Resolving the Mesos Leading Master

Question

We\'re using Mesos to run jobs on a cluster. We\'re using haproxy to point, e.g., mesos.seanmcl.com to a Mesos Master.

If that Master happens to not

Answer 1

You can use the approach used by Mesos itself to determine the Leading Master using Zookeeper communications.

The idea is to use the membership labels in Zookeeper communications to determine the Leading Master, cache it and use it for the subsequent requests. Check the following links for the implementation:

• Leading Master Detector Header
• Leading Master Detector Implementation

Here's an example code using CLI:

• Mesos-Resolve

Edit: Alternatively you can use the command resolve in Mesos-CLI which returns the host/port for the current Leading Master which uses Mesos-Resolve code located in the Mesos core:

• Resolve Command