Thanks for your response! Mounting /sys did the job, cgroups are working, but now mesos-slave is just crushing after detecting new master or so (there's nothing useful in the logs - is there a way to make them more verbose?)
Last lines of logs from mesos-slave: I0923 10:03:24.079859 10 detector.cpp:426] A new leading master (UPID= [email protected]:5050) is detected I0923 10:03:26.076053 9 slave.cpp:3195] Finished recovery I0923 10:03:26.076505 9 slave.cpp:589] New master detected at [email protected]:5050 I0923 10:03:26.076732 9 slave.cpp:625] No credentials provided. Attempting to register without authentication I0923 10:03:26.076812 9 slave.cpp:636] Detecting new master I0923 10:03:26.076864 9 status_update_manager.cpp:167] New master detected at [email protected]:5050 There's no problem in running mesos-master in the container(at least there wasn't any in my case, for now) On 23 September 2014 09:41, Tim Chen <[email protected]> wrote: > Hi Grzegorz, > > To run Mesos master|slave in a docker container is not straight forward > because we utilize kernel features therefore you need to explicitly test > out the features you like to use with Mesos with slave/master in Docker. > > Gabriel during the Mesosphere hackathon has got master and slave running > in docker containers, and he can probably share his Dockerfile and run > command. > > I believe one work around to get cgroups working with Docker run is to > mount /sys into the container (mount -v /sys:/sys). > > Gabriel do you still have the command you used to run slave/master with > Docker? > > Tim > > > > On Tue, Sep 23, 2014 at 12:24 AM, Grzegorz Graczyk <[email protected]> > wrote: > >> I'm trying to run mesos-slave inside Docker container, but it can't start >> due to problem with mounting cgroups. >> >> I'm using: >> Kernel Version: 3.13.0-32-generic >> Operating System: Ubuntu 14.04.1 LTS >> Docker: 1.2.0(commit fa7b24f) >> Mesos: 0.20.0 >> >> Following error appears: >> I0923 07:11:20.921475 19 main.cpp:126] Build: 2014-08-22 05:04:26 by >> root >> I0923 07:11:20.921608 19 main.cpp:128] Version: 0.20.0 >> I0923 07:11:20.921620 19 main.cpp:131] Git tag: 0.20.0 >> I0923 07:11:20.921628 19 main.cpp:135] Git SHA: >> f421ffdf8d32a8834b3a6ee483b5b59f65956497 >> Failed to create a containerizer: Could not create DockerContainerizer: >> Failed to find a mounted cgroups hierarchy for the 'cpu' subsystem; you >> probably need to mount cgroups manually! >> >> I'm running docker container with command: >> docker run --name mesos-slave --privileged --net=host -v >> /var/run/docker.sock:/var/run/docker.sock -v >> /var/lib/docker:/var/lib/docker -v >> /usr/local/bin/docker:/usr/local/bin/docker gregory90/mesos-slave >> --containerizers=docker,mesos --master=zk://localhost:2181/mesos >> --ip=127.0.0.1 >> >> Everything is running on single machine. >> Everything works as expected when mesos-slave is run outside docker >> container. >> >> I'd appreciate some help. >> > >
