Starting HTTP Introspect after full CVM sync

Validation for Introspect forms input

Change-Id: Ie92a5e6f843d39e524cc68e51c99b5c7f1cc6d73
Partial-Bug: #1778931

cvm/__main__.py

@@ -86,6 +86,7 @@ def run_introspect(args, database):
 def main(args):
     database = Database()
     vmware_monitor = build_monitor(args.config_file, database)
+    vmware_monitor.sync()
     run_introspect(args, database)
     greenlets = [
         gevent.spawn(vmware_monitor.start()),

cvm/monitors.py

@@ -3,8 +3,10 @@ def __init__(self, esxi_api_client, vmware_controller):
         self._esxi_api_client = esxi_api_client
         self._controller = vmware_controller
 
-    def start(self):
+    def sync(self):
         self._controller.initialize_database()
+
+    def start(self):
         while True:
             update_set = self._esxi_api_client.wait_for_updates()
             if update_set:

cvm/sandesh_handler.py

@@ -23,7 +23,9 @@ def handle_virtual_machine_request(self, request):
             vm_models = [self._database.get_vm_model_by_name(request.name)]
         else:
             vm_models = self._database.get_all_vm_models()
-        virtual_machines_data = [self._converter.convert_vm(vm_model) for vm_model in vm_models]
+        virtual_machines_data = [
+            self._converter.convert_vm(vm_model) for vm_model in vm_models if vm_model is not None
+        ]
         response = VirtualMachineResponse(virtual_machines_data)
         response.response(request.context())
 
@@ -34,7 +36,9 @@ def handle_virtual_network_request(self, request):
             vn_models = [self._database.get_vn_model_by_key(request.key)]
         else:
             vn_models = self._database.get_all_vn_models()
-        virtual_networks_data = [self._converter.convert_vn(vn_model) for vn_model in vn_models]
+        virtual_networks_data = [
+            self._converter.convert_vn(vn_model) for vn_model in vn_models if vn_model is not None
+        ]
         response = VirtualNetworkResponse(virtual_networks_data)
         response.response(request.context())
 
@@ -43,8 +47,10 @@ def handle_virtual_machine_interface_request(self, request):
             vmi_models = [self._database.get_vmi_model_by_uuid(request.uuid)]
         else:
             vmi_models = self._database.get_all_vmi_models()
-        virtual_interfaces_data = [self._converter.convert_vmi(vmi_model) for vmi_model in vmi_models]
-        response = VirtualNetworkResponse(virtual_interfaces_data)
+        virtual_interfaces_data = [
+            self._converter.convert_vmi(vmi_model) for vmi_model in vmi_models if vmi_model is not None
+        ]
+        response = VirtualMachineInterfaceResponse(virtual_interfaces_data)
         response.response(request.context())