Fix don't work with senlin actions

We can't do run senlin actions because have an error when
init client senlin. We need an other way to init client to
run client with cron trigger and manual.

Change-Id: I294d18b341a3c7dd0df9c24588540f9c94dd4562
Closes-Bug: #1843178

mistral/actions/openstack/actions.py

@@ -18,6 +18,7 @@ from oslo_config import cfg
 from oslo_log import log
 from oslo_utils import importutils
 
+from keystoneauth1.identity import v3 as ks_identity_v3
 from keystoneauth1 import session as ks_session
 from keystoneauth1.token_endpoint import Token
 from keystoneclient import httpclient
@@ -846,9 +847,30 @@ class SenlinAction(base.OpenStackAction):
         keystone_endpoint = keystone_utils.get_keystone_endpoint()
         senlin_endpoint = self.get_service_endpoint()
 
+        if context.is_trust_scoped and keystone_utils.is_token_trust_scoped(
+                context.auth_token):
+            if context.trust_id is None:
+                raise Exception(
+                    "'trust_id' must be provided in the admin context."
+                )
+
+            auth = ks_identity_v3.Password(
+                auth_url=keystone_endpoint.url,
+                trust_id=context.trust_id,
+                username=CONF.keystone_authtoken.username,
+                password=CONF.keystone_authtoken.password,
+                user_domain_name=CONF.keystone_authtoken.user_domain_name
+            )
+        else:
+            auth = ks_identity_v3.Token(
+                auth_url=keystone_endpoint.url,
+                token=context.auth_token,
+                project_id=context.project_id
+            )
+
         return self._get_client_class()(
             endpoint_url=senlin_endpoint.url,
-            token=context.auth_token,
+            session=ks_session.Session(auth=auth),
             tenant_id=context.project_id,
             region_name=senlin_endpoint.region,
             auth_url=keystone_endpoint.url,