1 files changed, 86 insertions, 0 deletions
diff --git a/oom-app-common/src/main/java/org/onap/oom/dashboard/controller/HealthCheckController.java b/oom-app-common/src/main/java/org/onap/oom/dashboard/controller/HealthCheckController.java
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+++ b/oom-app-common/src/main/java/org/onap/oom/dashboard/controller/HealthCheckController.java
@@ -0,0 +1,86 @@
+/*******************************************************************************
+ * =============LICENSE_START=========================================================
+ *
+ * =================================================================================
+ *  Copyright (c) 2017 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=========================================================
+ *
+ *  ECOMP is a trademark and service mark of AT&T Intellectual Property.
+ *******************************************************************************/
+package org.onap.oom.dashboard.controller;
+
+import java.util.List;
+
+import javax.servlet.http.HttpServletRequest;
+
+import org.onap.oom.dashboard.model.HealthStatus;
+import org.openecomp.portalsdk.core.controller.UnRestrictedBaseController;
+import org.openecomp.portalsdk.core.domain.App;
+import org.openecomp.portalsdk.core.logging.logic.EELFLoggerDelegate;
+import org.openecomp.portalsdk.core.service.DataAccessService;
+import org.openecomp.portalsdk.core.util.SystemProperties;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.EnableAspectJAutoProxy;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestMethod;
+import org.springframework.web.bind.annotation.RestController;
+
+/**
+ * This controller responds to probes for application health, returning a JSON
+ * body to indicate current status.
+ */
+@RestController
+@Configuration
+@EnableAspectJAutoProxy
+@RequestMapping("/")
+public class HealthCheckController extends UnRestrictedBaseController {
+
+	private EELFLoggerDelegate logger = EELFLoggerDelegate.getLogger(HealthCheckController.class);
+
+	private static final String HEALTH_CHECK_PATH = "/healthCheck";
+
+	@Autowired
+	private DataAccessService dataAccessService;
+	
+	/**
+	 * Checks application health by making a trivial query to (what??).
+	 * 
+	 * @param request
+	 *            HttpServletRequest
+	 * @return 200 if database access succeeds, 500 if it fails.
+	 */
+	@RequestMapping(value = { HEALTH_CHECK_PATH }, method = RequestMethod.GET, produces = "application/json")
+	public HealthStatus healthCheck(HttpServletRequest request) {
+		logger.setRequestBasedDefaultsIntoGlobalLoggingContext(request, DashboardRestrictedBaseController.APP_NAME);
+		logger.info(EELFLoggerDelegate.auditLogger, request.getMethod() + request.getRequestURI());
+		HealthStatus healthStatus = null;
+		try {
+			logger.debug(EELFLoggerDelegate.debugLogger, "Performing health check");
+			@SuppressWarnings("unchecked")
+			// Get the single app.
+			List<App> list = dataAccessService.getList(App.class, null);
+			if (list.size() > 0)
+				healthStatus = new HealthStatus(200, SystemProperties.getProperty(SystemProperties.APP_DISPLAY_NAME) + " health check succeeded");
+			else
+				healthStatus = new HealthStatus(500, SystemProperties.getProperty(SystemProperties.APP_DISPLAY_NAME) + " health check failed to run db query");
+		} catch (Exception ex) {
+			logger.error(EELFLoggerDelegate.errorLogger, "Failed to perform health check", ex);
+			healthStatus = new HealthStatus(500, "health check failed: " + ex.toString());
+		}
+		return healthStatus;
+	}
+
+}