[jira] [Updated] (MESOS-4487) Introduce status() interface in `Containerizer`

["Jie Yu (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/MESOS-4487?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jie Yu updated MESOS-4487:
--------------------------
    Story Points: 3

> Introduce status() interface in `Containerizer`
> -----------------------------------------------
>
>                 Key: MESOS-4487
>                 URL: https://issues.apache.org/jira/browse/MESOS-4487
>             Project: Mesos
>          Issue Type: Improvement
>          Components: containerization
>            Reporter: Avinash Sridharan
>            Assignee: Avinash Sridharan
>              Labels: containerizer, mesosphere
>
> In the Containerizer, during container isolation, the isolators end up modifying the state of the containers. Examples would be IP address allocation to a container by the 'network isolator, or net_cls handle allocation by the cgroup/net_cls isolator. 
> Often times the state of the container, needs to be exposed to operators through the state.json end-point. For e.g. operators or frameworks might want to know the IP-address configured on a particular container, or the net_cls handle associated with a container to configure the right TC rules. However, at present, there is no clean interface for the slave to retrieve the state of a container from the Containerizer for any of the launched containers. Thus, we need to introduce a `status` interface in the `Containerizer` base class, in order for the slave to expose container state information in its state.json.   



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