Hmmm, of course I found https://issues.jenkins-ci.org/browse/JENKINS-41668
a couple of minutes later...
On Sunday, 5 February 2017 20:50:16 UTC+1, Staffan Forsell wrote:
>
> I have an normal pipeline that looks like this:
>
> #!groovy
> node('docker_host') {
> stage("checkout") {
> p4sync credential: 'superSecretCred', depotPath: '//path'
> }
> def myEnv
> stage("docker build") {
> myEnv = docker.build("mytag", "utils/docker")
> }
> myEnv.inside {
> stage("build") {
> sh "./gradle"
> }
> }
> }
>
> It builds a docker image and run the build stage in this image. The only
> non-standard stuff is that the Dockerfile is not in the root but in the
> "utils/docker" subdir to reduce the build context for docker.
> I'm trying to convert this to a declarative pipeline but I can't find a
> way to get it to accept the Dockerfile in a separate dir. Normally this is
> done by adding the "utils/build" at the end of the docker build command.
> My converted attempt looks like this:
>
> pipeline {
> agent {
> label "docker_host"
> }
> stages {
> stage("Checkout") {
> steps {
> p4sync credential: 'superSecretCred', depotPath: '//path'
> }
> }
> stage("Echo world") {
> agent {
> dockerfile {
> label "docker_host"
> args "utils/docker"
> // dockerfile "utils/docker/Dockerfile"
> }
> }
> steps {
> sh "./gradle"
> }
> }
> }
> }
>
> This fails with
> java.io.IOException: java.io.FileNotFoundException:
> /jenkins/workspace/test-job-declarative@2/Dockerfile (No such file or
> directory)
> at hudson.remoting.FastPipedInputStream.read(FastPipedInputStream.java:169)
> at sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:283)
> at sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:325)
> at sun.nio.cs.StreamDecoder.read(StreamDecoder.java:177)
> at java.io.InputStreamReader.read(InputStreamReader.java:184)
> at java.io.Reader.read(Reader.java:140)
> at org.apache.commons.io.IOUtils.copyLarge(IOUtils.java:2001)
> at org.apache.commons.io.IOUtils.copyLarge(IOUtils.java:1980)
> at org.apache.commons.io.IOUtils.copy(IOUtils.java:1957)
> at org.apache.commons.io.IOUtils.copy(IOUtils.java:1907)
> at org.apache.commons.io.IOUtils.toString(IOUtils.java:778)
> at org.apache.commons.io.IOUtils.toString(IOUtils.java:803)
> at
> org.jenkinsci.plugins.workflow.steps.ReadFileStep$Execution.run(ReadFileStep.java:89)
> at
> org.jenkinsci.plugins.workflow.steps.ReadFileStep$Execution.run(ReadFileStep.java:81)
> at
> org.jenkinsci.plugins.workflow.steps.AbstractSynchronousNonBlockingStepExecution$1$1.call(AbstractSynchronousNonBlockingStepExecution.java:47)
> at hudson.security.ACL.impersonate(ACL.java:221)
> at
> org.jenkinsci.plugins.workflow.steps.AbstractSynchronousNonBlockingStepExecution$1.run(AbstractSynchronousNonBlockingStepExecution.java:44)
> at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
> at java.util.concurrent.FutureTask.run(FutureTask.java:262)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> at java.lang.Thread.run(Thread.java:745)
> Caused by: java.io.FileNotFoundException:
> /jenkins/workspace/test-job-declarative@2/Dockerfile (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 hudson.FilePath$33.invoke(FilePath.java:1789)
> at hudson.FilePath$33.invoke(FilePath.java:1782)
> at hudson.FilePath$FileCallableWrapper.call(FilePath.java:2772)
> at hudson.remoting.UserRequest.perform(UserRequest.java:153)
> at hudson.remoting.UserRequest.perform(UserRequest.java:50)
> at hudson.remoting.Request$2.run(Request.java:332)
> at
> hudson.remoting.InterceptingExecutorService$1.call(InterceptingExecutorService.java:68)
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> ... 1 more
>
> Using the dockerfile closure, it's unclear if args is for the build
> command or the subsequent run command (my guess is the latter).
> Anybody know a way to use a Dockerfile that's not in the root? Or is it
> not supported (yet)?
>
> /Thanks Staffan
>
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