Merge pull request karmada-io#2092 from carlory/karmadactl-exec

use kubectl exec to implement karmadactl exec and introduce the `--namespace` flag

Author: karmada-bot

go.mod

@@ -8,7 +8,6 @@ require (
 	github.com/gogo/protobuf v1.3.2
 	github.com/google/uuid v1.1.2
 	github.com/kr/pretty v0.3.0
-	github.com/moby/term v0.0.0-20210619224110-3f7ff695adc6
 	github.com/olekukonko/tablewriter v0.0.4
 	github.com/onsi/ginkgo/v2 v2.1.3
 	github.com/onsi/gomega v1.18.1
@@ -102,6 +101,7 @@ require (
 	github.com/mitchellh/go-wordwrap v1.0.0 // indirect
 	github.com/mitchellh/mapstructure v1.4.3 // indirect
 	github.com/moby/spdystream v0.2.0 // indirect
+	github.com/moby/term v0.0.0-20210619224110-3f7ff695adc6 // indirect
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
 	github.com/modern-go/reflect2 v1.0.2 // indirect
 	github.com/monochromegane/go-gitignore v0.0.0-20200626010858-205db1a8cc00 // indirect

pkg/karmadactl/describe.go

@@ -125,7 +125,7 @@ func (o *CommandDescribeOptions) Complete(karmadaConfig KarmadaConfig, args []st
 		return err
 	}
 
-	f := getFactory(o.Cluster, clusterInfo)
+	f := getFactory(o.Cluster, clusterInfo, "")
 
 	o.Namespace, o.EnforceNamespace, err = f.ToRawKubeConfigLoader().Namespace()
 	if err != nil {