com.huaweicloud.visibility.interceptor.SpringCloudDiscoveryInterceptor Maven / Gradle / Ivy

Go to download
/*
 * Copyright (C) 2021-2022 Huawei Technologies Co., Ltd. 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.
 *
 */

package com.huaweicloud.visibility.interceptor;

import com.huaweicloud.sermant.core.common.BootArgsIndexer;
import com.huaweicloud.sermant.core.plugin.agent.entity.ExecuteContext;
import com.huaweicloud.sermant.core.utils.StringUtils;
import com.huaweicloud.visibility.common.CollectorCache;
import com.huaweicloud.visibility.common.ServiceType;
import com.huaweicloud.visibility.entity.Consanguinity;
import com.huaweicloud.visibility.entity.Contract;
import com.huaweicloud.visibility.entity.ServerInfo;

import com.netflix.loadbalancer.Server;

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

/**
 * SpringCloud注册增强器
 *
 * @author zhp
 * @since 2022-12-05
 */
public class SpringCloudDiscoveryInterceptor extends AbstractCollectorInterceptor {
    @Override
    public ExecuteContext before(ExecuteContext context) {
        return context;
    }

    @Override
    public ExecuteContext after(ExecuteContext context) {
        if (context.getResult() != null && context.getResult() instanceof List) {
            Consanguinity consanguinity = getConsanguinity(context);
            ServerInfo serverinfo = new ServerInfo();
            serverinfo.setConsanguinityList(new ArrayList<>());
            serverinfo.getConsanguinityList().add(consanguinity);
            CollectorCache.saveConsanguinity(consanguinity);
            collectorService.sendServerInfo(serverinfo);
        }
        return context;
    }

    /**
     * 获取服务提供者信息
     *
     * @param context 上下文信息
     * @return 服务提供者信息
     */
    private static Consanguinity getConsanguinity(ExecuteContext context) {
        Consanguinity consanguinity = new Consanguinity();
        consanguinity.setProviders(new ArrayList<>());
        consanguinity.setServiceType(ServiceType.SPRING_CLOUD.getType());
        consanguinity.setServiceKey(BootArgsIndexer.getInstanceId());
        consanguinity.setInterfaceName("");
        List serverList = (List) context.getResult();
        if (serverList != null && !serverList.isEmpty()) {
            serverList.forEach(server -> {
                Contract contract = new Contract();
                contract.setServiceType(ServiceType.SPRING_CLOUD.getType());
                contract.setIp(server.getHost());
                contract.setPort(StringUtils.getString(server.getPort()));
                contract.setServiceKey(server.getId());
                consanguinity.getProviders().add(contract);
            });
        }
        return consanguinity;
    }
}