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Setting a Node Label

Terakhir diperbarui:2024-12-23 15:29:47

    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

    Setting a Node Label in the Console
    Using kubectl to Set a Node Label
    1. Log in to the TKE console.
    2. In the left sidebar, click Clusters to go to the cluster management page.
    3. Select the ID/name of the cluster for which to set the node Label to go to the cluster details page.
    4. In the left sidebar, select "Node Management" > "Nodes" to go to the "Node list" page.
    5. Select the row of the node for which to set the Label and click More > Edit a Label.
    6. In the "Edit a Label" window that pops up, edit the Label and click Submit. See the figure below:
    
    
    1. Install kubectl and connect to a cluster. For detailed operations, see Connecting a Cluster via kubectl.
    2. Run the following command to set a node Label.
    kubectl label nodes <node-name> <label-key>=<label-value>
    3. 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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