org.kuali.coeus.sys.health.HealthCheckController.java Source code

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Here is the source code for org.kuali.coeus.sys.health.HealthCheckController.java

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/*
 * Kuali Coeus, a comprehensive research administration system for higher education.
 * 
 * Copyright 2005-2015 Kuali, Inc.
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 * 
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.kuali.coeus.sys.health;

import java.sql.Connection;

import javax.sql.DataSource;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.kuali.rice.core.api.config.property.ConfigurationService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;

@Controller("healthCheckController")
public class HealthCheckController {

    protected static final String DEFAULT_HEALTH_QUERY = "select 1 from dual;";

    protected final Log LOG = LogFactory.getLog(HealthCheckController.class);

    @Autowired
    @Qualifier("dataSource")
    private DataSource dataSource;

    @Autowired
    @Qualifier("riceDataSource")
    private DataSource riceDataSource;

    @Autowired
    @Qualifier("kualiConfigurationService")
    private ConfigurationService configurationService;

    private String kcHealthQuery = DEFAULT_HEALTH_QUERY;
    private String riceHealthQuery = DEFAULT_HEALTH_QUERY;

    @RequestMapping("/")
    public ResponseEntity<HealthResponse> doHealthCheck() {
        HealthResponse result = new HealthResponse();
        result.version = configurationService.getPropertyValueAsString("version");
        try (Connection conn = dataSource.getConnection(); Connection riceConn = riceDataSource.getConnection()) {
            if (conn.createStatement().executeQuery(kcHealthQuery).next()) {
                result.kcDatabaseUp = true;
            }
            if (riceConn.createStatement().executeQuery(riceHealthQuery).next()) {
                result.riceDatabaseUp = true;
            }
        } catch (Exception e) {
            LOG.error("Health Check Failed.", e);
            return new ResponseEntity<>(result, HttpStatus.EXPECTATION_FAILED);
        }
        return new ResponseEntity<>(result, HttpStatus.OK);
    }

    static class HealthResponse {
        public String version = "NO VERSION";
        public boolean kcDatabaseUp;
        public boolean riceDatabaseUp;
    }

    public DataSource getDataSource() {
        return dataSource;
    }

    public void setDataSource(DataSource dataSource) {
        this.dataSource = dataSource;
    }

    public DataSource getRiceDataSource() {
        return riceDataSource;
    }

    public void setRiceDataSource(DataSource riceDataSource) {
        this.riceDataSource = riceDataSource;
    }

    public String getKcHealthQuery() {
        return kcHealthQuery;
    }

    public void setKcHealthQuery(String kcHealthQuery) {
        this.kcHealthQuery = kcHealthQuery;
    }

    public String getRiceHealthQuery() {
        return riceHealthQuery;
    }

    public void setRiceHealthQuery(String riceHealthQuery) {
        this.riceHealthQuery = riceHealthQuery;
    }

    public ConfigurationService getConfigurationService() {
        return configurationService;
    }

    public void setConfigurationService(ConfigurationService configurationService) {
        this.configurationService = configurationService;
    }

}