Red Hat build of MicroShift

View network policies using the CLI

You can examine the network policies in a namespace.

If you log in with cluster-admin privileges, you can edit network policies in any namespace in the cluster.

If you log in with cluster-admin privileges, you can edit network policies in any namespace in the cluster. In the web console, you can edit policies directly in YAML or by using the Actions menu.

Prerequisites

You installed the OpenShift CLI (oc).
You are logged in to the cluster with a user with admin privileges.
You are working in the namespace where the network policy exists.

Procedure

List network policies in a namespace.

To view network policy objects defined in a namespace enter the following command:
```
$ oc get networkpolicy
```

Optional: To examine a specific network policy enter the following command:

$ oc describe networkpolicy <policy_name> -n <namespace>

where:

<policy_name>

Specifies the name of the network policy to inspect.

<namespace>

Optional: Specifies the namespace if the object is defined in a different namespace than the current namespace.

$ oc describe networkpolicy allow-same-namespace

Name:         allow-same-namespace
Namespace:    ns1
Created on:   2021-05-24 22:28:56 -0400 EDT
Labels:       <none>
Annotations:  <none>
Spec:
  PodSelector:     <none> (Allowing the specific traffic to all pods in this namespace)
  Allowing ingress traffic:
    To Port: <any> (traffic allowed to all ports)
    From:
      PodSelector: <none>
  Not affecting egress traffic
  Policy Types: Ingress