support to conveniently use containerd

Signed-off-by: yanxuean <[email protected]>

Author: yanxuean

pkg/minikube/bootstrapper/kubeadm/kubeadm.go

@@ -214,6 +214,11 @@ func SetContainerRuntime(cfg map[string]string, runtime string) map[string]strin
 		cfg["container-runtime-endpoint"] = "/var/run/crio/crio.sock"
 		cfg["image-service-endpoint"] = "/var/run/crio/crio.sock"
 		cfg["runtime-request-timeout"] = "15m"
+	case "containerd":
+		cfg["container-runtime"] = "remote"
+		cfg["container-runtime-endpoint"] = "unix:///run/containerd/containerd.sock"
+		cfg["image-service-endpoint"] = "unix:///run/containerd/containerd.sock"
+		cfg["runtime-request-timeout"] = "15m"
 	default:
 		cfg["container-runtime"] = runtime
 	}