On Thu, May 6, 2021 at 4:58 AM Nir Gazit <nir....@gmail.com> wrote: > Hey, > Not sure I follow - from the code you sent me, it seems that the > environment is chosen according to the pipeline options > (JAVA_SDK_HARNESS_ENVIRONMENT is used by createOrGetDefaultEnvironment only > AFAIU). So if I'm passing `--environment_type=EXTERNAL` why wouldn't I get > to using an external env as in line 152 there? > > Did you mean that you set a Python pipeline option ? Note that Python pipeline options do not automatically get converted to Java pipeline options when using cross-language transforms.
> Nir > > On Wed, May 5, 2021 at 12:07 AM Chamikara Jayalath <chamik...@google.com> > wrote: > >> When you use cross-language Java transforms from Python we use the >> default environment for Java transforms which always gets set to Docker. >> >> https://github.com/apache/beam/blob/7f0d11e65bbcd3e9c565a50aa6a56c0631c4358b/sdks/java/expansion-service/src/main/java/org/apache/beam/sdk/expansion/service/ExpansionService.java#L447 >> >> https://github.com/apache/beam/blob/7f0d11e65bbcd3e9c565a50aa6a56c0631c4358b/runners/core-construction-java/src/main/java/org/apache/beam/runners/core/construction/Environments.java#L134 >> >> I don't think we support running Java cross-language transforms in other >> environments yet. >> >> Thanks, >> Cham >> >> On Tue, May 4, 2021 at 12:30 PM Nir Gazit <nir....@gmail.com> wrote: >> >>> But looking at the code of the exception >>> <https://github.com/apache/beam/blob/master/runners/java-fn-execution/src/main/java/org/apache/beam/runners/fnexecution/control/DefaultJobBundleFactory.java#L252> >>> it >>> seems that it tries to use docker only because it thinks it's in a docker >>> environment, no? Shouldn't it use the external environment (that's available >>> there as well >>> <https://github.com/apache/beam/blob/master/runners/java-fn-execution/src/main/java/org/apache/beam/runners/fnexecution/control/DefaultJobBundleFactory.java#L252>) >>> if it got that in PipelineOptions? >>> >>> Otherwise, how can I have docker on a k8s pod? I couldn't seem to find >>> any examples for that and saw that it's highly unrecommended. >>> >>> Thanks! >>> Nir >>> >>> On Tue, May 4, 2021 at 9:08 PM Chamikara Jayalath <chamik...@google.com> >>> wrote: >>> >>>> Ah, I think you need the DOCKER environment to use cross-language >>>> transforms not the EXTERNAL environment (agree that the terminology is >>>> confusing). >>>> >>>> On Tue, May 4, 2021 at 11:04 AM Nir Gazit <nir....@gmail.com> wrote: >>>> >>>>> Yes that’s on purpose. I’m running in Kubernetes which makes it hard >>>>> to install docker on the pods so I don’t want to use the docker >>>>> environment. That’s why I specified EXTERNAL environment in >>>>> PipelineOptions. However, it seems that it doesn’t get propagated. >>>>> >>>>> On Tue, 4 May 2021 at 20:59 Chamikara Jayalath <chamik...@google.com> >>>>> wrote: >>>>> >>>>>> Is it possible that you don't have the "docker" command available in >>>>>> your system ? >>>>>> >>>>>> On Tue, May 4, 2021 at 10:28 AM Nir Gazit <nir....@gmail.com> wrote: >>>>>> >>>>>>> Hey, >>>>>>> I'm trying to run a pipeline with a Kafka Source, using an EXTERNAL >>>>>>> environment. However, when the pipeline is run, the error below is >>>>>>> thrown, >>>>>>> which implies that for some reason the external environment pipeline >>>>>>> options didn't get in. When replacing the Kafka Source with an S3 source >>>>>>> (for example) I don't get this error so it implies that it's >>>>>>> somewhere around the external transform / expansion service area. How >>>>>>> can I >>>>>>> debug this? >>>>>>> >>>>>>> Caused by: java.io.IOException: Cannot run program "docker": >>>>>>> error=2, No such file or directory >>>>>>> at java.lang.ProcessBuilder.start(ProcessBuilder.java:1048) >>>>>>> at >>>>>>> org.apache.beam.runners.fnexecution.environment.DockerCommand.runShortCommand(DockerCommand.java:189) >>>>>>> at >>>>>>> org.apache.beam.runners.fnexecution.environment.DockerCommand.runShortCommand(DockerCommand.java:171) >>>>>>> at >>>>>>> org.apache.beam.runners.fnexecution.environment.DockerCommand.runImage(DockerCommand.java:95) >>>>>>> at >>>>>>> org.apache.beam.runners.fnexecution.environment.DockerEnvironmentFactory.createEnvironment(DockerEnvironmentFactory.java:131) >>>>>>> at >>>>>>> org.apache.beam.runners.fnexecution.control.DefaultJobBundleFactory$1.load(DefaultJobBundleFactory.java:252) >>>>>>> at >>>>>>> org.apache.beam.runners.fnexecution.control.DefaultJobBundleFactory$1.load(DefaultJobBundleFactory.java:231) >>>>>>> >>>>>>