Added architecture check to allow only x86-64 installations

Signed-off-by: kadernO <kaderno@gmail.com>

Author: kadern0

cmd/apps/mongodb_app.go

@@ -44,6 +44,13 @@ func MakeInstallMongoDB() *cobra.Command {
 
 		namespace, _ := command.Flags().GetString("namespace")
 
+		arch := getNodeArchitecture()
+		fmt.Printf("Node architecture: %q\n", arch)
+
+		if arch != IntelArch {
+			return fmt.Errorf(`only Intel, i.e. PC architecture is supported for this app`)
+		}
+
 		userPath, err := config.InitUserDir()
 		if err != nil {
 			return err

cmd/apps/postgres_app.go

@@ -45,6 +45,13 @@ func MakeInstallPostgresql() *cobra.Command {
 
 		fmt.Printf("Using kubeconfig: %s\n", kubeConfigPath)
 
+		arch := getNodeArchitecture()
+		fmt.Printf("Node architecture: %q\n", arch)
+
+		if arch != IntelArch {
+			return fmt.Errorf(`only Intel, i.e. PC architecture is supported for this app`)
+		}
+
 		userPath, err := config.InitUserDir()
 		if err != nil {
 			return err