jp.primecloud.auto.api.lb.AttachLoadBalancer.java Source code

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Here is the source code for jp.primecloud.auto.api.lb.AttachLoadBalancer.java

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/*
 * Copyright 2014 by SCSK Corporation.
 * 
 * This file is part of PrimeCloud Controller(TM).
 * 
 * PrimeCloud Controller(TM) is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 2 of the License, or
 * (at your option) any later version.
 * 
 * PrimeCloud Controller(TM) 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 General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with PrimeCloud Controller(TM). If not, see <http://www.gnu.org/licenses/>.
 */
package jp.primecloud.auto.api.lb;

import java.util.ArrayList;
import java.util.List;

import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.Produces;
import javax.ws.rs.QueryParam;
import javax.ws.rs.core.MediaType;

import jp.primecloud.auto.api.ApiSupport;
import jp.primecloud.auto.api.ApiValidate;

import org.apache.commons.lang.BooleanUtils;

import jp.primecloud.auto.api.response.lb.AttachLoadBalancerResponse;
import jp.primecloud.auto.common.status.InstanceStatus;
import jp.primecloud.auto.entity.crud.ComponentInstance;
import jp.primecloud.auto.entity.crud.Instance;
import jp.primecloud.auto.entity.crud.LoadBalancer;
import jp.primecloud.auto.exception.AutoApplicationException;
import jp.primecloud.auto.exception.AutoException;
import jp.primecloud.auto.util.MessageUtils;

@Path("/AttachLoadBalancer")
public class AttachLoadBalancer extends ApiSupport {

    /**
     *
     * ? ??
     * @param farmNo ?
     * @param loadBalancerNo ??
     * @param instanceNo ?
     *
     * @return AttachLoadBalancerResponse
     */
    @GET
    @Produces({ MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML })
    public AttachLoadBalancerResponse attachLoadBalancer(@QueryParam(PARAM_NAME_FARM_NO) String farmNo,
            @QueryParam(PARAM_NAME_LOAD_BALANCER_NO) String loadBalancerNo,
            @QueryParam(PARAM_NAME_INSTANCE_NO) String instanceNo) {

        AttachLoadBalancerResponse response = new AttachLoadBalancerResponse();

        try {
            // ?
            // FarmNo
            ApiValidate.validateFarmNo(farmNo);
            // LoadBalancerNo
            ApiValidate.validateLoadBalancerNo(loadBalancerNo);
            // InstanceNo
            ApiValidate.validateInstanceNo(instanceNo);

            // ??
            LoadBalancer loadBalancer = loadBalancerDao.read(Long.parseLong(loadBalancerNo));
            if (loadBalancer == null) {
                // ?????
                throw new AutoApplicationException("EAPI-100000", "LoadBalancer", PARAM_NAME_LOAD_BALANCER_NO,
                        loadBalancerNo);
            }
            if (BooleanUtils.isFalse(loadBalancer.getFarmNo().equals(Long.parseLong(farmNo)))) {
                //??????
                throw new AutoApplicationException("EAPI-100022", "LoadBalancer", farmNo,
                        PARAM_NAME_LOAD_BALANCER_NO, loadBalancerNo);
            }

            // ?
            Instance instance = instanceDao.read(Long.parseLong(instanceNo));
            if (instance == null) {
                // ????
                throw new AutoApplicationException("EAPI-100000", "Instance", PARAM_NAME_INSTANCE_NO, instanceNo);
            }
            if (BooleanUtils.isFalse(instance.getFarmNo().equals(Long.parseLong(farmNo)))) {
                //?????
                throw new AutoApplicationException("EAPI-100022", "Instance", farmNo, PARAM_NAME_INSTANCE_NO,
                        instanceNo);
            }

            // ???
            InstanceStatus instanceStatus = InstanceStatus.fromStatus(instance.getStatus());
            if (instanceStatus == InstanceStatus.CONFIGURING || instanceStatus == InstanceStatus.WARNING) {
                // ? Configuring ?? Warning ??????
                throw new AutoApplicationException("EAPI-100001", loadBalancerNo, instanceNo);
            }

            // ????
            List<ComponentInstance> componentInstances = componentInstanceDao
                    .readByComponentNo(loadBalancer.getComponentNo());
            boolean isContain = false;
            for (ComponentInstance componentInstance : componentInstances) {
                if (BooleanUtils.isFalse(componentInstance.getAssociate())) {
                    continue;
                }
                if (componentInstance.getInstanceNo().equals(instance.getInstanceNo())) {
                    isContain = true;
                    break;
                }
            }
            if (BooleanUtils.isFalse(isContain)) {
                // ???????????
                throw new AutoApplicationException("EAPI-100012", Long.parseLong(loadBalancerNo),
                        loadBalancer.getComponentNo(), Long.parseLong(instanceNo));
            }

            // ? ???
            List<Long> instanceNos = new ArrayList<Long>();
            instanceNos.add(Long.parseLong(instanceNo));
            loadBalancerService.enableInstances(Long.parseLong(loadBalancerNo), instanceNos);

            response.setSuccess(true);
        } catch (Throwable e) {
            String message = "";
            if (e instanceof AutoException || e instanceof AutoApplicationException) {
                message = e.getMessage();
            } else {
                message = MessageUtils.getMessage("EAPI-000000");
            }
            log.error(message, e);
            response.setMessage(message);
            response.setSuccess(false);
        }

        return response;
    }
}