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1、在yaml文件里添加标签
apiVersion: v1 kind: Pod metadata: labels: app: test02 run: kubia ...... ......
2、查看列表时显示标签 --show-labels
[root@10 ~]# kg po kubia-v5xm5 --show-labels NAME READY STATUS RESTARTS AGE
LABELS kubia-v5xm5 1/1 Running 0 40d app=test02,run=kubia [root@10 ~]#
3、显示指定的标签 -L xxx(多个用逗号隔开)
[root@10 ~]# kg po kubia-v5xm5 -L app,run NAME READY STATUS RESTARTS AGE APP
RUN kubia-v5xm5 1/1 Running 0 40d test02 kubia [root@10 ~]#
4、给资源加标签 label(对于已存在的标签,末尾加 --overwrite覆盖)
ktl label 资源类型 资源名称 key1=value1,key2=value2 ktl label po kubia-v5xm5 env=test
5、使用标签选择器列出pod -l
ktl get po -l env=test
6、选择含有env标签的pod
kg po -l env
7、选择不含env标签的pod
kg po -l '!env'
8、选择含有env标签并且值为指定值的pod
kg po -l 'env in (test,prod)'
9、选择含有env标签并且不含指定值的pod
kg po -l 'env notin (test,prod)'