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/*******************************************************************************
* =============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.ccsdk.dashboard.controller;
import java.util.List;
import javax.servlet.http.HttpServletRequest;
import org.onap.ccsdk.dashboard.model.HealthStatus;
import org.onap.portalsdk.core.controller.UnRestrictedBaseController;
import org.onap.portalsdk.core.domain.App;
import org.onap.portalsdk.core.logging.logic.EELFLoggerDelegate;
import org.onap.portalsdk.core.service.DataAccessService;
import org.onap.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.isEmpty())
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;
}
}
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