Include impacted changes for APPC-346,APPC-348

[appc.git] / appc-provider / appc-provider-bundle / src / main / java / org / onap / appc / provider / lcm / mock / MockQuiesceHelper.java

diff --git a/appc-provider/appc-provider-bundle/src/main/java/org/onap/appc/provider/lcm/mock/MockQuiesceHelper.java b/appc-provider/appc-provider-bundle/src/main/java/org/onap/appc/provider/lcm/mock/MockQuiesceHelper.java
new file mode 100644 (file)
index 0000000..205249b
--- /dev/null
+++ b/appc-provider/appc-provider-bundle/src/main/java/org/onap/appc/provider/lcm/mock/MockQuiesceHelper.java
@@ -0,0 +1,103 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP : APPC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Copyright (C) 2017 Amdocs
+ * =============================================================================
+ * 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.
+ * 
+ * ECOMP is a trademark and service mark of AT&T Intellectual Property.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.appc.provider.lcm.mock;
+
+import org.onap.appc.executor.objects.LCMCommandStatus;
+import org.onap.appc.requesthandler.objects.RequestHandlerInput;
+import org.onap.appc.requesthandler.objects.RequestHandlerOutput;
+
+import java.io.File;
+import java.nio.file.Files;
+import java.nio.file.Paths;
+import org.onap.appc.util.JsonUtil;
+import java.io.IOException;
+
+import java.util.Map;
+
+
+/**
+ * This class is here because LCM quiesce backend is not implemented.
+ * Hence this class is here to mock the handling response of LCM quiesce REST API.
+ *
+ * When backend is implemented, this file should be removed.
+ */
+public class MockQuiesceHelper extends AbstractMockHelper {
+    private final String MOCK_QUIESCE_DIR = "/tmp/lcm/quiescetraffic";
+    private final String PAUSE = "pause";
+
+    public RequestHandlerOutput quiesceTraffic(RequestHandlerInput input) {
+        if (!mockConditionExists()) {
+            status = buildStatusForErrorMsg(LCMCommandStatus.REJECTED,
+                "The quiesce-traffic command is not supported");
+            return setOutputStatus();
+        }
+
+        String vnfId = input.getRequestContext().getActionIdentifiers().getVnfId();
+        String vnfPath = String.format("%s/%s", MOCK_QUIESCE_DIR, vnfId);
+        if (!isDirectoryExist(vnfPath)) {
+            status = buildStatusForVnfId(LCMCommandStatus.VNF_NOT_FOUND, vnfId);
+            return setOutputStatus();
+        }
+        
+        Map<String, String> jsonMap = getJsonMap(input.getRequestContext().getPayload());
+        if (jsonMap == null) {
+            status = buildStatusForErrorMsg(LCMCommandStatus.UNEXPECTED_ERROR, "payload reading failed");
+            return setOutputStatus();
+        }
+
+        String pausePath = String.format("%s/%s", vnfPath, PAUSE);
+        if (isDirectoryExist(pausePath)) {
+            status = buildStatusForErrorMsg(LCMCommandStatus.REJECTED,
+                String.format("VNF %s is already quiesced", vnfId));
+            return setOutputStatus();
+        }
+
+        File pauseDir = new File(pausePath);
+        boolean success = pauseDir.mkdir();
+        status = success ?
+            buildStatusWithoutParams(LCMCommandStatus.ACCEPTED) :
+            buildStatusForErrorMsg(LCMCommandStatus.REJECTED,
+                String.format("Failed to quiesce traffic VNF %s", vnfId));
+
+        return setOutputStatus();
+    }
+
+    private boolean mockConditionExists() {
+        return isDirectoryExist(MOCK_QUIESCE_DIR);
+    }
+
+    private boolean isDirectoryExist(String path) {
+        return Files.isDirectory(Paths.get(path));
+    }
+    
+    private Map<String, String> getJsonMap(String jsonString) {
+        try {
+            return JsonUtil.convertJsonStringToFlatMap(jsonString);
+        } catch (IOException e) {
+            logger.error(String.format("MockQuiesceHelper got exception when convert json map for (%s)", jsonString), e);
+        }
+        return null;
+    }
+}