added in support for delete instance cnf

Issue-ID: SO-3404
Change-Id: I1dccebefdeea8f53c4889cc7c61108462de0bf9c
Signed-off-by: Kalkere Ramesh, Sharan <sk720x@att.com>

2 files changed, 85 insertions, 0 deletions

diff --git a/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/adapter/cnf/tasks/CnfAdapterDeleteTasks.java b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/adapter/cnf/tasks/CnfAdapterDeleteTasks.java
new file mode 100644
index 0000000000..87466bbbd4
--- /dev/null
+++ b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/adapter/cnf/tasks/CnfAdapterDeleteTasks.java
@@ -0,0 +1,66 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - SO
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Modifications Copyright (c) 2019 Samsung
+ * ================================================================================
+ * 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.onap.so.bpmn.infrastructure.adapter.cnf.tasks;
+
+import org.onap.so.bpmn.common.BuildingBlockExecution;
+import org.onap.so.bpmn.servicedecomposition.bbobjects.VfModule;
+import org.onap.so.bpmn.servicedecomposition.entities.ResourceKey;
+import org.onap.so.bpmn.servicedecomposition.tasks.ExtractPojosForBB;
+import org.onap.so.client.adapter.cnf.CnfAdapterClient;
+import org.onap.so.client.exception.ExceptionBuilder;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+
+@Component
+public class CnfAdapterDeleteTasks {
+    private static final Logger logger = LoggerFactory.getLogger(CnfAdapterDeleteTasks.class);
+
+    @Autowired
+    private ExtractPojosForBB extractPojosForBB;
+    @Autowired
+    private ExceptionBuilder exceptionUtil;
+    @Autowired
+    private CnfAdapterClient cnfAdapterClient;
+
+    /**
+     * This method is used for deleting the instance with Multicloud K8s Plugin.
+     *
+     * @param execution
+     * @return
+     */
+    public void deleteInstance(BuildingBlockExecution execution) {
+        try {
+            logger.debug("Running delete instance - Helm");
+            VfModule vfModule = extractPojosForBB.extractByKey(execution, ResourceKey.VF_MODULE_ID);
+            String heatStackId = vfModule.getHeatStackId();
+            execution.setVariable("heatStackId", heatStackId);
+            cnfAdapterClient.deleteVfModule(heatStackId);
+        } catch (Exception ex) {
+            logger.error("Exception occurred", ex);
+            exceptionUtil.buildAndThrowWorkflowException(execution, 7000, ex);
+        }
+    }
+
+}
diff --git a/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/client/adapter/cnf/CnfAdapterClient.java b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/client/adapter/cnf/CnfAdapterClient.java
index 65f8a084eb..da36a6f040 100644
--- a/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/client/adapter/cnf/CnfAdapterClient.java
+++ b/bpmn/so-bpmn-tasks/src/main/java/org/onap/so/client/adapter/cnf/CnfAdapterClient.java
@@ -76,6 +76,25 @@ public class CnfAdapterClient {
         }
     }
 
+
+    @Retryable(value = {HttpServerErrorException.class}, maxAttempts = 3, backoff = @Backoff(delay = 3000))
+    public void deleteVfModule(String heatStackId) throws CnfAdapterClientException {
+        try {
+            // String uri = env.getRequiredProperty("mso.cnf.adapter.endpoint"); //TODO: This needs to be added as well
+            // for configuration
+            String uri = "http://so-cnf-adapter:8090";
+            String endpoint = UriBuilder.fromUri(uri).path(INSTANCE_CREATE_PATH + "/" + heatStackId).build().toString();
+            HttpEntity<?> entity = new HttpEntity<>(getHttpHeaders());
+            restTemplate.exchange(endpoint, HttpMethod.DELETE, entity, String.class);
+        } catch (HttpClientErrorException e) {
+            logger.error("Error Calling CNF Adapter, e");
+            if (HttpStatus.SC_NOT_FOUND == e.getStatusCode().value()) {
+                throw new EntityNotFoundException(e.getResponseBodyAsString());
+            }
+            throw e;
+        }
+    }
+
     @Retryable(value = {HttpServerErrorException.class}, maxAttempts = 3, backoff = @Backoff(delay = 3000))
     public InstanceResponse healthcheck() throws CnfAdapterClientException {
         try {