Add top tiles to dashboard

app/controllers/application_controller.rb

@@ -3,40 +3,12 @@ class ApplicationController < ActionController::Base
     # For APIs, you may want to use :null_session instead.
     # protect_from_forgery with: :exception
 
-
     def require_login
         unless user_signed_in?
             flash[:error] = "Please, Login required to use the service."
             redirect_to "/users/sign_in" # halts request cycle
         end
     end
-  
-    def get_conf
-        config = Hash.new
-        one_node = Node.take
-        if !one_node.nil?
-            config["host_name"] = one_node.host_name
-            config["host_ip"] = one_node.host_ip
-            config["user_name"] = one_node.user_name
-            config["user_password"] = one_node.user_password
-        end
-        return config
-    end
-
-    def get_conf_all
-        config = Array.new
-        config_each = Hash.new
-        all_node = Node.all
-        all_node.each do |one_node|
-            config_each["host_name"] = one_node.host_name
-            config_each["host_ip"] = one_node.host_ip
-            config_each["user_name"] = one_node.user_name
-            config_each["user_password"] = one_node.user_password
-            config << config_each
-            config_each = Hash.new
-        end
-        return config
-    end
 
     def get_df
         df = Array.new
@@ -66,7 +38,7 @@ class ApplicationController < ActionController::Base
         parsing_list = dir_list.split("\n")
         @files = Array.new
         file = Hash.new
-
+        
         @total_list = parsing_list[0]
         for t in 1..(parsing_list.length-1)
             parsing_file = parsing_list[t].split(" ")

app/controllers/volume_controller.rb

@@ -1,5 +1,5 @@
 class VolumeController < ApplicationController
-        before_action :require_login
+    before_action :require_login
 
     def index
         file_directory("/mnt")
@@ -28,49 +28,49 @@ class VolumeController < ApplicationController
     end
 
     def volume_mount
-        conf = get_conf
+        node = Node.take
         volume_name = params[:volume_name]
         mount_point = params[:mount_point]
         # make command string
         command = String.new
-        command << "sudo mount -t glusterfs #{conf['host_ip']}:/#{volume_name} #{mount_point}"
+        command << "sudo mount -t glusterfs #{node.host_ip}:/#{volume_name} #{mount_point}"
         puts command
         `#{command}`
         redirect_to '/volume/index'
     end
 
     def volume_unmount
-        conf = get_conf
+        node = Node.take
         volume_name = params[:volume_name]
         # make command string
         command = String.new
-        command << "sudo umount #{conf['host_ip']}:/#{volume_name}"
+        command << "sudo umount #{node.host_ip}:/#{volume_name}"
         puts command
         `#{command}`
         redirect_to '/volume/index'
     end
 
     def volume_create
-        conf = get_conf
+        node = Node.take
         volume_name = params[:volume_name]
         volume_type = params[:volume_type]
         num_of_brick = params[:num_of_brick]
         bricks = params[:bricks]
         # make command string
         command = String.new
-        command << "sshpass -p#{conf['user_password']} "
-        command << "ssh #{conf['user_name']}@#{conf['host_ip']} "
+        command << "sshpass -p#{node.user_password} "
+        command << "ssh #{node.host_name}@#{node.host_ip} "
         command << "gluster volume create #{volume_name} "
         if !volume_type.include? "Distribute"
             command << "#{volume_type.downcase} #{num_of_brick}"
         end
-        conf_all = get_conf_all
+        nodes = Node.all
         bricks.each do |t|
             host_name = t.split(":/")[0]
             brick_name = t.split(":/")[1]
             host_ip = ""
-            conf_all.each do |u|
-                next if !u['host_name'].eql? host_name
+            nodes.each do |u|
+                next if !u.host_name.eql? host_name
                 host_ip = u['host_ip']
             end
             brick = "#{host_ip}:/#{brick_name}"
@@ -83,12 +83,12 @@ class VolumeController < ApplicationController
     end
 
     def volume_stop
-        conf = get_conf
+        node = Node.take
         volume_name = params[:volume_name]
         # make command string
         command = String.new
-        command << "yes | sshpass -p#{conf['user_password']} "
-        command << "ssh #{conf['user_name']}@#{conf['host_ip']} "
+        command << "yes | sshpass -p#{node.user_password} "
+        command << "ssh #{node.host_name}@#{node.host_ip} "
         command << "gluster volume stop #{volume_name}"
         puts command
         `#{command}`
@@ -96,12 +96,12 @@ class VolumeController < ApplicationController
     end
 
     def volume_start
-        conf = get_conf
+        node = Node.take
         volume_name = params[:volume_name]
         # make command string
         command = String.new
-        command << "sshpass -p#{conf['user_password']} "
-        command << "ssh #{conf['user_name']}@#{conf['host_ip']} "
+        command << "sshpass -p#{node.user_password} "
+        command << "ssh #{node.host_name}@#{node.host_ip} "
         command << " gluster volume start #{volume_name}"
         puts command
         `#{command}`
@@ -109,12 +109,12 @@ class VolumeController < ApplicationController
     end
 
     def volume_delete
-        conf = get_conf
+        node = Node.take
         volume_name = params[:volume_name]
         # make command string
         command = String.new
-        command << "yes | sshpass -p#{conf['user_password']} "
-        command << "ssh #{conf['user_name']}@#{conf['host_ip']} "
+        command << "yes | sshpass -p#{node.user_password} "
+        command << "ssh #{node.host_name}@#{node.host_ip} "
         command << " gluster volume delete #{volume_name}"
         puts command
         `#{command}`