Jenkins RESTful API 定制化
1.背景Jenkins具有丰富的插件生态，足以满足我们日常工作的需求；如果我们想通过具体的Jenkins任务直接对外提供服务，而我们不想将内部的具体实现对外暴露(否则，需添加对应的用户权限，通过页面执行job)；可以对外直接提供接口，第三方直接调用接口（比如提供给开发，提测前回归冒烟用例集），执行相应的Jenkins任务并获取任务结果。2.Jenkins原生Remote access APIJenkins提供了原生的Remote accsee API, 主要用来做：1.检索Jenkins中信息2.触发新构建
3.创建/复制任务
实例：获取项目FastTest信息：
curl -u user:pwd -X POST http://ip:port/jenkins/job/FastTest/api/xml
并支持Xpath进行信息提取,详见 https://issues.jenkins-ci.org/browse/JENKINS-626
触发新的构建（带参数构建）：
curl -u user:pwd -X POST http://ip:port/jenkins/job/FastTest/buildWithParameters -d "environment=运行环境&module=模块&mailer=收件人"
该接口响应头信息：
* upload completely sent off: 94 out of 94 bytes
< HTTP/1.1 201 Created
< Server: Apache-Coyote/1.1
< X-Content-Type-Options: nosniff
< Location: http://ip:port/jenkins/queue/item/111/
< Content-Length: 0
< Date: Wed, 05 Oct 2016 07:39:39 GMT
<
* Connection #0 to host 10.210.228.50 left intact
但是该接口无任何返回信息。
完整的Remote access API wiki 可以通过如下获取：curl-u user:pwd -X POST http://ip:port/jenkins/job/FastTest/api/ > /Users/hugang/Desktop/jenkins_api_wiki.html原生的接口，功能较为简单、不友好，需封装Jenkins的api，提供有价值的接口返回信息。3.Jenkins api wrappersJenkins api wrappers有多种编程语言实现, 可以很方便的操作Jenkins，具体如下：Node.js: https://www.npmjs.com/package/jenkins-apiruby: https://rubygems.org/gems/jenkins_api_clientpython: https://pypi.python.org/pypi/python-jenkins/java: https://github.com/jenkinsci/java-client-api本文将使用java的Jenkins api wrappers：java-client-api作为介绍，定制适合自己的Jenkins RESTful API.4.定制Jenkins RESTful API新建一个Maven webapp工程，工程pom.xml中添加java-client-api依赖：<dependency>
<groupId>com.offbytwo.jenkins</groupId>
<artifactId>jenkins-client</artifactId>
<version>0.3.6</version>
</dependency>
项目使用Spring RESTful web serviceController层执行用例接口：package com.weibo.qa.fasttestapi.controller;
import com.weibo.qa.fasttestapi.model.RunInfo;
import com.weibo.qa.fasttestapi.service.EmailSuffixService;
import com.weibo.qa.fasttestapi.service.FastTestJenkinsService;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
/**
*
* 接口/fasttest/run:
*
* params:
*
* env 测试环境
* module 模块
* email 收件人
*
*
* result:
*
* {"result":true,"jobId":int值}
*
* Created by hugang on 16/9/19.
*/
@RestController
public class RunController {
@RequestMapping(value = "/fasttest/run.json", method = RequestMethod.POST)
public RunInfo runFasttest(@RequestParam(value = "env", required = true) String env,
@RequestParam(value = "module", required = true, defaultValue = "BVT") String module,
@RequestParam(value = "email", required = true, defaultValue = "hugang") String email){
FastTestJenkinsService fastTestJenkinsService = new FastTestJenkinsService();
// 增加邮箱后缀
EmailSuffixService emailSuffix = new EmailSuffixService();
String receiver = emailSuffix.addEmailSuffix(email);
int jobId = fastTestJenkinsService.buildJob(env, module, receiver);
RunInfo runInfo = new RunInfo();
runInfo.setJobId(jobId);
runInfo.setResult(true);
return runInfo;
}
}
根据jobId判断是否执行结束接口：package com.weibo.qa.fasttestapi.controller;
import com.weibo.qa.fasttestapi.model.FinishInfo;
import com.weibo.qa.fasttestapi.service.FastTestJenkinsService;
import org.springframework.web.bind.annotation.*;
/**
* Created by hugang on 16/9/20.
*/
@RestController
public class FinishController {
@RequestMapping(value = "/fasttest/finish.json",method = RequestMethod.GET)
public @ResponseBody
FinishInfo isFinish(@RequestParam(value = "job_id", required = true)int job_id) {
FastTestJenkinsService fastTestJenkinsService = new FastTestJenkinsService();
boolean isFinish = fastTestJenkinsService.isJobFinish(job_id);
FinishInfo finishInfo = new FinishInfo();
finishInfo.setFinished(isFinish);
return finishInfo;
}
}
service层执行具体的业务:FastTestJenkinsService.javapackage com.weibo.qa.fasttestapi.service;
import com.offbytwo.jenkins.JenkinsServer;
import com.offbytwo.jenkins.model.Job;
import com.offbytwo.jenkins.model.JobWithDetails;
import java.net.URI;
import java.util.HashMap;
import java.util.Map;
/**
* Created by hugang on 16/9/19.
*/
public class FastTestJenkinsService {
/**
*
* @param env 测试环境
* @param module 测试模块
* @param email收件人
* @return jobId
*/
public int buildJob(String env, String module, String email) {
int buildNumber = 0;
try{
JenkinsServer jenkinsServer = new JenkinsServer(new URI("http://ip:port/jenkins"), "test", "pwd");
Map<String, Job> jobs = jenkinsServer.getJobs();
JobWithDetails job = jobs.get("FastTest").details();
// 即将执行任务的jobId
buildNumber = job.getNextBuildNumber();
// 参数化构建
Map<String, String> params = new HashMap<String, String>();
params.put("environment", env);
params.put("module", module);
params.put("mailer", email);
job.build(params);
}catch (Exception e){
e.printStackTrace();
} finally {
}
return buildNumber;
}
/**
*
* @param jobId
* @return 是否执行结束
*/
public boolean isJobFinish(int jobId){
if(jobId <=0){
throw new IllegalArgumentException("jodId must greater than 0!");
}
try{
JenkinsServer jenkinsServer = new JenkinsServer(new URI("http://ip:port/jenkins"), "user", "pwd");
Map<String, Job> jobs = jenkinsServer.getJobs();
JobWithDetails job = jobs.get("FastTest").details();
boolean isBuilding = job.getBuildByNumber(jobId).details().isBuilding();
return !isBuilding;
} catch (Exception e){
e.printStackTrace();
} finally{
}
return false;
}
model层执行用例返回数据：RunInfo.javapackage com.weibo.qa.fasttestapi.model;
/**
* 执行用例接口返回的数据
* Created by hugang on 16/9/19.
*/
public class RunInfo {
private boolean result;
private int jobId;
public boolean isResult() {
return result;
}
public void setResult(boolean result) {
this.result = result;
}
public int getJobId() {
return jobId;
}
public void setJobId(int jobId) {
this.jobId = jobId;
}
}
查看jobId对应的任务是否结束：FinishInfo.java
package com.weibo.qa.fasttestapi.model;
/**
* 查看执行用例是否结束
* Created by hugang on 16/9/19.
*/
public class FinishInfo {
private boolean finished;
public boolean isFinished() {
return finished;
}
public void setFinished(boolean finished) {
this.finished = finished;
}
}
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