Fix bug 2406: proper read of ca_cert_content in openstack connector

Change-Id: Ib1ab037a2f412003ca8ccd836f21fe786e7a6ac7
Signed-off-by: garciadeblas <gerardo.garciadeblas@telefonica.com>
diff --git a/src/osm_ngsa/osm_mon/vim_connectors/openstack.py b/src/osm_ngsa/osm_mon/vim_connectors/openstack.py
index 249e2b6..3be370d 100644
--- a/src/osm_ngsa/osm_mon/vim_connectors/openstack.py
+++ b/src/osm_ngsa/osm_mon/vim_connectors/openstack.py
@@ -113,7 +113,7 @@
                     verify_ssl = vim_config["ca_cert"]
                 elif "ca_cert_content" in vim_config:
                     # vim_config = self._create_file_cert(vim_config, creds["_id"])
-                    verify_ssl = vim_config["ca_cert"]
+                    verify_ssl = vim_config["ca_cert_content"]
                 if "project_domain_name" in vim_config:
                     project_domain_name = vim_config["project_domain_name"]
                 if "user_domain_name" in vim_config: