It depends on the executor how the `TaskInfo` is used. The default executor (i.e. `TaskInfo.executor` isn't set) will start a container per task -- as documented here: http://mesos.apache.org/documentation/latest/app-framework-development-guide/ .
Cheers, Jan On Fri, Aug 4, 2017 at 2:55 PM, Thodoris Zois <[email protected]> wrote: > Hello Jan, > > You are completely right.. If i set the docker image at taskInfo it is > running properly. The reason that i wanted to add the docker image as an > executor is because i would like to have one task per container. If i > setContainer at taskInfo every task is going to run under the same > container? Or each task will have its own container? I would like to > provide an isolation between docker containers and tasks to my framework. > > Thank you, > Thodoris > > On 4 Aug 2017, at 15:50, Jan Schlicht <[email protected]> wrote: > > Hey Thodoris, > > when you set a container for the executor (the `ExecutorInfo.container` > field), this container is expected to provide an executor, i.e. connects > and communicates with the Mesos agent that started the executor to run a > task. `echo hello world` doesn't do this, that's why you see the > EXECUTOR_TERMINATED message. > > Cheers > Jan > > On Fri, Aug 4, 2017 at 1:44 PM, Thodoris Zois <[email protected]> wrote: > >> Hello list, >> >> I am developing my own framework and i got a problem with docker images. >> >> I am creating a task that will have assigned a docker image as executor. >> The purpose of doing this is because i want to have one task per docker >> container. I have set a TaskInfo with executor a `docker image`. In the >> image i am just running `echo hello world!`. Every task that uses `Executor >> docker image` is in state `TASK_FAILED with reason EXECUTOR_TERMINATED -> >> Container terminated`. I don't get any status update message `TASK_RUNNING` >> and the image is running properly. Even at the output of stdout i get the >> message `Hello world!`. I think that the task is not getting in my >> container. But it gets the proper executorID. >> >> This is my master log: https://pastebin.com/5yB7KR28 < >> https://pastebin.com/5yB7KR28> >> >> This is my slave log: https://pastebin.com/sKPz949J < >> https://pastebin.com/sKPz949J> >> >> And this is my protobuf: https://pastebin.com/YG3J7Fi0 < >> https://pastebin.com/YG3J7Fi0> >> >> >> Any help would be appreciated! >> >> Thank you, >> Thodoris >> >> >> > > > -- > *Jan Schlicht* > Distributed Systems Engineer, Mesosphere > > > -- *Jan Schlicht* Distributed Systems Engineer, Mesosphere
