update

app/controllers/node_controller.rb

@@ -1,7 +1,8 @@
 class NodeController < ApplicationController
   def index
     @hosts = Array.new
-
+    @nodes = Node.all.order("id asc") 
+    
     if get_hosts.blank?
       flash[:danger] = "Check Server"
     else
@@ -12,4 +13,21 @@ class NodeController < ApplicationController
   def get_hosts
     return ['2', 'aaa', 'bbb', 'ccc']
   end
+  
+  def node_add
+    new_node = Node.new	
+    new_node.host_name = params[:host_name]
+    new_node.host_ip = params[:host_ip]
+    new_node.host_port = params[:host_port]
+    new_node.user_name = params[:user_name]
+    new_node.user_password = params[:user_password]
+    new_node.save
+    redirect_to '/node/index'
+  end
+  
+  def node_delete
+    one_node = Node.find(params[:node_id])
+    one_node.destroy
+    redirect_to '/node/index'
+  end
 end