Jenkins是一个很强大的持续集成的工具,除了在Jenkins的页面上我们可以去构建我们的job,我们也可以通过java代码来通过调用jenkins的api来做一些事情,使得我们的java web项目更加便捷,下面是我的一个工具类。

package com.vip.webpagetest.utils;

import java.io.InputStream;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.apache.http.Consts;
import org.apache.http.HttpEntity;
import org.apache.http.NameValuePair;
import org.apache.http.auth.AuthScope;
import org.apache.http.auth.UsernamePasswordCredentials;
import org.apache.http.client.CredentialsProvider;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.protocol.HttpClientContext;
import org.apache.http.entity.InputStreamEntity;
import org.apache.http.impl.client.BasicCredentialsProvider;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.util.EntityUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.core.io.ClassPathResource;
import org.springframework.core.io.Resource;

import static com.jayway.restassured.path.json.JsonPath.with;

public class JenkinsUtil {

	private static final Logger logger = LoggerFactory.getLogger(JenkinsUtil.class);
	String jenkinsBaseUrl = ClassPathPropertiesUtils.getProperty("jenkins.baseurl");
	String userName = ClassPathPropertiesUtils.getProperty("jenkins.userName");
	String apiToken = ClassPathPropertiesUtils.getProperty("jenkins.apiToken");
	private CloseableHttpClient httpClient = HttpClientPool.getHttpClient();

	/**
	 * 创建Jenkins Job
	 * 
	 * @param jobName
	 * @throws Exception
	 */
	public void creatJenkinsJob(String jobName) {
		if (isJenkinsJobExist(jobName)) {
			logger.info("已经存在job:" + jobName);
		} else {
			HttpPost httpPost = new HttpPost(jenkinsBaseUrl + "/createItem?name=" + jobName);
			Resource resource = new ClassPathResource("config.xml");
			try {
				InputStream fileInput = resource.getInputStream();
				InputStreamEntity entity = new InputStreamEntity(fileInput);
				entity.setContentEncoding("UTF-8");
				entity.setContentType("text/xml");
				httpPost.setEntity(entity);
				httpClient.execute(httpPost, this.getHttpClientContext());
			} catch (Exception e) {
				e.printStackTrace();
			}
			logger.info("成功创建job:" + jobName);
		}
	}

	/**
	 * 查询是否存在名为jobName的job
	 * 
	 * @param jobName
	 * @return
	 * @throws Exception
	 */
	public boolean isJenkinsJobExist(String jobName) {
		HttpGet httpGet = new HttpGet(jenkinsBaseUrl + "/api/json");
		CloseableHttpResponse rsp = null;
		try {
			rsp = httpClient.execute(httpGet, this.getHttpClientContext());
			HttpEntity entity = rsp.getEntity();
			String result = EntityUtils.toString(entity);
			List<String> jobList = with(result).getList("jobs.name");
			for (String job : jobList) {
				if (jobName.equals(job)) {
					return true;
				}
			}
		} catch (Exception e) {
			logger.error(null, e);
			return false;
		}
		return false;
	}

	/**
	 * 删除Jenkins Job
	 * 
	 * @param jobName
	 * @throws Exception
	 */
	public void deleteJenkinsJob(String jobName) {
		if (!isJenkinsJobExist(jobName)) {
			logger.info("不存在job:" + jobName);
		} else {
			HttpPost httpPost = new HttpPost(jenkinsBaseUrl + "/job/" + jobName + "/doDelete");
			try {
				httpClient.execute(httpPost, this.getHttpClientContext());
			} catch (Exception e) {
				e.printStackTrace();
			}
		}
	}

	/**
	 * 构建触发Jenkins Job
	 * 
	 * @param jobName
	 * @throws Exception
	 */
	public boolean buildJenkinsJob(String jobName) {
		if (!isJenkinsJobExist(jobName)) {
			logger.info("不存在job:" + jobName);
			return false;
		} else {
			HttpPost httpPost = new HttpPost(jenkinsBaseUrl + "/job/" + jobName + "/build");
			try {
				httpClient.execute(httpPost, this.getHttpClientContext());
			} catch (Exception e) {
				e.printStackTrace();
				return false;
			}
		}
		return true;
	}

	/**
	 * 带参数的构建
	 * 
	 * @param jobName
	 * @param parameters
	 * @return
	 */
	public boolean buildJenkinsJobWithParameters(String jobName, Map<String, String> parameters) {
		if (!isJenkinsJobExist(jobName)) {
			logger.info("不存在job:" + jobName);
			return false;
		} else {
			HttpPost httpPost = new HttpPost(jenkinsBaseUrl + "/job/" + jobName + "/buildWithParameters");
			List<NameValuePair> formparams = new ArrayList<NameValuePair>();
			for (String key : parameters.keySet()) {
				formparams.add(new BasicNameValuePair(key, parameters.get(key)));
			}
			UrlEncodedFormEntity urlEntity = new UrlEncodedFormEntity(formparams, Consts.UTF_8);
			CloseableHttpResponse rsp = null;
			try {
				httpPost.setEntity(urlEntity);
				rsp = httpClient.execute(httpPost, this.getHttpClientContext());
			} catch (Exception e) {
				logger.error(null, e);
				return false;
			}
			return true;
		}
	}

	/**
	 * 终止Jenkins Job构建
	 * 
	 * @param jobName
	 * @return
	 * @throws Exception
	 */
	public boolean stopJenkinsJob(String jobName) {
		if (!isJenkinsJobExist(jobName)) {
			logger.info("不存在job:" + jobName);
			return false;
		} else {
			HttpPost httpPost = new HttpPost(jenkinsBaseUrl + "/job/" + jobName + "/api/json");
			CloseableHttpResponse resp = null;
			try {
				resp = httpClient.execute(httpPost, this.getHttpClientContext());
				HttpEntity entity = resp.getEntity();
				String result = EntityUtils.toString(entity);
				int buildNumber = with(result).get("lastBuild.number");
				HttpPost stopJenkinsRequest = new HttpPost(
						jenkinsBaseUrl + "/job/" + jobName + "/" + buildNumber + "/stop");
				httpClient.execute(stopJenkinsRequest, this.getHttpClientContext());
			} catch (Exception e) {
				e.printStackTrace();
				return false;
			}
			return true;
		}
	}

	private HttpClientContext getHttpClientContext() {
		HttpClientContext httpClientContext = HttpClientContext.create();
		httpClientContext.setCredentialsProvider(this.getCredentialsProvider());
		// httpClientContext.setAuthCache(this.getAuthCache());
		return httpClientContext;
	}

	private CredentialsProvider getCredentialsProvider() {
		CredentialsProvider credsProvider = new BasicCredentialsProvider();
		credsProvider.setCredentials(new AuthScope(AuthScope.ANY), new UsernamePasswordCredentials(userName, apiToken));
		return credsProvider;
	}

	public static void main(String[] args) throws Exception {
		Map<String, String> parameters = new HashMap<String, String>();
		parameters.put("domain", "xxx");
		parameters.put("run_id", "222");
		JenkinsUtil test = new JenkinsUtil();
		test.buildJenkinsJobWithParameters("xxx", parameters);
	}
}


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