linkerd2/viz/cmd/uninstall.go

51 lines
1.3 KiB
Go

package cmd
import (
"context"
"fmt"
"os"
"github.com/linkerd/linkerd2/pkg/k8s"
"github.com/linkerd/linkerd2/pkg/k8s/resource"
"github.com/spf13/cobra"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
)
func newCmdUninstall() *cobra.Command {
cmd := &cobra.Command{
Use: "uninstall",
Args: cobra.NoArgs,
Short: "Output Kubernetes resources to uninstall the linkerd-viz extension",
Long: `Output Kubernetes resources to uninstall the linkerd-viz extension.
This command provides all Kubernetes namespace-scoped and cluster-scoped resources (e.g services, deployments, RBACs, etc.) necessary to uninstall the Linkerd-viz extension.`,
Example: `linkerd viz uninstall | kubectl delete -f -`,
RunE: func(cmd *cobra.Command, args []string) error {
return uninstallRunE(cmd.Context())
},
}
return cmd
}
func uninstallRunE(ctx context.Context) error {
k8sAPI, err := k8s.NewAPI(kubeconfigPath, kubeContext, impersonate, impersonateGroup, 0)
if err != nil {
return err
}
resources, err := resource.FetchKubernetesResources(ctx, k8sAPI,
metav1.ListOptions{LabelSelector: fmt.Sprintf("%s=%s", k8s.LinkerdExtensionLabel, ExtensionName)},
)
if err != nil {
return err
}
for _, r := range resources {
if err := r.RenderResource(os.Stdout); err != nil {
return fmt.Errorf("error rendering Kubernetes resource: %v", err)
}
}
return nil
}