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

410 lines
10 KiB
JavaScript

/**
* Global variables
*/
var gangliaTableId = 'nodesDatatable';
var gangliaData;
/**
* Load Ganglia monitoring tool
*
* @return Nothing
*/
function loadGangliaMon() {
// Get Ganglia tab
var gangliaTab = $('#gangliamon');
// 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 ganglia-web'
},
success : checkGangliaRPMs
});
// Create groups and nodes DIV
var groups = $('<div id="groups"></div>');
var nodes = $('<div id="nodes"></div>');
gangliaTab.append(groups);
gangliaTab.append(nodes);
// Create info bar
var info = createInfoBar('Select a group to view its nodes');
nodes.append(info);
// Get groups
$.ajax( {
url : 'lib/cmd.php',
dataType : 'json',
data : {
cmd : 'extnoderange',
tgt : '/.*',
args : 'subgroups',
msg : ''
},
success : loadGroups4Ganglia
});
return;
}
/**
* Check whether Ganglia RPMs are installed
*
* @param data
* Data returned from HTTP request
* @return Nothing
*/
function checkGangliaRPMs(data) {
var gangliaTab = $('#gangliamon');
// Get the list of Ganglia RPMs installed
var status = data.rsp.split(/\n/);
var gangliaRPMs = [ "rrdtool", "ganglia-gmetad", "ganglia-gmond", "ganglia-web" ];
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) {
warningMsg += ". Refer to <a href='http://xcat.svn.sourceforge.net/viewvc/xcat/xcat-core/trunk/xCAT-client/share/doc/xCAT2-Monitoring.pdf'>xCAT2-Monitoring.pdf</a> for more information.";
var warningBar = createWarnBar(warningMsg);
warningBar.css('margin-bottom', '10px');
warningBar.prependTo(gangliaTab);
} else {
// Check if ganglia is running on the xCAT MN
$.ajax( {
url : 'lib/cmd.php',
dataType : 'json',
data : {
cmd : 'monls',
tgt : '',
args : 'gangliamon',
msg : ''
},
/**
* Append warning message
*
* @param data
* Data returned from HTTP request
* @return Nothing
*/
success : function(data) {
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>');
msg.append('<span class="ui-icon ui-icon-alert"></span>');
msg.append('Please start Ganglia Monitoring on xCAT. ');
msg.append(startLnk);
msg.append(' to start Ganglia Monitoring.');
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');
var gangliaTab = $('#gangliamon');
if (curWarnings.length) {
curWarnings.after(warningBar);
} else {
warningBar.prependTo(gangliaTab);
}
}
}
});
}
return;
}
/**
* Load groups
*
* @param data
* Data returned from HTTP request
* @return
*/
function loadGroups4Ganglia(data) {
// Remove loader
$('#groups').find('img').remove();
var groups = data.rsp;
setGroupsCookies(data);
// Create a list of groups
var ul = $('<ul></ul>');
var item = $('<li id="root"><h3>Groups</h3></li>');
ul.append(item);
var subUL = $('<ul></ul>');
item.append(subUL);
// Create a link for each group
for ( var i = groups.length; i--;) {
var subItem = $('<li id="' + groups[i] + '"></li>');
var link = $('<a>' + groups[i] + '</a>');
subItem.append(link);
subUL.append(subItem);
}
// Turn groups list into a tree
$('#groups').append(ul);
$('#groups').jstree( {
core : {
"initially_open" : [ "root" ]
},
themes : {
"theme" : "default",
"dots" : false, // No dots
"icons" : false // No icons
}
});
// Load nodes onclick
$('#groups').bind('select_node.jstree', function(event, data) {
// If there are subgroups, remove them
data.rslt.obj.children('ul').remove();
var thisGroup = jQuery.trim(data.rslt.obj.text());
if (thisGroup) {
// Clear nodes division
$('#nodes').children().remove();
// Create link to Ganglia
var gangliaLnk = $('<a href="#">Click here</a>');
gangliaLnk.css( {
'color' : 'blue',
'text-decoration' : 'none'
});
gangliaLnk.click(function() {
// Open a new window for Ganglia
window.open('../ganglia/');
});
// Create info bar
var info = $('<div class="ui-state-highlight ui-corner-all"></div>');
info.append('<span class="ui-icon ui-icon-info" style="display: inline-block; margin: 10px 5px;"></span>');
var msg = $('<p style="display: inline-block; width: 95%;"></p>');
msg.append('Below is a summary of nodes within the selected group. ');
msg.append(gangliaLnk);
msg.append(' to open the Ganglia page.');
info.append(msg);
info.css('margin-bottom', '10px');
$('#nodes').append(info);
// Create loader
var loader = $('<center></center>').append(createLoader());
$('#nodes').append(loader);
// To improve performance, get all nodes within selected group
// Get node definitions only for first 50 nodes
$.ajax( {
url : 'lib/cmd.php',
dataType : 'json',
data : {
cmd : 'nodels',
tgt : thisGroup,
args : '',
msg : thisGroup
},
/**
* Get node definitions
*
* @param data
* Data returned from HTTP request
* @return Nothing
*/
success : function(data) {
var group = data.msg;
// Get nodes definitions
$.ajax( {
url : 'lib/cmd.php',
dataType : 'json',
data : {
cmd : 'nodestat',
tgt : group,
args : '',
msg : group
},
success : loadGangliaSummary
});
}
});
// Get subgroups within selected group
// only when this is the parent group and not a subgroup
if (data.rslt.obj.attr('id').indexOf('Subgroup') < 0) {
$.ajax( {
url : 'lib/cmd.php',
dataType : 'json',
data : {
cmd : 'extnoderange',
tgt : thisGroup,
args : 'subgroups',
msg : thisGroup
},
success : loadSubgroups
});
}
} // End of if (thisGroup)
});
}
/**
* Load Ganglia summary page
*
* @param data
* Data returned from HTTP request
* @return Nothing
*/
function loadGangliaSummary(data) {
// Data returned
var rsp = data.rsp;
// Group name
var group = data.msg;
// Node attributes hash
var attrs = new Object();
var node, status, args;
for ( var i in rsp) {
// Get key and value
args = rsp[i].split(':', 2);
node = jQuery.trim(args[0]);
status = jQuery.trim(args[1]);
// Create a hash table
attrs[node] = new Object();
attrs[node]['status'] = status;
}
// Save node attributes hash
gangliaData = attrs;
// Get the status of Ganglia
// Then create pie chart for node and Ganglia status
$.ajax( {
url : 'lib/cmd.php',
dataType : 'json',
data : {
cmd : 'webrun',
tgt : '',
args : 'gangliastatus;' + group,
msg : ''
},
success : loadGangliaStatus
});
}
/**
* Load the status of Ganglia for a given group
*
* @param data
* Data returned from HTTP request
* @return Nothing
*/
function loadGangliaStatus(data) {
// Remove loader
$('#nodes').find('img').remove();
// Get datatable
var ganglia = data.rsp;
var node, ping, monitored;
// Count nodes that are pingable and not pingable
// and nodes that are pingable and monitored by Ganglia
var pingWGanglia = 0;
var pingWOGanglia = 0;
var noping = 0;
for ( var i in ganglia) {
// ganglia[0] = nodeName and ganglia[1] = state
node = jQuery.trim(ganglia[i][0]);
monitored = jQuery.trim(ganglia[i][1]);
ping = gangliaData[node]['status'];
// If the node is monitored, increment count
if (ping == 'sshd' && monitored == 'on') {
pingWGanglia++;
} else if (ping == 'sshd' && monitored == 'off') {
pingWOGanglia++;
} else {
noping++;
}
}
// Create pie chart
var summary = $('<div id="ganglia_sum"></div>');
$('#nodes').append(summary);
// Create pie details
var details = $('<div id="ganglia_details"></div>');
$('#nodes').append(details);
var pie = [['Ping & monitored', pingWGanglia], ['Ping & not monitored', pingWOGanglia], ['Noping', noping]];
var chart = $.jqplot('ganglia_sum', [ pie ], {
seriesDefaults : {
renderer : $.jqplot.PieRenderer
},
seriesColors : [
'#3CB548', '#FE9A2E', '#848484' // Green, orange, grey
],
legend : {
show : true
},
grid : {
background : 'transparent',
borderColor : 'white',
borderWidth : '0px',
shadow : false
},
show : true
});
// Change CSS styling for legend
summary.find('table').css({
'border-style': 'none'
}).find('td').css({
'border-style': 'none'
});
// Show details on mouse-over
$('#ganglia_sum').bind('jqplotDataMouseOver', function(env, srIndex, ptIndex, data) {
// Show for 8 seconds before sliding up
$('#ganglia_details').children().remove();
$('#ganglia_details').show();
$('#ganglia_details').append($('<p>' + data[1] + ' node(s) ' + data[0] + '</p>'));
$('#ganglia_details').delay(8000).slideUp();
});
// Open nodes page on-click
$('#ganglia_sum').bind('jqplotDataClick', function(env, srIndex, ptIndex, data) {
window.open('../xcat/index.php');
});
// Special note
// To redraw pie chart:
// - Use chart.series[0].data[i] to reference existing data
// - Use chart.redraw() to redraw chart
}