grafana/panels/pie/module.js

308 lines
9.6 KiB
JavaScript

/*
## Pie
This panel is probably going away. For now its has 2 modes:
* terms: Run a terms facet on the query. You're gonna have a bad (ES crashing) day
if you run in this mode on a high cardinality field
* goal: Compare the query to this number and display the percentage that the query
represents
### Parameters
* query :: An object with 3 possible parameters depends on the mode:
** field: Fields to run a terms facet on. Only does anything in terms mode
** query: A string of the query to run
** goal: How many to shoot for, only does anything in goal mode
* exclude :: In terms mode, ignore these terms
* donut :: Drill a big hole in the pie
* tilt :: A janky 3D representation of the pie. Looks terrible 90% of the time.
* legend :: Show the legend?
* labels :: Label the slices of the pie?
* mode :: 'terms' or 'goal'
* default_field :: LOL wat? A dumb fail over field if for some reason the query object
doesn't have a field
* spyable :: Show the 'eye' icon that displays the last ES query for this panel
### Group Events
#### Sends
* get_time :: On panel initialization get time range to query
#### Receives
* time :: An object containing the time range to use and the index(es) to query
* query :: An Array of queries, this panel will use the first in the array
*/
angular.module('kibana.pie', [])
.controller('pie', function($scope, eventBus) {
// Set and populate defaults
var _d = {
status : "Deprecating Soon",
query : { field:"_all", query:"*", goal: 1},
size : 10,
exclude : [],
donut : false,
tilt : false,
legend : true,
labels : true,
mode : "terms",
group : "default",
default_field : 'DEFAULT',
spyable : true,
}
_.defaults($scope.panel,_d)
$scope.init = function() {
eventBus.register($scope,'time', function(event,time){set_time(time)});
eventBus.register($scope,'query', function(event, query) {
$scope.panel.query.query = _.isArray(query) ? query[0] : query;
$scope.get_data();
});
// Now that we're all setup, request the time from our group
eventBus.broadcast($scope.$id,$scope.panel.group,'get_time')
}
$scope.remove_query = function(q) {
if($scope.panel.mode !== 'query')
return false;
$scope.panel.query = _.without($scope.panel.query,q);
$scope.get_data();
}
$scope.add_query = function(label,query) {
if($scope.panel.mode !== 'query')
return false;
$scope.panel.query.unshift({
query: query,
label: label,
});
$scope.get_data();
}
$scope.set_mode = function(mode) {
switch(mode)
{
case 'terms':
$scope.panel.query = {query:"*",field:"_all"};
break;
case 'goal':
$scope.panel.query = {query:"*",goal:100};
break;
}
}
$scope.get_data = function() {
// Make sure we have everything for the request to complete
if(_.isUndefined($scope.index) || _.isUndefined($scope.time))
return
$scope.panel.loading = true;
var request = $scope.ejs.Request().indices($scope.index);
// Terms mode
if ($scope.panel.mode == "terms") {
request = request
.facet(ejs.TermsFacet('pie')
.field($scope.panel.query.field || $scope.panel.default_field)
.size($scope.panel['size'])
.exclude($scope.panel.exclude)
.facetFilter(ejs.QueryFilter(
ejs.FilteredQuery(
ejs.QueryStringQuery($scope.panel.query.query || '*'),
ejs.RangeFilter($scope.time.field)
.from($scope.time.from)
.to($scope.time.to)
)))).size(0)
$scope.populate_modal(request);
var results = request.doSearch();
// Populate scope when we have results
results.then(function(results) {
$scope.panel.loading = false;
$scope.hits = results.hits.total;
$scope.data = [];
var k = 0;
_.each(results.facets.pie.terms, function(v) {
var slice = { label : v.term, data : v.count };
$scope.data.push();
if(!(_.isUndefined($scope.panel.colors))
&& _.isArray($scope.panel.colors)
&& $scope.panel.colors.length > 0) {
slice.color = $scope.panel.colors[k%$scope.panel.colors.length];
}
$scope.data.push(slice)
k = k + 1;
});
$scope.$emit('render');
});
// Goal mode
} else {
request = request
.query(ejs.QueryStringQuery($scope.panel.query.query || '*'))
.filter(ejs.RangeFilter($scope.time.field)
.from($scope.time.from)
.to($scope.time.to)
.cache(false))
.size(0)
$scope.populate_modal(request);
var results = request.doSearch();
results.then(function(results) {
$scope.panel.loading = false;
var complete = results.hits.total;
var remaining = $scope.panel.query.goal - complete;
$scope.data = [
{ label : 'Complete', data : complete, color: '#BF6730' },
{ data : remaining, color: '#e2d0c4'}]
$scope.$emit('render');
});
}
}
// I really don't like this function, too much dom manip. Break out into directive?
$scope.populate_modal = function(request) {
$scope.modal = {
title: "Inspector",
body : "<h5>Last Elasticsearch Query</h5><pre>"+
'curl -XGET '+config.elasticsearch+'/'+$scope.index+"/_search?pretty -d'\n"+
angular.toJson(JSON.parse(request.toString()),true)+
"'</pre>",
}
}
$scope.build_search = function(field,value) {
$scope.panel.query.query = add_to_query($scope.panel.query.query,field,value,false)
$scope.get_data();
eventBus.broadcast($scope.$id,$scope.panel.group,'query',[$scope.panel.query.query]);
}
function set_time(time) {
$scope.time = time;
$scope.index = _.isUndefined(time.index) ? $scope.index : time.index
$scope.get_data();
}
})
.directive('pie', function() {
return {
restrict: 'A',
link: function(scope, elem, attrs) {
elem.html('<center><img src="common/img/load_big.gif"></center>')
// Receive render events
scope.$on('render',function(){
render_panel();
});
// Or if the window is resized
angular.element(window).bind('resize', function(){
render_panel();
});
// Function for rendering panel
function render_panel() {
var scripts = $LAB.script("common/lib/panels/jquery.flot.js").wait()
.script("common/lib/panels/jquery.flot.pie.js")
if(scope.panel.mode === 'goal')
var label = {
show: scope.panel.labels,
radius: 0,
formatter: function(label, series){
var font = parseInt(scope.row.height.replace('px',''))/8 + String('px')
if(!(_.isUndefined(label)))
return '<div style="font-size:'+font+';font-weight:bold;text-align:center;padding:2px;color:#fff;">'+
Math.round(series.percent)+'%</div>';
else
return ''
},
}
else
var label = {
show: scope.panel.labels,
radius: 2/3,
formatter: function(label, series){
return '<div ng-click="build_search(panel.query.field,\''+label+'\') "style="font-size:8pt;text-align:center;padding:2px;color:white;">'+
label+'<br/>'+Math.round(series.percent)+'%</div>';
},
threshold: 0.1
}
var pie = {
series: {
pie: {
innerRadius: scope.panel.donut ? 0.45 : 0,
tilt: scope.panel.tilt ? 0.45 : 1,
radius: 1,
show: true,
combine: {
color: '#999',
label: 'The Rest'
},
label: label,
stroke: {
width: 0
}
}
},
//grid: { hoverable: true, clickable: true },
grid: {
backgroundColor: null,
hoverable: true,
clickable: true
},
legend: { show: false },
colors: ['#86B22D','#BF6730','#1D7373','#BFB930','#BF3030','#77207D']
};
// Populate element
if(elem.is(":visible")){
scripts.wait(function(){
scope.plot = $.plot(elem, scope.data, pie);
});
}
}
function piett(x, y, contents) {
var tooltip = $('#pie-tooltip').length ?
$('#pie-tooltip') : $('<div id="pie-tooltip"></div>');
tooltip.html(contents).css({
position: 'absolute',
top : y + 10,
left : x + 10,
color : "#c8c8c8",
padding : '10px',
'font-size': '11pt',
'font-weight' : 200,
'background-color': '#1f1f1f',
'border-radius': '5px',
}).appendTo("body");
}
elem.bind("plotclick", function (event, pos, object) {
if (!object)
return;
if(scope.panel.mode === 'terms')
scope.build_search(scope.panel.query.field,object.series.label);
});
elem.bind("plothover", function (event, pos, item) {
if (item) {
var percent = parseFloat(item.series.percent).toFixed(1) + "%";
piett(pos.pageX, pos.pageY, "<div style='vertical-align:middle;display:inline-block;background:"+item.series.color+";height:15px;width:15px;border-radius:10px;'></div> " +
(item.series.label||"")+ " " + percent);
} else {
$("#pie-tooltip").remove();
}
});
}
};
})