Mesos deployed from Rancher template is too old. How to get new?

Rancher 1.x
1

Hi,

I’m evaluating Rancher for the purpose of managing containerized workloads. Generally it looks very good and the whole idea of the tool is very attractive.

But I have some problems with Mesos environment deployed from Rancher 1.3.3 on CentOS 7:

  1. Mesos is too old: 0.28.1
  2. Marathon is too old: 1.1.1
  3. Mesos discovered only half of the compute resources available on my agent machines (1 of 2 available cores, half memory available). I’m not sure whether it’s related to Rancher or Mesos itself

How can I update to fresh Mesos and Marathon? I guess I need to take some ‘text’ form of the template and edit it. But I don’t know how to do that. Seems, this topic is not documented.

Any advice would be highly appreciated.

Thanks,
–Andrey