The DNS related logging means that the weave plugin does not return DNS
information, the agent uses the host resolv.conf for the container. So I
think is irrelevant to your problem.

Mesos requires that executor can talk to agent. Can you see if there is a
route from 10.32.0.1 to the agent IP?

On Tue, Aug 23, 2016 at 9:05 AM, Olivier Sallou <[email protected]>
wrote:

> HI,
>
> I have setup Mesos 1.0.0-2 to use CNI with Weave (1.6.1)
>
> Weave works nicely with the Docker containerizer.
>
> When I try to launch a task via my framework with unified containerizer,
> the job remains waiting forever (no RUNNING message). I can see however
> that weave cni allocated an IP address to Mesos.
>
> I tried with a simple mesos-execute test.
>
> Example with a mesos-execute with no CNI, everything is OK
>
>
> osallou@tifenn~/Development/NOSAVE/go-docker/weave $ sudo mesos-execute
> --command="sleep 2" -docker_image=centos:latest --master=127.0.0.1:5050
> --name=test0  I0823 17:56:50.067520 28815 scheduler.cpp:172] Version: 1.0.0
> I0823 17:56:50.068260 28822 scheduler.cpp:461] New master detected at
> [email protected]:5050
> Subscribed with ID 'b1925e13-76db-4225-a3dc-39ce65c79b3c-0005'
> Submitted task 'test0' to agent 'b1925e13-76db-4225-a3dc-39ce65c79b3c-S0'
> Received status update TASK_RUNNING for task 'test0'
>   source: SOURCE_EXECUTOR
> Received status update TASK_FINISHED for task 'test0'
>   message: 'Command exited with status 0'
>
>
> Sample example specifying the weave network
>
>
> osallou@tifenn~/Development/NOSAVE/go-docker/weave $ sudo mesos-execute
> --command="sleep 2" -docker_image=centos:latest --master=127.0.0.1:5050
> --name=test0   --networks=weave
> I0823 17:57:15.845304 28856 scheduler.cpp:172] Version: 1.0.0
> I0823 17:57:15.846248 28857 scheduler.cpp:461] New master detected at
> [email protected]:5050
> Subscribed with ID 'b1925e13-76db-4225-a3dc-39ce65c79b3c-0006'
> Submitted task 'test0' to agent 'b1925e13-76db-4225-a3dc-39ce65c79b3c-S0'
> ==> REMAINS WAITING HERE, job is in STAGING in Mesos UI
>
> mesos-slave logs:
>
> I0823 17:57:15.873872 26522 cni.cpp:716] Bind mounted
> '/proc/28869/ns/net' to
> '/run/mesos/isolators/network/cni/4f91a5df-2e9a-4cfc-93f5-aa197646db09/ns'
> for container 4f91a5df-2e9a-4cfc-93f5-aa197646db09
> I0823 17:57:16.257063 26519 cni.cpp:1109] Got assigned IPv4 address
> '10.32.0.1/12' from CNI network 'weave' for container
> 4f91a5df-2e9a-4cfc-93f5-aa197646db09
> I0823 17:57:16.257258 26525 cni.cpp:838] Unable to find DNS nameservers
> for container 4f91a5df-2e9a-4cfc-93f5-aa197646db09. Using host
> '/etc/resolv.conf'
>
> There are no other logs until I kill the job.
> We can see that Mesos container got an IP but it seems to block on DNS,
>
> Thanks for hints....
>
> --
>
> gpg key id: 4096R/326D8438  (keyring.debian.org)
> Key fingerprint = 5FB4 6F83 D3B9 5204 6335  D26D 78DC 68DB 326D 8438
>
>
>

Reply via email to