@@ -142,6 +142,49 @@ class HostsController < ApplicationController # Return the inlined image HTML code to avoid AJAX madness. render :text => "<img src=\"data:image/png;base64,#{Base64.encode64(graph_file.read)}\" alt=\"Graph\">" end + + def show_open_files_graph + @host = Host.find_by_id params[:id] + redirect_to :action => "index" if @host.blank? + + # Create graph (will be skipped if it already exists) + @graph = RRDGraph.new "host-open-files-#{@host.id}" + @graph.create_rrd "--start #{31.days.ago.to_i} --step 60 DS:openfiles:GAUGE:600:U:U RRA:AVERAGE:0.5:3:44640" + + # Fill graph + params[:graph_days].blank? ? days = 1 : days = params[:graph_days].to_i + data = Sensorvalue.find :all, + :conditions => ["created_at > ? AND host_id = ? AND name = 'open_files'", Time.at(@graph.get_last_rrd_update.to_i), @host.id] + + data.each do |d| + @graph.insert "#{d.created_at.to_i}:#{d.value}" + end + + # Graph image + lines = ["DEF:openfiles=#{@graph.get_path_of_rrd}:openfiles:AVERAGE AREA:openfiles#eb7f00:'Open files'"] + title = "Open files on host \"#{@host.name}\" - #{Time.now.to_s}" + width = "800" + height = "150" + options = "--base 1024 -X 0" + colors = { "SHADEA" => "#F8F8F8", + "SHADEB" => "#F8F8F8", + "FONT" => "#000000", + "BACK" => "#F8F8F8", + "CANVAS" => "#F8F8F8", + "GRID" => "#696969", + "MGRID" => "#877254", + "AXIS" => "#BDBDBD", + "ARROW" => "#BDBDBD" } + + backwards = (Time.now - (86400*days)).to_i + @graph.update_image backwards, Time.now.to_i, lines, title, width, height, colors, options + + # Read the graph. + graph_file = File.new @graph.get_path_of_png, "r" + + # Return the inlined image HTML code to avoid AJAX madness. + render :text => "<img src=\"data:image/png;base64,#{Base64.encode64(graph_file.read)}\" alt=\"Graph\">" + end private app/controllers/hosts_controller.rb @@ -145,6 +145,8 @@ :update => "hosts-host-graph-processes" %> <%= remote_function :url => { :action => "show_free_memory_graph", :id => @host.id, :graph_days => params[:graph_days] }, :update => "hosts-host-graph-free-memory" %> + <%= remote_function :url => { :action => "show_open_files_graph", :id => @host.id, :graph_days => params[:graph_days] }, + :update => "hosts-host-graph-open-files" %> </script> <div id="hosts-host-graph-processes" class="hosts-host-graph"> @@ -161,6 +163,13 @@ </div> </div> +<div id="hosts-host-graph-open-files" class="hosts-host-graph"> + <div id="graph-loading"> + <%= image_tag "ajax-loader.gif" %> + <p>Generating free memory time graph.</p> + </div> +</div> + <%= periodically_call_remote :url => { :action => "show_processes_graph", :id => @host.id, :graph_days => params[:graph_days] }, :update => "hosts-host-graph-processes", :frequency => "61" %> @@ -168,3 +177,7 @@ <%= periodically_call_remote :url => { :action => "show_free_memory_graph", :id => @host.id, :graph_days => params[:graph_days] }, :update => "hosts-host-graph-free-memory", :frequency => "61" %> + +<%= periodically_call_remote :url => { :action => "show_open_files_graph", :id => @host.id, :graph_days => params[:graph_days] }, + :update => "hosts-host-graph-open-files", + :frequency => "61" %> app/views/hosts/show.html.erb @@ -39,7 +39,6 @@ module Colored end command << options + " " - puts "THIS: #{command}" return false if !system command vendor/plugins/colored/lib/colored/core_ext.rb f3fc8c539a88229e55334951500336eb6aaf35f8 Lennart Koopmann lennart@sundaysister.(none) http://github.com/lennartkoopmann/scopeport-web-interface/commit/01e5168e0d378609f1ee87bc197df56eb853beed 01e5168e0d378609f1ee87bc197df56eb853beed 2009-09-14T15:17:06-07:00 2009-09-14T15:17:06-07:00 Added open files graph 987253009ac37a242c0929446cd2ccad58ee40b6 Lennart Koopmann lennart@sundaysister.(none)