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kubeadm: remove the deprecated "config view" command

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The command "kubeadm config view" was deprecated in 1.19.
Remove it as scheduled in 1.22.

The replacement is to use kubectl:
kubectl get cm -n kube-system kubeadm-config -o=jsonpath="{.data.ClusterConfiguration}"
This commit is contained in:
Lubomir I. Ivanov 2021-05-17 21:09:13 +03:00
parent b1b06fe0a4
commit 66d4e6e55d
1 changed files with 0 additions and 42 deletions
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42
cmd/kubeadm/app/cmd/config.go
View File

@ -18,7 +18,6 @@ package cmd
import (
"bytes"
"context"
"fmt"
"io"
"io/ioutil"
@ -29,12 +28,10 @@ import (
"github.com/pkg/errors"
"github.com/spf13/cobra"
flag "github.com/spf13/pflag"
"k8s.io/klog/v2"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/cli-runtime/pkg/genericclioptions"
clientset "k8s.io/client-go/kubernetes"
kubeadmapi "k8s.io/kubernetes/cmd/kubeadm/app/apis/kubeadm"
kubeadmscheme "k8s.io/kubernetes/cmd/kubeadm/app/apis/kubeadm/scheme"
kubeadmapiv1 "k8s.io/kubernetes/cmd/kubeadm/app/apis/kubeadm/v1beta3"
@ -47,7 +44,6 @@ import (
"k8s.io/kubernetes/cmd/kubeadm/app/features"
"k8s.io/kubernetes/cmd/kubeadm/app/images"
configutil "k8s.io/kubernetes/cmd/kubeadm/app/util/config"
kubeconfigutil "k8s.io/kubernetes/cmd/kubeadm/app/util/kubeconfig"
"k8s.io/kubernetes/cmd/kubeadm/app/util/output"
utilruntime "k8s.io/kubernetes/cmd/kubeadm/app/util/runtime"
utilsexec "k8s.io/utils/exec"
@ -79,7 +75,6 @@ func newCmdConfig(out io.Writer) *cobra.Command {
kubeConfigFile = cmdutil.GetKubeConfigPath(kubeConfigFile)
cmd.AddCommand(newCmdConfigPrint(out))
cmd.AddCommand(newCmdConfigMigrate(out))
cmd.AddCommand(newCmdConfigView(out, &kubeConfigFile))
cmd.AddCommand(newCmdConfigImages(out))
return cmd
}
@ -276,43 +271,6 @@ func newCmdConfigMigrate(out io.Writer) *cobra.Command {
return cmd
}
// newCmdConfigView returns cobra.Command for "kubeadm config view" command
func newCmdConfigView(out io.Writer, kubeConfigFile *string) *cobra.Command {
return &cobra.Command{
Use: "view",
Short: "View the kubeadm configuration stored inside the cluster",
Deprecated: "This command is deprecated and will be removed in a future release, please use 'kubectl get cm -o yaml -n kube-system kubeadm-config' to get the kubeadm config directly.",
Long: fmt.Sprintf(dedent.Dedent(`
Using this command, you can view the ConfigMap in the cluster where the configuration for kubeadm is located.
The configuration is located in the %q namespace in the %q ConfigMap.
`), metav1.NamespaceSystem, constants.KubeadmConfigConfigMap),
RunE: func(cmd *cobra.Command, args []string) error {
klog.V(1).Infoln("[config] retrieving ClientSet from file")
client, err := kubeconfigutil.ClientSetFromFile(*kubeConfigFile)
if err != nil {
return err
}
return RunConfigView(out, client)
},
Args: cobra.NoArgs,
}
}
// RunConfigView gets the configuration persisted in the cluster
func RunConfigView(out io.Writer, client clientset.Interface) error {
klog.V(1).Infoln("[config] getting the cluster configuration")
cfgConfigMap, err := client.CoreV1().ConfigMaps(metav1.NamespaceSystem).Get(context.TODO(), constants.KubeadmConfigConfigMap, metav1.GetOptions{})
if err != nil {
return err
}
// No need to append \n as that already exists in the ConfigMap
fmt.Fprintf(out, "%s", cfgConfigMap.Data[constants.ClusterConfigurationConfigMapKey])
return nil
}
// newCmdConfigImages returns the "kubeadm config images" command
func newCmdConfigImages(out io.Writer) *cobra.Command {
cmd := &cobra.Command{