在 Jenkins 管道脚本中找不到文件

File not found in Jenkins pipeline script

我正在尝试在我们的 Jenkins master 上 运行 有一个管道脚本,在远程 Jenkins 节点上执行。但是我遇到了一个奇怪的 FileNotFound 异常。

我能够重现问题的最基本的管道版本是:

node("remoteNode") {
env.SERVICE_VERSIONS_FILE = pwd() + '/service_versions.csv'
stage('Read file') {
  git credentialsId: '***', url: '***'      
  sh "cat $env.SERVICE_VERSIONS_FILE"
  new File(env.SERVICE_VERSIONS_FILE).each { line ->
    echo "$line"
   }
  }
}

这导致:

>java.io.FileNotFoundException: /home/***/workspace/DeploymentPipelines/test-deployer/service_versions.csv
> (No such file or directory)   at java.io.FileInputStream.open0(Native
> Method)   at java.io.FileInputStream.open(FileInputStream.java:195)   at
> java.io.FileInputStream.<init>(FileInputStream.java:138)  at
> groovy.util.CharsetToolkit.<init>(CharsetToolkit.java:71)     at
> org.codehaus.groovy.runtime.ResourceGroovyMethods.newReader(ResourceGroovyMethods.java:1572)
>   at
> org.codehaus.groovy.runtime.ResourceGroovyMethods.readLines(ResourceGroovyMethods.java:533)
>   at
> org.codehaus.groovy.runtime.typehandling.DefaultTypeTransformation.asCollection(DefaultTypeTransformation.java:461)
>   at
> org.codehaus.groovy.runtime.DefaultGroovyMethods.iterator(DefaultGroovyMethods.java:15955)
>   at org.codehaus.groovy.runtime.dgm7.doMethodInvoke(Unknown Source)
>   at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1213)
>   at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1022)
>   at
> org.codehaus.groovy.runtime.InvokerHelper.invokePojoMethod(InvokerHelper.java:913)
>   at
> org.codehaus.groovy.runtime.InvokerHelper.invokeMethod(InvokerHelper.java:904)
>   at
> org.codehaus.groovy.runtime.InvokerHelper.asIterator(InvokerHelper.java:573)
>   at org.codehaus.groovy.runtime.InvokerHelper$asIterator.call(Unknown
> Source)   at
> org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:48)
>   at
> org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:113)
>   at
> com.cloudbees.groovy.cps.sandbox.DefaultInvoker.methodCall(DefaultInvoker.java:20)
>   at
> com.cloudbees.groovy.cps.CpsDefaultGroovyMethods.each(CpsDefaultGroovyMethods:1890)
>   at WorkflowScript.run(WorkflowScript:8)     at
> ___cps.transform___(Native Method)    at com.cloudbees.groovy.cps.impl.ContinuationGroup.methodCall(ContinuationGroup.java:57)
>   at
> com.cloudbees.groovy.cps.impl.FunctionCallBlock$ContinuationImpl.dispatchOrArg(FunctionCallBlock.java:109)
>   at
> com.cloudbees.groovy.cps.impl.FunctionCallBlock$ContinuationImpl.fixArg(FunctionCallBlock.java:82)
>   at sun.reflect.GeneratedMethodAccessor324.invoke(Unknown Source)    at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>   at java.lang.reflect.Method.invoke(Method.java:498)     at
> com.cloudbees.groovy.cps.impl.ContinuationPtr$ContinuationImpl.receive(ContinuationPtr.java:72)
>   at
> com.cloudbees.groovy.cps.impl.LocalVariableBlock$LocalVariable.get(LocalVariableBlock.java:39)
>   at
> com.cloudbees.groovy.cps.LValueBlock$GetAdapter.receive(LValueBlock.java:30)
>   at
> com.cloudbees.groovy.cps.impl.LocalVariableBlock.evalLValue(LocalVariableBlock.java:28)
>   at
> com.cloudbees.groovy.cps.LValueBlock$BlockImpl.eval(LValueBlock.java:55)
>   at com.cloudbees.groovy.cps.LValueBlock.eval(LValueBlock.java:16)   at
> com.cloudbees.groovy.cps.Next.step(Next.java:83)  at
> com.cloudbees.groovy.cps.Continuable.call(Continuable.java:174)     at
> com.cloudbees.groovy.cps.Continuable.call(Continuable.java:163)     at
> org.codehaus.groovy.runtime.GroovyCategorySupport$ThreadCategoryInfo.use(GroovyCategorySupport.java:129)
>   at
> org.codehaus.groovy.runtime.GroovyCategorySupport.use(GroovyCategorySupport.java:268)
>   at com.cloudbees.groovy.cps.Continuable.run0(Continuable.java:163)
>   at
> org.jenkinsci.plugins.workflow.cps.CpsThread.runNextChunk(CpsThread.java:182)
>   at
> org.jenkinsci.plugins.workflow.cps.CpsThreadGroup.run(CpsThreadGroup.java:332)
>   at
> org.jenkinsci.plugins.workflow.cps.CpsThreadGroup.access0(CpsThreadGroup.java:83)
>   at
> org.jenkinsci.plugins.workflow.cps.CpsThreadGroup.call(CpsThreadGroup.java:244)
>   at
> org.jenkinsci.plugins.workflow.cps.CpsThreadGroup.call(CpsThreadGroup.java:232)
>   at
> org.jenkinsci.plugins.workflow.cps.CpsVmExecutorService.call(CpsVmExecutorService.java:64)
>   at java.util.concurrent.FutureTask.run(FutureTask.java:266)     at
> hudson.remoting.SingleLaneExecutorService.run(SingleLaneExecutorService.java:131)
>   at
> jenkins.util.ContextResettingExecutorService.run(ContextResettingExecutorService.java:28)
>   at
> jenkins.security.ImpersonatingExecutorService.run(ImpersonatingExecutorService.java:59)
>   at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
>   at java.util.concurrent.FutureTask.run(FutureTask.java:266)     at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
>   at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
>   at java.lang.Thread.run(Thread.java:748)   Finished: FAILURE

sh "cat $env.SERVICE_VERSIONS_FILE" returns 正确的结果(即 - 它打印文件的内容)。

管道在主服务器上执行时工作正常。感觉我可能会遗漏一些非常简单的东西?或者这是一个错误?

确认 service_versions.csv 在源代码管理中并首先检出到 Jenkins 工作区。

Jenkins 中的主从机制以及将作业绑定到从属的操作应确保将工作区复制到从属。您应该在文件系统上的位置下看到一个工作区,以配置从属存储文件。您应该能够在管理 Jenkins > 管理节点页面上找到它,然后查看节点的属性。

如果您的文件是 .NET 解决方案的一部分,并且文件属性未设置为“始终复制”,您也会遇到这些问题。

根据您的评论更新:

您的 cat 行在 env 前面包含一个“$”字符,但下一行没有:

new File(env.SERVICE_VERSIONS_FILE).each { line ->

看起来你在这一行的环境前面少了一个“$”,它应该是:

new File(${env.SERVICE_VERSIONS_FILE}).each { line ->

我不太确定它是如何或为什么起作用的,但我发现 and managed to solve the issue by using the readFile step https://jenkins.io/doc/pipeline/steps/workflow-basic-steps/#readfile-read-file-from-workspace 提到了这一点。

基本上,改变

 new File(env.SERVICE_VERSIONS_FILE).each { line ->

 readFile(env.SERVICE_VERSIONS_FILE).split("\n").each { line ->

而且有效。

编辑 正如 @zett42 在他们的评论中提到的,这显然是设计使然,在处理文件时,您应该只使用构建步骤 (readFile,writeFile)。 (https://issues.jenkins-ci.org/browse/JENKINS-37577?focusedCommentId=267445&page=com.atlassian.jira.plugin.system.issuetabpanels%3Acomment-tabpanel#comment-267445)

我通过提供我的 Jenkinsfile 的自定义路径解决了这个错误。