Add Config opion disable_local_accounts

doc/source/admin/galaxy_options.rst

@@ -3839,6 +3839,18 @@
 :Type: bool
 
 
+~~~~~~~~~~~~~~~~~~~~~~~~~~
+``disable_local_accounts``
+~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+:Description:
+    Disable local accounts. If this option is set to true, at least
+    one OIDC provider needs  to be configured and will serve as the
+    account provider.
+:Default: ``false``
+:Type: bool
+
+
 ~~~~~~~~~~~~~~~~~~~~~~~
 ``allow_user_deletion``
 ~~~~~~~~~~~~~~~~~~~~~~~

lib/galaxy/config/sample/galaxy.yml.sample

@@ -2119,6 +2119,11 @@ galaxy:
   # will have to be created by an admin).
   #allow_user_creation: true
 
+  # Disable local accounts. If this option is set to true, at least one
+  # OIDC provider needs  to be configured and will serve as the account
+  # provider.
+  #disable_local_accounts: false
+
   # Allow administrators to delete accounts.
   #allow_user_deletion: false
 

lib/galaxy/config/schemas/config_schema.yml

@@ -2830,6 +2830,14 @@ mapping:
           Allow unregistered users to create new accounts (otherwise, they will have to
           be created by an admin).
 
+      disable_local_accounts:
+        type: bool
+        default: false
+        required: true
+        desc: |
+          Disable local accounts. If this option is set to true, at least one OIDC provider needs 
+          to be configured and will serve as the account provider. 
+
       allow_user_deletion:
         type: bool
         default: false

lib/galaxy/managers/configuration.py

@@ -144,6 +144,7 @@ class ConfigSerializer(base.ModelSerializer):
             "topk_recommendations": _use_config,
             "allow_user_impersonation": _use_config,
             "allow_user_creation": _defaults_to(False),  # schema default is True
+            "disable_local_accounts": _defaults_to(False),  # schema default is False
             "use_remote_user": _defaults_to(None),  # schema default is False; or config.single_user
             "single_user": _config_is_truthy,
             "enable_oidc": _use_config,