Include impacted changes for APPC-346,APPC-348

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

diff --git a/appc-provider/appc-provider-bundle/src/main/java/org/onap/appc/provider/lcm/mock/MockVolumeHelper.java b/appc-provider/appc-provider-bundle/src/main/java/org/onap/appc/provider/lcm/mock/MockVolumeHelper.java
new file mode 100644 (file)
index 0000000..562d376
--- /dev/null
+++ b/appc-provider/appc-provider-bundle/src/main/java/org/onap/appc/provider/lcm/mock/MockVolumeHelper.java
@@ -0,0 +1,140 @@
+/*-
+ * ============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 org.onap.appc.util.JsonUtil;
+
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Paths;
+import java.util.Map;
+
+/**
+ * This class is here because LCM attachVolume and detachVolume backends are not implemented.
+ * Hence this class is here to mock the handling response of LCM attachVolume and detachVolume REST API.
+ *
+ * When backend is implemented, this file should be removed.
+ */
+public class MockVolumeHelper extends AbstractMockHelper {
+    private final String MOCK_VOLUME_DIR = "/tmp/lcm/volume";
+    private final String VOLUME_ID_KEY = "volumeAttachment.volumeId";
+
+    public RequestHandlerOutput attachVolume(RequestHandlerInput input) {
+        if (!mockConditionExists()) {
+            status = buildStatusForErrorMsg(LCMCommandStatus.REJECTED,
+                "The attach-volume command is not supported");
+            return setOutputStatus();
+        }
+
+        String vserverId = input.getRequestContext().getActionIdentifiers().getVserverId();
+        String vserverPath = String.format("%s/%s", MOCK_VOLUME_DIR, vserverId);
+        if (!isDirectoryExist(vserverPath)) {
+            status = buildStatusForId(LCMCommandStatus.VSERVER_NOT_FOUND, vserverId);
+            return setOutputStatus();
+        }
+
+        Map<String, String> jsonMap = getJsonMap(input.getRequestContext().getPayload());
+        if (jsonMap == null) {
+            status = buildStatusForErrorMsg(LCMCommandStatus.UNEXPECTED_ERROR, "payload reading failed");
+            return setOutputStatus();
+        }
+
+        String volumeId = jsonMap.get(VOLUME_ID_KEY);
+        String volumeIdPath = String.format("%s/%s", vserverPath, volumeId);
+        if (isDirectoryExist(volumeIdPath)) {
+            status = buildStatusForErrorMsg(LCMCommandStatus.REJECTED,
+                String.format("Volume %s is already attached to VM %s", volumeId, vserverId));
+            return setOutputStatus();
+        }
+
+        File volumeDir = new File(volumeIdPath);
+        boolean success = volumeDir.mkdir();
+        status = success ?
+            buildStatusWithoutParams(LCMCommandStatus.SUCCESS) :
+            buildStatusForErrorMsg(LCMCommandStatus.REJECTED,
+                String.format("Failed to attach volume %s to VM %s", volumeId, vserverId));
+
+        return  setOutputStatus();
+    }
+
+    public RequestHandlerOutput detachVolume(RequestHandlerInput input) {
+        if (!mockConditionExists()) {
+            status = buildStatusForErrorMsg(LCMCommandStatus.REJECTED,
+                "The detach-volume command is not supported");
+            return setOutputStatus();
+        }
+
+        String vserverId = input.getRequestContext().getActionIdentifiers().getVserverId();
+        String vserverPath = String.format("%s/%s", MOCK_VOLUME_DIR, vserverId);
+        if (!isDirectoryExist(vserverPath)) {
+            status = buildStatusForId(LCMCommandStatus.VSERVER_NOT_FOUND, vserverId);
+            return setOutputStatus();
+        }
+
+        Map<String, String> jsonMap = getJsonMap(input.getRequestContext().getPayload());
+        if (jsonMap == null) {
+            status = buildStatusForErrorMsg(LCMCommandStatus.UNEXPECTED_ERROR, "payload reading failed");
+            return setOutputStatus();
+        }
+
+        String volumeId = jsonMap.get(VOLUME_ID_KEY);
+        String volumeIdPath = String.format("%s/%s", vserverPath, volumeId);
+        if (!isDirectoryExist(volumeIdPath)) {
+            status = buildStatusForErrorMsg(LCMCommandStatus.REJECTED,
+                String.format("Volume %s is not attached to VM %s", volumeId, vserverId));
+            return setOutputStatus();
+        }
+
+        File volumeDir = new File(volumeIdPath);
+        boolean success = volumeDir.delete();
+        status = success ?
+            buildStatusWithoutParams(LCMCommandStatus.SUCCESS) :
+            buildStatusForErrorMsg(LCMCommandStatus.REJECTED,
+                String.format("Failed to attach volume %s to VM %s", volumeId, vserverId));
+
+        return  setOutputStatus();
+    }
+
+    private boolean mockConditionExists() {
+        return isDirectoryExist(MOCK_VOLUME_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("MockVolumeHelper got exception when convert json map for (%s)", jsonString), e);
+        }
+        return null;
+    }
+}