Operation Scenario
This document guides you through the process of setting a node Label.
Usage Restrictions
Labels related to \*kubernetes\* and \*qcloud\* cannot be edited or deleted.
\*kubernetes\* and \*qcloud\* labels are reserved keys and cannot be added.
Currently, you can set Labels for one single node at a time, and batch setting is not supported.
Directions
- Log in to the TKE console.
- In the left sidebar, click Clusters to go to the cluster management page.
- Select the ID/name of the cluster for which to set the node Label to go to the cluster details page.
- In the left sidebar, select "Node Management" > "Nodes" to go to the "Node list" page.
- Select the row of the node for which to set the Label and click More > Edit a Label.
- In the "Edit a Label" window that pops up, edit the Label and click Submit. See the figure below:
- Install kubectl and connect to a cluster. For detailed operations, see Connecting a Cluster via kubectl.
- Run the following command to set a node Label.
kubectl label nodes <node-name> <label-key>=<label-value>
- Run the following command to view the node Label.
kubectl get nodes --show-labels
A message similar to the one below is returned:
NAME STATUS ROLESAGEVERSIONLABELS
172.17.124.5 Ready <none> 12d v1.10.5-tke.3 beta.kubernetes.io/arch=amd64,beta.kubernetes.io/instance-type=QCLOUD,beta.kubernetes.io/os=linux,failure-domain.beta.kubernetes.io/region=sh,failure-domain.beta.kubernetes.io/zone=200001,kubernetes.io/hostname=172.17.124.5
172.17.124.8 Ready <none> 12d v1.10.5-tke.3 beta.kubernetes.io/arch=amd64,beta.kubernetes.io/instance-type=QCLOUD,beta.kubernetes.io/os=linux,failure-domain.beta.kubernetes.io/region=sh,failure-domain.beta.kubernetes.io/zone=200001,kubernetes.io/hostname=172.17.124.8
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