require command to be passed to acorn kube command (#1184)

pkg/cli/kube.go

@@ -13,20 +13,25 @@ import (
 
 func NewKubectl(c CommandContext) *cobra.Command {
 	cmd := cli.Command(&Kube{client: c.ClientFactory}, cobra.Command{
-		Use:          "kube [flags]",
+		Use:          "kube [flags] COMMAND",
+		Args:         cobra.MinimumNArgs(1),
 		Hidden:       true,
 		SilenceUsage: true,
 		Short:        "Run command with KUBECONFIG env set to a generated kubeconfig of the current project",
 		Example: `
-acorn -j acorn kube k9s
+  # Run 'k9s' in the Account API Server for the 'acorn' project:
+  acorn -j acorn kube k9s
+
+  # Access the cluster of the 'aws-us-east-2' region for the current project:
+  acorn -j acorn kube --region aws-us-east-2 $SHELL
 `})
 	cmd.Flags().SetInterspersed(false)
 	return cmd
 }
 
 type Kube struct {
 	client    ClientFactory
-	Region    string `usage:"Get access to the cluster supporting that specific region"`
+	Region    string `usage:"Get access to the cluster supporting the defined region"`
 	WriteFile string `usage:"Write kubeconfig to file" short:"w"`
 }
 
@@ -88,10 +93,6 @@ users:
 		return err
 	}
 
-	if len(args) == 0 {
-		args = []string{os.Getenv("SHELL")}
-	}
-
 	k := exec.Command(args[0], args[1:]...)
 	k.Env = append(os.Environ(), fmt.Sprintf("KUBECONFIG=%s", f.Name()), fmt.Sprintf("ACORN_KUBECONFIG=%s", f.Name()))
 	k.Stdin = os.Stdin

pkg/controller/scheduling/scheduling.go

@@ -110,7 +110,7 @@ func Nodes(req router.Request, computeClass *adminv1.ProjectComputeClassInstance
 	return computeClass.Affinity, computeClass.Tolerations
 }
 
-// PriorityClass checks that a defined PriorityClass exists and returns the name of it
+// PriorityClassName checks that a defined PriorityClass exists and returns the name of it
 func PriorityClassName(req router.Request, computeClass *adminv1.ProjectComputeClassInstance) (string, error) {
 	if computeClass == nil || computeClass.PriorityClassName == "" {
 		return "", nil