基于Java语言的SpringCloud框架学习项目设计源码

/* * Copyright 1999-2018 Alibaba Group Holding Ltd. * * 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.alibaba.csp.sentinel.dashboard.client; import java.io.UnsupportedEncodingException; import java.net.URLEncoder; import java.nio.charset.Charset; import java.util.ArrayList; import java.util.Collections; import java.util.HashMap; import java.util.List; import java.util.Map; import java.util.Map.Entry; import java.util.Optional; import java.util.Set; import java.util.concurrent.CompletableFuture; import java.util.concurrent.ExecutionException; import java.util.stream.Collectors; import com.alibaba.csp.sentinel.command.CommandConstants; import com.alibaba.csp.sentinel.config.SentinelConfig; import com.alibaba.csp.sentinel.command.vo.NodeVo; import com.alibaba.csp.sentinel.dashboard.util.AsyncUtils; import com.alibaba.csp.sentinel.slots.block.Rule; import com.alibaba.csp.sentinel.slots.block.authority.AuthorityRule; import com.alibaba.csp.sentinel.slots.block.degrade.DegradeRule; import com.alibaba.csp.sentinel.slots.block.flow.FlowRule; import com.alibaba.csp.sentinel.slots.block.flow.param.ParamFlowRule; import com.alibaba.csp.sentinel.slots.system.SystemRule; import com.alibaba.csp.sentinel.util.AssertUtil; import com.alibaba.csp.sentinel.util.StringUtil; import com.alibaba.fastjson.JSON; import com.alibaba.csp.sentinel.dashboard.datasource.entity.SentinelVersion; import com.alibaba.csp.sentinel.dashboard.datasource.entity.rule.AuthorityRuleEntity; import com.alibaba.csp.sentinel.dashboard.datasource.entity.rule.DegradeRuleEntity; import com.alibaba.csp.sentinel.dashboard.datasource.entity.rule.FlowRuleEntity; import com.alibaba.csp.sentinel.dashboard.datasource.entity.rule.ParamFlowRuleEntity; import com.alibaba.csp.sentinel.dashboard.datasource.entity.rule.RuleEntity; import com.alibaba.csp.sentinel.dashboard.datasource.entity.rule.SystemRuleEntity; import com.alibaba.csp.sentinel.dashboard.discovery.AppManagement; import com.alibaba.csp.sentinel.dashboard.domain.cluster.ClusterClientInfoVO; import com.alibaba.csp.sentinel.dashboard.domain.cluster.state.ClusterServerStateVO; import com.alibaba.csp.sentinel.dashboard.domain.cluster.state.ClusterStateSimpleEntity; import com.alibaba.csp.sentinel.dashboard.domain.cluster.config.ClusterClientConfig; import com.alibaba.csp.sentinel.dashboard.domain.cluster.config.ServerFlowConfig; import com.alibaba.csp.sentinel.dashboard.domain.cluster.config.ServerTransportConfig; import com.alibaba.csp.sentinel.dashboard.util.VersionUtils; import org.apache.http.HttpResponse; import org.apache.http.NameValuePair; import org.apache.http.client.entity.UrlEncodedFormEntity; import org.apache.http.client.methods.HttpGet; import org.apache.http.client.methods.HttpPost; import org.apache.http.client.methods.HttpUriRequest; import org.apache.http.concurrent.FutureCallback; import org.apache.http.entity.ContentType; import org.apache.http.impl.client.DefaultRedirectStrategy; import org.apache.http.impl.nio.client.CloseableHttpAsyncClient; import org.apache.http.impl.nio.client.HttpAsyncClients; import org.apache.http.impl.nio.reactor.IOReactorConfig; import org.apache.http.message.BasicNameValuePair; import org.apache.http.util.EntityUtils; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.lang.Nullable; import org.springframework.stereotype.Component; /** * Communicate with Sentinel client. * * @author leyou */ @Component public class SentinelApiClient { private static Logger logger = LoggerFactory.getLogger(SentinelApiClient.class); private static final Charset DEFAULT_CHARSET = Charset.forName(SentinelConfig.charset()); private static final String RESOURCE_URL_PATH = "jsonTree"; private static final String CLUSTER_NODE_PATH = "clusterNode"; private static final String GET_RULES_PATH = "getRules"; private static final String SET_RULES_PATH = "setRules"; private static final String GET_PARAM_RULE_PATH = "getParamFlowRules"; private static final String SET_PARAM_RULE_PATH = "setParamFlowRules"; private static final String FETCH_CLUSTER_MODE_PATH = "getClusterMode"; private static final String MODIFY_CLUSTER_MODE_PATH = "setClusterMode"; private static final String FETCH_CLUSTER_CLIENT_CONFIG_PATH = "cluster/client/fetchConfig"; private static final String MODIFY_CLUSTER_CLIENT_CONFIG_PATH = "cluster/client/modifyConfig"; private static final String FETCH_CLUSTER_SERVER_ALL_CONFIG_PATH = "cluster/server/fetchConfig"; private static final String FETCH_CLUSTER_SERVER_BASIC_INFO_PATH = "cluster/server/info"; private static final String MODIFY_CLUSTER_SERVER_TRANSPORT_CONFIG_PATH = "cluster/server/modifyTransportConfig"; private static final String MODIFY_CLUSTER_SERVER_FLOW_CONFIG_PATH = "cluster/server/modifyFlowConfig"; private static final String MODIFY_CLUSTER_SERVER_NAMESPACE_SET_PATH = "cluster/server/modifyNamespaceSet"; private static final String FLOW_RULE_TYPE = "flow"; private static final String DEGRADE_RULE_TYPE = "degrade"; private static final String SYSTEM_RULE_TYPE = "system"; private static final String AUTHORITY_TYPE = "authority"; private CloseableHttpAsyncClient httpClient; private static final SentinelVersion version160 = new SentinelVersion(1, 6, 0); @Autowired private AppManagement appManagement; public SentinelApiClient() { IOReactorConfig ioConfig = IOReactorConfig.custom().setConnectTimeout(3000).setSoTimeout(10000) .setIoThreadCount(Runtime.getRuntime().availableProcessors() * 2).build(); httpClient = HttpAsyncClients.custom().setRedirectStrategy(new DefaultRedirectStrategy() { @Override protected boolean isRedirectable(final String method) { return false; } }).setMaxConnTotal(4000).setMaxConnPerRoute(1000).setDefaultIOReactorConfig(ioConfig).build(); httpClient.start(); } private boolean isSuccess(int statusCode) { return statusCode >= 200 && statusCode < 300; } private boolean isCommandNotFound(int statusCode, String body) { return statusCode == 400 && StringUtil.isNotEmpty(body) && body.contains(CommandConstants.MSG_UNKNOWN_COMMAND_PREFIX); } private StringBuilder queryString(Map<String, String> params) { StringBuilder queryStringBuilder = new StringBuilder(); for (Entry<String, String> entry : params.entrySet()) { if (StringUtil.isEmpty(entry.getValue())) { continue; } String name = urlEncode(entry.getKey()); String value = urlEncode(entry.getValue()); if (name != null && value != null) { if (queryStringBuilder.length() > 0) { queryStringBuilder.append('&'); } queryStringBuilder.append(name).append('=').append(value); } } return queryStringBuilder; } private HttpUriRequest postRequest(String url, Map<String, String> params) { HttpPost httpPost = new HttpPost(url); if (params != null && params.size() > 0) { List<NameValuePair> list = new ArrayList<>(params.size()); for (Entry<String, String> entry : params.entrySet()) { list.add(new BasicNameValuePair(entry.getKey(),