Merge of new rebased code

Change-Id: I9b8d1f69eb3e0af1935ed8304fea4bf54c1aac47
Signed-off-by: Patrick Brady <pb071s@att.com>

16 files changed, 693 insertions, 23 deletions

diff --git a/appc-common/src/main/java/org/openecomp/appc/Constants.java b/appc-common/src/main/java/org/openecomp/appc/Constants.java
index bd72acfcf..7ddf38d03 100644
--- a/appc-common/src/main/java/org/openecomp/appc/Constants.java
+++ b/appc-common/src/main/java/org/openecomp/appc/Constants.java
@@ -50,9 +50,15 @@ public final class Constants {
     @SuppressWarnings("nls")
     public static final String ATTRIBUTE_ERROR_MESSAGE = "error-message";
 
-    public static final String DG_OUTPUT_STATUS_MESSAGE = "output.status.message";
+    /**
+     * The name for the success message attribute to be set in the context
+     */
+    @SuppressWarnings("nls")
+    public static final String ATTRIBUTE_SUCCESS_MESSAGE = "success-message";
 
     public static final String DG_ATTRIBUTE_STATUS = "SvcLogic.status";
+    public static final String DG_OUTPUT_STATUS_CODE = "output.status.code";
+    public static final String DG_OUTPUT_STATUS_MESSAGE = "output.status.message";
 
     /**
      * The property that defines the name of the DG service logic to be loaded
@@ -156,20 +162,12 @@ public final class Constants {
      */
     public static final String PROPERTY_STACK_STATE_CHANGE_TIMEOUT ="org.openecomp.appc.stack.state.change.timeout" ;
 
-    /**
-     * Private default constructor prevents instantiation
-     */
-
     @SuppressWarnings("nls")
     public static final String STATUS_GETTER = "status-getter";
 
-
-
-
 	@SuppressWarnings("nls")
     public static final String VM_FUSION_STATUS_GETTER = "fusion-vm-status-getter";
 
-
 	/**
      * The name for the status vm attribute to be set in the context when executing a vmstatuscheck.
      */
@@ -177,6 +175,34 @@ public final class Constants {
     @SuppressWarnings("nls")
     public static final String STATUS_OF_VM = "status-vm";
 
+    /**
+     * Yang revision value to be used while generating YANG module
+     */
+    public static final String YANG_REVISION = "2017-03-03";
+    /**
+     * Yang revision format to be used while formatting YANG revision date
+     */
+    public static final String YANG_REVISION_FORMAT = "YYYY-MM-DD";
+
+    /**
+     * Base container for  yang that is generated to store in MD-SAL datastore
+     */
+    public static final String YANG_BASE_CONTAINER = "vnf-config-repo";
+
+    /**
+     *VNF config list for yang that is generated to store in MD-SAL datastore
+     */
+    public static final String YANG_VNF_CONFIG_LIST = "vnf-config-list";
+
+    /**
+     *Base container of VNF configuration data for yang that is generated to store in MD-SAL datastore
+     */
+    public static final String YANG_VNF_CONFIG = "vnf-config";
+
+    /**
+     * Private default constructor prevents instantiation
+     */
+
     private Constants() {
 
     }
diff --git a/appc-common/src/main/java/org/openecomp/appc/cache/CacheStrategies.java b/appc-common/src/main/java/org/openecomp/appc/cache/CacheStrategies.java
new file mode 100644
index 000000000..780dbc59b
--- /dev/null
+++ b/appc-common/src/main/java/org/openecomp/appc/cache/CacheStrategies.java
@@ -0,0 +1,27 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * openECOMP : APP-C
+ * ================================================================================
+ * 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.appc.cache;
+
+
+public enum CacheStrategies {
+    LRU;
+}
diff --git a/appc-common/src/main/java/org/openecomp/appc/cache/CacheStrategy.java b/appc-common/src/main/java/org/openecomp/appc/cache/CacheStrategy.java
new file mode 100644
index 000000000..c269ad231
--- /dev/null
+++ b/appc-common/src/main/java/org/openecomp/appc/cache/CacheStrategy.java
@@ -0,0 +1,28 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * openECOMP : APP-C
+ * ================================================================================
+ * 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.appc.cache;
+
+
+public interface CacheStrategy <K,V>{
+    V getObject(K key);
+    void putObject(K key,V value);
+}
diff --git a/appc-common/src/main/java/org/openecomp/appc/cache/MetadataCache.java b/appc-common/src/main/java/org/openecomp/appc/cache/MetadataCache.java
new file mode 100644
index 000000000..db5915bcf
--- /dev/null
+++ b/appc-common/src/main/java/org/openecomp/appc/cache/MetadataCache.java
@@ -0,0 +1,28 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * openECOMP : APP-C
+ * ================================================================================
+ * 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.appc.cache;
+
+
+public interface MetadataCache <K,V>{
+    V getObject(K key);
+    void putObject(K key,V value);
+}
diff --git a/appc-common/src/main/java/org/openecomp/appc/cache/impl/LRUCache.java b/appc-common/src/main/java/org/openecomp/appc/cache/impl/LRUCache.java
new file mode 100644
index 000000000..0e8ba7308
--- /dev/null
+++ b/appc-common/src/main/java/org/openecomp/appc/cache/impl/LRUCache.java
@@ -0,0 +1,51 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * openECOMP : APP-C
+ * ================================================================================
+ * 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.appc.cache.impl;
+
+import java.util.LinkedHashMap;
+import java.util.Map;
+
+import org.openecomp.appc.cache.CacheStrategy;
+
+public class LRUCache<K,V> implements CacheStrategy<K,V> {
+
+    private Map<K,V> map;
+
+    LRUCache(final Integer capacity){
+        map = new LinkedHashMap<K,V>(capacity, 0.75F, true){
+            @Override
+            protected boolean removeEldestEntry(Map.Entry<K, V> eldest){
+                return size() > capacity;
+            }
+        };
+    }
+
+    @Override
+    public V getObject(K key) {
+        return map.get(key);
+    }
+
+    @Override
+    public void putObject(K key, V value) {
+        map.put(key,value);
+    }
+}
diff --git a/appc-common/src/main/java/org/openecomp/appc/cache/impl/MetadataCacheFactory.java b/appc-common/src/main/java/org/openecomp/appc/cache/impl/MetadataCacheFactory.java
new file mode 100644
index 000000000..358b3bfd5
--- /dev/null
+++ b/appc-common/src/main/java/org/openecomp/appc/cache/impl/MetadataCacheFactory.java
@@ -0,0 +1,50 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * openECOMP : APP-C
+ * ================================================================================
+ * 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.appc.cache.impl;
+
+import org.openecomp.appc.cache.CacheStrategies;
+import org.openecomp.appc.cache.CacheStrategy;
+import org.openecomp.appc.cache.MetadataCache;
+
+public class MetadataCacheFactory {
+
+    private static class ReferenceHolder{
+        private static final MetadataCacheFactory FACTORY = new MetadataCacheFactory();
+    }
+    private MetadataCacheFactory(){
+
+    }
+
+    public static MetadataCacheFactory getInstance(){
+        return ReferenceHolder.FACTORY;
+    }
+
+    public MetadataCache getMetadataCache(){
+        return new MetadataCacheImpl();
+    }
+    public MetadataCache getMetadataCache(CacheStrategies cacheStrategy){
+        return new MetadataCacheImpl(cacheStrategy);
+    }
+
+
+
+}
diff --git a/appc-common/src/main/java/org/openecomp/appc/cache/impl/MetadataCacheImpl.java b/appc-common/src/main/java/org/openecomp/appc/cache/impl/MetadataCacheImpl.java
new file mode 100644
index 000000000..e54de8781
--- /dev/null
+++ b/appc-common/src/main/java/org/openecomp/appc/cache/impl/MetadataCacheImpl.java
@@ -0,0 +1,58 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * openECOMP : APP-C
+ * ================================================================================
+ * 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.appc.cache.impl;
+
+import org.openecomp.appc.cache.CacheStrategies;
+import org.openecomp.appc.cache.CacheStrategy;
+import org.openecomp.appc.cache.MetadataCache;
+
+
+public class MetadataCacheImpl<K,V> implements MetadataCache<K,V> {
+
+    private CacheStrategy strategy;
+
+    MetadataCacheImpl(){
+        this(CacheStrategies.LRU);
+    }
+
+    MetadataCacheImpl(CacheStrategies strategy){
+        this.strategy = initializeStrategy(strategy);
+    }
+
+    private CacheStrategy initializeStrategy(CacheStrategies strategy) {
+        switch (strategy){
+            case LRU:
+                return new LRUCache<>(50);
+        }
+        return null;
+    }
+
+    @Override
+    public V getObject(K key) {
+        return (V)strategy.getObject(key);
+    }
+
+    @Override
+    public void putObject(K key, V value) {
+        strategy.putObject(key,value);
+    }
+}
diff --git a/appc-common/src/main/java/org/openecomp/appc/configuration/Configuration.java b/appc-common/src/main/java/org/openecomp/appc/configuration/Configuration.java
index f64129011..d93b7588e 100644
--- a/appc-common/src/main/java/org/openecomp/appc/configuration/Configuration.java
+++ b/appc-common/src/main/java/org/openecomp/appc/configuration/Configuration.java
@@ -37,10 +37,10 @@ import org.slf4j.Logger;
  */
 public interface Configuration {
 
-    String PROPERTY_BOOTSTRAP_FILE_NAME = "org.openecomp.appc.bootstrap.file"; 
+    String PROPERTY_BOOTSTRAP_FILE_NAME = "org_openecomp_appc_bootstrap_file"; //
     String DEFAULT_BOOTSTRAP_FILE_NAME = "appc.properties"; 
-    String PROPERTY_BOOTSTRAP_FILE_PATH = "org.openecomp.appc.bootstrap.path"; 
-    String DEFAULT_BOOTSTRAP_FILE_PATH = "${user.home},etc,../etc";
+    String PROPERTY_BOOTSTRAP_FILE_PATH = "org_openecomp_appc_bootstrap_path"; //
+    String DEFAULT_BOOTSTRAP_FILE_PATH = "/opt/openecomp/appc/data/properties,${user.home},etc,../etc";
     String PROPERTY_RESOURCE_BUNDLES = "org.openecomp.appc.resources"; 
     String DEFAULT_RESOURCE_BUNDLES = "org/openecomp/appc/i18n/MessageResources";
 
diff --git a/appc-common/src/main/java/org/openecomp/appc/configuration/ConfigurationFactory.java b/appc-common/src/main/java/org/openecomp/appc/configuration/ConfigurationFactory.java
index bbfd90de1..17a356745 100644
--- a/appc-common/src/main/java/org/openecomp/appc/configuration/ConfigurationFactory.java
+++ b/appc-common/src/main/java/org/openecomp/appc/configuration/ConfigurationFactory.java
@@ -113,7 +113,7 @@ public final class ConfigurationFactory {
     /**
      * The default properties resource to be loaded
      */
-    private static final String DEFAULT_PROPERTIES = "org/openecomp/appc/default.properties";
+    private static final String DEFAULT_PROPERTIES = "/opt/openecomp/appc/data/properties/appc.properties";
 
     /**
      * This collection allows for special configurations to be created and maintained, organized by some identification
diff --git a/appc-common/src/main/java/org/openecomp/appc/configuration/package.html b/appc-common/src/main/java/org/openecomp/appc/configuration/package.html
index 4460a9e5c..5991f91b5 100644
--- a/appc-common/src/main/java/org/openecomp/appc/configuration/package.html
+++ b/appc-common/src/main/java/org/openecomp/appc/configuration/package.html
@@ -168,3 +168,4 @@
   </p>
 </body>
 </html>
+>>>>>>> app-controller/master:appc-common/src/main/java/org/openecomp/appc/configuration/package.html
diff --git a/appc-common/src/main/java/org/openecomp/appc/i18n/Msg.java b/appc-common/src/main/java/org/openecomp/appc/i18n/Msg.java
index 3e4237258..21f088323 100644
--- a/appc-common/src/main/java/org/openecomp/appc/i18n/Msg.java
+++ b/appc-common/src/main/java/org/openecomp/appc/i18n/Msg.java
@@ -254,6 +254,11 @@ public enum Msg implements EELFResolvableErrorEnum {
     SNAPSHOTING_SERVER,
 
     /**
+     * {0} IAAS Adapter look for server requested
+     */
+    LOOKING_SERVER_UP,
+
+    /**
      * {0} IAAS Adapter cannot perform requested service, VM url '{1}' is invalid
      */
     INVALID_SELF_LINK_URL,
@@ -320,6 +325,11 @@ public enum Msg implements EELFResolvableErrorEnum {
     UNPAUSE_SERVER,
 
     /**
+     * Server {0} is being rebuilt...
+     */
+    REBUILD_SERVER,
+
+    /**
      * Connection to provider {0} at identity {1} using tenant name {2} (id {3}) failed, reason={4}, retrying in {5}
      * seconds, attempt {6} of {7}.
      */
@@ -336,6 +346,11 @@ public enum Msg implements EELFResolvableErrorEnum {
     STOPPING_SERVER,
 
     /**
+     * {0} IAAS Adapter start server requested
+     */
+    STARTING_SERVER,
+
+    /**
      * Server {0} (id {1}) failed to rebuild, reason {2}
      */
     REBUILD_SERVER_FAILED,
@@ -391,6 +406,11 @@ public enum Msg implements EELFResolvableErrorEnum {
      * Server {0} (id {1}) failed to evacuate, reason {2}
      */
     EVACUATE_SERVER_FAILED,
+    
+    /**
+     * Server {0} evacuate from host {1} to host {2} failed during the rebuild on host {2}, reason {3}
+     */
+    EVACUATE_SERVER_REBUILD_FAILED,
 
     /**
      * APP-C instance is too busy
@@ -465,6 +485,11 @@ public enum Msg implements EELFResolvableErrorEnum {
     AAI_DELETE_FAILED,
 
     /**
+     * APP-C is unable to query AAI for VNF_ID {0}
+     */
+    AAI_QUERY_FAILED,
+
+    /**
      * VNF {0} is configured
      */
     VNF_CONFIGURED,
@@ -495,6 +520,21 @@ public enum Msg implements EELFResolvableErrorEnum {
     VNF_TEST_FAILED,
 
     /**
+     * VNF {0} test failed for reason {1}
+     */
+    VNF_NOT_FOUND,
+
+    /**
+     * VNF {0} Healthcheck operation failed for reason {1}
+     */
+    VNF_HEALTHCECK_FAILED,
+
+    /**
+     * VM {0} Healthcheck operation failed for reason {1}
+     */
+    VM_HEALTHCECK_FAILED,
+
+    /**
      * Server {0} (id {1}) failed to stop during {2} phase, reason {3}
      */
     STOP_SERVER_FAILED,
@@ -568,7 +608,7 @@ public enum Msg implements EELFResolvableErrorEnum {
     CLOSE_CONTEXT_FAILED,
 
     /**
-     * Stack {0} is being snapshoted...
+     * {0} IAAS Adapter snapshoting stack
      */
     SNAPSHOTING_STACK,
 
@@ -578,7 +618,7 @@ public enum Msg implements EELFResolvableErrorEnum {
     STACK_SNAPSHOTED,
 
     /**
-     * Stack {0} is being restored to snapshot {1}...
+     * {0} IAAS Adapter restoring stack
      */
     RESTORING_STACK,
 
@@ -588,6 +628,11 @@ public enum Msg implements EELFResolvableErrorEnum {
     STACK_RESTORED,
 
     /**
+     * {0} IAAS Adapter checking server
+     */
+    CHECKING_SERVER,
+
+    /**
      * Parameter {0} is missing in svc request of {1}.
      */
     MISSING_PARAMETER_IN_REQUEST,
@@ -601,8 +646,128 @@ public enum Msg implements EELFResolvableErrorEnum {
      * Operation '{0}' for VNF type '{1}' from Source '{2}' with RequestID '{3}' on '{4}' with action '{5}'
      * ended in {6}ms with result '{7}'
      */
-    APPC_METRIC_MSG;
+    APPC_METRIC_MSG,
+
+    /**
+     * Parsing failied for{0}
+     */
+    INPUT_PAYLOAD_PARSING_FAILED,
+
+    /**
+     * Error occurred for due to {0}
+     */
+    APPC_EXCEPTION,
+
+    /**
+     * SSH Data Exception occurred due to {0}
+     */
+    SSH_DATA_EXCEPTION,
+
+    /**
+     * Json processing exception occurred due to {0}
+     */
+    JSON_PROCESSING_EXCEPTION,
+
+   /**
+     * Operation {0} succeed for {1}
+     */
+    SUCCESS_EVENT_MESSAGE,
+
+    /**
+     * Dependency model not found for VNF type {0} due to {1}
+     */
+    DEPENDENCY_MODEL_NOT_FOUND,
+
+    /**
+     * Invalid Dependency model for VNF Type {0} due to {1}
+     */
+    INVALID_DEPENDENCY_MODEL,
+
+    /**
+     * Failed to retrieve VNFC DG
+     */
+    FAILURE_RETRIEVE_VNFC_DG,
+
+    /**
+     * Network check for Server {0} failed for Port {1}
+     *
+     */
+    SERVER_NETWORK_ERROR,
+
+    /**
+     * Hypervisor check for Server {0} failed. Status is DOWN or UNKNOWN
+     *
+     */
+    HYPERVISOR_DOWN_ERROR,
+
+    /**
+     * Hypervisor Network check for Server {0} failed. Not reachable by APPC
+     *
+     */
+    HYPERVISOR_NETWORK_ERROR,
+
+    /**
+     * Restart application operation failed on server : {0}, reason {1}
+     */
+    APPLICATION_RESTART_FAILED,
+
+    /**
+     * Start application operation failed on server : {0}, reason {1}
+     */
+    APPLICATION_START_FAILED,
+
+    /**
+     * Start application operation failed on server : {0}, reason {1}
+     */
+    APPLICATION_STOP_FAILED,
+
+    /**
+     * Application on server {0} is being restarted...
+     */
+    RESTART_APPLICATION,
+
+    /**
+     * Application on server {0} is being started...
+     */
+    START_APPLICATION,
+
+    /**
+     * Application on server {0} is being started...
+     */
+    STOP_APPLICATION,
+
+    /**
+     * APPC LCM operations are disabled
+     */
+    LCM_OPERATIONS_DISABLED,
+
+    /**
+     * Application {0} received exception {1} while attempting to execute oam operation {2}, exception message = {3}|\
+     */
+    OAM_OPERATION_EXCEPTION,
+
+    /**
+     *   Application {0} is stopping... Waiting for  {1} LCM request to complete
+     */
+    OAM_OPERATION_STOPPING,
+
+    /**
+     * Application {0} is stopped
+     */
+    OAM_OPERATION_STOPPED,
+
+
+    /**
+     * Application {0} is started
+     */
+    OAM_OPERATION_STARTING,
+
+    /**
+     * Application {0} is started
+     */
+    OAM_OPERATION_STARTED,
 
+    ;
     /**
      * Static initializer to ensure the resource bundles for this class are loaded...
      */
diff --git a/appc-common/src/main/java/org/openecomp/appc/logging/LoggingConstants.java b/appc-common/src/main/java/org/openecomp/appc/logging/LoggingConstants.java
index dcc797138..2a600978f 100644
--- a/appc-common/src/main/java/org/openecomp/appc/logging/LoggingConstants.java
+++ b/appc-common/src/main/java/org/openecomp/appc/logging/LoggingConstants.java
@@ -51,6 +51,7 @@ public class LoggingConstants {
         public static final String AAI = "A&AI";
         public static final String DB = "DataBase";
         public static final String APPC_PROVIDER = "APPC Provider";
+        public static final String APPC_OAM_PROVIDER = "APPC OAM Provider";
         public static final String STATE_MACHINE = "StateMachine";
         public static final String WORKFLOW_MANAGER = "WorkflowManager";
         public static final String REQUEST_VALIDATOR = "RequestValidator";
diff --git a/appc-common/src/main/java/org/openecomp/appc/logging/LoggingUtils.java b/appc-common/src/main/java/org/openecomp/appc/logging/LoggingUtils.java
index c186a4afa..6ff192b20 100644
--- a/appc-common/src/main/java/org/openecomp/appc/logging/LoggingUtils.java
+++ b/appc-common/src/main/java/org/openecomp/appc/logging/LoggingUtils.java
@@ -21,6 +21,13 @@
 
 package org.openecomp.appc.logging;
 
+import org.openecomp.appc.i18n.Msg;
+import com.att.eelf.configuration.EELFLogger;
+import com.att.eelf.configuration.EELFManager;
+import com.att.eelf.i18n.EELFResolvableErrorEnum;
+import com.att.eelf.i18n.EELFResourceManager;
+import org.slf4j.MDC;
+
 import static com.att.eelf.configuration.Configuration.MDC_KEY_REQUEST_ID;
 import static com.att.eelf.configuration.Configuration.MDC_SERVICE_NAME;
 
@@ -31,13 +38,6 @@ import java.time.temporal.ChronoUnit;
 import java.util.Date;
 import java.util.TimeZone;
 
-import org.openecomp.appc.i18n.Msg;
-import org.slf4j.MDC;
-
-import com.att.eelf.configuration.EELFLogger;
-import com.att.eelf.configuration.EELFManager;
-import com.att.eelf.i18n.EELFResourceManager;
-
 
 
 public class LoggingUtils {
@@ -77,6 +77,20 @@ public class LoggingUtils {
         cleanAuditErrorContext();
     }
 
+    public static void auditInfo(Instant beginTimeStamp, Instant endTimeStamp, String code, String responseDescription, String className,EELFResolvableErrorEnum resourceId, String... arguments) {
+        populateAuditLogContext(beginTimeStamp, endTimeStamp, code, responseDescription, className);
+        auditLogger.info(resourceId,arguments);
+        cleanAuditErrorContext();
+    }
+
+    public static void auditWarn(Instant beginTimeStamp, Instant endTimeStamp, String code, String responseDescription, String className,EELFResolvableErrorEnum resourceId, String... arguments) {
+        populateAuditLogContext(beginTimeStamp, endTimeStamp, code, responseDescription, className);
+        auditLogger.warn(resourceId,arguments);
+        cleanAuditErrorContext();
+    }
+
+
+
     public static void logMetricsMessage(Instant beginTimeStamp, Instant endTimeStamp, String targetEntity, String targetServiceName, String statusCode, String responseCode, String responseDescription, String className) {
         populateMetricLogContext(beginTimeStamp, endTimeStamp, targetEntity, targetServiceName, statusCode, responseCode, responseDescription, className);
         metricLogger.info(EELFResourceManager.format(Msg.APPC_METRIC_MSG,
diff --git a/appc-common/src/main/java/org/openecomp/appc/metadata/MetadataService.java b/appc-common/src/main/java/org/openecomp/appc/metadata/MetadataService.java
new file mode 100644
index 000000000..f8b54c717
--- /dev/null
+++ b/appc-common/src/main/java/org/openecomp/appc/metadata/MetadataService.java
@@ -0,0 +1,29 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * openECOMP : APP-C
+ * ================================================================================
+ * 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.appc.metadata;
+
+import org.openecomp.appc.metadata.objects.DependencyModelIdentifier;
+
+
+public interface MetadataService {
+    String getVnfModel(DependencyModelIdentifier modelIdentifier);
+}
diff --git a/appc-common/src/main/java/org/openecomp/appc/metadata/impl/MetadataServiceImpl.java b/appc-common/src/main/java/org/openecomp/appc/metadata/impl/MetadataServiceImpl.java
new file mode 100644
index 000000000..fb393aa74
--- /dev/null
+++ b/appc-common/src/main/java/org/openecomp/appc/metadata/impl/MetadataServiceImpl.java
@@ -0,0 +1,113 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * openECOMP : APP-C
+ * ================================================================================
+ * 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.appc.metadata.impl;
+
+import com.att.eelf.configuration.EELFLogger;
+import com.att.eelf.configuration.EELFManager;
+import org.openecomp.sdnc.sli.resource.dblib.DbLibService;
+
+import javax.sql.rowset.CachedRowSet;
+
+import org.openecomp.appc.cache.MetadataCache;
+import org.openecomp.appc.cache.impl.MetadataCacheFactory;
+import org.openecomp.appc.metadata.MetadataService;
+import org.openecomp.appc.metadata.objects.DependencyModelIdentifier;
+
+import java.sql.SQLException;
+import java.util.ArrayList;
+
+
+public class MetadataServiceImpl implements MetadataService {
+
+    private DbLibService dbLibService;
+
+    private static final EELFLogger logger = EELFManager.getInstance().getLogger(MetadataServiceImpl.class);
+
+    private MetadataCache<DependencyModelIdentifier,String> cache;
+
+    public MetadataServiceImpl(){
+        initialize();
+    }
+
+    private void initialize(){
+        cache = MetadataCacheFactory.getInstance().getMetadataCache();
+        // TODO initialze dbLibService
+    }
+
+    public void setDbLibService(DbLibService dbLibService) {
+        this.dbLibService = dbLibService;
+    }
+
+    @Override
+    public String getVnfModel(DependencyModelIdentifier modelIdentifier) {
+        logger.debug("Reading Vnf Model data from cache for vnfType : "+ modelIdentifier.getVnfType() +" and catalog version : " +modelIdentifier.getCatalogVersion());
+        String vnfModel = cache.getObject(modelIdentifier);
+        if(vnfModel ==null || vnfModel.length() ==0){
+            logger.debug("Vnf Model not available in cache. Reading from database.");
+            vnfModel = readVnfModel(modelIdentifier);
+            if(vnfModel !=null  && vnfModel.length()>0){
+                logger.debug("Adding retrieved Vnf Model to cache.");
+                addVnfModel(modelIdentifier,vnfModel);
+            }
+        }
+        return vnfModel;
+    }
+
+    private void addVnfModel(DependencyModelIdentifier modelIdentifier, String vnfModel) {
+        cache.putObject(modelIdentifier,vnfModel);
+    }
+
+    private String readVnfModel(DependencyModelIdentifier modelIdentifier) {
+
+        logger.debug("Reading Vnf Model data from database for RESOURCE_NAME : "+ modelIdentifier.getVnfType() +" and RESOURCE_VERSION : " +modelIdentifier.getCatalogVersion());
+        StringBuilder query = new StringBuilder();
+        String vnfModel =null;
+        query.append("SELECT ARTIFACT_CONTENT FROM sdnctl.ASDC_ARTIFACTS WHERE RESOURCE_NAME = ? ") ;
+        ArrayList<String> argList = new ArrayList<>();
+        argList.add(modelIdentifier.getVnfType());
+
+        if (modelIdentifier.getCatalogVersion()==null){
+            query.append(" ORDER BY  SUBSTRING_INDEX(RESOURCE_VERSION, '.', 1)*1  DESC , " +
+                    "SUBSTRING_INDEX(SUBSTRING_INDEX(RESOURCE_VERSION, '.', 2),'.', -1) *1 DESC , " +
+                    "SUBSTRING_INDEX(RESOURCE_VERSION, '.', -1)*1 DESC ;");
+        }else{
+            query.append("AND RESOURCE_VERSION = ? ;");
+            argList.add(modelIdentifier.getCatalogVersion());
+        }
+        try {
+            final CachedRowSet data = dbLibService.getData(query.toString(), argList, "sdnctl");
+            if (data.first()) {
+                vnfModel = data.getString("ARTIFACT_CONTENT");
+                if (vnfModel == null || vnfModel.isEmpty()) {
+                    logger.error("Invalid dependency model for vnf type : "+ modelIdentifier.getVnfType() +" and catalog version : " +modelIdentifier.getCatalogVersion());
+                    throw new RuntimeException("Invalid or Empty VNF Model");
+                }
+                logger.debug("Retrieved Vnf Model : " + vnfModel);
+            }else {
+                logger.warn("VNF Model not found in datastore for RESOURCE_NAME : "+ modelIdentifier.getVnfType() +" AND RESOURCE_VERSION : " +modelIdentifier.getCatalogVersion());
+            }
+        } catch (SQLException e) {
+            throw new RuntimeException("Database error occurred");
+        }
+        return  vnfModel;
+    }
+}
diff --git a/appc-common/src/main/java/org/openecomp/appc/metadata/objects/DependencyModelIdentifier.java b/appc-common/src/main/java/org/openecomp/appc/metadata/objects/DependencyModelIdentifier.java
new file mode 100644
index 000000000..e3c82487e
--- /dev/null
+++ b/appc-common/src/main/java/org/openecomp/appc/metadata/objects/DependencyModelIdentifier.java
@@ -0,0 +1,79 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * openECOMP : APP-C
+ * ================================================================================
+ * 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.appc.metadata.objects;
+
+
+public class DependencyModelIdentifier {
+    private String vnfType;
+    private String catalogVersion;
+
+    public DependencyModelIdentifier(String vnfType, String catalogVersion){
+        this.vnfType = vnfType;
+        this.catalogVersion = catalogVersion;
+    }
+
+    public int hashCode(){
+        final int prime = 31;
+        int result = 1;
+        result = result * prime + (this.vnfType == null ? 0 :this.vnfType.hashCode());
+        result = result * prime + (this.catalogVersion == null ? 0 :this.catalogVersion.hashCode());
+        return result;
+    }
+
+    public boolean equals(Object obj){
+        if(obj ==null)
+            return false;
+        if(!(obj instanceof DependencyModelIdentifier))
+            return false;
+
+        DependencyModelIdentifier modelIdentifier = (DependencyModelIdentifier)obj;
+        if(this.vnfType == null){
+            if(modelIdentifier.vnfType !=null)
+                return false;
+        }
+        else if(!this.vnfType.equals(modelIdentifier.vnfType))
+            return false;
+
+        if(this.catalogVersion == null){
+            if(modelIdentifier.catalogVersion !=null)
+                return false;
+        }
+        else if(!this.catalogVersion.equals(modelIdentifier.catalogVersion))
+            return false;
+
+        return true;
+    }
+
+    @Override
+    public String toString() {
+        return "DependencyModelIdentifier : vnfType = "+vnfType + " , catalogVersion = " +catalogVersion;
+    }
+
+    public String getVnfType() {
+        return vnfType;
+    }
+
+    public String getCatalogVersion() {
+        return catalogVersion;
+    }
+
+}