gluster-web-interface/app/controllers/node_controller.rb

class NodeController < ApplicationController
    before_action :require_login
    def index
        @nodes = Node.all.order("id asc")
        @node_connects = Array.new
        node_info = Hash.new
        begin
            one_node = Node.take
            node_info["Hostname"] = one_node.host_name
            node_info["State"] = "Peer in Cluster Disconnected"
            node_info = Hash.new

            if !one_node.blank?
                if ping_test?(one_node.host_ip)
                    command = String.new
                    command << "sshpass -p#{one_node.user_password} ssh #{one_node.user_name}@#{one_node.host_ip} gluster peer status info"
                    puts command
                    output = `#{command}`.split("\n")
                    output << "\n"

                    output.each do |t|
                        next if t.equal? output.first
                        if t.include? ":"
                            temp = t.split(":")
                            node_info[temp[0]] = temp[1]
                        else
                            @node_connects << node_info
                            node_info = Hash.new
                        end
                    end

                end
            end
        rescue => ex
            puts ex
        end
    end

    def node_add
        new_node = Node.new
        new_node.host_name = params[:host_name]
        new_node.host_ip = params[:host_ip]
        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

    def node_probe
        one_node = Node.find(params[:node_id])
        puts "gluster peer probe #{one_node.host_name}"
        redirect_to '/node/index'
    end

    def node_detach
        one_node = Node.find(params[:node_id])
        puts "gluster peer detach #{one_node.host_name}"
        redirect_to '/node/index'
    end
end