always use DefaultRKETools for etcd snapshot

util/util.go

@@ -8,15 +8,13 @@ import (
 
 	"github.com/coreos/go-semver/semver"
 	ref "github.com/docker/distribution/reference"
-	v3 "github.com/rancher/types/apis/management.cattle.io/v3"
 	"github.com/sirupsen/logrus"
 )
 
 const (
 	WorkerThreads = 50
-	// SupportedSyncToolsVersion this should be kept at the latest version of rke released with
-	// rancher 2.2.0.
-	SupportedSyncToolsVersion = "0.1.25"
+
+	DefaultRKETools = "rancher/rke-tools:v0.1.30"
 )
 
 func StrToSemVer(version string) (*semver.Version, error) {
@@ -70,34 +68,6 @@ func IsSymlink(file string) (bool, error) {
 	return false, nil
 }
 
-func GetDefaultRKETools() string {
-	return v3.AllK8sVersions[v3.DefaultK8s].Alpine
-}
-
-// IsRancherBackupSupported  with rancher 2.2.0 and rke 0.2.0, etcdbackup was completely refactored
-// and the interface for the rke-tools backup command changed significantly.
-// This function is used to check the the release rke-tools version to choose
-// between the new backup or the legacy backup code paths.
-// The released version of rke-tools should be set in the const SupportedSyncToolsVersion
-func IsRancherBackupSupported(image string) bool {
-	v := strings.Split(image, ":")
-	last := v[len(v)-1]
-
-	sv, err := StrToSemVer(last)
-	if err != nil {
-		return false
-	}
-
-	supported, err := StrToSemVer(SupportedSyncToolsVersion)
-	if err != nil {
-		return false
-	}
-	if sv.LessThan(*supported) {
-		return false
-	}
-	return true
-}
-
 func GetTagMajorVersion(tag string) string {
 	splitTag := strings.Split(tag, ".")
 	if len(splitTag) < 2 {