added MissingVMTopologyException

.travis.yml

@@ -12,7 +12,7 @@ matrix:
     - python -m unittest discover
     - docker build -t alogo53/planner:3.0.0 .
   - language: python
-    python: 3.8
+    python: 3.7
     before_script:
     - cd sure_tosca-flask-server
     - pip install -r requirements.txt

manager/src/main/java/nl/uva/sne/drip/service/DRIPService.java

@@ -16,6 +16,7 @@ import java.util.logging.Logger;
 import nl.uva.sne.drip.api.NotFoundException;
 import nl.uva.sne.drip.commons.utils.ToscaHelper;
 import nl.uva.sne.drip.model.Exceptions.MissingCredentialsException;
+import nl.uva.sne.drip.model.Exceptions.MissingVMTopologyException;
 import nl.uva.sne.drip.model.Exceptions.TypeExeption;
 import nl.uva.sne.drip.model.Message;
 import nl.uva.sne.drip.model.NodeTemplateMap;
@@ -94,8 +95,11 @@ public class DRIPService {
         return credentials.get(0);
     }
 
-    private ToscaTemplate addCredentials(ToscaTemplate toscaTemplate) throws MissingCredentialsException, ApiException, TypeExeption {
+    private ToscaTemplate addCredentials(ToscaTemplate toscaTemplate) throws MissingCredentialsException, ApiException, TypeExeption, MissingVMTopologyException {
         List<NodeTemplateMap> vmTopologies = helper.getVMTopologyTemplates();
+        if(vmTopologies== null){
+            throw new MissingVMTopologyException("ToscaTemplate: "+toscaTemplate+" has no VM topology");
+        }
         List<Credential> credentials = null;
         for (NodeTemplateMap vmTopologyMap : vmTopologies) {
             String provider = helper.getTopologyProvider(vmTopologyMap);
@@ -120,7 +124,7 @@ public class DRIPService {
         return execute(toscaTemplate);
     }
 
-    public String provision(String id) throws MissingCredentialsException, ApiException, TypeExeption, IOException, JsonProcessingException, TimeoutException, InterruptedException, NotFoundException {
+    public String provision(String id) throws MissingCredentialsException, ApiException, TypeExeption, IOException, JsonProcessingException, TimeoutException, InterruptedException, NotFoundException, MissingVMTopologyException {
         ToscaTemplate toscaTemplate = initExecution(id);
         toscaTemplate = addCredentials(toscaTemplate);
         toscaTemplate = setProvisionerOperation(toscaTemplate, PROVISIONER_OPERATION.PROVISION);
@@ -169,13 +173,15 @@ public class DRIPService {
     void deleteActions(ToscaTemplate toscaTemplate) throws ApiException, TypeExeption, IOException {
         helper.uploadToscaTemplate(toscaTemplate);
         List<NodeTemplateMap> vmTopologies = helper.getVMTopologyTemplates();
+        if (vmTopologies != null) {
             for (NodeTemplateMap vmTopology : vmTopologies) {
                 CloudsStormSubTopology.StatusEnum status = helper.getVMTopologyTemplateStatus(vmTopology);
                 if (!status.equals(CloudsStormSubTopology.StatusEnum.DELETED)) {
-
+                    Logger.getLogger(ToscaHelper.class.getName()).log(Level.FINE, "Deleting VMs from " + vmTopology);
                 }
 
             }
+        }
 
     }
 

sure_tosca-flask-server/sure_tosca/service/tosca_template_service.py

@@ -221,9 +221,11 @@ def get_node_templates(id, type_name=None, node_name=None, has_interfaces=None,
         prop = None
         queries.append(query.artifacts != prop)
 
-
     query_results = query_db(queries, db=node_template_db)
+    if query_results:
         return change_to_node_template_model(query_results)
+    else:
+        return query_results
 
 
 def get_tosca_template_get_dsl_definitions(id, anchors, derived_from):