[MESOS-5737] Expose Executor PID in containers endpoint

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 1.0.0
• Component/s: containerization
• Assignee: Haris Choudhary
• Reporter: Haris Choudhary
• Shepherd: Jie Yu
• Created: 28/Jun/16 23:07
• Updated: 03/Jul/16 04:29
• Resolved: 03/Jul/16 04:29

Description

In order to greatly simplify the implementation for the redesigned Mesos CLI's container plugin, we need the executor PID (Process ID) to be exposed in the /containers endpoint. Mesos CLI Epic

This change will introduce the pid for an executor if it was launched by the mesos containerizer.

We need this PID for setns() calls to enter the container namespace for commands such as container execute

Issue Links

• relates to: MESOS-5278 Add command to enter container namespaces and execute arbitrary commands