public static Job createJob(
JobContext jobContext,
JobBean jobBean,
JobHistory history,
String workDir,
ApplicationContext applicationContext) {
jobContext.setJobHistory(history);
jobContext.setWorkDir(workDir);
HierarchyProperties hp = jobBean.getHierarchyProperties();
if (history.getProperties() != null && !history.getProperties().isEmpty()) {
history.getLog().appendZeus("This job hava instance configs:");
for (String key : history.getProperties().keySet()) {
hp.setProperty(key, history.getProperties().get(key));
history.getLog().appendZeus(key + "=" + history.getProperties().get(key));
}
}
jobContext.setProperties(new RenderHierarchyProperties(hp));
List<Map<String, String>> resources = jobBean.getHierarchyResources();
String script = jobBean.getJobDescriptor().getScript();
/// *************************update run date 2014-09-18**************
String dateStr = history.getJobId().substring(0, 16);
System.out.println("Manual Job run date :" + dateStr);
if (dateStr != null && dateStr.length() == 16) {
script = RenderHierarchyProperties.render(script, dateStr);
System.out.println("Manual Job script :" + script);
}
/// *********************************************************
// 处理脚本中的 资源引用 语句
if (jobBean.getJobDescriptor().getJobType().equals(JobRunType.Shell)
|| jobBean.getJobDescriptor().getJobType().equals(JobRunType.Hive)) {
script = resolvScriptResource(resources, script, applicationContext);
jobBean.getJobDescriptor().setScript(script);
}
jobContext.setResources(resources);
if (dateStr != null && dateStr.length() == 16) {
script = replace(jobContext.getProperties().getAllProperties(dateStr), script);
} else {
script = replace(jobContext.getProperties().getAllProperties(), script);
}
System.out.println("Manual Job last script :" + script);
script = replaceScript(history, script);
hp.setProperty(PropertyKeys.JOB_SCRIPT, script);
/*// 添加宙斯标记属性，提供给云梯
hp.setProperty("hadoop.mapred.job.zues_id",
"zeus_job_" + history.getJobId() + "_" + history.getId());
*/
// 前置处理Job创建
List<Job> pres =
parseJobs(
jobContext,
applicationContext,
jobBean,
jobBean.getJobDescriptor().getPreProcessers(),
history,
workDir);
pres.add(0, new DownloadJob(jobContext));
// 后置处理Job创建
List<Job> posts =
parseJobs(
jobContext,
applicationContext,
jobBean,
jobBean.getJobDescriptor().getPostProcessers(),
history,
workDir);
posts.add(new ZooKeeperJob(jobContext, null, applicationContext));
// 核心处理Job创建
Job core = null;
if (jobBean.getJobDescriptor().getJobType() == JobRunType.MapReduce) {
core = new MapReduceJob(jobContext);
} else if (jobBean.getJobDescriptor().getJobType() == JobRunType.Shell) {
core = new HadoopShellJob(jobContext);
} else if (jobBean.getJobDescriptor().getJobType() == JobRunType.Hive) {
core = new HiveJob(jobContext, applicationContext);
}
Job job = new WithProcesserJob(jobContext, pres, posts, core, applicationContext);
return job;
}
private static List<Job> parseJobs(
JobContext jobContext,
ApplicationContext applicationContext,
JobBean jobBean,
List<Processer> ps,
JobHistory history,
String workDir) {
List<Job> jobs = new ArrayList<Job>();
Map<String, String> map = jobContext.getProperties().getAllProperties();
Map<String, String> newmap = new HashMap<String, String>();
try {
for (String key : map.keySet()) {
String value = map.get(key);
if (value != null) {
if (StringUtils.isNotEmpty(history.getStatisEndTime())
&& StringUtils.isNotEmpty(history.getTimezone())) {
value = value.replace("${j_set}", history.getStatisEndTime());
value =
value.replace(
"${j_est}",
DateUtil.string2Timestamp(history.getStatisEndTime(), history.getTimezone())
/ 1000
+ "");
map.put(key, value);
}
newmap.put("${" + key + "}", value);
}
}
} catch (ParseException e) {
Log.warn("parse job end time to timestamp failed", e);
}
for (Processer p : ps) {
String config = p.getConfig();
if (config != null && !"".equals(config.trim())) {
for (String key : newmap.keySet()) {
String old = "";
do {
old = config;
String value = newmap.get(key).replace("\"", "\\\"");
config = config.replace(key, value);
} while (!old.equals(config));
}
p.parse(config);
}
if (p instanceof DownloadProcesser) {
jobs.add(new DownloadJob(jobContext));
} else if (p instanceof ZooKeeperProcesser) {
ZooKeeperProcesser zkp = (ZooKeeperProcesser) p;
if (!zkp.getUseDefault()) {
jobs.add(new ZooKeeperJob(jobContext, (ZooKeeperProcesser) p, applicationContext));
}
} else if (p instanceof MailProcesser) {
jobs.add(new MailJob(jobContext, (MailProcesser) p, applicationContext));
} else if (p instanceof WangWangProcesser) {
jobs.add(new WangWangJob(jobContext));
} else if (p instanceof OutputCheckProcesser) {
jobs.add(new OutputCheckJob(jobContext, (OutputCheckProcesser) p, applicationContext));
} else if (p instanceof OutputCleanProcesser) {
jobs.add(new OutputCleanJob(jobContext, (OutputCleanProcesser) p, applicationContext));
} else if (p instanceof HiveProcesser) {
jobs.add(new HiveProcesserJob(jobContext, (HiveProcesser) p, applicationContext));
} else if (p instanceof JobProcesser) {
Integer depth = (Integer) jobContext.getData("depth");
if (depth == null) {
depth = 0;
}
if (depth < 2) { // job 的递归深度控制，防止无限递归
JobProcesser jobProcesser = (JobProcesser) p;
GroupManager groupManager = (GroupManager) applicationContext.getBean("groupManager");
JobBean jb = groupManager.getUpstreamJobBean(jobProcesser.getJobId());
if (jb != null) {
for (String key : jobProcesser.getKvConfig().keySet()) {
if (jobProcesser.getKvConfig().get(key) != null) {
jb.getJobDescriptor().getProperties().put(key, jobProcesser.getKvConfig().get(key));
}
}
File direcotry =
new File(workDir + File.separator + "job-processer-" + jobProcesser.getJobId());
if (!direcotry.exists()) {
direcotry.mkdirs();
}
JobContext sub = new JobContext(jobContext.getRunType());
sub.putData("depth", ++depth);
Job job = createJob(sub, jb, history, direcotry.getAbsolutePath(), applicationContext);
jobs.add(job);
}
} else {
jobContext.getJobHistory().getLog().appendZeus("递归的JobProcesser处理单元深度过大，停止递归");
}
}
}
return jobs;
}