Baoqi commented on a change in pull request #842: [FEATURE][#841]Add HTTP components（添加HTTP组件） URL: https://github.com/apache/incubator-dolphinscheduler/pull/842#discussion_r326933791
########## File path: escheduler-server/src/main/java/cn/escheduler/server/worker/task/http/HttpTask.java ########## @@ -0,0 +1,310 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You 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 cn.escheduler.server.worker.task.http; + + +import cn.escheduler.common.enums.Direct; +import cn.escheduler.common.enums.HttpMethod; +import cn.escheduler.common.process.Property; +import cn.escheduler.common.task.AbstractParameters; +import cn.escheduler.common.task.http.HttpParameters; +import cn.escheduler.common.utils.DateUtils; +import cn.escheduler.dao.DaoFactory; +import cn.escheduler.dao.ProcessDao; +import cn.escheduler.dao.model.ProcessInstance; +import cn.escheduler.server.utils.ParamUtils; +import cn.escheduler.server.worker.task.AbstractTask; +import cn.escheduler.server.worker.task.TaskProps; +import com.alibaba.fastjson.JSONObject; +import com.google.common.xml.XmlEscapers; +import org.apache.commons.lang3.StringUtils; +import org.apache.http.HttpEntity; +import org.apache.http.ParseException; +import org.apache.http.client.ClientProtocolException; +import org.apache.http.client.CookieStore; +import org.apache.http.client.config.RequestConfig; +import org.apache.http.client.methods.CloseableHttpResponse; +import org.apache.http.client.methods.HttpUriRequest; +import org.apache.http.client.methods.RequestBuilder; +import org.apache.http.conn.ssl.SSLConnectionSocketFactory; +import org.apache.http.entity.StringEntity; +import org.apache.http.impl.client.BasicCookieStore; +import org.apache.http.impl.client.CloseableHttpClient; +import org.apache.http.impl.client.HttpClientBuilder; +import org.apache.http.impl.client.HttpClients; +import org.apache.http.util.EntityUtils; +import org.slf4j.Logger; + +import javax.net.ssl.SSLContext; +import javax.net.ssl.X509TrustManager; +import java.io.IOException; +import java.io.UnsupportedEncodingException; +import java.security.cert.CertificateException; +import java.security.cert.X509Certificate; +import java.util.Iterator; +import java.util.Map; + +/** + * http task + */ +public class HttpTask extends AbstractTask { + + private HttpParameters httpParameters; + + /** + * process database access + */ + private ProcessDao processDao; + + /** + * Convert mill seconds to second unit + */ + protected static final int MAX_CONNECTION_MILLISECONDS = 60000; + + protected static final String CONTENT_TYPE = "Content-Type"; + + protected static final String APPLICATION_JSON = "application/json"; + + protected static HttpsTrustManager httpsTrustManager = new HttpsTrustManager(); + + protected String output; + + + public HttpTask(TaskProps props, Logger logger) { + super(props, logger); + this.processDao = DaoFactory.getDaoInstance(ProcessDao.class); + } + + @Override + public void init() { + logger.info("http task params {}", taskProps.getTaskParams()); + this.httpParameters = JSONObject.parseObject(taskProps.getTaskParams(), HttpParameters.class); + + if (!httpParameters.checkParameters()) { + throw new RuntimeException("http task params is not valid"); + } + } + + @Override + public void handle() throws Exception { + String threadLoggerInfoName = String.format("TaskLogInfo-%s", taskProps.getTaskAppId()); + Thread.currentThread().setName(threadLoggerInfoName); + + long startTime = System.currentTimeMillis(); + String statusCode = null; + String body = null; + boolean status = true; + try { + CloseableHttpResponse response = sendRequest(); + statusCode = String.valueOf(getStatusCode(response)); + body = getResponseBody(response); + response.close(); + exitStatusCode = validResponse(body, statusCode); + long costTime = System.currentTimeMillis() - startTime; + status = StringUtils.isEmpty(output); + logger.info("startTime: {}, httpUrl: {}, httpMethod: {}, status : {}, costTime : {}Millisecond, statusCode : {}, body : {}, log : {}", + DateUtils.format2Readable(startTime), httpParameters.getUrl(),httpParameters.getHttpMethod(), status, costTime, statusCode, body, output); + } catch (Exception e) { + appendMessage(e.toString()); + exitStatusCode = -1; + logger.error("httpUrl[" + httpParameters.getUrl() + "] connection failed："+output, e); + } + } + + protected CloseableHttpResponse sendRequest() throws ClientProtocolException, IOException { + RequestBuilder builder = createRequestBuilder(); + ProcessInstance processInstance = processDao.findProcessInstanceByTaskId(taskProps.getTaskInstId()); + + Map<String, Property> paramsMap = ParamUtils.convert(taskProps.getUserDefParamsMap(), + taskProps.getDefinedParams(), + httpParameters.getLocalParametersMap(), + processInstance.getCmdTypeIfComplement(), + processInstance.getScheduleTime()); + + addRequestParams(builder,paramsMap); + HttpUriRequest request = builder.setUri(httpParameters.getUrl()).build(); + setHeaders(request,paramsMap); + CloseableHttpClient client = createHttpClient(); + return client.execute(request); + } + + protected String getResponseBody(CloseableHttpResponse httpResponse) throws ParseException, IOException { + if (httpResponse == null) { + return null; + } + HttpEntity entity = httpResponse.getEntity(); + if (entity == null) { + return null; + } + String webPage = EntityUtils.toString(entity, "UTF-8"); + return webPage; + } + + protected int getStatusCode(CloseableHttpResponse httpResponse) { + int status = httpResponse.getStatusLine().getStatusCode(); + return status; + } + + protected int validResponse(String body, String statusCode) throws Exception { + int exitStatusCode = 0; + switch (httpParameters.getHttpCheckCondition()) { + case BODY_CONTAINS: + if (StringUtils.isEmpty(body) || !body.contains(httpParameters.getCondition())) { + appendMessage(httpParameters.getUrl() + " doesn contain " + + XmlEscapers.xmlContentEscaper().escape(httpParameters.getCondition())); + exitStatusCode = -1; + } + break; + case BODY_NOT_CONTAINS: + if (StringUtils.isEmpty(body) || body.contains(httpParameters.getCondition())) { + appendMessage(httpParameters.getUrl() + " contains " + + XmlEscapers.xmlContentEscaper().escape(httpParameters.getCondition())); + exitStatusCode = -1; + } + break; + case STATUS_CODE_CUSTOM: + if (!statusCode.equals(httpParameters.getCondition())) { + appendMessage(httpParameters.getUrl() + " statuscode: " + statusCode + ", Must be: " + httpParameters.getCondition()); + exitStatusCode = -1; + } + break; + default: + if (!"200".equals(statusCode)) { + appendMessage(httpParameters.getUrl() + " statuscode: " + statusCode + ", Must be: 200"); + exitStatusCode = -1; + } + break; + } + return exitStatusCode; + } + + public String getOutput() { + return output; + } + + protected void appendMessage(String message) { + if (output == null) { + output = ""; + } + if (message != null && !message.trim().isEmpty()) { + output += message; + } + } + + protected void addRequestParams(RequestBuilder builder,Map<String, Property> paramsMap) { + Iterator<Map.Entry<String, Property>> iter = paramsMap.entrySet().iterator(); + while (iter.hasNext()){ + Map.Entry<String, Property> en = iter.next(); + Property property = en.getValue(); + if (property.getValue() != null && property.getValue().length() > 0){ + if (property.getDirect().equals(Direct.IN)){ + builder.addParameter(property.getProp(), property.getValue()); + }else{ + if(CONTENT_TYPE.equals(property.getProp()) && property.getValue().contains(APPLICATION_JSON)){ + StringEntity postingString = null; + try { + postingString = new StringEntity("{}"); Review comment: You can just specify the Charset, to avoid the UnsupportedEncodingException, like: StringEntity a = new StringEntity("", Charsets.UTF_8); ---------------------------------------------------------------- This is an automated message from the Apache Git Service. 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