1 files changed, 81 insertions, 0 deletions
diff --git a/runtime/src/main/java/org/onap/policy/clamp/clds/service/CldsHealthcheckService.java b/runtime/src/main/java/org/onap/policy/clamp/clds/service/CldsHealthcheckService.java
new file mode 100644
index 000000000..02481494a
--- /dev/null
+++ b/runtime/src/main/java/org/onap/policy/clamp/clds/service/CldsHealthcheckService.java
@@ -0,0 +1,81 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP CLAMP
+ * ================================================================================
+ * Copyright (C) 2017-2018 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.onap.policy.clamp.clds.service;
+
+import java.util.Date;
+import org.onap.policy.clamp.clds.model.CldsHealthCheck;
+import org.onap.policy.clamp.clds.util.LoggingUtils;
+import org.onap.policy.clamp.clds.util.OnapLogConstants;
+import org.onap.policy.clamp.loop.LoopController;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.slf4j.event.Level;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.HttpStatus;
+import org.springframework.stereotype.Component;
+
+/**
+ * Service to retrieve the Health Check of the clds application.
+ *
+ */
+@Component
+public class CldsHealthcheckService {
+
+    @Autowired
+    private LoopController loopController;
+
+    protected static final Logger logger = LoggerFactory.getLogger(CldsHealthcheckService.class);
+
+    /**
+     * REST service that retrieves clds healthcheck information.
+     *
+     * @return CldsHealthCheck class containing healthcheck info
+     */
+    public CldsHealthCheck gethealthcheck() {
+        CldsHealthCheck cldsHealthCheck = new CldsHealthCheck();
+        Date startTime = new Date();
+        LoggingUtils util = new LoggingUtils(logger);
+        LoggingUtils.setRequestContext("CldsService: GET healthcheck", "Clamp-Health-Check");
+        LoggingUtils.setTimeContext(startTime, new Date());
+        try {
+            loopController.getLoopNames();
+            cldsHealthCheck.setHealthCheckComponent("CLDS-APP");
+            cldsHealthCheck.setHealthCheckStatus("UP");
+            cldsHealthCheck.setDescription("OK");
+            LoggingUtils.setResponseContext("0", "Get healthcheck success",
+                this.getClass().getName());
+            util.exiting(HttpStatus.OK.value(), "Healthcheck success", Level.INFO,
+                OnapLogConstants.ResponseStatus.COMPLETE);
+        } catch (Exception e) {
+            logger.error("CLAMP application Heath check failed", e);
+            LoggingUtils.setResponseContext("999", "Get healthcheck failed",
+                this.getClass().getName());
+            cldsHealthCheck.setHealthCheckComponent("CLDS-APP");
+            cldsHealthCheck.setHealthCheckStatus("DOWN");
+            cldsHealthCheck.setDescription("NOT-OK");
+            util.exiting(HttpStatus.INTERNAL_SERVER_ERROR.value(), "Healthcheck failed", Level.INFO,
+                OnapLogConstants.ResponseStatus.ERROR);
+        }
+        return cldsHealthCheck;
+    }
+}