domain_id: default
+glance_service_user_name: glance
 glance_service_publicuri: "{{ glance_service_publicuri_proto }}://{{ external_lb_vip_address }}:{{ glance_service_port }}"
 glance_service_publicurl: "{{ glance_service_publicuri }}"
 glance_service_internaluri: "{{ glance_service_internaluri_proto }}://{{ internal_lb_vip_address }}:{{ glance_service_port }}"

tasks/main.yml

@@ -117,7 +117,7 @@
     _service_users:
       - name: "{{ glance_service_user_name }}"
         password: "{{ glance_service_password }}"
-        role: "{{ glance_role_name }}"
+        role: "{{ glance_service_role_names }}"
     _service_catalog:
       - name: "{{ glance_service_name }}"
         type: "{{ glance_service_type }}"

templates/glance-api.conf.j2

@@ -53,6 +53,10 @@ username = {{ glance_service_user_name }}
 password = {{ glance_service_password }}
 region_name = {{ keystone_service_region }}
 
+service_token_roles_required = {{ glance_service_token_roles_required | bool }}
+service_token_roles = {{ glance_service_token_roles | join(',') }}
+service_type = {{ glance_service_type }}
+
 memcached_servers = {{ glance_memcached_servers }}
 
 token_cache_time = 300