Check manager status for policy using passthough healthcheck api

Change-Id: I27641f1b6b171d31778247f8ff49a7130e3ca403

vmware_nsxlib/v3/policy/__init__.py

@@ -20,6 +20,7 @@ from oslo_log import log
 
 from vmware_nsxlib import v3
 from vmware_nsxlib.v3 import client
+from vmware_nsxlib.v3 import exceptions
 from vmware_nsxlib.v3 import lib
 from vmware_nsxlib.v3 import nsx_constants
 
@@ -119,8 +120,24 @@ class NsxPolicyLib(lib.NsxLibBase):
 
     @property
     def validate_connection_method(self):
-        # TODO(asarfaty): Find an equivalent api to check policy status
+        """Return a method that will validate the NSX manager status"""
-        pass
+        def check_manager_status_passthrough(client, manager_url):
+            # Try to get the status silently and with no retries
+            status = client.get('reverse-proxy/node/health',
+                                silent=True, with_retries=False)
+            if (not status or not status.get('healthy', False)):
+                msg = _("Manager is not in working state: %s") % status
+                LOG.warning(msg)
+                raise exceptions.ResourceNotFound(
+                    manager=manager_url, operation=msg)
+
+        def check_manager_status(client, manager_url):
+            # Decide on the healthcheck by the passthrough status
+            if self.nsx_api:
+                return check_manager_status_passthrough(
+                    self.nsx_api.client, manager_url)
+
+        return check_manager_status
 
     def get_version(self):
         """Get the NSX Policy manager version