Kubernetes 101 : Pods - Accessing the networking stack of the host -

Pods and hosts - one network stack -:

For pods that are running system application, we sometimes need to grant them a direct access to the host's network stack.

We could achieve that by using the "hostNetwork" parameter in the Yaml configuration file for the pod as below:

We could check the pod's network interfaces, by going inside the pod and running the "ip addr" command as below:

We would get the below results, which display the same interface as the host:

We could also get inside inside the container by executing our command interactively in a - runningpod as below:

Once inside the container, we could run the use the "ip addr" command.


Leave as a comment: