get available credentials

TOSCA/application_example_updated.yaml

@@ -2,6 +2,7 @@ tosca_definitions_version: tosca_simple_yaml_1_0
 
 imports:
   - nodes: https://raw.githubusercontent.com/skoulouzis/DRIP/DRIP_3.0/TOSCA/types/nodes.yaml
+  - data: 
   - capabilities: https://raw.githubusercontent.com/skoulouzis/DRIP/DRIP_3.0/TOSCA/types/capabilities.yaml
   - policies: https://raw.githubusercontent.com/skoulouzis/DRIP/DRIP_3.0/TOSCA/types/policies.yaml
   - interfaces: https://raw.githubusercontent.com/skoulouzis/DRIP/DRIP_3.0/TOSCA/types/interfaces.yml

TOSCA/types/data.yml

+tosca_definitions_version: tosca_simple_yaml_1_0
+
+data_types:
+
+    tosca.datatypes.ARTICONF.Credential:
+        derived_from: tosca.datatypes.ARTICONF.Credential
+        properties:
+            cloud_provider_name:
+            type: string
+            required: true

TOSCA/types/nodes.yaml

@@ -114,7 +114,7 @@ node_types:
         description: The name of the provider e.g. EC2, ExoGeni etc.              
     attributes:
       credential:
-        type: tosca.datatypes.Credential
+        type: tosca.datatypes.ARTICONF.Credential
         required: false    
     interfaces:
       Standard:
@@ -186,8 +186,6 @@ node_types:
     interfaces:
       Standard:
         create: dumy.yaml        
-    
-    
         
   tosca.nodes.ARTICONF.Infrastructure:
     derived_from:  tosca.nodes.ARTICONF.Root

drip-commons/src/main/java/nl/uva/sne/drip/commons/utils/ToscaHelper.java

@@ -26,6 +26,7 @@ import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;
 import nl.uva.sne.drip.model.NodeTemplate;
+import nl.uva.sne.drip.model.tosca.Credential;
 import nl.uva.sne.drip.model.tosca.ToscaTemplate;
 import nl.uva.sne.drip.sure.tosca.client.DefaultApi;
 import org.apache.commons.io.FileUtils;
@@ -174,4 +175,12 @@ public class ToscaHelper {
         }
     }
 
+    public void setCredentialsInVMTopology(NodeTemplate vmTopology, Credential credential) throws Exception {
+        if (vmTopology.getType().equals(VM_TOPOLOGY)) {
+            vmTopology.getAttributes();
+        } else {
+            throw new Exception("NodeTemplate is not of type: " + VM_TOPOLOGY + " it is of type: " + vmTopology.getType());
+        }
+    }
+
 }

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

@@ -50,9 +50,15 @@ public class DRIPService {
             ToscaTemplate toscaTemplate = toscaTemplateService.getYaml2ToscaTemplate(ymlToscaTemplate);
             helper.uploadToscaTemplate(toscaTemplate);
             List<NodeTemplate> vmTopologies = helper.getVMTopologyTemplates();
+            List<Credential> credentials = null;
             for (NodeTemplate vmTopology : vmTopologies) {
                 String provider = helper.getTopologyProvider(vmTopology);
-                List<Credential> credentials = credentialService.findByProvider(provider);
+                credentials = credentialService.findByProvider(provider.toLowerCase());
+                if (credentials != null && credentials.size() > 0) {
+                    Credential credential = getBestCredential(vmTopology, credentials);
+                    helper.setCredentialsInVMTopology(vmTopology, credential);
+                    break;
+                }
             }
 
             Message message = new Message();
@@ -90,4 +96,8 @@ public class DRIPService {
         this.requestQeueName = requestQeueName;
     }
 
+    private Credential getBestCredential(NodeTemplate vmTopology, List<Credential> credentials) {
+        return credentials.get(0);
+    }
+
 }

openAPI/schema/TOSCA/Credential.yml

-Credential:
-    type: "object"
-    properties:
-        protocol:
-            type: "string"
-        token_type:
-            type: "string"
-        token:
-            type: "string"
-        keys:
-            type: object
-            additionalProperties:
-                type: string    
-        user:
-            type: "string"
-        cloud_provider_name:
-            type: "string"
+  Credential:
+      type: "object"
+      properties:
+          protocol:
+              type: "string"
+              description: "The optional protocol name. e.g. http,xauth,oauth2,ssh"
+          token_type:
+              type: "string"
+              description: "The required token type. default: password. e.g. basic_auth,X-Auth-Token, bearer, identifier"
+          token:
+              type: "string"
+              description: "The required token used as a credential for authorization or access to a networked resource. e.g. mypassword, myusername:mypassword,  604bbe45ac7143a79e14f3158df67091, keypair_id"
+          keys:
+              type: object
+              additionalProperties:
+                  type: string
+              description: "The optional list of protocol-specific keys or assertions."
+          user:
+              type: "string"
+              description: "The optional user (name or ID) used for non-token based credentials."
+          cloud_provider_name:
+              type: "string"