sync with previous repo

roles/matrix-corporal/tasks/validate_config.yml

@@ -0,0 +1,27 @@
+---
+
+- name: Fail if required matrix-corporal settings not defined
+  fail:
+    msg: >-
+      You need to define a required configuration setting (`{{ item }}`) for using matrix-corporal.
+  when: "vars[item] == ''"
+  with_items:
+    - "matrix_corporal_matrix_homeserver_api_endpoint"
+    - "matrix_corporal_matrix_auth_shared_secret"
+    - "matrix_corporal_matrix_registration_shared_secret"
+    - "matrix_corporal_policy_provider_config"
+
+- name: Fail if HTTP API enabled, but no token set
+  fail:
+    msg: "The Matrix Corporal HTTP API is enabled (`matrix_corporal_http_api_enabled`), but no auth token has been set in `matrix_corporal_http_api_auth_token`"
+  when: "matrix_corporal_http_api_enabled|bool and matrix_corporal_http_api_auth_token == ''"
+
+- name: (Deprecation) Catch and report renamed corporal variables
+  fail:
+    msg: >-
+      Your configuration contains a variable, which now has a different name.
+      Please change your configuration to rename the variable (`{{ item.old }}` -> `{{ item.new }}`).
+  when: "item.old in vars"
+  with_items:
+    - {'old': 'matrix_corporal_container_expose_ports', 'new': '<superseded by matrix_corporal_container_http_gateway_host_bind_port and matrix_corporal_container_http_api_host_bind_port>'}
+    - {'old': 'matrix_corporal_reconciliation_user_id_local_part', 'new': 'matrix_corporal_corporal_user_id_local_part'}