xcat-core/xCAT-UI/js/monitor/gangliamon.js

/**
 * Global variables
 */

// Save grid summary data, update every one minute
var gridData;

// Save nodes path, used for getting detail from rrd file
var nodePath = new Object();

// Save nodes current status, 
// unknown = -2, error = -1, warning = 0, normal = 1 are used for sorting 
var nodeStatus = new Object();

// Update timer
var gangliaTimer;

// Global frame hash
var framehash;
// Global cec hash
var cechash;
// Global blade hash
var bladehash;
// Global x rack hash
var rackhash;
// Global other type node hash
var otherhash;

/**
 * Load Ganglia monitoring tool
 * 
 * @return Nothing
 */
function loadGangliaMon() {
    $('#gangliamon').append(createInfoBar('Checking RPMs'));
    
    // Get groups and set cookie
    if (!$.cookie('groups')) {
        $.ajax( {
            url : 'lib/cmd.php',
            dataType : 'json',
            data : {
                cmd : 'extnoderange',
                tgt : '/.*',
                args : 'subgroups',
                msg : ''
            },

            success : setGroupsCookies
        });
    }
    
    // Check whether Ganglia RPMs are installed on the xCAT MN
    $.ajax({
        url : 'lib/systemcmd.php',
        dataType : 'json',
        data : {
            cmd : 'rpm -q rrdtool ganglia-gmetad ganglia-gmond'
        },

        success : checkGangliaRPMs
    });
    return;
}

/**
 * Check whether Ganglia RPMs are installed
 * 
 * @param data Data returned from HTTP request
 */
function checkGangliaRPMs(data) {
    var gangliaTab = $('#gangliamon');
    gangliaTab.empty();
    
    // Get the list of Ganglia RPMs installed
    var status = data.rsp.split(/\n/);
    var gangliaRPMs = ["rrdtool", "ganglia-gmetad", "ganglia-gmond"];
    var warningMsg = 'Before continuing, please install the following packages: ';
    var missingRPMs = false;
    for (var i in status) {
        if (status[i].indexOf("not installed") > -1) {
            warningMsg += gangliaRPMs[i] + ' ';
            missingRPMs = true;
        }
    }

    // Append Ganglia PDF
    if (missingRPMs) {
        var warningBar = createWarnBar(warningMsg);
        warningBar.css('margin-bottom', '10px');
        warningBar.prependTo(gangliaTab);
    } else {
        gangliaTab.append(createInfoBar('Checking running status'));
        
        // Check if ganglia is running on the xCAT MN
        $.ajax( {
            url : 'lib/cmd.php',
            dataType : 'json',
            data : {
                cmd : 'monls',
                tgt : '',
                args : 'gangliamon',
                msg : ''
            },

            success : checkGangliaRunning
        });
    }
    
    return;
}

/**
 * Check whether Ganglia is running
 * 
 * @param data Data returned from HTTP request
 */
function checkGangliaRunning(data) {
    var gangliaTab = $('#gangliamon');
    gangliaTab.empty();
    
    // If Ganglia is not started
    if (data.rsp[0].indexOf("not-monitored") > -1) {
        // Create link to start Ganglia
        var startLnk = $('<a href="#">Click here</a>');
        startLnk.css({
            'color' : 'blue',
            'text-decoration' : 'none'
        });
        startLnk.click(function() {
            // Turn on Ganglia for all nodes
            monitorNode('', 'on');
        });

        // Create warning bar
        var warningBar = $('<div class="ui-state-error ui-corner-all"></div>');
        var msg = $('<p></p>').css({
            'display': 'inline-block',
            'width': '90%'
        });
        var icon = $('<span class="ui-icon ui-icon-alert"></span>').css({
            'display': 'inline-block',
            'margin': '10px 5px'
        });
        warningBar.append(icon);
        msg.append('Please start Ganglia on xCAT. ');
        msg.append(startLnk);
        msg.append(' to start Ganglia.');
        warningBar.append(msg);
        warningBar.css('margin-bottom', '10px');

        // If there are any warning messages, append this warning after it
        var curWarnings = $('#gangliamon').find('.ui-state-error');
        
        if (curWarnings.length) {
            curWarnings.after(warningBar);
        } else {
            warningBar.prependTo(gangliaTab);
        }
        
        return;
    }

    // Legend for node status
    var legend =    '<table style="float:right"><tr>' +
                          '<td style="background:#66CD00;width:16px;padding:0px;"> </td><td style="padding:0px;border:0px">Normal</td>' +
                          '<td style="background:#FFD700;width:16px;padding:0px;"> </td><td style="padding:0px;">Heavy Load</td>' +
                          '<td style="background:#FF3030;width:16px;padding:0px;"> </td><td style="padding:0px;">Error</td>' +
                          '<td style="background:#8B8B7A;width:16px;padding:0px;"> </td><td style="padding:0px;">Unknown</td>' +
                      '</tr></table>';
    
    // Gganglia grid overview
    var showStr = '<div><h3 style="display:inline;">Grid Overview</h3>' +
                  '<sup id="hidesup" style="cursor: pointer;color:blue;float:right">[Hide]</sup></div><hr>' +
                  '<div id="gangliaGridSummary"></div>' +
                  '<div><h3 style="display:inline;">Current Nodes Status</h3>' + legend + '</div><hr>' +
                  '<div id="zoomDiv" style="padding:0px 0px 12px 0px;"><span name="ALL">All Nodes</span></div>' +
                  '<div id="gangliaNodes"></div>';
    gangliaTab.append(showStr);

    // Get summary data and draw on page
    $('#gangliaGridSummary').append('Getting grid summary data <img src="images/loader.gif"></img>');
    sendGridSummaryAjax();
    
    // Get all nodes location data which can support the zoom monitor
    $('#gangliaNodes').append('Getting all nodes status <img src="images/loader.gif"></img>');
    sendLocationAjax();
    
    // Bind the hide/show button event
    $('#gangliamon #hidesup').bind('click', function(){
        if ('[Hide]' == $(this).text()) {
            $(this).html('[Show]');
        } else {
            $(this).html('[Hide]');
        }
        
        $('#gangliaGridSummary').toggle();
    });
}

/**
 * Send AJAX request to get all nodes parent and position to create hardware hierarchy hash
 */
function sendLocationAjax() {
    $.ajax({
        url : 'lib/cmd.php',
        dataType : 'json',
        data : {
            cmd : 'webrun',
            tgt : '',
            args : 'graph',
            msg : ''
        },
        
        success: function(data){
            if (!data.rsp[0]) {
                return;
            }
            
            extractLocationlData(data.rsp[0]);
            // Get nodes current status and draw on the page
            sendNodeCurrentAjax();
            
            // Start the timer to update page per minute
            gangliaTimer = window.setTimeout('updateGangliaPage()', 60000);
        }
    });
}

/**
 * Extract the location query data and saved in global variable
 */
function extractLocationlData(locationData) {
    framehash = new Object();
    cechash = new Object();
    bladehash = new Object();
    rackhash = new Object();
    
    // Linux nodes which has no parent
    linuxArray = new Array();
    
    // Other unknown nodes only have one parent, use number 1 as there parent
    otherhash = new Object();
    otherhash[1] = new Array();
    
    var allnodearray = locationData.split(';');
    var temparray;
    var parent = '';
    var name = '';
    for (var i in allnodearray) {
        temparray = allnodearray[i].split(':');
        name = temparray[0];
        
        // If there is not parent (or mpa, or rack) information
        parent = temparray[2];
        if (!parent) {
            // Go to next node
            otherhash[1].push(name);
            continue;
        }
        
        switch (temparray[1].toLowerCase()) {
            case 'blade': {
                if (!bladehash[parent]) {
                    bladehash[parent] = new Array();
                }
                
                bladehash[parent].push(name);
            }
            break;
            
            case 'systemx': {
                if (!rackhash[parent]) {
                    rackhash[parent] = new Array();
                }
                
                rackhash[parent].push(name);
            }
            break;
            
            case 'frame': {
                if (!framehash[name]) {
                    framehash[name] = new Array();
                }
            }
            break;

            case 'cec': {
                if (!framehash[parent]) {
                    framehash[parent] = new Array();
                }
                
                framehash[parent].push(name);
            }
            break;
            
            case 'lpar':
            case 'lpar,osi':
            case 'osi,lpar': {
                if (!cechash[parent]) {
                    cechash[parent] = new Array();
                }
                
                cechash[parent].push(name);
            }
            
            break;
            default: {
                otherhash[1].push(name);
            }
            break;
        }
    }
}

/**
 * Send AJAX request to get grid summary information
 */
function sendGridSummaryAjax() {
    // Get the summary data
    $.ajax({
        url : 'lib/cmd.php',
        dataType : 'json',
        data : {
            cmd : 'webrun',
            tgt : '',
            args : 'gangliashow;_grid_;hour;_summary_',
            msg : ''
        },
        
        success: function(data) {
            createGridSummaryData(data.rsp[0]);
            drawGridSummary();
        }
    });
}

/**
 * Send AJAX request to get nodes current load information
 */
function sendNodeCurrentAjax() {
    
    // Get all nodes current status
    $.ajax({
        url : 'lib/cmd.php',
        dataType : 'json',
        data : {
            cmd : 'webrun',
            tgt : '',
            args : 'gangliacurrent;node;',
            msg : ''
        },
        
        success: function(data){
            createNodeStatusData(data.rsp[0]);
            drawGangliaNodesArea($('#gangliaorder').val());
        }
    });
}

/**
 * Send AJAX request to get grid current summary information to update the page
 */
function sendGridCurrentAjax(){
    // Get the summary data
    $.ajax({
        url : 'lib/cmd.php',
        dataType : 'json',
        data : {
            cmd : 'webrun',
            tgt : '',
            args : 'gangliacurrent;grid',
            msg : ''
        },
        
        success: function(data){
            updateGridSummaryData(data.rsp[0]);
            drawGridSummary();
        }
    });
}

/**
 * Save the grid summary data to local global variable           
 */
function createGridSummaryData(summaryString){
    // Empty the global data
    // The data structure looks like: metric1:time11,val11,time12,val12,...;metric2:time21,val21,time22,val22,...;....
    gridData = new Object();
    
    var metricArray = summaryString.split(';');
    var metricname = '';
    var valueArray = '';
    var position = 0;
    var tempLength = 0;
    for (var index = 0; index < metricArray.length; index++) {
        position = metricArray[index].indexOf(':');
        
        // Get the metric name and init its global array to save timestamp and value pair
        metricname = metricArray[index].substr(0, position);
        gridData[metricname] = new Array();
        valueArray = metricArray[index].substr(position + 1).split(',');
        tempLength = valueArray.length;
        
        // Save timestamp and value into global array
        for (var i = 0; i < tempLength; i++) {
            gridData[metricname].push(Number(valueArray[i]));
        }
    }
}

/**
 * Update the grid summary data to local global variable
 */
function updateGridSummaryData(currentString){
    // The data structure looks like: metric1:time11,val11,time12,val12,...;metric2:time21,val21,time22,val22,...;....
    var metricArray = currentString.split(';');
    var metricname = '';
    var position = 0;
    var tempLength = 0;
    var index = 0;
    var tempArray;
    
    tempLength = metricArray.length;
    for (index = 0; index < tempLength; index++) {
        position = metricArray[index].indexOf(':');
        metricname = metricArray[index].substr(0, position);
        tempArray = metricArray[index].substr(position + 1).split(',');
        if (gridData[metricname]) {
            gridData[metricname].shift();
            gridData[metricname].shift();
            gridData[metricname].push(Number(tempArray[0]));
            gridData[metricname].push(Number(tempArray[1]));
        }
    }
}

/**
 * Draw the grid summay area by global data
 */
function drawGridSummary() {
    var gridDrawArea = $('#gangliaGridSummary');
    var showStr = '';
    var tempStr = $('#gangliamon').attr('class');
    
    // jqflot only draws on the visible area
    // If the tab is hide, return directly
    if (tempStr.indexOf('hide') != -1) {
        return;
    }
    
    if ($('#gangliamon #hidesup').text() == '[Show]') {
        return;
    }
    
    gridDrawArea.empty();
    showStr = '<table style="border-style:none;"><tr><td style="padding:0;border-style:none;"><div id="gangliasummaryload" class="monitor-sum-div"></div></td>' + 
              '<td style="padding:0;border-style:none;"><div id="gangliasummarycpu" class="monitor-sum-div"></div></td>' +
              '<td style="padding:0;border-style:none;"><div id="gangliasummarymem" class="monitor-sum-div"></div></td></tr>' +
              '<tr><td style="padding:0;border-style:none;"><div id="gangliasummarydisk" class="monitor-sum-div"></div></td>' +
              '<td style="padding:0;border-style:none;"><div id="gangliasummarynetwork" class="monitor-sum-div"></div></td>' +
              '<td style="padding:0;border-style:none;"></td></tr></table>';
    gridDrawArea.append(showStr);
    drawLoadFlot('gangliasummaryload', 'Grid', gridData['load_one'], gridData['cpu_num']);
    drawCpuFlot('gangliasummarycpu', 'Grid', gridData['cpu_idle']);
    drawMemFlot('gangliasummarymem', 'Grid', gridData['mem_free'], gridData['mem_total']);
    drawDiskFlot('gangliasummarydisk', 'Grid', gridData['disk_free'], gridData['disk_total']);
    drawNetworkFlot('gangliasummarynetwork', 'Grid', gridData['bytes_in'], gridData['bytes_out']);
}

/**
 * Draw the load flot by data (summary data or one node data)
 * 
 * @param areaid Which DIV draw this flot
 * @param loadpair The load timestamp and value pair
 * @param cpupair The CPU number and value pair
 */
function drawLoadFlot(areaid, titleprefix, loadpair, cpupair) {
    var load = new Array();
    var cpunum = new Array();
    var index = 0;
    var yaxismax = 0;
    var interval = 1;
    
    $('#' + areaid).empty();
    // Parse load pair, the timestamp must mutiply 1000, javascript time stamp is millisecond
    for (index = 0; index < loadpair.length; index += 2) {
        load.push([loadpair[index] * 1000, loadpair[index + 1]]);
        if (loadpair[index + 1] > yaxismax) {
            yaxismax = loadpair[index + 1];
        }
    }
    
    // Parse cpu pair
    for (index = 0; index < cpupair.length; index += 2) {
        cpunum.push([cpupair[index] * 1000, cpupair[index + 1]]);
        if (cpupair[index + 1] > yaxismax) {
            yaxismax = cpupair[index + 1];
        }
    }
    
    interval = parseInt(yaxismax / 3);
    if (interval < 1) {
        interval = 1;
    }
    
    $.jqplot(areaid, [load, cpunum], {
        title: titleprefix + ' Loads/Procs Last Hour',
        axes:{
            xaxis:{
                renderer : $.jqplot.DateAxisRenderer,
                numberTicks: 4,
                tickOptions : {
                    formatString : '%R',
                    show : true
                }
            },
            yaxis: {
                min : 0,
                tickInterval : interval
            }
        },
        legend : {
            show: true,
            location: 'nw'
        },
        series:[{label:'Load'}, {label: 'CPU Number'}],
        seriesDefaults : {showMarker: false}
    });
}

/**
 * Draw the CPU usage flot by data (maybe summary data or one node data)
 * 
 * @param areaid Which DIV draw this flot
 * @param titleprefix Title used name
 * @param cpupair The CPU timestamp and value pair
 */
function drawCpuFlot(areaid, titleprefix, cpupair) {
    var cpu = new Array();
    var index = 0;
    
    $('#' + areaid).empty();
    
    // Time stamp should be mutiplied by 1000
    // We get the CPU idle from server
    for (index = 0; index < cpupair.length; index +=2) {
        cpu.push([(cpupair[index] * 1000), (100 - cpupair[index + 1])]);
    }
    
    $.jqplot(areaid, [cpu],{
        title: titleprefix + ' Cpu Use Last Hour',
        axes:{
            xaxis:{
                renderer : $.jqplot.DateAxisRenderer,
                numberTicks: 4,
                tickOptions : {
                    formatString : '%R',
                    show : true
                }
            },
            yaxis: {
                min : 0,
                max : 100,
                tickOptions:{formatString : '%d\%'}
            }
        },
        seriesDefaults : {showMarker: false}
    });
}

/**
 * Draw the memory usage flot by data (summary data or one node data)
 * 
 * @param areaid Which DIV draw this flot
 * @param titleprefix Title used name
 * @param cpupair The CPU timestamp and value pair
 */
function drawMemFlot(areaid, titleprefix, freepair, totalpair){
    var use = new Array();
    var total = new Array();
    var tempsize = 0;
    var index = 0;
    
    $('#' + areaid).empty();
    if (freepair.length < totalpair.length) {
        tempsize = freepair.length;
    } else {
        tempsize = freepair.length;
    }
    
    for (index = 0; index < tempsize; index += 2) {
        var temptotal = totalpair[index + 1];
        var tempuse = temptotal - freepair[index + 1];
        temptotal = temptotal / 1000000;
        tempuse = tempuse / 1000000;
        total.push([totalpair[index] * 1000, temptotal]);
        use.push([freepair[index] * 1000, tempuse]);
    }
    
    $.jqplot(areaid, [use, total], {
        title: titleprefix + ' Memory Use Last Hour',
        axes:{
            xaxis:{
                renderer : $.jqplot.DateAxisRenderer,
                numberTicks: 4,
                tickOptions : {
                    formatString : '%R',
                    show : true
                }
            },
            yaxis: {
                min : 0,
                tickOptions:{formatString : '%.2fG'}
            }
        },
        legend : {
            show: true,
            location: 'nw'
        },
        series:[{label:'Used'}, {label: 'Total'}],
        seriesDefaults : {showMarker: false}
    });
}

/**
 * Draw the disk usage flot by data (summary data or one node's data)
 * 
 * @param areaid Which div draw this flot
 * @param titleprefix Title used name
 * @param freepair The free disk number, Ganglia only logs the free data
 * @param totalpair The total disk number
 */
function drawDiskFlot(areaid, titleprefix, freepair, totalpair) {
    var use = new Array();
    var total = new Array();
    var tempsize = 0;
    var index = 0;
    
    $('#' + areaid).empty();
    if (freepair.length < totalpair.length) {
        tempsize = freepair.length;
    } else{
        tempsize = freepair.length;
    }
    
    for (index = 0; index < tempsize; index += 2) {
        var temptotal = totalpair[index + 1];
        var tempuse = temptotal - freepair[index + 1];
        total.push([totalpair[index] * 1000, temptotal]);
        use.push([freepair[index] * 1000, tempuse]);
    }
    
    $.jqplot(areaid, [use, total], {
        title: titleprefix + ' Disk Use Last Hour',
        axes:{
            xaxis:{
                renderer : $.jqplot.DateAxisRenderer,
                numberTicks: 4,
                tickOptions : {
                    formatString : '%R',
                    show : true
                }
            },
            yaxis: {
                min : 0,
                tickOptions:{formatString : '%.2fG'}
            }
        },
        legend : {
            show: true,
            location: 'nw'
        },
        series:[{label:'Used'}, {label: 'Total'}],
        seriesDefaults : {showMarker: false}
    });
}

/**
 * Draw the network load flot by data (summary data or one node data)
 * 
 * @param areaid Which div draw this flot
 * @param titleprefix Title used name
 * @param inpair The timestamp and value pair for download
 * @param outpair The timestamp and value pair for upload
 */
function drawNetworkFlot(areaid, titleprefix, inpair, outpair) {
    var inArray = new Array();
    var outArray = new Array();
    var index = 0;
    var maxvalue = 0;
    var unitname = 'B';
    var divisor = 1;
    
    for (index = 0; index < inpair.length; index += 2) {
        if (inpair[index + 1] > maxvalue) {
            maxvalue = inpair[index + 1];
        }
    }
    
    for (index = 0; index < outpair.length; index += 2) {
        if (outpair[index + 1] > maxvalue) {
            maxvalue = outpair[index + 1];
        }
    }
    
    if (maxvalue > 3000000) {
        divisor = 1000000;
        unitname = 'GB';
    } else if (maxvalue >= 3000) {
        divisor = 1000;
        unitname = 'MB';
    } else {
        // Do nothing
    }
    
    for (index = 0; index < inpair.length; index += 2) {
        inArray.push([(inpair[index] * 1000), (inpair[index + 1] / divisor)]);
    }
    
    for (index = 0; index < outpair.length; index += 2) {
        outArray.push([(outpair[index] * 1000), (outpair[index + 1] / divisor)]);
    }
    
    $.jqplot(areaid, [inArray, outArray], {
        title: titleprefix + ' Network Last Hour',
        axes:{
            xaxis:{
                renderer : $.jqplot.DateAxisRenderer,
                numberTicks: 4,
                tickOptions : {
                    formatString : '%R',
                    show : true
                }
            },
            yaxis: {
                min : 0,
                tickOptions:{formatString : '%d' + unitname}
            }
        },
        legend : {
            show: true,
            location: 'nw'
        },
        series:[{label:'In'}, {label: 'Out'}],
        seriesDefaults : {showMarker: false}
    });
}

/**
 * Create node status data
 * 
 * @param nodesStatus Node status
 */
function createNodeStatusData(nodesStatus) {
    var nodesArray = nodesStatus.split(';');
    var position = 0;
    var nodename = '';
    var index = 0;
    var tempArray;
    var tempStr = '';
    
    for (index in nodePath) {
        delete(nodePath[index]);
    }
    
    for (index in nodeStatus) {
        delete(nodeStatus[index]);
    }
    
    for (index = 0; index < nodesArray.length; index++) {
        tempStr = nodesArray[index];
        position = tempStr.indexOf(':');
        nodename = tempStr.substring(0, position);
        tempArray = tempStr.substring(position + 1).split(',');
        nodeStatus[nodename] = tempArray[0];
        if (('WARNING' == tempArray[0]) || ('NORMAL' == tempArray[0])){
            nodePath[nodename] = tempArray[1];
        }
    }
}

/**
 * Draw nodes current status
 */
function drawGangliaNodesArea() {
    var position = 0;
    
    // Find out the last child's type and name
    var currentobj = $('#zoomDiv span:last');
    var type = currentobj.attr('name').toLowerCase();
    var name = currentobj.text();
    position = name.indexOf('(');
    
    if (position > -1) {
        name = name.substr(3, position - 3);
    }
    $('#gangliaNodes').empty();
    
    switch (type) {
        // Draw the node current status
        case 'blade':
        case 'cec':
        case 'rack':
        case 'other': {
            drawGangliaNodesAreaPic(type, name);
        }
        break;
        
        // Draw a summary table
        case 'all':
        case 'frame': {
            drawGangliaNodesAreaTable(type, name);
        }
        break;
        default:
            break;
    }
}

function drawGangliaNodesAreaPic(type, name) {
    var index = 0;
    var arraypoint = '';
    var templength = 0;
    var showStr = '';
    var nodename = '';
    var temparray;
    
    switch(type) {
        case 'blade': {
            arraypoint = bladehash[name];
        }
        break;
        case 'cec': {
            arraypoint = cechash[name];
        }
        break;
        case 'rack': {
            arraypoint = rackhash[name];
        }
        break;
        case 'other': {
            arraypoint = otherhash[1];
        }
        default:
            break;
    }
    $('#gangliaNodes').html('<ul style="margin:0px;padding:0px;"></ul>');
    
    temparray = arraypoint.sort();
    templength = arraypoint.length;
    
    for (index = 0; index < templength; index++) {
        nodename = temparray[index];
        switch (nodeStatus[nodename]) {
            case 'ERROR':
                showStr = '<li class="monitor-error ui-corner-all monitor-node-li" title="' + nodename + '"></li>';
                break;
            case 'WARNING':
                showStr = '<li class="mornitor-warning ui-corner-all monitor-node-li" title="' + nodename + '"></li>';
                break;
            case 'NORMAL':
                showStr = '<li class="monitor-normal ui-corner-all monitor-node-li" title="' + nodename + '"></li>';
                break;
            default:
                showStr = '<li class="monitor-unknown ui-corner-all monitor-node-li" title="' + nodename + '"></li>';
                break;
        }
        $('#gangliaNodes ul').append(showStr);
    }
    
    // Bind all normal and warning nodes click event
    $('.monitor-normal,.monitorwarning').bind('click', function() {
        var nodename = $(this).attr('title');
        window.open('ganglianode.php?n=' + nodename + '&p=' + nodePath[nodename],
                'nodedetail','height=430,width=950,scrollbars=yes,status =no');
    });
}

function drawGangliaNodesAreaTable(type, name) {
    var table = $('<table></table>');
    var row = '';
    var usedCec = new Object();
    
    var header = $('<thead class="ui-widget-header"> <th>Name</th><th>Type</th><th>Normal</th><th>Heavy Load</th><th>Error</th><th>Unknown</th> </thead>');
    table.append(header);
    
    if (type == 'all') {
        for (var i in framehash) {
            var framename = i;
            row = '<tr><td><a href="#" onclick="addZoomDiv(this)" name="frame">' + framename + '</a></td><td>Frame</td>' + 
                     monitorStatAgg('frame', framehash[i]) + '</tr>';
            table.append(row);
            for(var j in framehash[i]){
                usedCec[framehash[i][j]] = 1;
            }
        }
        
        for (var i in cechash) {
            if (usedCec[i]) {
                continue;
            }
            var cecname = i;
            row = '<tr><td><a href="#" onclick="addZoomDiv(this)" name="cec">' + cecname + '</a></td><td>CEC</td>' + 
                     monitorStatAgg('cec', cechash[i]) + '</tr>';
            table.append(row);
        }
        
        for (var i in bladehash) {
            var bladename = i;
            row = '<tr><td><a href="#" onclick="addZoomDiv(this)" name="blade">' + bladename + '</a></td><td>Blade</td>' + 
                     monitorStatAgg('blade', bladehash[i]) + '</tr>';
            table.append(row);
        }
        
        for (var i in rackhash) {
            var rackname = i;
            row = '<tr><td><a href="#" onclick="addZoomDiv(this)" name="rack">' + rackname + '</a></td><td>Rack</td>' +
                     monitorStatAgg('rack', rackhash[i]) + '</tr>';
            table.append(row);
        }
        
        if (otherhash[1].length > 0) {
            row = '<tr><td><a href="#" onclick="addZoomDiv(this)" name="other">Other</a></td><td>Other</td>' +
                     monitorStatAgg('other', otherhash[1]) + '</tr>';
            table.append(row);
        }
    } else {
        for (var i in framehash[name]) {
            var cecname = framehash[name][i];
            row = '<tr><td><a href="#" onclick="addZoomDiv(this)" name="cec">' + cecname + '</a></td>' +
                     '<td>CEC</td>' + monitorStatAgg('cec', cechash[cecname]) + '</tr>';
            table.append(row);
        }
    }
    
    $('#gangliaNodes').append(table);
}

/**
 * Update all tab per minute
 */
function monitorStatAgg(type, inputarray) {
    var normalnum = 0;
    var warningnum = 0;
    var errornum = 0;
    var nuknownnum = 0;
    var tempArray;
    var tempname;
    
    switch (type) {
        case 'blade':
        case 'cec':
        case 'rack':
        case 'other': {
            tempArray = inputarray;
        }
        break;
        case 'frame': {
            tempArray = new Array();
            for (var i in inputarray){
                tempname = inputarray[i];
                for (var j in cechash[tempname]) {
                    tempArray.push(cechash[tempname][j]);
                }
            }
        }
        break;
        default:
            return;
        break;
    }
    
    for (var i in tempArray) {
        tempname = tempArray[i];
        switch(nodeStatus[tempname]) {
            case 'NORMAL':
                normalnum++;
            break;
            case 'WARNING':
                warningnum++;
            break;
            case 'ERROR':
                errornum++;
            break;
            default:
                nuknownnum++;
            break;
        }
    }
    
    normalnum = normalnum?normalnum:'-';
    warningnum = warningnum?warningnum:'-';
    errornum = errornum?errornum:'-';
    nuknownnum = nuknownnum?nuknownnum:'-';
    
    return ('<td>' + normalnum + '</td><td>' + warningnum + '</td><td>' + errornum + '</td><td>' + nuknownnum + '</td>');
}

/**
 * Update all tab per minute
 */
function updateGangliaPage() {
    if ($('#gangliaNodes').size() < 1) {
        return;
    }
    
    sendGridCurrentAjax();
    sendNodeCurrentAjax();
    
    gangliaTimer = window.setTimeout('updateGangliaPage()', 60000);
}

/**
 * Change the zoom area when clicked
 */
function updateZoom(obj) {
    var type=$(obj).attr('name');
    while ($('#zoomDiv span:last').attr('name') != type) {
        $('#zoomDiv span:last').remove();
    }
    $(obj).removeClass('monitor-zoom-link');
    $(obj).unbind('click');
    
    drawGangliaNodesArea();
}

/**
 * Add the zoom level when clicked
 */
function addZoomDiv(obj) {
    var name = $(obj).text();
    var type = $(obj).attr('name');
    
    var lastzoomobj = $('#zoomDiv span:last');
    lastzoomobj.addClass('monitor-zoom-link');
    lastzoomobj.bind('click', function() {
        updateZoom(this);
    });
    
    var newcontent = ' > ' + name + '(' + type.toUpperCase() + ')';
    var newli = '<span name="' + type + '">' + newcontent + '</span>';
    $('#zoomDiv').append(newli);
    
    drawGangliaNodesArea();
}