SOL003 Adapter Package Management - Fetch VNF Package Content

Change-Id: I86f1541098c7694b1624f9cdaf4e4c5cb91df3dd
Issue-ID: SO-2415
Signed-off-by: rope252 <gareth.roper@est.tech>

15 files changed, 743 insertions, 74 deletions

diff --git a/adapters/mso-vnfm-adapter/mso-vnfm-adapter-api/pom.xml b/adapters/mso-vnfm-adapter/mso-vnfm-adapter-api/pom.xml
index 9d9e33a524..f828a12c8b 100644
--- a/adapters/mso-vnfm-adapter/mso-vnfm-adapter-api/pom.xml
+++ b/adapters/mso-vnfm-adapter/mso-vnfm-adapter-api/pom.xml
@@ -105,5 +105,9 @@
       <artifactId>okio</artifactId>
       <version>1.13.0</version>
     </dependency>
+    <dependency>
+      <groupId>junit</groupId>
+      <artifactId>junit</artifactId>
+    </dependency>
   </dependencies>
 </project>
diff --git a/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/Sol003PackageManagementControllerExceptionHandler.java b/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/Sol003PackageManagementControllerExceptionHandler.java
new file mode 100644
index 0000000000..713bf01249
--- /dev/null
+++ b/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/Sol003PackageManagementControllerExceptionHandler.java
@@ -0,0 +1,66 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2019 Nordix Foundation.
+ * ================================================================================
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.so.adapters.vnfmadapter;
+
+import org.onap.so.adapters.vnfmadapter.extclients.etsicatalog.model.ProblemDetails;
+import org.onap.so.adapters.vnfmadapter.rest.Sol003PackageManagementController;
+import org.onap.so.adapters.vnfmadapter.rest.exceptions.EtsiCatalogManagerRequestFailureException;
+import org.onap.so.adapters.vnfmadapter.rest.exceptions.VnfPkgConflictException;
+import org.onap.so.adapters.vnfmadapter.rest.exceptions.VnfPkgNotFoundException;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.ControllerAdvice;
+import org.springframework.web.bind.annotation.ExceptionHandler;
+
+/**
+ * Exception Handler for the Package Management Controller {@link Sol003PackageManagementController Sol003Controller}
+ * 
+ * @author gareth.roper@est.tech
+ */
+@ControllerAdvice(assignableTypes = Sol003PackageManagementController.class)
+
+public class Sol003PackageManagementControllerExceptionHandler {
+
+    @ExceptionHandler(EtsiCatalogManagerRequestFailureException.class)
+    public ResponseEntity<ProblemDetails> handleEtsiCatalogManagerRequestFailureException(
+            EtsiCatalogManagerRequestFailureException etsiCatalogManagerRequestFailureException) {
+        final ProblemDetails problemDetails = new ProblemDetails();
+        problemDetails.setDetail(etsiCatalogManagerRequestFailureException.getMessage());
+        return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).body(problemDetails);
+    }
+
+    @ExceptionHandler(VnfPkgConflictException.class)
+    public ResponseEntity<ProblemDetails> handleVnfPkgConflictException(
+            VnfPkgConflictException vnfPkgConflictException) {
+        final ProblemDetails problemDetails = new ProblemDetails();
+        problemDetails.setDetail(vnfPkgConflictException.getMessage());
+        return ResponseEntity.status(HttpStatus.CONFLICT).body(problemDetails);
+    }
+
+    @ExceptionHandler(VnfPkgNotFoundException.class)
+    public ResponseEntity<ProblemDetails> handleVnfPkgNotFoundException(
+            VnfPkgNotFoundException vnfPkgNotFoundException) {
+        final ProblemDetails problemDetails = new ProblemDetails();
+        problemDetails.setDetail(vnfPkgNotFoundException.getMessage());
+        return ResponseEntity.status(HttpStatus.NOT_FOUND).body(problemDetails);
+    }
+
+}
diff --git a/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/extclients/AbstractServiceProviderConfiguration.java b/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/extclients/AbstractServiceProviderConfiguration.java
new file mode 100644
index 0000000000..8f6d853997
--- /dev/null
+++ b/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/extclients/AbstractServiceProviderConfiguration.java
@@ -0,0 +1,49 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2019 Nordix Foundation.
+ * ================================================================================
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.so.adapters.vnfmadapter.extclients;
+
+import com.google.gson.Gson;
+import java.util.Iterator;
+import org.onap.vnfmadapter.v1.JSON;
+import org.springframework.http.converter.HttpMessageConverter;
+import org.springframework.http.converter.json.GsonHttpMessageConverter;
+import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
+import org.springframework.web.client.RestTemplate;
+
+/**
+ * A base class that can be extended by classes for configuring HttpRestServiceProvider classes. Provides common methods
+ * that will be useful to some such classes.
+ *
+ * @author gareth.roper@est.tech
+ */
+public abstract class AbstractServiceProviderConfiguration {
+
+    public void setGsonMessageConverter(final RestTemplate restTemplate) {
+        final Iterator<HttpMessageConverter<?>> iterator = restTemplate.getMessageConverters().iterator();
+        while (iterator.hasNext()) {
+            if (iterator.next() instanceof MappingJackson2HttpMessageConverter) {
+                iterator.remove();
+            }
+        }
+        final Gson gson = new JSON().getGson();
+        restTemplate.getMessageConverters().add(new GsonHttpMessageConverter(gson));
+    }
+}
diff --git a/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/extclients/etsicatalog/EtsiCatalogServiceProvider.java b/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/extclients/etsicatalog/EtsiCatalogServiceProvider.java
new file mode 100644
index 0000000000..39efc8dc23
--- /dev/null
+++ b/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/extclients/etsicatalog/EtsiCatalogServiceProvider.java
@@ -0,0 +1,41 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2019 Nordix Foundation.
+ * ================================================================================
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.so.adapters.vnfmadapter.extclients.etsicatalog;
+
+import java.util.Optional;
+
+/**
+ * Provides methods for invoking REST calls to the ETSI Catalog Manager.
+ * 
+ * @author gareth.roper@est.tech
+ */
+public interface EtsiCatalogServiceProvider {
+
+    /**
+     * GET Package Content, from VNF Package.
+     * 
+     * @param vnfPkgId The ID of the VNF Package from which the "package_content" will be retrieved.
+     * @return The Package Content of a VNF Package ("vnfPkgId").
+     */
+
+    Optional<byte[]> getVnfPackageContent(final String vnfPkgId);
+
+}
diff --git a/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/extclients/etsicatalog/EtsiCatalogServiceProviderConfiguration.java b/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/extclients/etsicatalog/EtsiCatalogServiceProviderConfiguration.java
new file mode 100644
index 0000000000..6840dd388b
--- /dev/null
+++ b/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/extclients/etsicatalog/EtsiCatalogServiceProviderConfiguration.java
@@ -0,0 +1,56 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2019 Nordix Foundation.
+ * ================================================================================
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.so.adapters.vnfmadapter.extclients.etsicatalog;
+
+import static org.onap.so.client.RestTemplateConfig.CONFIGURABLE_REST_TEMPLATE;
+import org.onap.so.adapters.vnfmadapter.extclients.AbstractServiceProviderConfiguration;
+import org.onap.so.configuration.rest.BasicHttpHeadersProvider;
+import org.onap.so.configuration.rest.HttpHeadersProvider;
+import org.onap.so.rest.service.HttpRestServiceProvider;
+import org.onap.so.rest.service.HttpRestServiceProviderImpl;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Qualifier;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.web.client.RestTemplate;
+
+/**
+ * Configures the HttpRestServiceProvider to make REST calls to the ETSI Catalog Manager
+ * 
+ * @author gareth.roper@est.tech
+ */
+
+@Configuration
+public class EtsiCatalogServiceProviderConfiguration extends AbstractServiceProviderConfiguration {
+
+    @Bean(name = "etsiCatalogServiceProvider")
+    public HttpRestServiceProvider httpRestServiceProvider(
+            @Qualifier(CONFIGURABLE_REST_TEMPLATE) @Autowired final RestTemplate restTemplate) {
+        return getHttpRestServiceProvider(restTemplate, new BasicHttpHeadersProvider());
+    }
+
+    private HttpRestServiceProvider getHttpRestServiceProvider(final RestTemplate restTemplate,
+            final HttpHeadersProvider httpHeadersProvider) {
+        setGsonMessageConverter(restTemplate);
+        return new HttpRestServiceProviderImpl(restTemplate, httpHeadersProvider);
+    }
+
+}
diff --git a/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/extclients/etsicatalog/EtsiCatalogServiceProviderImpl.java b/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/extclients/etsicatalog/EtsiCatalogServiceProviderImpl.java
new file mode 100644
index 0000000000..9a59620993
--- /dev/null
+++ b/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/extclients/etsicatalog/EtsiCatalogServiceProviderImpl.java
@@ -0,0 +1,81 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2019 Nordix Foundation.
+ * ================================================================================
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.so.adapters.vnfmadapter.extclients.etsicatalog;
+
+import java.util.Optional;
+import org.onap.so.adapters.vnfmadapter.rest.exceptions.EtsiCatalogManagerRequestFailureException;
+import org.onap.so.adapters.vnfmadapter.rest.exceptions.VnfPkgConflictException;
+import org.onap.so.adapters.vnfmadapter.rest.exceptions.VnfPkgNotFoundException;
+import org.onap.so.rest.exceptions.HttpResouceNotFoundException;
+import org.onap.so.rest.exceptions.RestProcessingException;
+import org.onap.so.rest.service.HttpRestServiceProvider;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Qualifier;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.stereotype.Service;
+
+/**
+ * Provides the implementations of the REST Requests to the ETSI Catalog Manager.
+ * 
+ * @author gareth.roper@est.tech
+ */
+@Service
+public class EtsiCatalogServiceProviderImpl implements EtsiCatalogServiceProvider {
+    private static final Logger logger = LoggerFactory.getLogger(EtsiCatalogServiceProviderImpl.class);
+
+    @Qualifier
+    private final HttpRestServiceProvider httpServiceProvider;
+    private final EtsiCatalogUrlProvider etsiCatalogUrlProvider;
+
+    @Autowired
+    public EtsiCatalogServiceProviderImpl(final EtsiCatalogUrlProvider etsiCatalogUrlProvider,
+            final HttpRestServiceProvider httpServiceProvider) {
+        this.etsiCatalogUrlProvider = etsiCatalogUrlProvider;
+        this.httpServiceProvider = httpServiceProvider;
+    }
+
+    @Override
+    public Optional<byte[]> getVnfPackageContent(String vnfPkgId) throws EtsiCatalogManagerRequestFailureException {
+        try {
+            ResponseEntity<byte[]> response = httpServiceProvider
+                    .getHttpResponse(etsiCatalogUrlProvider.getVnfPackageContentUrl(vnfPkgId), byte[].class);
+            logger.info("getVnfPackageContent Request to ETSI Catalog Manager Status Code: {}",
+                    response.getStatusCodeValue());
+            if (response.getStatusCode() == HttpStatus.OK) {
+                return Optional.ofNullable(response.getBody());
+            }
+        } catch (HttpResouceNotFoundException httpResouceNotFoundException) {
+            logger.error("Caught HttpResouceNotFoundException", httpResouceNotFoundException);
+            throw new VnfPkgNotFoundException("No Vnf Package found with vnfPkgId: " + vnfPkgId);
+        } catch (RestProcessingException restProcessingException) {
+            logger.error("Caught RestProcessingException with Status Code: {}", restProcessingException.getStatusCode(),
+                    restProcessingException);
+            if (restProcessingException.getStatusCode() == HttpStatus.CONFLICT.value()) {
+                throw new VnfPkgConflictException("A conflict occurred with the state of the resource,\n"
+                        + "due to the attribute: onboardingState not being set to ONBOARDED.");
+            }
+        }
+        throw new EtsiCatalogManagerRequestFailureException("Internal Server Error Occurred.");
+    }
+}
diff --git a/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/extclients/etsicatalog/EtsiCatalogUrlProvider.java b/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/extclients/etsicatalog/EtsiCatalogUrlProvider.java
new file mode 100644
index 0000000000..e8188b9c7d
--- /dev/null
+++ b/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/extclients/etsicatalog/EtsiCatalogUrlProvider.java
@@ -0,0 +1,59 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2019 Nordix Foundation.
+ * ================================================================================
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.so.adapters.vnfmadapter.extclients.etsicatalog;
+
+import static org.slf4j.LoggerFactory.getLogger;
+import org.slf4j.Logger;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.stereotype.Service;
+
+/**
+ * Provides the URLs for the REST Requests to the ETSI Catalog Manager.
+ * 
+ * @author gareth.roper@est.tech
+ */
+@Service
+public class EtsiCatalogUrlProvider {
+
+    private static final Logger logger = getLogger(EtsiCatalogUrlProvider.class);
+
+    @Value("${msb.endpoint:#{\"http://msb_iag.onap:80\"}}")
+    private String msbEndpoint;
+    @Value("${msb.catalogServiceUrl:#{null}}")
+    private String catalogServiceUrl;
+    @Value("${msb.vnfpkgmServiceUrl:#{\"/api/vnfpkgm/v1\"}}")
+    private String vnfpkgmServiceUrl;
+
+    public EtsiCatalogUrlProvider() {}
+
+    /**
+     * Get the URL for retrieving the Package Content from the ETSI Catalog.".
+     *
+     * @param vnfPkgId The ID of the VNF Package
+     * @return the URL for the GET operation
+     */
+
+    public String getVnfPackageContentUrl(final String vnfPkgId) {
+        final String url = msbEndpoint + vnfpkgmServiceUrl + "/vnf_packages/" + vnfPkgId + "/package_content";
+        logger.info("getEtsiCatalogVnfPackageContentUrl: {}", url);
+        return url;
+    }
+}
diff --git a/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/extclients/vnfm/VnfmServiceProviderConfiguration.java b/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/extclients/vnfm/VnfmServiceProviderConfiguration.java
index ae9316cfdf..073fc93107 100644
--- a/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/extclients/vnfm/VnfmServiceProviderConfiguration.java
+++ b/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/extclients/vnfm/VnfmServiceProviderConfiguration.java
@@ -21,7 +21,6 @@
 package org.onap.so.adapters.vnfmadapter.extclients.vnfm;
 
 import static org.onap.so.client.RestTemplateConfig.CONFIGURABLE_REST_TEMPLATE;
-import com.google.gson.Gson;
 import java.io.IOException;
 import java.security.KeyManagementException;
 import java.security.KeyStore;
@@ -29,7 +28,6 @@ import java.security.KeyStoreException;
 import java.security.NoSuchAlgorithmException;
 import java.security.UnrecoverableKeyException;
 import java.security.cert.CertificateException;
-import java.util.Iterator;
 import java.util.ListIterator;
 import java.util.Map;
 import java.util.UUID;
@@ -43,7 +41,7 @@ import org.apache.http.ssl.SSLContextBuilder;
 import org.onap.aai.domain.yang.EsrSystemInfo;
 import org.onap.aai.domain.yang.EsrVnfm;
 import org.onap.logging.filter.spring.SpringClientPayloadFilter;
-import org.onap.so.adapters.vnfmadapter.extclients.vnfm.lcn.JSON;
+import org.onap.so.adapters.vnfmadapter.extclients.AbstractServiceProviderConfiguration;
 import org.onap.so.configuration.rest.BasicHttpHeadersProvider;
 import org.onap.so.logging.jaxrs.filter.SOSpringClientFilter;
 import org.onap.so.rest.service.HttpRestServiceProvider;
@@ -58,9 +56,6 @@ import org.springframework.core.io.Resource;
 import org.springframework.http.client.BufferingClientHttpRequestFactory;
 import org.springframework.http.client.ClientHttpRequestInterceptor;
 import org.springframework.http.client.HttpComponentsClientHttpRequestFactory;
-import org.springframework.http.converter.HttpMessageConverter;
-import org.springframework.http.converter.json.GsonHttpMessageConverter;
-import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
 import org.springframework.security.oauth2.client.OAuth2RestTemplate;
 import org.springframework.security.oauth2.client.token.grant.client.ClientCredentialsResourceDetails;
 import org.springframework.web.client.RestTemplate;
@@ -69,7 +64,7 @@ import org.springframework.web.client.RestTemplate;
  * Configures the HttpRestServiceProvider for REST call to a VNFM.
  */
 @Configuration
-public class VnfmServiceProviderConfiguration {
+public class VnfmServiceProviderConfiguration extends AbstractServiceProviderConfiguration {
 
     private static final Logger logger = LoggerFactory.getLogger(VnfmServiceProviderConfiguration.class);
     private Map<String, HttpRestServiceProvider> mapOfVnfmIdToHttpRestServiceProvider = new ConcurrentHashMap<>();
@@ -135,17 +130,6 @@ public class VnfmServiceProviderConfiguration {
         return new OAuth2RestTemplate(resourceDetails);
     }
 
-    private void setGsonMessageConverter(final RestTemplate restTemplate) {
-        final Iterator<HttpMessageConverter<?>> iterator = restTemplate.getMessageConverters().iterator();
-        while (iterator.hasNext()) {
-            if (iterator.next() instanceof MappingJackson2HttpMessageConverter) {
-                iterator.remove();
-            }
-        }
-        final Gson gson = new JSON().getGson();
-        restTemplate.getMessageConverters().add(new GsonHttpMessageConverter(gson));
-    }
-
     private void setTrustStore(final RestTemplate restTemplate) {
         SSLContext sslContext;
         try {
diff --git a/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/rest/Sol003PackageManagementController.java b/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/rest/Sol003PackageManagementController.java
index 1da1159be0..e12729a2e3 100644
--- a/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/rest/Sol003PackageManagementController.java
+++ b/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/rest/Sol003PackageManagementController.java
@@ -24,9 +24,13 @@ import static org.onap.so.adapters.vnfmadapter.Constants.APPLICATION_ZIP;
 import static org.onap.so.adapters.vnfmadapter.Constants.PACKAGE_MANAGEMENT_BASE_URL;
 import static org.slf4j.LoggerFactory.getLogger;
 import java.util.List;
+import java.util.Optional;
 import javax.ws.rs.core.MediaType;
+import org.onap.so.adapters.vnfmadapter.extclients.etsicatalog.EtsiCatalogServiceProvider;
+import org.onap.so.adapters.vnfmadapter.extclients.etsicatalog.model.ProblemDetails;
 import org.onap.so.adapters.vnfmadapter.extclients.vnfm.packagemanagement.model.InlineResponse2001;
 import org.slf4j.Logger;
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
 import org.springframework.stereotype.Controller;
@@ -45,13 +49,21 @@ import org.springframework.web.bind.annotation.RequestMapping;
 @RequestMapping(value = PACKAGE_MANAGEMENT_BASE_URL, consumes = {MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML})
 public class Sol003PackageManagementController {
 
-    private static final String LOG_REQUEST_RECEIVED = "VNF Package Management Controller: {} {} {} {} {}";
+    private final EtsiCatalogServiceProvider etsiCatalogServiceProvider;
+
+    @Autowired
+    Sol003PackageManagementController(final EtsiCatalogServiceProvider etsiCatalogServiceProvider) {
+        this.etsiCatalogServiceProvider = etsiCatalogServiceProvider;
+    }
+
+
+    private static final String LOG_REQUEST_RECEIVED = "VNF PackageManagement Controller: {} {} {}";
     private static final Logger logger = getLogger(Sol003PackageManagementController.class);
 
     /**
-     * GET VNF packages information. Direction: VNFM -> VNFM-Adapter. Will return zero or more VNF package
-     * representations that match the attribute filter. These representations will be in a list. Section Number: 10.4.2
-     *
+     * GET VNF packages information. Will return zero or more VNF package representations that match the attribute
+     * filter. These representations will be in a list. Section Number: 10.4.2
+     * 
      * @return A List of all VNF packages. Object: List<InlineResponse2001> Response Code: 200 OK
      */
 
@@ -62,9 +74,9 @@ public class Sol003PackageManagementController {
     }
 
     /**
-     * GET VNF package information. Direction: VNFM -> VNFM-Adapter. Will return a specific VNF package representation
-     * that match the attribute filter. Section Number: 10.4.3
-     *
+     * GET VNF package information. Will return a specific VNF package representation that match the attribute filter.
+     * Section Number: 10.4.3
+     * 
      * @param vnfPkgId The ID of the VNF Package that you want to query.
      * @return A VNF package based on vnfPkgId. Object: VnfPkgInfo Response Code: 200 OK
      */
@@ -75,44 +87,67 @@ public class Sol003PackageManagementController {
     }
 
     /**
-     * GET VNFD, from VNF package. Direction: VNFM -> VNFM-Adapter. Will return a copy of the file representing the VNFD
-     * or a ZIP file that contains the file/multiple files representing the VNFD specified. Section Number: 10.4.4
-     *
+     * GET VNFD, from VNF package. Will return a copy of the file representing the VNFD or a ZIP file that contains the
+     * file/multiple files representing the VNFD specified. Section Number: 10.4.4
+     * 
      * @param vnfPkgId The ID of the VNF Package that you want to retrieve the VNFD from.
      * @return The VNFD of a VNF Package as a single file or within a ZIP file. Object: byte[] Response Code: 200 OK
      */
-    @GetMapping(value = "/vnf_packages/{vnfPkgId}/vnfd", produces = {MediaType.TEXT_PLAIN, APPLICATION_ZIP})
+    @GetMapping(value = "/vnf_packages/{vnfPkgId}/vnfd",
+            produces = {MediaType.TEXT_PLAIN, APPLICATION_ZIP, MediaType.APPLICATION_JSON})
     public ResponseEntity<byte[]> getVnfPackageVnfd(@PathVariable("vnfPkgId") final String vnfPkgId) {
         logger.info(LOG_REQUEST_RECEIVED, "getVnfPackageVnfd: ", vnfPkgId);
         return new ResponseEntity<>(HttpStatus.NOT_IMPLEMENTED);
     }
 
     /**
-     * GET Package Content, from VNF Package. Direction: VNFM -> VNFM-Adapter. Will return a copy of the VNF package
-     * file that you specified. Section Number: 10.4.5
-     *
+     * GET Package Content, from VNF Package. Will return a copy of the VNF package file that you specified. Section
+     * Number: 10.4.5
+     * 
      * @param vnfPkgId The ID of the VNF Package that you want to retrieve the "package_content" from.
      * @return The Package Content of a VNF Package. Object: byte[] Response Code: 200 OK
      */
-    @GetMapping(value = "/vnf_packages/{vnfPkgId}/package_content", produces = {APPLICATION_ZIP})
-    public ResponseEntity<byte[]> getVnfPackageContent(@PathVariable("vnfPkgId") final String vnfPkgId) {
-        logger.info(LOG_REQUEST_RECEIVED, "getVnfPackageContent: ", vnfPkgId);
-        return new ResponseEntity<>(HttpStatus.NOT_IMPLEMENTED);
+    @GetMapping(value = "/vnf_packages/{vnfPkgId}/package_content",
+            produces = {MediaType.APPLICATION_JSON, APPLICATION_ZIP, MediaType.APPLICATION_OCTET_STREAM})
+    public ResponseEntity getVnfPackageContent(@PathVariable("vnfPkgId") final String vnfPkgId) {
+        logger.info(LOG_REQUEST_RECEIVED, "getVnfPackageContent Endpoint Invoked with VNF Package ID: ", vnfPkgId);
+        final Optional<byte[]> response = etsiCatalogServiceProvider.getVnfPackageContent(vnfPkgId);
+        if (response.isPresent()) {
+            logger.info(LOG_REQUEST_RECEIVED, "getVnfPackageContent Response: ", HttpStatus.OK);
+            return new ResponseEntity(response.get(), HttpStatus.OK);
+        }
+        logger.error("Null response was received from the EtsiCatalogManager using the GET \"package_content\"");
+        return new ResponseEntity(buildProblemDetails("An error occurred, a null response was received by the\n"
+                + " Sol003PackageManagementController from the EtsiCatalogManager using the GET \"package_content\" \n"
+                + "endpoint."), HttpStatus.INTERNAL_SERVER_ERROR);
     }
 
     /**
-     * GET Artifact, from VNF Package. Direction: VNFM -> VNFM-Adapter. Will return a the content of the artifact that
-     * you specified. Section Number: 10.4.6
-     *
+     * GET Artifact, from VNF Package Will return a the content of the artifact that you specified. Section Number:
+     * 10.4.6
+     * 
      * @param vnfPkgId The ID of the VNF Package that you want to retrieve an artifact from.
      * @param artifactPath The path of the artifact that you want to retrieve.
      * @return An Artifact from a VNF Package. Object: byte[] Response Code: 200 OK
      */
     @GetMapping(value = "/vnf_packages/{vnfPkgId}/artifacts/{artifactPath}",
-            produces = {MediaType.APPLICATION_OCTET_STREAM})
+            produces = {MediaType.APPLICATION_OCTET_STREAM, MediaType.APPLICATION_JSON})
     public ResponseEntity<byte[]> getVnfPackageArtifact(@PathVariable("vnfPkgId") final String vnfPkgId,
             @PathVariable("artifactPath") final String artifactPath) {
         logger.info(LOG_REQUEST_RECEIVED, "getVnfPackageArtifact: vnfPkgId=", vnfPkgId, " artifactPath=", artifactPath);
         return new ResponseEntity<>(HttpStatus.NOT_IMPLEMENTED);
     }
+
+    /**
+     * Builds the ProblemDetails Object, using the provided error message.
+     * 
+     * @param detail The error message retrieved from the exception thrown.
+     * @return ProblemDetails Object, containing error information.
+     */
+    private ProblemDetails buildProblemDetails(String detail) {
+        final ProblemDetails problemDetails = new ProblemDetails();
+        problemDetails.setDetail(detail);
+        return problemDetails;
+    }
+
 }
diff --git a/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/rest/Sol003SubscriptionManagementController.java b/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/rest/Sol003SubscriptionManagementController.java
index 6fac952aa8..16650d4a3d 100644
--- a/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/rest/Sol003SubscriptionManagementController.java
+++ b/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/rest/Sol003SubscriptionManagementController.java
@@ -53,9 +53,9 @@ public class Sol003SubscriptionManagementController {
     private static final Logger logger = getLogger(Sol003SubscriptionManagementController.class);
 
     /**
-     * POST Subscribe request. Direction: VNFM -> VNFM Adapter. Will send request and respond with the subscription that
-     * you subscribed to, if successful. Section Number: 10.4.7
-     *
+     * POST Subscribe request. Will send request and respond with the subscription that you subscribed to, if
+     * successful. Section Number: 10.4.7
+     * 
      * @param pkgmSubscriptionRequest This includes the details of the subscription to be created.
      * @return The subscription requested, if successful. Object: InlineRespone2002 Response Code: 201 Created Response
      *         Code: 303 Duplicate Subscription
@@ -68,9 +68,8 @@ public class Sol003SubscriptionManagementController {
     }
 
     /**
-     * GET all subscriptions. Direction: VNFM -> VNFM Adapter. Will return a list of all subscriptions currently active.
-     * Section Number: 10.4.7
-     *
+     * GET all subscriptions. Will return a list of all subscriptions currently active. Section Number: 10.4.7
+     * 
      * @return All of the current active subscriptions. Object: List<InlineResponse2002> Response Code: 200 OK
      */
     @GetMapping(value = "/subscriptions")
@@ -80,8 +79,8 @@ public class Sol003SubscriptionManagementController {
     }
 
     /**
-     * GET a specific subscription, by subscriptionId. Direction: VNFM -> VNFM Adapter. Section Number: 10.4.8
-     *
+     * GET a specific subscription, by subscriptionId. Section Number: 10.4.8
+     * 
      * @param subscriptionId The ID of the subscription that you wish to retrieve.
      * @return A subscription based on subscriptionId. Object: InlineResponse2002 Response Code: 200 OK
      */
@@ -93,8 +92,8 @@ public class Sol003SubscriptionManagementController {
     }
 
     /**
-     * DELETE a specific subscription, by subscriptionId. Direction: VNFM -> VNFM Adapter. Section Number: 10.4.7
-     *
+     * DELETE a specific subscription, by subscriptionId. Section Number: 10.4.7
+     * 
      * @param subscriptionId The ID of the subscription that you wish to delete.
      * @return Empty response if successful. Object: Void Response Code: 204 No Content
      */
diff --git a/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/rest/exceptions/EtsiCatalogManagerRequestFailureException.java b/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/rest/exceptions/EtsiCatalogManagerRequestFailureException.java
new file mode 100644
index 0000000000..dbdc354f4e
--- /dev/null
+++ b/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/rest/exceptions/EtsiCatalogManagerRequestFailureException.java
@@ -0,0 +1,43 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2019 Nordix Foundation.
+ * ================================================================================
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+package org.onap.so.adapters.vnfmadapter.rest.exceptions;
+
+import org.springframework.http.HttpStatus;
+import org.springframework.web.bind.annotation.ResponseStatus;
+
+/**
+ * Exception for an ETSI Catalog Manager Request Failure
+ * 
+ * @author gareth.roper@est.tech
+ */
+@ResponseStatus(code = HttpStatus.INTERNAL_SERVER_ERROR)
+public class EtsiCatalogManagerRequestFailureException extends RuntimeException {
+
+    private static final long serialVersionUID = 66862444537194516L;
+
+    public EtsiCatalogManagerRequestFailureException(final String message) {
+        super(message);
+    }
+
+    @Override
+    public synchronized Throwable fillInStackTrace() {
+        return this;
+    }
+}
diff --git a/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/rest/exceptions/VnfPkgConflictException.java b/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/rest/exceptions/VnfPkgConflictException.java
new file mode 100644
index 0000000000..0cc9c5bd7e
--- /dev/null
+++ b/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/rest/exceptions/VnfPkgConflictException.java
@@ -0,0 +1,43 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2019 Nordix Foundation.
+ * ================================================================================
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+package org.onap.so.adapters.vnfmadapter.rest.exceptions;
+
+import org.springframework.http.HttpStatus;
+import org.springframework.web.bind.annotation.ResponseStatus;
+
+/**
+ * Exception for a Vnfpkg Conflict failure, due to state of resource.
+ * 
+ * @author gareth.roper@est.tech
+ */
+@ResponseStatus(code = HttpStatus.CONFLICT)
+public class VnfPkgConflictException extends RuntimeException {
+
+    private static final long serialVersionUID = 26862444537198441L;
+
+    public VnfPkgConflictException(final String message) {
+        super(message);
+    }
+
+    @Override
+    public synchronized Throwable fillInStackTrace() {
+        return this;
+    }
+}
diff --git a/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/rest/exceptions/VnfPkgNotFoundException.java b/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/rest/exceptions/VnfPkgNotFoundException.java
new file mode 100644
index 0000000000..0f9f214643
--- /dev/null
+++ b/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/rest/exceptions/VnfPkgNotFoundException.java
@@ -0,0 +1,43 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2019 Nordix Foundation.
+ * ================================================================================
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+package org.onap.so.adapters.vnfmadapter.rest.exceptions;
+
+import org.springframework.http.HttpStatus;
+import org.springframework.web.bind.annotation.ResponseStatus;
+
+/**
+ * Exception for a Vnfpkg Not Found Failure
+ * 
+ * @author gareth.roper@est.tech
+ */
+@ResponseStatus(code = HttpStatus.NOT_FOUND)
+public class VnfPkgNotFoundException extends RuntimeException {
+
+    private static final long serialVersionUID = 26862444537198441L;
+
+    public VnfPkgNotFoundException(final String message) {
+        super(message);
+    }
+
+    @Override
+    public synchronized Throwable fillInStackTrace() {
+        return this;
+    }
+}
diff --git a/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/test/java/org/onap/so/adapters/vnfmadapter/rest/Sol003PackageManagementControllerTest.java b/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/test/java/org/onap/so/adapters/vnfmadapter/rest/Sol003PackageManagementControllerTest.java
index 801c468018..59dfd50b32 100644
--- a/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/test/java/org/onap/so/adapters/vnfmadapter/rest/Sol003PackageManagementControllerTest.java
+++ b/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/test/java/org/onap/so/adapters/vnfmadapter/rest/Sol003PackageManagementControllerTest.java
@@ -1,74 +1,236 @@
-package org.onap.so.adapters.vnfmadapter.rest;
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2019 Nordix Foundation.
+ * ================================================================================
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
 
+package org.onap.so.adapters.vnfmadapter.rest;
 
+import static org.junit.Assert.assertArrayEquals;
 import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+import static org.onap.so.adapters.vnfmadapter.Constants.PACKAGE_MANAGEMENT_BASE_URL;
 import static org.onap.so.client.RestTemplateConfig.CONFIGURABLE_REST_TEMPLATE;
-import java.net.URISyntaxException;
-import java.util.List;
+import static org.springframework.test.web.client.match.MockRestRequestMatchers.method;
+import static org.springframework.test.web.client.match.MockRestRequestMatchers.requestTo;
+import static org.springframework.test.web.client.response.MockRestResponseCreators.withStatus;
+import static org.springframework.test.web.client.response.MockRestResponseCreators.withSuccess;
+import java.util.Random;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.onap.so.adapters.vnfmadapter.VnfmAdapterApplication;
-import org.onap.so.adapters.vnfmadapter.extclients.vnfm.packagemanagement.model.InlineResponse2001;
+import org.onap.so.adapters.vnfmadapter.extclients.etsicatalog.model.ProblemDetails;
+import org.onap.so.configuration.rest.BasicHttpHeadersProvider;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.beans.factory.annotation.Qualifier;
 import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.boot.test.web.client.TestRestTemplate;
+import org.springframework.boot.web.server.LocalServerPort;
+import org.springframework.http.HttpEntity;
+import org.springframework.http.HttpMethod;
 import org.springframework.http.HttpStatus;
+import org.springframework.http.MediaType;
 import org.springframework.http.ResponseEntity;
 import org.springframework.test.context.ActiveProfiles;
 import org.springframework.test.context.junit4.SpringRunner;
 import org.springframework.test.web.client.MockRestServiceServer;
 import org.springframework.web.client.RestTemplate;
 
+/**
+ * @author gareth.roper@est.tech
+ */
 @RunWith(SpringRunner.class)
 @SpringBootTest(classes = VnfmAdapterApplication.class, webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT)
 @ActiveProfiles("test")
 public class Sol003PackageManagementControllerTest {
 
-    private static final String vnfPackageId = "myVnfPackageId";
-    private static final String artifactPath = "myArtifactPath";
+    private static final Logger logger = LoggerFactory.getLogger(Sol003PackageManagementControllerTest.class);
+
+    @LocalServerPort
+    private int port;
 
     @Autowired
     @Qualifier(CONFIGURABLE_REST_TEMPLATE)
     private RestTemplate testRestTemplate;
-    private MockRestServiceServer mockRestServer;
 
     @Autowired
     private Sol003PackageManagementController controller;
 
+    @Autowired
+    private TestRestTemplate restTemplate;
+
+    private static final String VNF_PACKAGE_ID = "myVnfPackageId";
+    private static final String ARTIFACT_PATH = "myArtifactPath";
+    private static final String MSB_BASE_URL = "http://msb_iag.onap:80/api/vnfpkgm/v1/vnf_packages";
+    private static final String VNFPKGM_BASE_URL = PACKAGE_MANAGEMENT_BASE_URL + "/vnf_packages";
+    private static final String localhostUrl = "http://localhost:";
+
+    private MockRestServiceServer mockRestServer;
+    private BasicHttpHeadersProvider basicHttpHeadersProvider;
+
+
+    public Sol003PackageManagementControllerTest() {}
+
     @Before
-    public void setUp() throws Exception {
-        mockRestServer = MockRestServiceServer.bindTo(testRestTemplate).build();
+    public void setUp() {
+        MockRestServiceServer.MockRestServiceServerBuilder builder = MockRestServiceServer.bindTo(testRestTemplate);
+        builder.ignoreExpectOrder(true);
+        mockRestServer = builder.build();
+        basicHttpHeadersProvider = new BasicHttpHeadersProvider();
+    }
+
+    @Test
+    public void testGetPackageContent_ValidArray_Success() {
+        byte[] responseArray = buildByteArrayWithRandomData(10);
+
+        mockRestServer.expect(requestTo(MSB_BASE_URL + "/" + VNF_PACKAGE_ID + "/package_content"))
+                .andExpect(method(HttpMethod.GET))
+                .andRespond(withSuccess(responseArray, MediaType.APPLICATION_OCTET_STREAM));
+
+        final String testURL = "http://localhost:" + port + PACKAGE_MANAGEMENT_BASE_URL + "/vnf_packages/"
+                + VNF_PACKAGE_ID + "/package_content";
+        final HttpEntity<?> request = new HttpEntity<>(basicHttpHeadersProvider.getHttpHeaders());
+        final ResponseEntity<byte[]> responseEntity =
+                restTemplate.withBasicAuth("test", "test").exchange(testURL, HttpMethod.GET, request, byte[].class);
+
+        assertEquals(byte[].class, responseEntity.getBody().getClass());
+        assertArrayEquals(responseEntity.getBody(), responseArray);
+        assertEquals(HttpStatus.OK, responseEntity.getStatusCode());
     }
 
     @Test
-    public void getVnfPackages() throws URISyntaxException, InterruptedException {
-        final ResponseEntity<List<InlineResponse2001>> response = controller.getVnfPackages();
-        assertEquals(HttpStatus.NOT_IMPLEMENTED, response.getStatusCode());
+    public void testOnGetPackageContent_Conflict_Fail() {
+        mockRestServer.expect(requestTo(MSB_BASE_URL + "/" + VNF_PACKAGE_ID + "/package_content"))
+                .andExpect(method(HttpMethod.GET)).andRespond(withStatus(HttpStatus.CONFLICT));
+
+        final ResponseEntity<ProblemDetails> responseEntity = sendHttpRequest(VNF_PACKAGE_ID + "/package_content");
+
+        assertTrue(responseEntity.getBody() instanceof ProblemDetails);
+        assertEquals(HttpStatus.CONFLICT, responseEntity.getStatusCode());
     }
 
     @Test
-    public void getVnfPackage() throws URISyntaxException, InterruptedException {
-        final ResponseEntity<InlineResponse2001> response = controller.getVnfPackage(vnfPackageId);
-        assertEquals(HttpStatus.NOT_IMPLEMENTED, response.getStatusCode());
+    public void testOnGetPackageContent_NotFound_Fail() {
+        mockRestServer.expect(requestTo(MSB_BASE_URL + "/" + VNF_PACKAGE_ID + "/package_content"))
+                .andExpect(method(HttpMethod.GET)).andRespond(withStatus(HttpStatus.NOT_FOUND));
+
+        final ResponseEntity<ProblemDetails> responseEntity = sendHttpRequest(VNF_PACKAGE_ID + "/package_content");
+
+        assertTrue(responseEntity.getBody() instanceof ProblemDetails);
+        assertEquals(HttpStatus.NOT_FOUND, responseEntity.getStatusCode());
     }
 
     @Test
-    public void getVnfPackageVnfd() throws URISyntaxException, InterruptedException {
-        final ResponseEntity<byte[]> response = controller.getVnfPackageVnfd(vnfPackageId);
-        assertEquals(HttpStatus.NOT_IMPLEMENTED, response.getStatusCode());
+    public void testOnGetPackageContent_UnauthorizedClient_Fail() {
+        final String testURL = "http://localhost:" + port + PACKAGE_MANAGEMENT_BASE_URL + "/vnf_packages/"
+                + VNF_PACKAGE_ID + "/package_content";
+        final HttpEntity<?> request = new HttpEntity<>(basicHttpHeadersProvider.getHttpHeaders());
+        final ResponseEntity<ProblemDetails> responseEntity =
+                restTemplate.exchange(testURL, HttpMethod.GET, request, ProblemDetails.class);
+
+        assertTrue(responseEntity.getBody() instanceof ProblemDetails);
+        assertEquals(HttpStatus.UNAUTHORIZED, responseEntity.getStatusCode());
     }
 
     @Test
-    public void getVnfPackageContents() throws URISyntaxException, InterruptedException {
-        final ResponseEntity<byte[]> response = controller.getVnfPackageContent(vnfPackageId);
-        assertEquals(HttpStatus.NOT_IMPLEMENTED, response.getStatusCode());
+    public void testOnGetPackageContent_InternalServerError_Fail() {
+        mockRestServer.expect(requestTo(MSB_BASE_URL + "/" + VNF_PACKAGE_ID + "/package_content"))
+                .andExpect(method(HttpMethod.GET)).andRespond(withStatus(HttpStatus.INTERNAL_SERVER_ERROR));
+
+        final ResponseEntity<ProblemDetails> responseEntity = sendHttpRequest(VNF_PACKAGE_ID + "/package_content");
+
+        assertTrue(responseEntity.getBody() instanceof ProblemDetails);
+        assertEquals(HttpStatus.INTERNAL_SERVER_ERROR, responseEntity.getStatusCode());
     }
 
     @Test
-    public void getVnfPackageArtifact() throws URISyntaxException, InterruptedException {
-        final ResponseEntity<byte[]> response = controller.getVnfPackageArtifact(vnfPackageId, artifactPath);
-        assertEquals(HttpStatus.NOT_IMPLEMENTED, response.getStatusCode());
+    public void testOnGetPackageContent_BadRequest_Fail() {
+        mockRestServer.expect(requestTo(MSB_BASE_URL + "/" + VNF_PACKAGE_ID + "/package_content"))
+                .andExpect(method(HttpMethod.GET)).andRespond(withStatus(HttpStatus.BAD_REQUEST));
+
+        final ResponseEntity<ProblemDetails> responseEntity = sendHttpRequest(VNF_PACKAGE_ID + "/package_content");
+
+        assertTrue(responseEntity.getBody() instanceof ProblemDetails);
+        assertEquals(HttpStatus.INTERNAL_SERVER_ERROR, responseEntity.getStatusCode());
     }
 
+    @Test
+    public void testOnGetPackageContent_UnauthorizedServer_InternalError_Fail() {
+        mockRestServer.expect(requestTo(MSB_BASE_URL + "/" + VNF_PACKAGE_ID + "/package_content"))
+                .andExpect(method(HttpMethod.GET)).andRespond(withStatus(HttpStatus.UNAUTHORIZED));
+
+        final ResponseEntity<ProblemDetails> responseEntity = sendHttpRequest(VNF_PACKAGE_ID + "/package_content");
+
+        assertTrue(responseEntity.getBody() instanceof ProblemDetails);
+        assertEquals(HttpStatus.INTERNAL_SERVER_ERROR, responseEntity.getStatusCode());
+    }
+
+    @Test
+    public void testGetPackageContent_SuccessResponseFromServerWithNullPackage_Fail() {
+        mockRestServer.expect(requestTo(MSB_BASE_URL + "/" + VNF_PACKAGE_ID + "/package_content"))
+                .andExpect(method(HttpMethod.GET)).andRespond(withSuccess());
+
+        final ResponseEntity<ProblemDetails> responseEntity = sendHttpRequest(VNF_PACKAGE_ID + "/package_content");
+
+        assertEquals(ProblemDetails.class, responseEntity.getBody().getClass());
+        assertEquals(HttpStatus.INTERNAL_SERVER_ERROR, responseEntity.getStatusCode());
+    }
+
+    // The below 4 test methods are here to improve code coverage and provide a foundation for writing future tests
+    @Test
+    public void testGetVnfPackage_Not_Implemented() {
+        final ResponseEntity<ProblemDetails> responseEntity = sendHttpRequest(VNF_PACKAGE_ID);
+        assertEquals(HttpStatus.NOT_IMPLEMENTED, responseEntity.getStatusCode());
+    }
+
+    @Test
+    public void testGetVnfPackages_Not_Implemented() {
+        final ResponseEntity<ProblemDetails> responseEntity = sendHttpRequest("");
+        assertEquals(HttpStatus.NOT_IMPLEMENTED, responseEntity.getStatusCode());
+    }
+
+    @Test
+    public void testGetVnfd_Not_Implemented() {
+        final ResponseEntity<ProblemDetails> responseEntity = sendHttpRequest(VNF_PACKAGE_ID + "/vnfd");
+        assertEquals(HttpStatus.NOT_IMPLEMENTED, responseEntity.getStatusCode());
+    }
+
+    @Test
+    public void testGetArtifact_Not_Implemented() {
+        final ResponseEntity<ProblemDetails> responseEntity =
+                sendHttpRequest(VNF_PACKAGE_ID + "/artifacts/" + ARTIFACT_PATH);
+        assertEquals(HttpStatus.NOT_IMPLEMENTED, responseEntity.getStatusCode());
+    }
+
+    // Simply returns a byte array filled with random data, for use in the tests.
+    private byte[] buildByteArrayWithRandomData(int sizeInKb) {
+        final Random rnd = new Random();
+        final byte[] b = new byte[sizeInKb * 1024]; // converting kb to byte
+        rnd.nextBytes(b);
+        return b;
+    }
+
+    private ResponseEntity<ProblemDetails> sendHttpRequest(String url) {
+        final String testURL = localhostUrl + port + VNFPKGM_BASE_URL + "/" + url;
+        final HttpEntity<?> request = new HttpEntity<>(basicHttpHeadersProvider.getHttpHeaders());
+        return restTemplate.withBasicAuth("test", "test").exchange(testURL, HttpMethod.GET, request,
+                ProblemDetails.class);
+    }
 }
diff --git a/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/test/java/org/onap/so/adapters/vnfmadapter/rest/Sol003SubscriptionManagementControllerTest.java b/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/test/java/org/onap/so/adapters/vnfmadapter/rest/Sol003SubscriptionManagementControllerTest.java
index 999dd02f0f..8fc27c5943 100644
--- a/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/test/java/org/onap/so/adapters/vnfmadapter/rest/Sol003SubscriptionManagementControllerTest.java
+++ b/adapters/mso-vnfm-adapter/mso-vnfm-etsi-adapter/src/test/java/org/onap/so/adapters/vnfmadapter/rest/Sol003SubscriptionManagementControllerTest.java
@@ -20,6 +20,10 @@ import org.springframework.test.context.junit4.SpringRunner;
 import org.springframework.test.web.client.MockRestServiceServer;
 import org.springframework.web.client.RestTemplate;
 
+/**
+ * @author gareth.roper@est.tech
+ */
+
 @RunWith(SpringRunner.class)
 @SpringBootTest(classes = VnfmAdapterApplication.class, webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT)
 @ActiveProfiles("test")