I'm using the configuration as documented here: https://docs.yaook.cloud/user/explanations/examples/glance.html#glance-using-a-file-based-backend Unfortunately, glance-api pod won't start. The error message looks like this: ```bash {"message": "Failed to load driver [<module 'stevedore.driver' from '/usr/local/lib/python3.10/site-packages/stevedore/d river.py'>, NoMatches(\"No 'glance_store.drivers' driver found, looking for 'filesystem'\")]. The driver will be disable d", "asctime": "2026-04-22 15:15:58", "name": "glance_store.multi_backend", "msg": "Failed to load driver %(driver)s. Th e driver will be disabled", "args": {"driver": "[<module 'stevedore.driver' from '/usr/local/lib/python3.10/site-package s/stevedore/driver.py'>, NoMatches(\"No 'glance_store.drivers' driver found, looking for 'filesystem'\")]"}, "levelname" : "WARNING", "levelno": 30, "pathname": "/usr/local/lib/python3.10/site-packages/glance_store/multi_backend.py", "filena me": "multi_backend.py", "module": "multi_backend", "lineno": 177, "funcname": "_load_multi_store", "created": 177687095 8.2292101, "msecs": 229.0, "relative_created": 1963.627576828003, "thread": 140327456592960, "thread_name": "MainThread" , "process_name": "MainProcess", "process": 187, "traceback": null, "hostname": "glance-api-64499cdd4c-qk75p", "error_su mmary": "stevedore.exception.NoMatches: No 'glance_store.drivers' driver found, looking for 'filesystem'", "context": {} , "extra": {}} {"message": "Directory to write image files does not exist (/var/lib/glance/os_glance_staging_store). Creating.", "ascti me": "2026-04-22 15:15:58", "name": "glance_store._drivers.filesystem", "msg": "Directory to write image files does not exist (/var/lib/glance/os_glance_staging_store). Creating.", "args": [], "levelname": "INFO", "levelno": 20, "pathname": "/usr/local/lib/python3.10/site-packages/glance_store/_drivers/filesystem.py", "filename": "filesystem.py", "module": " filesystem", "lineno": 355, "funcname": "_create_image_directories", "created": 1776870958.2297385, "msecs": 229.0, "rel ative_created": 1964.155912399292, "thread": 140327456592960, "thread_name": "MainThread", "process_name": "MainProcess" , "process": 187, "traceback": null, "hostname": "glance-api-64499cdd4c-qk75p", "error_summary": "", "context": {}, "ext ra": {}} {"message": "Directory to write image files does not exist (/var/lib/glance/os_glance_tasks_store). Creating.", "asctime ": "2026-04-22 15:15:58", "name": "glance_store._drivers.filesystem", "msg": "Directory to write image files does not ex ist (/var/lib/glance/os_glance_tasks_store). Creating.", "args": [], "levelname": "INFO", "levelno": 20, "pathname": "/u sr/local/lib/python3.10/site-packages/glance_store/_drivers/filesystem.py", "filename": "filesystem.py", "module": "file system", "lineno": 355, "funcname": "_create_image_directories", "created": 1776870958.2303789, "msecs": 230.0, "relativ e_created": 1964.7963047027588, "thread": 140327456592960, "thread_name": "MainThread", "process_name": "MainProcess", " process": 187, "traceback": null, "hostname": "glance-api-64499cdd4c-qk75p", "error_summary": "", "context": {}, "extra" : {}} ERROR: 'file' ``` Here's what glance-api.conf looks like: ``` [DEFAULT] bind_host = 127.0.0.1 bind_port = 8080 enable_v1_api = false enable_v2_api = true enabled_backends = file:filesystem image_size_cap = 5368709120 show_image_direct_url = true use_json = true use_stderr = true [audit_middleware_notifications] driver = noop use_oslo_messaging = false [barbican] barbican_endpoint_type = internal [cache] memcache_servers = ... memcached_servers = ... [database] connection = ... connection_recycle_time = 280 [glance_store] default_store = file default_backend = file [keystone_authtoken] auth_version = 3 interface = internal auth_type = password auth_url = https://keystone.yaook.svc:5000/v3 cafile = /etc/pki/tls/certs/ca-bundle.crt memcached_servers = ... password = ... project_domain_name = Default project_name = service service_token_roles = admin,service service_token_roles_required = true service_type = image user_domain_name = Default username = glance-f6vrf.yaook.cluster.local valid_interfaces = internal memcache_servers = ... [oslo_middleware] enable_proxy_headers_parsing = true [oslo_policy] policy_file = /etc/glance/policy.yaml [paste_deploy] flavor = keystone config_file = /usr/local/etc/glance/glance-api-paste.ini ```