第 3 章 Cluster Network Operator in OpenShift Container Platform
The Cluster Network Operator (CNO) deploys and manages the cluster network components on an OpenShift Container Platform cluster, including the Container Network Interface (CNI) default network provider plug-in selected for the cluster during installation.
3.1. Cluster Network Operator
The Cluster Network Operator implements the network API from the operator.openshift.io API group. The Operator deploys the OpenShift SDN default Container Network Interface (CNI) network provider plug-in, or the default network provider plug-in that you selected during cluster installation, by using a daemon set.
Procedure
The Cluster Network Operator is deployed during installation as a Kubernetes Deployment.
Run the following command to view the Deployment status:
$ oc get -n openshift-network-operator deployment/network-operator
Example output
NAME READY UP-TO-DATE AVAILABLE AGE network-operator 1/1 1 1 56m
Run the following command to view the state of the Cluster Network Operator:
$ oc get clusteroperator/network
Example output
NAME VERSION AVAILABLE PROGRESSING DEGRADED SINCE network 4.5.4 True False False 50m
The following fields provide information about the status of the operator:
AVAILABLE,PROGRESSING, andDEGRADED. TheAVAILABLEfield isTruewhen the Cluster Network Operator reports an available status condition.
