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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