Avinash Sridharan created MESOS-6156:
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Summary: Make the `network/cni` isolator nesting aware
Key: MESOS-6156
URL: https://issues.apache.org/jira/browse/MESOS-6156
Project: Mesos
Issue Type: Task
Components: containerization
Affects Versions: 1.1.0
Reporter: Avinash Sridharan
Assignee: Avinash Sridharan
Fix For: 1.1.0
In pods, child containers share the network and UTS namespace with the parent
containers. This implies that during `prepare` and `isolate` the `network/cni`
isolator needs to be aware the parent-child relationship between containers to
make the following decisions:
a) During `prepare` a container should be allocated a new network namespace and
UTS namespace only if the container is a top level container.
b) During `isolate` the network files (/etc/hosts, /etc/hostname,
/etc/resolv.conf) should be created only for top level containers. The network
files for child containers will just be symlinks to the parent containers
network files.
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