第 11 章 Node networking

Procedure

1. List all the NodeNetworkState objects in the cluster:

   $ oc get nns

   Copy to Clipboard Toggle word wrap

2. Inspect a NodeNetworkState to view the network on that node. The output in this example has been redacted for clarity:

   $ oc get nns node01 -o yaml

   Copy to Clipboard Toggle word wrap

   Example output

   apiVersion: nmstate.io/v1alpha1
   kind: NodeNetworkState
   metadata:
     name: node01 

   1

   
   status:
     currentState: 

   2

   
       dns-resolver:
   ...
       interfaces:
   ...
       route-rules:
   ...
       routes:
   ...
     lastSuccessfulUpdateTime: "2020-01-31T12:14:00Z" 

   3

   Copy to Clipboard Toggle word wrap

   1

   The name of the NodeNetworkState is taken from the node.

   2

   The currentState contains the complete network configuration for the node, including DNS, interfaces, and routes.

   3

   Timestamp of the last successful update. This is updated periodically as long as the node is reachable and can be used to evalute the freshness of the report.