kubectl-cluster

Exec command on multiple clusters.

Set cluster.ini

Set cluster.ini in current dir or with Env CLUSTER_CONFIG

➜ cat clusters.ini
[test]
context=cls-test1 namespace=default
context=cls-test2

[prod]
context=cls-prod

clusters.ini is a INI like config, in which you can group clusters and set extra args for command.

Exec

# exec in all groups 
➜ kubectl clusters all get pod
[GROUP]: test --------------------------------------------------------------------------------
[CLUSTER]: cls-test1 --------------------------------------------------
[DEBUG] kubectl --context=cls-test1 --namespace=default get pod
NAME                                      READY   STATUS    RESTARTS   AGE
nginx-6dc5bfc797-vwdz7                    1/1     Running   0          32d


[GROUP]: prod --------------------------------------------------------------------------------
[CLUSTER]: cls-prod --------------------------------------------------
[DEBUG] kubectl --context=cls-qcvhpqog get pod
NAME                                READY   STATUS    RESTARTS   AGE
a4cgfxv7srbfhbsn-78479b5cf7-f85d8   2/2     Running   0          37d


# exec in single group
➜ kubectl clusters prod get pod
[GROUP]: prod --------------------------------------------------------------------------------
[CLUSTER]: cls-prod --------------------------------------------------
[DEBUG] kubectl --context=cls-qcvhpqog get pod
NAME                                READY   STATUS    RESTARTS   AGE
a4cgfxv7srbfhbsn-78479b5cf7-f85d8   2/2     Running   0          37d