Kubernetes labels

https://kubernetes.io/docs/concepts/overview/working-with-objects/labels/

• kubectl label pods -l app=LABEL new_label_tier=new_label_valuefe
• kubectl label nodes <node-name> <label-key>=<label-value>

• kubectl get nodes --show-labels
• kubectl get pods --show-labels

kubectl get pods -l environment=myproduction,tier=myfrontend
kubectl get pods -l 'environment in (myproduction, myqa)'

.../...
metadata:
 labels:
.../...

Activities

• CKA v1.15, CKA v1.21: Understand how to use Labels, Selector and Annotations
• CKA v1.18: Use label selectors to schedule Pods

Related

• kubectl label
• kubectl annotate
• Kubernetes selectors: selector:

See also

• kubectl label [ pods | nodes | --help ]
• Kubernetes labels, selectors, recommended labels , kubectl label, kubectl annotate, Common, kubernetes.io, app.kubernetes.io, MatchLabels:, labels: