[MESOS-1601] Add metrics for port mapping network isolator

• Type: Task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.20.0
• Target Version/s: 0.20.0
• Epic Link: Container Network Monitoring
• Sprint: Q3 Sprint 1
• Assignee: Jie Yu
• Reporter: Jie Yu
• Created: 15/Jul/14 18:45
• Updated: 15/Jul/14 19:26
• Resolved: 15/Jul/14 19:26

Description

We need to expose a few metrics so that we can monitor the behavior of the network isolator. For example, we need to know how many errors we have for adding/removing/updating various filters.