Move etcd snapshot management CLI to request/response

Signed-off-by: Brad Davidson <brad.davidson@rancher.com>

go.mod

@@ -153,6 +153,7 @@ require (
  k8s.io/api v0.29.3
  k8s.io/apimachinery v0.29.3
  k8s.io/apiserver v0.29.3
+ k8s.io/cli-runtime v0.22.2
  k8s.io/client-go v11.0.1-0.20190409021438-1a26190bd76a+incompatible
  k8s.io/cloud-provider v0.29.3
  k8s.io/cluster-bootstrap v0.0.0
@@ -487,7 +488,6 @@ require (
  gopkg.in/warnings.v0 v0.1.2 // indirect
  gopkg.in/yaml.v3 v3.0.1 // indirect
  k8s.io/apiextensions-apiserver v0.29.3 // indirect
- k8s.io/cli-runtime v0.22.2 // indirect
  k8s.io/code-generator v0.29.3 // indirect
  k8s.io/controller-manager v0.25.4 // indirect
  k8s.io/csi-translation-lib v0.0.0 // indirect

pkg/cli/cmds/etcd_snapshot.go

@@ -21,6 +21,14 @@ var EtcdSnapshotFlags = []cli.Flag{
  Destination: &AgentConfig.NodeName,
  },
  DataDirFlag,
+ ServerToken,
+ &cli.StringFlag{
+ Name: "server, s",
+ Usage: "(cluster) Server to connect to",
+ EnvVar: version.ProgramUpper + "_URL",
+ Value: "https://127.0.0.1:6443",
+ Destination: &ServerConfig.ServerURL,
+ },
  &cli.StringFlag{
  Name: "dir,etcd-snapshot-dir",
  Usage: "(db) Directory to save etcd on-demand snapshot. (default: ${data-dir}/db/snapshots)",