[SDC-29] Amdocs OnBoard 1707 initial commit.

Change-Id: Ie4d12a3f574008b792899b368a0902a8b46b5370
Signed-off-by: AviZi <avi.ziv@amdocs.com>

20 files changed, 496 insertions, 514 deletions

diff --git a/openecomp-be/lib/openecomp-heat-lib/src/main/java/org/openecomp/sdc/heat/datatypes/DefinedHeatParameterTypes.java b/openecomp-be/lib/openecomp-heat-lib/src/main/java/org/openecomp/sdc/heat/datatypes/DefinedHeatParameterTypes.java
index 62364e7a11..d4b6a88ba9 100644
--- a/openecomp-be/lib/openecomp-heat-lib/src/main/java/org/openecomp/sdc/heat/datatypes/DefinedHeatParameterTypes.java
+++ b/openecomp-be/lib/openecomp-heat-lib/src/main/java/org/openecomp/sdc/heat/datatypes/DefinedHeatParameterTypes.java
@@ -33,7 +33,6 @@ public enum DefinedHeatParameterTypes {
   COMMA_DELIMITED_LIST("comma_delimited_list"),
   JSON("json"),
   BOOLEAN("boolean");
-  // TODO : ASK SEGEV ABOUT STRING
 
   private static Map<String, DefinedHeatParameterTypes> stringToDefinedType = new HashMap<>();
 
@@ -80,11 +79,8 @@ public enum DefinedHeatParameterTypes {
           return (value instanceof Map) || (value instanceof List);
 
         case STRING:
-          //return value instanceof String;
           return true;
-
         default:
-        // return false;
       }
     }
 
diff --git a/openecomp-be/lib/openecomp-heat-lib/src/main/java/org/openecomp/sdc/heat/datatypes/manifest/FileData.java b/openecomp-be/lib/openecomp-heat-lib/src/main/java/org/openecomp/sdc/heat/datatypes/manifest/FileData.java
index 728b714868..dd487603e1 100644
--- a/openecomp-be/lib/openecomp-heat-lib/src/main/java/org/openecomp/sdc/heat/datatypes/manifest/FileData.java
+++ b/openecomp-be/lib/openecomp-heat-lib/src/main/java/org/openecomp/sdc/heat/datatypes/manifest/FileData.java
@@ -20,6 +20,9 @@
 
 package org.openecomp.sdc.heat.datatypes.manifest;
 
+import org.apache.commons.collections4.CollectionUtils;
+
+import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.HashSet;
 import java.util.List;
@@ -75,6 +78,18 @@ public class FileData {
     this.data = data;
   }
 
+  /**
+   * Add file data.
+   *
+   * @param data the data
+   */
+  public void addFileData(FileData data) {
+    if (CollectionUtils.isEmpty(this.data)) {
+      this.data = new ArrayList<>();
+    }
+    this.data.add(data);
+  }
+
   public enum Type {
 
     HEAT("HEAT"),
@@ -103,5 +118,10 @@ public class FileData {
       return displayName;
     }
 
+    public static boolean isArtifact(Type fileType)
+    {
+      return !Arrays.asList(HEAT,HEAT_ENV, HEAT_VOL).contains(fileType);
+    }
+
   }
 }
diff --git a/openecomp-be/lib/openecomp-heat-lib/src/main/java/org/openecomp/sdc/heat/datatypes/model/Constraint.java b/openecomp-be/lib/openecomp-heat-lib/src/main/java/org/openecomp/sdc/heat/datatypes/model/Constraint.java
index 8aad825055..ebbb064ce9 100644
--- a/openecomp-be/lib/openecomp-heat-lib/src/main/java/org/openecomp/sdc/heat/datatypes/model/Constraint.java
+++ b/openecomp-be/lib/openecomp-heat-lib/src/main/java/org/openecomp/sdc/heat/datatypes/model/Constraint.java
@@ -26,7 +26,7 @@ import java.util.List;
 public class Constraint {
   private Object[] length;
   private Integer[] range;
-  private List<Object> valid_values;
+  private List<Object> validValues;
   private String pattern;
 
   public Constraint() {
@@ -40,12 +40,12 @@ public class Constraint {
     this.range = new Integer[]{inRange[0], inRange[1]};
   }
 
-  public List<Object> getValid_values() {
-    return valid_values;
+  public List<Object> getValidValues() {
+    return validValues;
   }
 
-  public void setValid_values(List<Object> validValues) {
-    this.valid_values = validValues;
+  public void setValidValues(List<Object> validValues) {
+    this.validValues = validValues;
   }
 
   /**
@@ -54,10 +54,10 @@ public class Constraint {
    * @param validValue the valid value
    */
   public void addValidValue(Object validValue) {
-    if (this.valid_values == null) {
-      this.valid_values = new ArrayList<>();
+    if (this.validValues == null) {
+      this.validValues = new ArrayList<>();
     }
-    valid_values.add(validValue);
+    validValues.add(validValue);
   }
 
   public Object[] getLength() {
diff --git a/openecomp-be/lib/openecomp-heat-lib/src/main/java/org/openecomp/sdc/heat/datatypes/model/ContrailResourceTypes.java b/openecomp-be/lib/openecomp-heat-lib/src/main/java/org/openecomp/sdc/heat/datatypes/model/ContrailResourceTypes.java
new file mode 100644
index 0000000000..47eaefafec
--- /dev/null
+++ b/openecomp-be/lib/openecomp-heat-lib/src/main/java/org/openecomp/sdc/heat/datatypes/model/ContrailResourceTypes.java
@@ -0,0 +1,69 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.heat.datatypes.model;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Objects;
+
+public enum ContrailResourceTypes {
+  ATTACH_POLICY("OS::Contrail::AttachPolicy"),
+  SERVICE_INSTANCE("OS::Contrail::ServiceInstance"),
+  SERVICE_TEMPLATE("OS::Contrail::ServiceTemplate"),
+  NETWORK_POLICY("OS::Contrail::NetworkPolicy"),
+  VIRTUAL_NETWORK("OS::Contrail::VirtualNetwork");
+
+  private static Map<String, ContrailResourceTypes> stringToContrailResourceTypeMap;
+
+  static {
+    stringToContrailResourceTypeMap = new HashMap<>();
+
+    for (ContrailResourceTypes type : ContrailResourceTypes.values()) {
+      stringToContrailResourceTypeMap.put(type.contrailResourceType, type);
+    }
+  }
+
+  private String contrailResourceType;
+
+  ContrailResourceTypes(String contrailResourceType) {
+    this.contrailResourceType = contrailResourceType;
+  }
+
+  /**
+   * Find by contrail v 2 resource contrail resource types.
+   *
+   * @param contrailV2Resource the contrail v 2 resource
+   * @return the contrail resource types
+   */
+  public static ContrailResourceTypes findByContrailV2Resource(String contrailV2Resource) {
+    return contrailV2Resource == null ? null
+        : stringToContrailResourceTypeMap.get(contrailV2Resource);
+
+  }
+
+  public static boolean isResourceTypeContrail(String resourceType) {
+    return Objects.nonNull(findByContrailV2Resource(resourceType));
+  }
+
+  public String getContrailResourceType() {
+    return contrailResourceType;
+  }
+}
diff --git a/openecomp-be/lib/openecomp-heat-lib/src/main/java/org/openecomp/sdc/heat/datatypes/model/ContrailV2ResourceTypes.java b/openecomp-be/lib/openecomp-heat-lib/src/main/java/org/openecomp/sdc/heat/datatypes/model/ContrailV2ResourceTypes.java
new file mode 100644
index 0000000000..ff706093f8
--- /dev/null
+++ b/openecomp-be/lib/openecomp-heat-lib/src/main/java/org/openecomp/sdc/heat/datatypes/model/ContrailV2ResourceTypes.java
@@ -0,0 +1,60 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.heat.datatypes.model;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Objects;
+
+public enum ContrailV2ResourceTypes {
+  NETWROK_IPAM("OS::ContrailV2::NetworkIpam"),
+  VIRTUAL_NETWORK("OS::ContrailV2::VirtualNetwork"),
+  NETWORK_POLICY("OS::ContrailV2::NetworkPolicy"),
+  VIRTUAL_MACHINE_INTERFACE("OS::ContrailV2::VirtualMachineInterface");
+
+  private static Map<String, ContrailV2ResourceTypes> stringToContrailV2ResourceTypeMap;
+
+  static {
+    stringToContrailV2ResourceTypeMap = new HashMap<>();
+
+    for (ContrailV2ResourceTypes type : ContrailV2ResourceTypes.values()) {
+      stringToContrailV2ResourceTypeMap.put(type.contrailV2ResourceType, type);
+    }
+  }
+
+  private String contrailV2ResourceType;
+
+  ContrailV2ResourceTypes(String contrailV2ResourceType) {
+    this.contrailV2ResourceType = contrailV2ResourceType;
+  }
+
+  public static ContrailV2ResourceTypes findByContrailV2Resource(String contrailV2Resource) {
+    return stringToContrailV2ResourceTypeMap.get(contrailV2Resource);
+  }
+
+  public static boolean isResourceTypeContrailV2(String resourceType) {
+    return Objects.nonNull(findByContrailV2Resource(resourceType));
+  }
+
+  public String getContrailV2ResourceType() {
+    return contrailV2ResourceType;
+  }
+}
diff --git a/openecomp-be/lib/openecomp-heat-lib/src/main/java/org/openecomp/sdc/heat/datatypes/model/GroupTypeValues.java b/openecomp-be/lib/openecomp-heat-lib/src/main/java/org/openecomp/sdc/heat/datatypes/model/GroupTypeValues.java
deleted file mode 100644
index 84259b1807..0000000000
--- a/openecomp-be/lib/openecomp-heat-lib/src/main/java/org/openecomp/sdc/heat/datatypes/model/GroupTypeValues.java
+++ /dev/null
@@ -1,49 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * SDC
- * ================================================================================
- * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- * 
- *      http://www.apache.org/licenses/LICENSE-2.0
- * 
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ============LICENSE_END=========================================================
- */
-
-package org.openecomp.sdc.heat.datatypes.model;
-
-import java.util.ArrayList;
-import java.util.List;
-
-public enum GroupTypeValues {
-  EXCLUSIVITY("exclusivity"),
-  AFFINITY("affinity"),
-  DIVERSITY("diversity");
-
-  private static List<String> groupTypeAsStrings;
-
-  static {
-    groupTypeAsStrings = new ArrayList<>();
-    for (GroupTypeValues attGroupTypeValue : GroupTypeValues.values()) {
-      groupTypeAsStrings.add(attGroupTypeValue.groupTypeValue);
-    }
-  }
-
-  private String groupTypeValue;
-
-  GroupTypeValues(String groupTypeValue) {
-    this.groupTypeValue = groupTypeValue;
-  }
-
-  public static boolean isGroupTypeValid(String groupType) {
-    return groupTypeAsStrings.contains(groupType);
-  }
-}
diff --git a/openecomp-be/lib/openecomp-heat-lib/src/main/java/org/openecomp/sdc/heat/datatypes/model/HeatOrchestrationTemplate.java b/openecomp-be/lib/openecomp-heat-lib/src/main/java/org/openecomp/sdc/heat/datatypes/model/HeatOrchestrationTemplate.java
index 4170d35d7a..294bb9e47e 100644
--- a/openecomp-be/lib/openecomp-heat-lib/src/main/java/org/openecomp/sdc/heat/datatypes/model/HeatOrchestrationTemplate.java
+++ b/openecomp-be/lib/openecomp-heat-lib/src/main/java/org/openecomp/sdc/heat/datatypes/model/HeatOrchestrationTemplate.java
@@ -36,8 +36,8 @@ public class HeatOrchestrationTemplate {
     return heat_template_version;
   }
 
-  public void setHeat_template_version(String heatTemplateVersion) {
-    this.heat_template_version = heatTemplateVersion;
+  public void setHeat_template_version(String heat_template_version) {
+    this.heat_template_version = heat_template_version;
   }
 
   public String getDescription() {
@@ -52,8 +52,8 @@ public class HeatOrchestrationTemplate {
     return parameter_groups;
   }
 
-  public void setParameter_groups(List<ParameterGroup> parameterGroups) {
-    this.parameter_groups = parameterGroups;
+  public void setParameter_groups(List<ParameterGroup> parameter_groups) {
+    this.parameter_groups = parameter_groups;
   }
 
   public Map<String, Parameter> getParameters() {
diff --git a/openecomp-be/lib/openecomp-heat-lib/src/main/java/org/openecomp/sdc/heat/datatypes/model/HeatResourcesTypes.java b/openecomp-be/lib/openecomp-heat-lib/src/main/java/org/openecomp/sdc/heat/datatypes/model/HeatResourcesTypes.java
index d4adfe7d32..b73fe385a6 100644
--- a/openecomp-be/lib/openecomp-heat-lib/src/main/java/org/openecomp/sdc/heat/datatypes/model/HeatResourcesTypes.java
+++ b/openecomp-be/lib/openecomp-heat-lib/src/main/java/org/openecomp/sdc/heat/datatypes/model/HeatResourcesTypes.java
@@ -26,93 +26,27 @@ import java.util.List;
 import java.util.Map;
 import java.util.Objects;
 
-/**
- * The enum Heat resources types.
- */
 public enum HeatResourcesTypes {
-  /**
-   * Nova server resource type heat resources types.
-   */
   NOVA_SERVER_RESOURCE_TYPE("OS::Nova::Server"),
-  /**
-   * Nova server group resource type heat resources types.
-   */
   NOVA_SERVER_GROUP_RESOURCE_TYPE("OS::Nova::ServerGroup"),
-  /**
-   * Neutron port resource type heat resources types.
-   */
   NEUTRON_PORT_RESOURCE_TYPE("OS::Neutron::Port"),
-  /**
-   * Contrail network rule resource type heat resources types.
-   */
   CONTRAIL_NETWORK_RULE_RESOURCE_TYPE("OS::Contrail::NetworkPolicy"),
-  /**
-   * Contrail network attach rule resource type heat resources types.
-   */
   CONTRAIL_NETWORK_ATTACH_RULE_RESOURCE_TYPE("OS::Contrail::AttachPolicy"),
-  /**
-   * Contrail virtual network resource type heat resources types.
-   */
   CONTRAIL_VIRTUAL_NETWORK_RESOURCE_TYPE("OS::Contrail::VirtualNetwork"),
-  /**
-   * Cinder volume resource type heat resources types.
-   */
   CINDER_VOLUME_RESOURCE_TYPE("OS::Cinder::Volume"),
-  /**
-   * Cinder volume attachment resource type heat resources types.
-   */
   CINDER_VOLUME_ATTACHMENT_RESOURCE_TYPE("OS::Cinder::VolumeAttachment"),
-  /**
-   * Neutron net resource type heat resources types.
-   */
   NEUTRON_NET_RESOURCE_TYPE("OS::Neutron::Net"),
-  /**
-   * Neutron subnet resource type heat resources types.
-   */
   NEUTRON_SUBNET_RESOURCE_TYPE("OS::Neutron::Subnet"),
-  /**
-   * Neutron security group resource type heat resources types.
-   */
   NEUTRON_SECURITY_GROUP_RESOURCE_TYPE("OS::Neutron::SecurityGroup"),
-  /**
-   * Heat software config type heat resources types.
-   */
   HEAT_SOFTWARE_CONFIG_TYPE("OS::Heat::SoftwareConfig"),
-  /**
-   * Heat cloud config type heat resources types.
-   */
   HEAT_CLOUD_CONFIG_TYPE("OS::Heat::CloudConfig"),
-  /**
-   * Heat multipart mime type heat resources types.
-   */
   HEAT_MULTIPART_MIME_TYPE("OS::Heat::MultipartMime"),
-  /**
-   * Heat contrail network ipam type heat resources types.
-   */
   HEAT_CONTRAIL_NETWORK_IPAM_TYPE("OS::Contrail::NetworkIpam"),
-  /**
-   * Contrail v 2 virtual network resource type heat resources types.
-   */
   CONTRAIL_V2_VIRTUAL_NETWORK_RESOURCE_TYPE("OS::ContrailV2::VirtualNetwork"),
-  /**
-   * Contrail v 2 virtual machine interface resource type heat resources types.
-   */
   CONTRAIL_V2_VIRTUAL_MACHINE_INTERFACE_RESOURCE_TYPE("OS::ContrailV2::VirtualMachineInterface"),
-  /**
-   * Contrail service template heat resources types.
-   */
   CONTRAIL_SERVICE_TEMPLATE("OS::Contrail::ServiceTemplate"),
-  /**
-   * Contrail service instance heat resources types.
-   */
   CONTRAIL_SERVICE_INSTANCE("OS::Contrail::ServiceInstance"),
-  /**
-   * Contrail v 2 network rule resource type heat resources types.
-   */
   CONTRAIL_V2_NETWORK_RULE_RESOURCE_TYPE("OS::ContrailV2::NetworkPolicy"),
-  /**
-   * Resource group resource type heat resources types.
-   */
   RESOURCE_GROUP_RESOURCE_TYPE("OS::Heat::ResourceGroup");
 
   private static Map<String, HeatResourcesTypes> stringToHeatResourceTypeMap;
@@ -132,22 +66,10 @@ public enum HeatResourcesTypes {
     this.heatResource = heatResource;
   }
 
-  /**
-   * Find by heat resource heat resources types.
-   *
-   * @param heatResource the heat resource
-   * @return the heat resources types
-   */
   public static HeatResourcesTypes findByHeatResource(String heatResource) {
     return stringToHeatResourceTypeMap.get(heatResource);
   }
 
-  /**
-   * Is resource type valid boolean.
-   *
-   * @param resourceType the resource type
-   * @return the boolean
-   */
   public static boolean isResourceTypeValid(String resourceType) {
     return Objects.nonNull(findByHeatResource(resourceType));
   }
@@ -159,6 +81,7 @@ public enum HeatResourcesTypes {
    * @return the boolean
    */
   public static boolean isResourceExpectedToBeExposed(String resourceType) {
+    //todo - check
     return (resourceType.equals(NOVA_SERVER_GROUP_RESOURCE_TYPE.getHeatResource())
         || resourceType.equals(CONTRAIL_VIRTUAL_NETWORK_RESOURCE_TYPE.getHeatResource())
         || resourceType.equals(NEUTRON_NET_RESOURCE_TYPE.getHeatResource())
@@ -184,21 +107,11 @@ public enum HeatResourcesTypes {
     return result;
   }
 
-  /**
-   * Gets heat resource.
-   *
-   * @return the heat resource
-   */
   public String getHeatResource() {
 
     return heatResource;
   }
 
-  /**
-   * Sets heat resource.
-   *
-   * @param heatResource the heat resource
-   */
   public void setHeatResource(String heatResource) {
     this.heatResource = heatResource;
   }
diff --git a/openecomp-be/lib/openecomp-heat-lib/src/main/java/org/openecomp/sdc/heat/datatypes/model/Parameter.java b/openecomp-be/lib/openecomp-heat-lib/src/main/java/org/openecomp/sdc/heat/datatypes/model/Parameter.java
index 63681cc80c..d419738942 100644
--- a/openecomp-be/lib/openecomp-heat-lib/src/main/java/org/openecomp/sdc/heat/datatypes/model/Parameter.java
+++ b/openecomp-be/lib/openecomp-heat-lib/src/main/java/org/openecomp/sdc/heat/datatypes/model/Parameter.java
@@ -60,8 +60,8 @@ public class Parameter {
     return _default;
   }
 
-  public void set_default(Object defaultValue) {
-    this._default = defaultValue;
+  public void set_default(Object _default) {
+    this._default = _default;
   }
 
   public boolean isHidden() {
diff --git a/openecomp-be/lib/openecomp-heat-lib/src/main/java/org/openecomp/sdc/heat/datatypes/model/Resource.java b/openecomp-be/lib/openecomp-heat-lib/src/main/java/org/openecomp/sdc/heat/datatypes/model/Resource.java
index f4c3cd91cb..2c70105da9 100644
--- a/openecomp-be/lib/openecomp-heat-lib/src/main/java/org/openecomp/sdc/heat/datatypes/model/Resource.java
+++ b/openecomp-be/lib/openecomp-heat-lib/src/main/java/org/openecomp/sdc/heat/datatypes/model/Resource.java
@@ -58,24 +58,24 @@ public class Resource {
     return depends_on;
   }
 
-  public void setDepends_on(Object dependsOn) {
-    this.depends_on = dependsOn;
+  public void setDepends_on(Object depends_on) {
+    this.depends_on = depends_on;
   }
 
   public Object getUpdate_policy() {
     return update_policy;
   }
 
-  public void setUpdate_policy(Object updatePolicy) {
-    this.update_policy = updatePolicy;
+  public void setUpdate_policy(Object update_policy) {
+    this.update_policy = update_policy;
   }
 
   public Object getDeletion_policy() {
     return deletion_policy;
   }
 
-  public void setDeletion_policy(Object deletionPolicy) {
-    this.deletion_policy = deletionPolicy;
+  public void setDeletion_policy(Object deletion_policy) {
+    this.deletion_policy = deletion_policy;
   }
 
   @Override
diff --git a/openecomp-be/lib/openecomp-heat-lib/src/main/java/org/openecomp/sdc/heat/datatypes/structure/Artifact.java b/openecomp-be/lib/openecomp-heat-lib/src/main/java/org/openecomp/sdc/heat/datatypes/structure/Artifact.java
index b5c263f545..95ae4e59c7 100644
--- a/openecomp-be/lib/openecomp-heat-lib/src/main/java/org/openecomp/sdc/heat/datatypes/structure/Artifact.java
+++ b/openecomp-be/lib/openecomp-heat-lib/src/main/java/org/openecomp/sdc/heat/datatypes/structure/Artifact.java
@@ -73,6 +73,11 @@ public class Artifact implements Comparable<Artifact> {
     this.errors.add(error);
   }
 
+  @Override
+  public int hashCode() {
+    int result = fileName.hashCode();
+    return result;
+  }
 
   @Override
   public boolean equals(Object obj) {
@@ -93,12 +98,6 @@ public class Artifact implements Comparable<Artifact> {
   }
 
   @Override
-  public int hashCode() {
-    int result = fileName.hashCode();
-    return result;
-  }
-
-  @Override
   public int compareTo(Artifact artifact) {
     return artifact.getFileName().compareTo(this.getFileName());
   }
diff --git a/openecomp-be/lib/openecomp-heat-lib/src/main/java/org/openecomp/sdc/heat/datatypes/structure/HeatStructureTree.java b/openecomp-be/lib/openecomp-heat-lib/src/main/java/org/openecomp/sdc/heat/datatypes/structure/HeatStructureTree.java
index c86425fd43..5313d4d370 100644
--- a/openecomp-be/lib/openecomp-heat-lib/src/main/java/org/openecomp/sdc/heat/datatypes/structure/HeatStructureTree.java
+++ b/openecomp-be/lib/openecomp-heat-lib/src/main/java/org/openecomp/sdc/heat/datatypes/structure/HeatStructureTree.java
@@ -30,9 +30,6 @@ import java.util.List;
 import java.util.Set;
 import java.util.TreeSet;
 
-/**
- * The type Heat structure tree.
- */
 public class HeatStructureTree implements Comparable<HeatStructureTree> {
 
   private String fileName;
@@ -40,27 +37,18 @@ public class HeatStructureTree implements Comparable<HeatStructureTree> {
   private Boolean isBase;
   private HeatStructureTree env;
   private List<ErrorMessage> errors;
-  private Set<HeatStructureTree> HEAT;
+  private Set<HeatStructureTree> heat;
   private Set<HeatStructureTree> volume;
   private Set<HeatStructureTree> network;
   private Set<HeatStructureTree> nested;
   private Set<HeatStructureTree> other;
   private Set<Artifact> artifacts;
 
-  /**
-   * Instantiates a new Heat structure tree.
-   */
   public HeatStructureTree() {
   }
 
   ;
 
-  /**
-   * Instantiates a new Heat structure tree.
-   *
-   * @param fileName the file name
-   * @param isBase   the is base
-   */
   public HeatStructureTree(String fileName, boolean isBase) {
     setBase(isBase);
     setFileName(fileName);
@@ -84,102 +72,47 @@ public class HeatStructureTree implements Comparable<HeatStructureTree> {
     return null;
   }
 
-  /**
-   * Sets type.
-   *
-   * @param type the type
-   */
   public void setType(FileData.Type type) {
     this.type = type;
   }
 
-  /**
-   * Gets base.
-   *
-   * @return the base
-   */
   public Boolean getBase() {
     return isBase;
   }
 
-  /**
-   * Sets base.
-   *
-   * @param base the base
-   */
   public void setBase(Boolean base) {
     isBase = base;
   }
 
-  /**
-   * Gets file name.
-   *
-   * @return the file name
-   */
   public String getFileName() {
     return fileName;
   }
 
-  /**
-   * Sets file name.
-   *
-   * @param file the file
-   */
   public void setFileName(String file) {
     this.fileName = file;
   }
 
-  /**
-   * Gets heat.
-   *
-   * @return the heat
-   */
-  @JsonProperty(value = "HEAT")
-  public Set<HeatStructureTree> getHEAT() {
-    return HEAT;
+  @JsonProperty(value = "heat")
+  public Set<HeatStructureTree> getHeat() {
+    return heat;
   }
 
-  /**
-   * Sets heat.
-   *
-   * @param heat the heat
-   */
-  public void setHEAT(Set<HeatStructureTree> heat) {
-    this.HEAT = heat;
+  public void setHeat(Set<HeatStructureTree> heat) {
+    this.heat = heat;
   }
 
-  /**
-   * Gets nested.
-   *
-   * @return the nested
-   */
   public Set<HeatStructureTree> getNested() {
     return nested;
   }
 
-  /**
-   * Sets nested.
-   *
-   * @param nested the nested
-   */
   public void setNested(Set<HeatStructureTree> nested) {
     this.nested = nested;
   }
 
-  /**
-   * Gets artifacts.
-   *
-   * @return the artifacts
-   */
   public Set<Artifact> getArtifacts() {
     return artifacts;
   }
 
-  /**
-   * Sets artifacts.
-   *
-   * @param artifacts the artifacts
-   */
   public void setArtifacts(Set<Artifact> artifacts) {
     this.artifacts = artifacts;
   }
@@ -210,56 +143,26 @@ public class HeatStructureTree implements Comparable<HeatStructureTree> {
     this.artifacts.add(artifact);
   }
 
-  /**
-   * Gets env.
-   *
-   * @return the env
-   */
   public HeatStructureTree getEnv() {
     return env;
   }
 
-  /**
-   * Sets env.
-   *
-   * @param env the env
-   */
   public void setEnv(HeatStructureTree env) {
     this.env = env;
   }
 
-  /**
-   * Gets volume.
-   *
-   * @return the volume
-   */
   public Set<HeatStructureTree> getVolume() {
     return volume;
   }
 
-  /**
-   * Sets volume.
-   *
-   * @param volume the volume
-   */
   public void setVolume(Set<HeatStructureTree> volume) {
     this.volume = volume;
   }
 
-  /**
-   * Gets network.
-   *
-   * @return the network
-   */
   public Set<HeatStructureTree> getNetwork() {
     return network;
   }
 
-  /**
-   * Sets network.
-   *
-   * @param network the network
-   */
   public void setNetwork(Set<HeatStructureTree> network) {
     this.network = network;
   }
@@ -297,12 +200,12 @@ public class HeatStructureTree implements Comparable<HeatStructureTree> {
    *
    * @param heat the heat
    */
-  public void addHeatToHEATList(HeatStructureTree heat) {
-    if (this.HEAT == null) {
-      this.HEAT = new TreeSet<>();
+  public void addHeatToHeatList(HeatStructureTree heat) {
+    if (this.heat == null) {
+      this.heat = new TreeSet<>();
     }
 
-    this.HEAT.add(heat);
+    this.heat.add(heat);
   }
 
   /**
@@ -351,6 +254,21 @@ public class HeatStructureTree implements Comparable<HeatStructureTree> {
   }
 
   @Override
+  public int hashCode() {
+    int result1 = fileName != null ? fileName.hashCode() : 0;
+    result1 = 31 * result1 + (env != null ? env.hashCode() : 0);
+    result1 = 31 * result1 + (heat != null ? heat.hashCode() : 0);
+    result1 = 31 * result1 + (volume != null ? volume.hashCode() : 0);
+    result1 = 31 * result1 + (network != null ? network.hashCode() : 0);
+    result1 = 31 * result1 + (artifacts != null ? artifacts.hashCode() : 0);
+    result1 = 31 * result1 + (nested != null ? nested.hashCode() : 0);
+    result1 = 31 * result1 + (errors != null ? errors.hashCode() : 0);
+
+
+    return result1;
+  }
+
+  @Override
   public boolean equals(Object other) {
     if (this == other) {
       return true;
@@ -368,7 +286,7 @@ public class HeatStructureTree implements Comparable<HeatStructureTree> {
     if (env != null ? !env.equals(heatStructureTree.env) : heatStructureTree.env != null) {
       return false;
     }
-    if (HEAT != null ? !HEAT.equals(heatStructureTree.HEAT) : heatStructureTree.HEAT != null) {
+    if (heat != null ? !heat.equals(heatStructureTree.heat) : heatStructureTree.heat != null) {
       return false;
     }
     if (volume != null ? !volume.equals(heatStructureTree.volume)
@@ -395,35 +313,10 @@ public class HeatStructureTree implements Comparable<HeatStructureTree> {
     return true;
   }
 
-  @Override
-  public int hashCode() {
-    int result1 = fileName != null ? fileName.hashCode() : 0;
-    result1 = 31 * result1 + (env != null ? env.hashCode() : 0);
-    result1 = 31 * result1 + (HEAT != null ? HEAT.hashCode() : 0);
-    result1 = 31 * result1 + (volume != null ? volume.hashCode() : 0);
-    result1 = 31 * result1 + (network != null ? network.hashCode() : 0);
-    result1 = 31 * result1 + (artifacts != null ? artifacts.hashCode() : 0);
-    result1 = 31 * result1 + (nested != null ? nested.hashCode() : 0);
-    result1 = 31 * result1 + (errors != null ? errors.hashCode() : 0);
-
-
-    return result1;
-  }
-
-  /**
-   * Gets errors.
-   *
-   * @return the errors
-   */
   public List<ErrorMessage> getErrors() {
     return errors;
   }
 
-  /**
-   * Sets errors.
-   *
-   * @param errors the errors
-   */
   public void setErrors(List<ErrorMessage> errors) {
     this.errors = errors;
   }
@@ -442,26 +335,16 @@ public class HeatStructureTree implements Comparable<HeatStructureTree> {
     }
   }
 
-  /**
-   * Gets other.
-   *
-   * @return the other
-   */
   public Set<HeatStructureTree> getOther() {
     return other;
   }
 
-  /**
-   * Sets other.
-   *
-   * @param other the other
-   */
   public void setOther(Set<HeatStructureTree> other) {
     this.other = other;
   }
 
   @Override
-  public int compareTo(HeatStructureTree heatStructureTree) {
-    return heatStructureTree.getFileName().compareTo(this.getFileName());
+  public int compareTo(HeatStructureTree obj) {
+    return obj.getFileName().compareTo(this.getFileName());
   }
 }
diff --git a/openecomp-be/lib/openecomp-heat-lib/src/main/java/org/openecomp/sdc/heat/services/ErrorCodes.java b/openecomp-be/lib/openecomp-heat-lib/src/main/java/org/openecomp/sdc/heat/services/ErrorCodes.java
index c48d732e63..e239d225e8 100644
--- a/openecomp-be/lib/openecomp-heat-lib/src/main/java/org/openecomp/sdc/heat/services/ErrorCodes.java
+++ b/openecomp-be/lib/openecomp-heat-lib/src/main/java/org/openecomp/sdc/heat/services/ErrorCodes.java
@@ -20,6 +20,7 @@
 
 package org.openecomp.sdc.heat.services;
 
+
 public class ErrorCodes {
   public static final String INVALID_BOOLEAN = "INVALID_BOOLEAN";
 }
diff --git a/openecomp-be/lib/openecomp-heat-lib/src/main/java/org/openecomp/sdc/heat/services/HeatConstants.java b/openecomp-be/lib/openecomp-heat-lib/src/main/java/org/openecomp/sdc/heat/services/HeatConstants.java
index e2afe89a06..91f36a17d1 100644
--- a/openecomp-be/lib/openecomp-heat-lib/src/main/java/org/openecomp/sdc/heat/services/HeatConstants.java
+++ b/openecomp-be/lib/openecomp-heat-lib/src/main/java/org/openecomp/sdc/heat/services/HeatConstants.java
@@ -21,7 +21,7 @@
 package org.openecomp.sdc.heat.services;
 
 public class HeatConstants {
-  public static final String GET_ATT_FROM_RESOURCE_GROUP_PREFIX = "resource.";
+  public static final String GET_ATTR_FROM_RESOURCE_GROUP_PREFIX = "resource.";
   public static final String RESOURCE_GROUP_INDEX_VAR_DEFAULT_VALUE = "%index%";
 
   public static final String INDEX_PROPERTY_NAME = "index_var";
@@ -30,5 +30,30 @@ public class HeatConstants {
   public static final String VOLUME_ID_PROPERTY_NAME = "volume_id";
   public static final String RESOURCE_DEF_PROPERTY_NAME = "resource_def";
   public static final String SCALE_OUT_PROPERTY_NAME = "scale_out";
+  public static final String INTERFACE_LIST_PROPERTY_NAME = "interface_list";
+  public static final String VIRTUAL_NETWORK_PROPERTY_NAME = "virtual_network";
+  public static final String VMI_SUB_INTERFACE_VLAN_TAG_PROPERTY_NAME
+      = "virtual_machine_interface_properties_sub_interface_vlan_tag";
+  public static final String VMI_PROPERTIES_PROPERTY_NAME = "virtual_machine_interface_properties";
+  public static final String VMI_REFS_PROPERTY_NAME = "virtual_machine_interface_refs";
+  public static final String VMI_MAC_ADDRESSES = "virtual_machine_interface_mac_addresses";
+  public static final String VMI_MAC_ADDRESSES_MAC_ADDRESSES =
+      "virtual_machine_interface_mac_addresses#virtual_machine_interface_mac_addresses_mac_address";
+  public static final String VIRTUAL_NETWORK_REFS_PROPERTY_NAME = "virtual_network_refs";
+  public static final String READ_ONLY_PROPERTY_NAME = "read_only";
+  public static final String VOL_ID_PROPERTY_NAME = "volume_id";
+  public static final String CONFIG_DRIVE_PROPERTY_NAME = "config_drive";
+  public static final String AVAILABILITY_ZONE_ENABLE_PROPERTY_NAME = "availability_zone_enable";
+  public static final String ORDERED_INTERFACES_PROPERTY_NAME = "ordered_interfaces";
+  public static final String SHARED_IP_LIST_PROPERTY_NAME = "shared_ip_list";
+  public static final String STATIC_ROUTES_LIST_PROPERTY_NAME = "static_routes_list";
+  public static final String SERVICE_INTERFCAE_TYPE_LIST_PROPERTY_NAME =
+      "service_interface_type_list";
+  public static final String PORT_SECURITY_ENABLED_PROPERTY_NAME = "port_security_enabled";
+  public static final String SHARED_PROPERTY_NAME = "shared";
+  public static final String ADMIN_STATE_UP_PROPERTY_NAME = "admin_state_up";
+
+  public static final String CONTRAIL_RESOURCE_PREFIX = "OS::Contrail::";
+  public static final String CONTRAIL_V2_RESOURCE_PREFIX = "OS::ContrailV2::";
 
 }
diff --git a/openecomp-be/lib/openecomp-heat-lib/src/main/java/org/openecomp/sdc/heat/services/HeatStructureUtil.java b/openecomp-be/lib/openecomp-heat-lib/src/main/java/org/openecomp/sdc/heat/services/HeatStructureUtil.java
index a216b224af..cd217a50ef 100644
--- a/openecomp-be/lib/openecomp-heat-lib/src/main/java/org/openecomp/sdc/heat/services/HeatStructureUtil.java
+++ b/openecomp-be/lib/openecomp-heat-lib/src/main/java/org/openecomp/sdc/heat/services/HeatStructureUtil.java
@@ -21,18 +21,13 @@
 package org.openecomp.sdc.heat.services;
 
 import org.apache.commons.collections4.CollectionUtils;
-import org.apache.commons.collections4.MapUtils;
 import org.openecomp.core.validation.errors.ErrorMessagesFormatBuilder;
-import org.openecomp.core.validation.errors.Messages;
 import org.openecomp.core.validation.types.GlobalValidationContext;
+import org.openecomp.sdc.common.errors.Messages;
 import org.openecomp.sdc.datatypes.error.ErrorLevel;
-import org.openecomp.sdc.heat.datatypes.model.HeatOrchestrationTemplate;
-import org.openecomp.sdc.heat.datatypes.model.HeatResourcesTypes;
-import org.openecomp.sdc.heat.datatypes.model.PropertiesMapKeyTypes;
-import org.openecomp.sdc.heat.datatypes.model.Resource;
 import org.openecomp.sdc.heat.datatypes.model.ResourceReferenceFunctions;
+import org.openecomp.sdc.logging.types.LoggerTragetServiceName;
 
-import java.util.Collection;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
@@ -40,151 +35,11 @@ import java.util.Objects;
 import java.util.Set;
 
 /**
- * The type Heat structure util.
+ * Created by TALIO on 2/19/2017.
  */
 public class HeatStructureUtil {
 
   /**
-   * Gets nested files.
-   *
-   * @param filename      the filename
-   * @param hot           the hot
-   * @param globalContext the global context
-   * @return the nested files
-   */
-  public static Set<String> getNestedFiles(String filename, HeatOrchestrationTemplate hot,
-                                           GlobalValidationContext globalContext) {
-
-    Set<String> nestedFileList = new HashSet<>();
-    Set<String> resourceDefNestedFiles;
-    hot.getResources().values().stream().filter(
-        resource -> (resource.getType().endsWith(".yaml") || resource.getType().endsWith(".yml")))
-        .forEach(resource -> nestedFileList.add(resource.getType()));
-
-    resourceDefNestedFiles = getResourceDefNestedFiles(filename, hot, globalContext);
-    nestedFileList.addAll(resourceDefNestedFiles);
-
-    return nestedFileList;
-  }
-
-
-  private static Set<String> getResourceDefNestedFiles(String filename,
-                                                       HeatOrchestrationTemplate hot,
-                                                       GlobalValidationContext globalContext) {
-    Set<String> resourceDefNestedFiles = new HashSet<>();
-    hot.getResources()
-        .entrySet()
-        .stream()
-        .filter(entry -> entry.getValue().getType()
-            .equals(HeatResourcesTypes.RESOURCE_GROUP_RESOURCE_TYPE.getHeatResource()))
-        .filter(entry ->
-            getResourceDef(filename, entry.getKey(), entry.getValue(), globalContext) != null
-                && isNestedResource(
-                    getResourceDef(filename, entry.getKey(), entry.getValue(), globalContext)
-                        .getType()))
-        .forEach(entry -> resourceDefNestedFiles.add(
-            getResourceDef(filename, entry.getKey(), entry.getValue(), globalContext).getType()));
-
-    return resourceDefNestedFiles;
-  }
-
-
-  /**
-   * Gets resource def.
-   *
-   * @param filename      the filename
-   * @param resourceName  the resource name
-   * @param resource      the resource
-   * @param globalContext the global context
-   * @return the resource def
-   */
-  @SuppressWarnings("unchecked")
-  public static Resource getResourceDef(String filename, String resourceName, Resource resource,
-                                        GlobalValidationContext globalContext) {
-    Resource resourceDef = null;
-    Map<String, Object> resourceDefValueMap = resource.getProperties() == null ? null
-        : (Map<String, Object>) resource.getProperties()
-            .get(PropertiesMapKeyTypes.RESOURCE_DEF.getKeyMap());
-    if (MapUtils.isNotEmpty(resourceDefValueMap)) {
-      Object resourceDefType = resourceDefValueMap.get("type");
-      if (Objects.nonNull(resourceDefType)) {
-        if (resourceDefType instanceof String) {
-          boolean isNested =
-              checkIfResourceGroupTypeIsNested(filename, resourceName, (String) resourceDefType,
-                  globalContext);
-          if (isNested) {
-            resourceDef = new Resource();
-            resourceDef.setType((String) resourceDefType);
-            //noinspection unchecked
-            resourceDef.setProperties((Map<String, Object>) resourceDefValueMap.get("properties"));
-          }
-        } else {
-          globalContext.addMessage(filename, ErrorLevel.WARNING, ErrorMessagesFormatBuilder
-              .getErrorWithParameters(Messages.INVALID_RESOURCE_GROUP_TYPE.getErrorMessage(),
-                  resourceName, resourceDefType.toString()));
-        }
-      } else {
-        globalContext.addMessage(filename, ErrorLevel.WARNING, ErrorMessagesFormatBuilder
-            .getErrorWithParameters(Messages.INVALID_RESOURCE_TYPE.getErrorMessage(), "null",
-                resourceName));
-      }
-
-    }
-    return resourceDef;
-  }
-
-
-  /**
-   * Check if resource group type is nested boolean.
-   *
-   * @param filename        the filename
-   * @param resourceName    the resource name
-   * @param resourceDefType the resource def type
-   * @param globalContext   the global context
-   * @return the boolean
-   */
-  public static boolean checkIfResourceGroupTypeIsNested(String filename, String resourceName,
-                                                         String resourceDefType,
-                                                         GlobalValidationContext globalContext) {
-    if (!HeatStructureUtil.isNestedResource(resourceDefType)) {
-      globalContext.addMessage(filename, ErrorLevel.WARNING, ErrorMessagesFormatBuilder
-          .getErrorWithParameters(Messages.INVALID_RESOURCE_GROUP_TYPE.getErrorMessage(),
-              resourceName, resourceDefType));
-      return false;
-    }
-    return true;
-  }
-
-  /**
-   * Gets artifact files.
-   *
-   * @param filename      the filename
-   * @param hot           the hot
-   * @param globalContext the global context
-   * @return the artifact files
-   */
-  public static Set<String> getArtifactFiles(String filename, HeatOrchestrationTemplate hot,
-                                             GlobalValidationContext globalContext) {
-    Set<String> artifactSet = new HashSet<>();
-    Collection<Resource> resourcesValue =
-        hot.getResources() == null ? null : hot.getResources().values();
-    if (CollectionUtils.isNotEmpty(resourcesValue)) {
-      for (Resource resource : resourcesValue) {
-        Collection<Object> properties =
-            resource.getProperties() == null ? null : resource.getProperties().values();
-        if (CollectionUtils.isNotEmpty(properties)) {
-          for (Object property : properties) {
-            Set<String> artifactNames =
-                getReferencedValuesByFunctionName(filename, "get_file", property, globalContext);
-            artifactSet.addAll(artifactNames);
-          }
-        }
-      }
-    }
-    return artifactSet;
-  }
-
-  /**
    * Gets referenced values by function name.
    *
    * @param filename      the filename
@@ -194,18 +49,19 @@ public class HeatStructureUtil {
    * @return the referenced values by function name
    */
   public static Set<String> getReferencedValuesByFunctionName(String filename, String functionName,
-                                               Object propertyValue,
-                                               GlobalValidationContext globalContext) {
+                                                              Object propertyValue,
+                                                              GlobalValidationContext globalContext) {
     Set<String> valuesNames = new HashSet<>();
     if (propertyValue instanceof Map) {
       Map<String, Object> currPropertyMap = (Map<String, Object>) propertyValue;
       if (currPropertyMap.containsKey(functionName)) {
         Object getFunctionValue = currPropertyMap.get(functionName);
-        if (!(getFunctionValue instanceof String)
-            && functionName.equals(ResourceReferenceFunctions.GET_RESOURCE.getFunction())) {
+        if (!(getFunctionValue instanceof String) && functionName.equals(
+            ResourceReferenceFunctions.GET_RESOURCE.getFunction())) {
           globalContext.addMessage(filename, ErrorLevel.ERROR, ErrorMessagesFormatBuilder
-              .getErrorWithParameters(Messages.INVALID_GET_RESOURCE_SYNTAX.getErrorMessage(),
-                  getFunctionValue == null ? "null" : getFunctionValue.toString()));
+                  .getErrorWithParameters(Messages.INVALID_GET_RESOURCE_SYNTAX.getErrorMessage(),
+                      getFunctionValue == null ? "null" : getFunctionValue.toString()),
+              LoggerTragetServiceName.VALIDATE_GET_RESOURCE, "Invalid get_resource syntax");
           return valuesNames;
         }
         if (getFunctionValue instanceof String) {
@@ -238,9 +94,9 @@ public class HeatStructureUtil {
       }
     } else if (propertyValue instanceof List) {
       List propertyValueArray = (List) propertyValue;
-      for (Object propertyValueArrayInstance : propertyValueArray) {
+      for (Object propValue : propertyValueArray) {
         valuesNames.addAll(
-            getReferencedValuesByFunctionName(filename, functionName, propertyValueArrayInstance,
+            getReferencedValuesByFunctionName(filename, functionName, propValue,
                 globalContext));
       }
     }
@@ -249,13 +105,11 @@ public class HeatStructureUtil {
   }
 
 
-  /**
-   * Is nested resource boolean.
-   *
-   * @param resourceType the resource type
-   * @return the boolean
-   */
   public static boolean isNestedResource(String resourceType) {
+    if(Objects.isNull(resourceType)){
+      return false;
+    }
     return resourceType.endsWith(".yaml") || resourceType.endsWith(".yml");
   }
+
 }
diff --git a/openecomp-be/lib/openecomp-heat-lib/src/main/java/org/openecomp/sdc/heat/services/manifest/ManifestUtil.java b/openecomp-be/lib/openecomp-heat-lib/src/main/java/org/openecomp/sdc/heat/services/manifest/ManifestUtil.java
index 09378cebf4..af2a71d42c 100644
--- a/openecomp-be/lib/openecomp-heat-lib/src/main/java/org/openecomp/sdc/heat/services/manifest/ManifestUtil.java
+++ b/openecomp-be/lib/openecomp-heat-lib/src/main/java/org/openecomp/sdc/heat/services/manifest/ManifestUtil.java
@@ -20,6 +20,7 @@
 
 package org.openecomp.sdc.heat.services.manifest;
 
+
 import org.apache.commons.collections4.CollectionUtils;
 import org.openecomp.sdc.heat.datatypes.manifest.FileData;
 import org.openecomp.sdc.heat.datatypes.manifest.ManifestContent;
@@ -31,9 +32,6 @@ import java.util.Map;
 import java.util.Set;
 
 
-/**
- * The type Manifest util.
- */
 public class ManifestUtil {
 
 
@@ -59,6 +57,7 @@ public class ManifestUtil {
    */
   public static void scanFileEnvMap(FileData fileData, List<FileData> fileDataList,
                                     Map<String, FileData> fileEnvMap) {
+
     if (CollectionUtils.isEmpty(fileDataList)) {
       return;
     }
@@ -165,6 +164,7 @@ public class ManifestUtil {
         baseFiles.add(fileData.getFile());
       }
     }
+
     if (data == null) {
       return;
     }
diff --git a/openecomp-be/lib/openecomp-heat-lib/src/main/java/org/openecomp/sdc/heat/services/tree/HeatTreeManager.java b/openecomp-be/lib/openecomp-heat-lib/src/main/java/org/openecomp/sdc/heat/services/tree/HeatTreeManager.java
index 71c532dbd3..02278acf3f 100644
--- a/openecomp-be/lib/openecomp-heat-lib/src/main/java/org/openecomp/sdc/heat/services/tree/HeatTreeManager.java
+++ b/openecomp-be/lib/openecomp-heat-lib/src/main/java/org/openecomp/sdc/heat/services/tree/HeatTreeManager.java
@@ -25,31 +25,28 @@ import org.openecomp.core.utilities.file.FileUtils;
 import org.openecomp.core.utilities.json.JsonUtil;
 import org.openecomp.core.utilities.yaml.YamlUtil;
 import org.openecomp.core.validation.types.GlobalValidationContext;
-import org.openecomp.sdc.common.utils.AsdcCommon;
+import org.openecomp.sdc.common.utils.SdcCommon;
 import org.openecomp.sdc.datatypes.error.ErrorMessage;
 import org.openecomp.sdc.heat.datatypes.manifest.FileData;
 import org.openecomp.sdc.heat.datatypes.manifest.ManifestContent;
 import org.openecomp.sdc.heat.datatypes.model.HeatOrchestrationTemplate;
 import org.openecomp.sdc.heat.datatypes.structure.Artifact;
 import org.openecomp.sdc.heat.datatypes.structure.HeatStructureTree;
-import org.openecomp.sdc.heat.services.HeatStructureUtil;
-
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+import org.openecomp.sdc.logging.api.Logger;
+import org.openecomp.sdc.logging.api.LoggerFactory;
 
 import java.io.InputStream;
 import java.util.HashMap;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
+import java.util.Objects;
 import java.util.Set;
 
-/**
- * The type Heat tree manager.
- */
+
 public class HeatTreeManager {
 
-  private static Logger logger = LoggerFactory.getLogger(HeatTreeManager.class);
+  private static Logger logger = (Logger) LoggerFactory.getLogger(HeatTreeManager.class);
 
 
   private FileContentHandler heatContentMap = new FileContentHandler();
@@ -70,7 +67,7 @@ public class HeatTreeManager {
    * @param content  the content
    */
   public void addFile(String fileName, InputStream content) {
-    if (fileName.equals(AsdcCommon.MANIFEST_NAME)) {
+    if (fileName.equals(SdcCommon.MANIFEST_NAME)) {
       manifest = FileUtils.toByteArray(content);
 
     } else {
@@ -93,18 +90,16 @@ public class HeatTreeManager {
     addNonNestedVolumeNetworkToTree(networkFileToParent, nestedFiles.keySet(), false);
     handleOrphans();
 
-    tree = fileTreeRef.get(AsdcCommon.PARENT);
+    tree = fileTreeRef.get(SdcCommon.PARENT);
   }
 
   private void handleOrphans() {
-    tree = fileTreeRef.get(AsdcCommon.PARENT);
+    tree = fileTreeRef.get(SdcCommon.PARENT);
     candidateOrphanArtifacts.entrySet().stream()
         .forEach(entry -> tree.addArtifactToArtifactList(entry.getValue()));
     nestedFiles
-        .values()
-        .stream()
-        .filter(heatStructureTree -> tree.getHEAT().contains(heatStructureTree))
-        .forEach(heatStructureTree -> tree.getHEAT().remove(heatStructureTree));
+        .values().stream().filter(heatStructureTree -> tree.getHeat().contains(heatStructureTree))
+        .forEach(heatStructureTree -> tree.getHeat().remove(heatStructureTree));
 
     heatContentMap.getFileList().stream().filter(fileName -> !manifestFiles.contains(fileName))
         .forEach(fileName -> addTreeOther(fileName));
@@ -132,14 +127,15 @@ public class HeatTreeManager {
       HeatOrchestrationTemplate hot =
           new YamlUtil().yamlToObject(fileContent, HeatOrchestrationTemplate.class);
 
-      Set<String> nestedSet = HeatStructureUtil.getNestedFiles(filename, hot, globalContext);
+      Set<String> nestedSet = HeatTreeManagerUtil.getNestedFiles(filename, hot, globalContext);
       addHeatNestedFiles(fileHeatStructureTree, nestedSet);
 
-      Set<String> artifactSet = HeatStructureUtil.getArtifactFiles(filename, hot, globalContext);
+      Set<String> artifactSet = HeatTreeManagerUtil.getArtifactFiles(filename, hot, globalContext);
       addHeatArtifactFiles(fileHeatStructureTree, artifactSet);
     } catch (Exception ignore) { /* invalid yaml no need to process reference */ }
   }
 
+
   private void addHeatArtifactFiles(HeatStructureTree fileHeatStructureTree,
                                     Set<String> artifactSet) {
     Artifact artifact;
@@ -203,7 +199,7 @@ public class HeatTreeManager {
     Artifact artifact;
     if (parent == null) {
       parentHeatStructureTree = new HeatStructureTree();
-      fileTreeRef.put(AsdcCommon.PARENT, parentHeatStructureTree);
+      fileTreeRef.put(SdcCommon.PARENT, parentHeatStructureTree);
     } else {
       parentHeatStructureTree = fileTreeRef.get(parent);
     }
@@ -213,7 +209,7 @@ public class HeatTreeManager {
       manifestFiles.add(fileName);
       type = fileData.getType();
 
-      if (FileData.Type.HEAT.equals(type)) {
+      if (Objects.nonNull(type) && FileData.Type.HEAT.equals(type)) {
         fileHeatStructureTree = fileTreeRef.get(fileName);
         if (fileHeatStructureTree == null) {
           fileHeatStructureTree = new HeatStructureTree();
@@ -223,7 +219,7 @@ public class HeatTreeManager {
         fileHeatStructureTree.setBase(fileData.getBase());
         fileHeatStructureTree.setType(type);
         handleHeatContentReference(null, fileHeatStructureTree, null);
-        parentHeatStructureTree.addHeatToHEATList(fileHeatStructureTree);
+        parentHeatStructureTree.addHeatToHeatList(fileHeatStructureTree);
         if (fileData.getData() != null) {
           scanTree(fileName, fileData.getData());
         }
@@ -237,14 +233,14 @@ public class HeatTreeManager {
         if (type == null) {
           parentHeatStructureTree.addOtherToOtherList(childHeatStructureTree);
         } else if (FileData.Type.HEAT_NET.equals(type)) {
-          //  parentHeatStructureTree.addNetworkToNetworkList(childHeatStructureTree);
+          //parentHeatStructureTree.addNetworkToNetworkList(childHeatStructureTree);
           networkFileToParent.put(childHeatStructureTree, parentHeatStructureTree);
           if (fileData.getData() != null) {
             scanTree(fileName, fileData.getData());
           }
 
         } else if (FileData.Type.HEAT_VOL.equals(type)) {
-          // parentHeatStructureTree.addVolumeFileToVolumeList(childHeatStructureTree);
+          //parentHeatStructureTree.addVolumeFileToVolumeList(childHeatStructureTree);
           volumeFileToParent.put(childHeatStructureTree, parentHeatStructureTree);
           if (fileData.getData() != null) {
             scanTree(fileName, fileData.getData());
@@ -287,11 +283,6 @@ public class HeatTreeManager {
   }
 
 
-  /**
-   * Gets tree.
-   *
-   * @return the tree
-   */
   public HeatStructureTree getTree() {
     return tree;
   }
diff --git a/openecomp-be/lib/openecomp-heat-lib/src/main/java/org/openecomp/sdc/heat/services/tree/HeatTreeManagerUtil.java b/openecomp-be/lib/openecomp-heat-lib/src/main/java/org/openecomp/sdc/heat/services/tree/HeatTreeManagerUtil.java
index dac7cdbbcb..b8df50b87c 100644
--- a/openecomp-be/lib/openecomp-heat-lib/src/main/java/org/openecomp/sdc/heat/services/tree/HeatTreeManagerUtil.java
+++ b/openecomp-be/lib/openecomp-heat-lib/src/main/java/org/openecomp/sdc/heat/services/tree/HeatTreeManagerUtil.java
@@ -20,12 +20,31 @@
 
 package org.openecomp.sdc.heat.services.tree;
 
+import org.apache.commons.collections4.CollectionUtils;
+import org.apache.commons.collections4.MapUtils;
 import org.openecomp.core.utilities.file.FileContentHandler;
+import org.openecomp.core.validation.errors.ErrorMessagesFormatBuilder;
+import org.openecomp.core.validation.types.GlobalValidationContext;
+import org.openecomp.sdc.common.errors.Messages;
+import org.openecomp.sdc.datatypes.error.ErrorLevel;
+import org.openecomp.sdc.heat.datatypes.model.HeatOrchestrationTemplate;
+import org.openecomp.sdc.heat.datatypes.model.HeatResourcesTypes;
+import org.openecomp.sdc.heat.datatypes.model.PropertiesMapKeyTypes;
+import org.openecomp.sdc.heat.datatypes.model.Resource;
+import org.openecomp.sdc.heat.services.HeatStructureUtil;
+import org.openecomp.sdc.logging.context.impl.MdcDataDebugMessage;
+import org.openecomp.sdc.logging.types.LoggerTragetServiceName;
+
+import java.util.Collection;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Objects;
+import java.util.Set;
 
-/**
- * The type Heat tree manager util.
- */
 public class HeatTreeManagerUtil {
+
+  private static MdcDataDebugMessage mdcDataDebugMessage = new MdcDataDebugMessage();
+
   /**
    * Init heat tree manager heat tree manager.
    *
@@ -40,4 +59,165 @@ public class HeatTreeManagerUtil {
 
     return heatTreeManager;
   }
+
+  /**
+   * Gets nested files.
+   *
+   * @param filename      the filename
+   * @param hot           the hot
+   * @param globalContext the global context
+   * @return the nested files
+   */
+  public static Set<String> getNestedFiles(String filename, HeatOrchestrationTemplate hot,
+                                           GlobalValidationContext globalContext) {
+
+
+    mdcDataDebugMessage.debugEntryMessage(null, null);
+
+    Set<String> nestedFileList = new HashSet<>();
+    Set<String> resourceDefNestedFiles;
+    hot.getResources().values().stream().filter(
+        resource -> (resource.getType().endsWith(".yaml") || resource.getType().endsWith(".yml")))
+        .forEach(resource -> nestedFileList.add(resource.getType()));
+
+    resourceDefNestedFiles = getResourceDefNestedFiles(filename, hot, globalContext);
+    nestedFileList.addAll(resourceDefNestedFiles);
+
+    mdcDataDebugMessage.debugExitMessage(null, null);
+    return nestedFileList;
+  }
+
+  /**
+   * Gets artifact files.
+   *
+   * @param filename      the filename
+   * @param hot           the hot
+   * @param globalContext the global context
+   * @return the artifact files
+   */
+  public static Set<String> getArtifactFiles(String filename, HeatOrchestrationTemplate hot,
+                                             GlobalValidationContext globalContext) {
+
+
+    mdcDataDebugMessage.debugEntryMessage(null, null);
+
+    Set<String> artifactSet = new HashSet<>();
+    Collection<Resource> resourcesValue =
+        hot.getResources() == null ? null : hot.getResources().values();
+    if (CollectionUtils.isNotEmpty(resourcesValue)) {
+      for (Resource resource : resourcesValue) {
+        Collection<Object> properties =
+            resource.getProperties() == null ? null : resource.getProperties().values();
+        if (CollectionUtils.isNotEmpty(properties)) {
+          for (Object property : properties) {
+            Set<String> artifactNames =
+                HeatStructureUtil.getReferencedValuesByFunctionName(filename, "get_file", property,
+                    globalContext);
+            artifactSet.addAll(artifactNames);
+          }
+        }
+      }
+    }
+
+    mdcDataDebugMessage.debugExitMessage(null, null);
+    return artifactSet;
+  }
+
+  private static Set<String> getResourceDefNestedFiles(String filename,
+                                                       HeatOrchestrationTemplate hot,
+                                                       GlobalValidationContext globalContext) {
+
+
+    mdcDataDebugMessage.debugEntryMessage(null, null);
+
+    Set<String> resourceDefNestedFiles = new HashSet<>();
+    hot.getResources()
+        .entrySet().stream().filter(entry -> entry.getValue().getType()
+        .equals(HeatResourcesTypes.RESOURCE_GROUP_RESOURCE_TYPE.getHeatResource()))
+        .filter(entry ->
+            getResourceDef(filename, entry.getKey(), entry.getValue(), globalContext) != null
+                && HeatStructureUtil.isNestedResource(
+                getResourceDef(filename, entry.getKey(), entry.getValue(), globalContext)
+                    .getType()))
+        .forEach(entry -> resourceDefNestedFiles.add(
+            getResourceDef(filename, entry.getKey(), entry.getValue(), globalContext).getType()));
+
+    mdcDataDebugMessage.debugExitMessage(null, null);
+    return resourceDefNestedFiles;
+  }
+
+  /**
+   * Gets resource def.
+   *
+   * @param filename      the filename
+   * @param resourceName  the resource name
+   * @param resource      the resource
+   * @param globalContext the global context
+   * @return the resource def
+   */
+  @SuppressWarnings("unchecked")
+  public static Resource getResourceDef(String filename, String resourceName, Resource resource,
+                                        GlobalValidationContext globalContext) {
+
+
+    mdcDataDebugMessage.debugEntryMessage(null, null);
+
+    Resource resourceDef = null;
+    Map<String, Object> resourceDefValueMap = resource.getProperties() == null ? null
+        : (Map<String, Object>) resource.getProperties().get(
+            PropertiesMapKeyTypes.RESOURCE_DEF.getKeyMap());
+    if (MapUtils.isNotEmpty(resourceDefValueMap)) {
+      Object resourceDefType = resourceDefValueMap.get("type");
+      if (Objects.nonNull(resourceDefType)) {
+        if (resourceDefType instanceof String) {
+          boolean isNested =
+              checkIfResourceGroupTypeIsNested(filename, resourceName, (String) resourceDefType,
+                  globalContext);
+          if (isNested) {
+            resourceDef = new Resource();
+            resourceDef.setType((String) resourceDefType);
+            //noinspection unchecked
+            resourceDef.setProperties((Map<String, Object>) resourceDefValueMap.get("properties"));
+          }
+        } else {
+          globalContext.addMessage(filename, ErrorLevel.WARNING, ErrorMessagesFormatBuilder
+                  .getErrorWithParameters(Messages.INVALID_RESOURCE_GROUP_TYPE.getErrorMessage(),
+                      resourceName, resourceDefType.toString()),
+              LoggerTragetServiceName.VALIDATE_RESOURCE_GROUP_TYPE, "Invalid resource group type");
+        }
+      } else {
+        globalContext.addMessage(filename, ErrorLevel.WARNING, ErrorMessagesFormatBuilder
+                .getErrorWithParameters(Messages.INVALID_RESOURCE_TYPE.getErrorMessage(), "null",
+                    resourceName), LoggerTragetServiceName.VALIDATE_RESOURCE_GROUP_TYPE,
+            "Invalid resource type");
+      }
+
+    }
+
+    mdcDataDebugMessage.debugExitMessage(null, null);
+    return resourceDef;
+  }
+
+  /**
+   * Check if resource group type is nested boolean.
+   *
+   * @param filename        the filename
+   * @param resourceName    the resource name
+   * @param resourceDefType the resource def type
+   * @param globalContext   the global context
+   * @return the boolean
+   */
+  public static boolean checkIfResourceGroupTypeIsNested(String filename, String resourceName,
+                                                         String resourceDefType,
+                                                         GlobalValidationContext globalContext) {
+    if (!HeatStructureUtil.isNestedResource(resourceDefType)) {
+      globalContext.addMessage(filename, ErrorLevel.WARNING, ErrorMessagesFormatBuilder
+              .getErrorWithParameters(Messages.INVALID_RESOURCE_GROUP_TYPE.getErrorMessage(),
+                  resourceName, resourceDefType),
+          LoggerTragetServiceName.VALIDATE_RESOURCE_GROUP_TYPE,
+          "Invalid resource group type");
+      return false;
+    }
+    return true;
+  }
 }
diff --git a/openecomp-be/lib/openecomp-heat-lib/src/test/java/org/openecomp/sdc/heat/datatypes/model/EnvironmentTest.java b/openecomp-be/lib/openecomp-heat-lib/src/test/java/org/openecomp/sdc/heat/datatypes/model/EnvironmentTest.java
index 2c0cf0b1aa..ee2fb6cab7 100644
--- a/openecomp-be/lib/openecomp-heat-lib/src/test/java/org/openecomp/sdc/heat/datatypes/model/EnvironmentTest.java
+++ b/openecomp-be/lib/openecomp-heat-lib/src/test/java/org/openecomp/sdc/heat/datatypes/model/EnvironmentTest.java
@@ -1,7 +1,27 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
 package org.openecomp.sdc.heat.datatypes.model;
 
-import org.openecomp.core.utilities.yaml.YamlUtil;
 import org.junit.Test;
+import org.openecomp.core.utilities.yaml.YamlUtil;
 
 import java.io.InputStream;
 
@@ -35,4 +55,4 @@ public class EnvironmentTest {
       }
     }
   }
-}
\ No newline at end of file
+}
diff --git a/openecomp-be/lib/openecomp-heat-lib/src/test/java/org/openecomp/sdc/heat/datatypes/model/HeatOrchestrationTemplateTest.java b/openecomp-be/lib/openecomp-heat-lib/src/test/java/org/openecomp/sdc/heat/datatypes/model/HeatOrchestrationTemplateTest.java
index 09c83ca217..73cc6811ff 100644
--- a/openecomp-be/lib/openecomp-heat-lib/src/test/java/org/openecomp/sdc/heat/datatypes/model/HeatOrchestrationTemplateTest.java
+++ b/openecomp-be/lib/openecomp-heat-lib/src/test/java/org/openecomp/sdc/heat/datatypes/model/HeatOrchestrationTemplateTest.java
@@ -1,8 +1,28 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
 package org.openecomp.sdc.heat.datatypes.model;
 
-import org.openecomp.core.utilities.yaml.YamlUtil;
 import org.junit.Assert;
 import org.junit.Test;
+import org.openecomp.core.utilities.yaml.YamlUtil;
 
 import java.io.InputStream;
 import java.util.ArrayList;
@@ -115,8 +135,8 @@ public class HeatOrchestrationTemplateTest {
     List<Object> validValues = new ArrayList<>();
     validValues.add("abc");
     validValues.add("def");
-    constraint.setValid_values(validValues);
+    constraint.setValidValues(validValues);
     constraints.add(constraint);
     return constraints;
   }
-}
\ No newline at end of file
+}