adds support for deleting init node (machine) for rke2/k3s clusters

extensions/nodes/nodes.go

@@ -16,7 +16,6 @@ const (
 	local                 = "local"
 	machinePlanSecretType = "rke.cattle.io/machine-plan"
 	machineNameSteveLabel = "rke.cattle.io/machine-name"
-	True                  = "true"
 )
 
 // GetInitMachine accepts a client and clusterID and returns the "init node" machine
@@ -43,8 +42,8 @@ func GetInitMachine(client *rancher.Client, clusterID string) (*v1.SteveAPIObjec
 	logrus.Info("Identifying init node machine plan...")
 	for _, machinePlan := range machinePlans {
 		v, ok := machinePlan.ObjectMeta.Labels[initNodeLabelKey]
-		if ok && v ==  True {
-					 logrus.Infof("Found init node machine plan: %s", machinePlan.Name)
+		if ok && v ==  "true" {
+			logrus.Infof("Found init node machine plan: %s", machinePlan.Name)
 			initNodeMachineName = machinePlan.Labels[machineNameSteveLabel]
 	   }
     }
@@ -55,7 +54,7 @@ func GetInitMachine(client *rancher.Client, clusterID string) (*v1.SteveAPIObjec
 		return nil, err
 	}
 
-	logrus.Infof("Successfully retrived machine: %s", initNodeMachineName)
+	logrus.Infof("Successfully retrieved machine: %s", initNodeMachineName)
 
 	return initMachine, nil
 }