consul_session: ensure scheme parameter is used (#58692)

* Ensure an error occurs when unknown scheme is used
* consul_session: don't ignore 'scheme' parameter

changelogs/fragments/58692-consul_session_dont_ignore_scheme_parameter.yml

@@ -0,0 +1,2 @@
+bugfixes:
+  - "consul_session: don't ignore ``scheme`` parameter"

lib/ansible/modules/clustering/consul_session.py

@@ -232,7 +232,8 @@ def remove_session(module):
 
 def get_consul_api(module):
     return consul.Consul(host=module.params.get('host'),
-                         port=module.params.get('port'))
+                         port=module.params.get('port'),
+                         scheme=module.params.get('scheme'))
 
 
 def test_dependencies(module):

test/integration/targets/consul/tasks/consul_session.yml

@@ -70,6 +70,18 @@
     that:
       - result is failed
 
+- name: ensure unknown scheme fails
+  consul_session:
+    state: info
+    id: '{{ session_id }}'
+    scheme: non_existent
+  register: result
+  ignore_errors: True
+
+- assert:
+    that:
+      - result is failed
+
 - name: delete a session
   consul_session:
     state: absent