mirror of
https://github.com/grafana/grafana.git
synced 2026-07-29 15:59:50 -05:00
Added sparklines panel
This commit is contained in:
Rashid Khan
@@ -465,7 +465,7 @@ function($, _, moment) {
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kbn.colorSteps = function(col,steps) {
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var _d = steps > 5 ? 1.6/steps : 0.3, // distance between steps
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var _d = steps > 5 ? 1.6/steps : 0.25, // distance between steps
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_p = []; // adjustment percentage
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// Create a range of numbers between -0.8 and 0.8
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@@ -0,0 +1,23 @@
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<div class="editor-row">
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<div class="section">
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<h5>Values</h5>
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<div class="editor-option">
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<label class="small">Chart value</label>
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<select ng-change="set_refresh(true)" class="input-small" ng-model="panel.mode" ng-options="f for f in ['count','min','mean','max','total']"></select>
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</div>
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<div class="editor-option">
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<label class="small">Time Field</label>
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<input ng-change="set_refresh(true)" placeholder="Start typing" bs-typeahead="fields.list" type="text" class="input-small" ng-model="panel.time_field">
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</div>
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<div class="editor-option" ng-show="panel.mode != 'count'">
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<label class="small">Value Field <tip>This field must contain a numeric value</tip></label>
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<input ng-change="set_refresh(true)" placeholder="Start typing" bs-typeahead="fields.list" type="text" class="input-large" ng-model="panel.value_field">
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</div>
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</div>
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<div class="section">
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<h5>Transform Series</h5>
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<div class="editor-option">
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<label class="small">Derivative <tip>Plot the change per interval in the series</tip></label><input type="checkbox" ng-model="panel.derivative" ng-checked="panel.derivative" ng-change="set_refresh(true)">
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</div>
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</div>
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</div>
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@@ -0,0 +1,57 @@
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define([
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'kbn'
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],
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function (kbn) {
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'use strict';
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/**
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* manages the interval logic
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* @param {[type]} interval_string An interval string in the format '1m', '1y', etc
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*/
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function Interval(interval_string) {
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this.string = interval_string;
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var info = kbn.describe_interval(interval_string);
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this.type = info.type;
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this.ms = info.sec * 1000 * info.count;
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// does the length of the interval change based on the current time?
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if (this.type === 'y' || this.type === 'M') {
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// we will just modify this time object rather that create a new one constantly
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this.get = this.get_complex;
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this.date = new Date(0);
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} else {
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this.get = this.get_simple;
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}
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}
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Interval.prototype = {
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toString: function () {
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return this.string;
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},
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after: function(current_ms) {
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return this.get(current_ms, 1);
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},
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before: function (current_ms) {
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return this.get(current_ms, -1);
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},
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get_complex: function (current, delta) {
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this.date.setTime(current);
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switch(this.type) {
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case 'M':
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this.date.setUTCMonth(this.date.getUTCMonth() + delta);
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break;
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case 'y':
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this.date.setUTCFullYear(this.date.getUTCFullYear() + delta);
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break;
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}
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return this.date.getTime();
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},
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get_simple: function (current, delta) {
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return current + (delta * this.ms);
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}
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};
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return Interval;
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});
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@@ -0,0 +1,10 @@
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<div ng-controller='sparklines' ng-init="init()" style="min-height:{{panel.height || row.height}}">
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<center><img ng-show='panel.loading && _.isUndefined(data)' src="img/load_big.gif"></center>
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<div ng-repeat="series in data" style="margin-right:5px;text-align:center;display:inline-block">
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<small class="strong"><i class="icon-circle" ng-style="{color: series.info.color}"></i> {{series.info.alias}}</small><br>
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<div style="display:inline-block" sparklines-chart series="series" panel="panel"></div>
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</div>
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</div>
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@@ -0,0 +1,379 @@
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/*
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## Histogram
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### Parameters
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* auto_int :: Auto calculate data point interval?
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* resolution :: If auto_int is enables, shoot for this many data points, rounding to
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sane intervals
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* interval :: Datapoint interval in elasticsearch date math format (eg 1d, 1w, 1y, 5y)
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* fill :: Only applies to line charts. Level of area shading from 0-10
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* linewidth :: Only applies to line charts. How thick the line should be in pixels
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While the editor only exposes 0-10, this can be any numeric value.
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Set to 0 and you'll get something like a scatter plot
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* timezone :: This isn't totally functional yet. Currently only supports browser and utc.
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browser will adjust the x-axis labels to match the timezone of the user's
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browser
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* spyable :: Dislay the 'eye' icon that show the last elasticsearch query
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* zoomlinks :: Show the zoom links?
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* bars :: Show bars in the chart
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* stack :: Stack multiple queries. This generally a crappy way to represent things.
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You probably should just use a line chart without stacking
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* points :: Should circles at the data points on the chart
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* lines :: Line chart? Sweet.
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* legend :: Show the legend?
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* x-axis :: Show x-axis labels and grid lines
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* y-axis :: Show y-axis labels and grid lines
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* interactive :: Allow drag to select time range
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*/
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define([
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'angular',
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'app',
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'jquery',
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'underscore',
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'kbn',
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'moment',
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'./timeSeries',
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'jquery.flot',
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'jquery.flot.time'
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],
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function (angular, app, $, _, kbn, moment, timeSeries) {
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'use strict';
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var module = angular.module('kibana.panels.sparklines', []);
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app.useModule(module);
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module.controller('sparklines', function($scope, querySrv, dashboard, filterSrv) {
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$scope.panelMeta = {
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modals : [
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{
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description: "Inspect",
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icon: "icon-info-sign",
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partial: "app/partials/inspector.html",
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show: $scope.panel.spyable
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}
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],
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editorTabs : [
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{
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title:'Queries',
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src:'app/partials/querySelect.html'
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}
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],
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status : "Experimental",
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description : "Sparklines are tiny, simple, time series charts, shown seperately. Because "+
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"sparklines are unclutted by grids, axis markers and colors, they are perfect for spotting"+
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" change in a series"
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};
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// Set and populate defaults
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var _d = {
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mode : 'count',
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time_field : '@timestamp',
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queries : {
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mode : 'all',
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ids : []
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},
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value_field : null,
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interval : '5m',
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spyable : true
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};
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_.defaults($scope.panel,_d);
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$scope.init = function() {
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$scope.$on('refresh',function(){
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$scope.get_data();
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});
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$scope.get_data();
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};
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$scope.interval_label = function(interval) {
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return $scope.panel.auto_int && interval === $scope.panel.interval ? interval+" (auto)" : interval;
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};
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/**
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* The time range effecting the panel
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* @return {[type]} [description]
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*/
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$scope.get_time_range = function () {
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var range = $scope.range = filterSrv.timeRange('last');
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return range;
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};
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$scope.get_interval = function () {
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var interval = $scope.panel.interval,
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range;
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range = $scope.get_time_range();
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if (range) {
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interval = kbn.secondsToHms(
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kbn.calculate_interval(range.from, range.to, 10, 0) / 1000
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);
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}
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$scope.panel.interval = interval || '10m';
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return $scope.panel.interval;
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};
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/**
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* Fetch the data for a chunk of a queries results. Multiple segments occur when several indicies
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* need to be consulted (like timestamped logstash indicies)
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*
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* The results of this function are stored on the scope's data property. This property will be an
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* array of objects with the properties info, time_series, and hits. These objects are used in the
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* render_panel function to create the historgram.
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*
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* @param {number} segment The segment count, (0 based)
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* @param {number} query_id The id of the query, generated on the first run and passed back when
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* this call is made recursively for more segments
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*/
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$scope.get_data = function(segment, query_id) {
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var
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_range,
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_interval,
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request,
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queries,
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results;
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if (_.isUndefined(segment)) {
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segment = 0;
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}
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delete $scope.panel.error;
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// Make sure we have everything for the request to complete
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if(dashboard.indices.length === 0) {
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return;
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}
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_range = $scope.get_time_range();
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_interval = $scope.get_interval(_range);
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$scope.panelMeta.loading = true;
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request = $scope.ejs.Request().indices(dashboard.indices[segment]);
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$scope.panel.queries.ids = querySrv.idsByMode($scope.panel.queries);
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queries = querySrv.getQueryObjs($scope.panel.queries.ids);
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// Build the query
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_.each(queries, function(q) {
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var query = $scope.ejs.FilteredQuery(
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querySrv.toEjsObj(q),
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filterSrv.getBoolFilter(filterSrv.ids)
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);
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var facet = $scope.ejs.DateHistogramFacet(q.id);
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if($scope.panel.mode === 'count') {
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facet = facet.field($scope.panel.time_field).global(true);
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} else {
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if(_.isNull($scope.panel.value_field)) {
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$scope.panel.error = "In " + $scope.panel.mode + " mode a field must be specified";
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return;
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}
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facet = facet.keyField($scope.panel.time_field).valueField($scope.panel.value_field);
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}
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facet = facet.interval(_interval).facetFilter($scope.ejs.QueryFilter(query));
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request = request.facet(facet)
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.size(0);
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});
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// Populate the inspector panel
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$scope.populate_modal(request);
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// Then run it
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results = request.doSearch();
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// Populate scope when we have results
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results.then(function(results) {
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$scope.panelMeta.loading = false;
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if(segment === 0) {
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$scope.hits = 0;
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$scope.data = [];
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query_id = $scope.query_id = new Date().getTime();
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}
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// Check for error and abort if found
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if(!(_.isUndefined(results.error))) {
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$scope.panel.error = $scope.parse_error(results.error);
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return;
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}
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// Make sure we're still on the same query/queries
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if($scope.query_id === query_id) {
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var i = 0,
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time_series,
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hits;
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_.each(queries, function(q) {
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var query_results = results.facets[q.id];
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// we need to initialize the data variable on the first run,
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// and when we are working on the first segment of the data.
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if(_.isUndefined($scope.data[i]) || segment === 0) {
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var tsOpts = {
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interval: _interval,
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start_date: _range && _range.from,
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end_date: _range && _range.to,
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fill_style: 'minimal'
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};
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time_series = new timeSeries.ZeroFilled(tsOpts);
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hits = 0;
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} else {
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time_series = $scope.data[i].time_series;
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hits = $scope.data[i].hits;
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}
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// push each entry into the time series, while incrementing counters
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_.each(query_results.entries, function(entry) {
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time_series.addValue(entry.time, entry[$scope.panel.mode]);
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hits += entry.count; // The series level hits counter
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$scope.hits += entry.count; // Entire dataset level hits counter
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});
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$scope.data[i] = {
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info: q,
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range: $scope.range,
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time_series: time_series,
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hits: hits
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};
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i++;
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});
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// If we still have segments left, get them
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if(segment < dashboard.indices.length-1) {
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$scope.get_data(segment+1,query_id);
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}
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}
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});
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};
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// I really don't like this function, too much dom manip. Break out into directive?
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$scope.populate_modal = function(request) {
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$scope.inspector = angular.toJson(JSON.parse(request.toString()),true);
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};
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$scope.set_refresh = function (state) {
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$scope.refresh = state;
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};
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$scope.close_edit = function() {
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if($scope.refresh) {
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$scope.get_data();
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}
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$scope.refresh = false;
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};
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});
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module.directive('sparklinesChart', function() {
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return {
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restrict: 'A',
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scope: {
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series: '=',
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panel: '='
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},
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template: '<div></div>',
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link: function(scope, elem) {
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// Receive render events
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scope.$watch('series',function(){
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render_panel();
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});
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// Re-render if the window is resized
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angular.element(window).bind('resize', function(){
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render_panel();
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});
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var derivative = function(series) {
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return _.map(series, function(p,i) {
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var _v;
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if(i === 0 || p[1] === null) {
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_v = [p[0],null];
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} else {
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_v = series[i-1][1] === null ? [p[0],null] : [p[0],p[1]-(series[i-1][1])];
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}
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return _v;
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});
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};
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// Function for rendering panel
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function render_panel() {
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// IE doesn't work without this
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elem.css({height:"30px",width:"100px"});
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// Populate element
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//try {
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var options = {
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legend: { show: false },
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series: {
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lines: {
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show: true,
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// Silly, but fixes bug in stacked percentages
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fill: 0,
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lineWidth: 2,
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steps: false
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},
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points: { radius:2 },
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shadowSize: 1
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},
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yaxis: {
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show: false
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},
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xaxis: {
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show: false,
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mode: "time",
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min: _.isUndefined(scope.series.range.from) ? null : scope.series.range.from.getTime(),
|
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max: _.isUndefined(scope.series.range.to) ? null : scope.series.range.to.getTime()
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},
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grid: {
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hoverable: true,
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show: false
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||||
}
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||||
};
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// when rendering stacked bars, we need to ensure each point that has data is zero-filled
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// so that the stacking happens in the proper order
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var required_times = [];
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required_times = scope.series.time_series.getOrderedTimes();
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required_times = _.uniq(required_times.sort(function (a, b) {
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// decending numeric sort
|
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return a-b;
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}), true);
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var _d = {
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data : scope.panel.derivative ?
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derivative(scope.series.time_series.getFlotPairs(required_times)) :
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scope.series.time_series.getFlotPairs(required_times),
|
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label : scope.series.info.alias,
|
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color : elem.css('color'),
|
||||
};
|
||||
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$.plot(elem, [_d], options);
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||||
|
||||
//} catch(e) {
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// console.log(e);
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//}
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||||
}
|
||||
|
||||
var $tooltip = $('<div>');
|
||||
elem.bind("plothover", function (event, pos, item) {
|
||||
if (item) {
|
||||
$tooltip
|
||||
.html(
|
||||
item.datapoint[1] + " @ " + moment(item.datapoint[0]).format('YYYY-MM-DD HH:mm:ss')
|
||||
)
|
||||
.place_tt(pos.pageX, pos.pageY);
|
||||
} else {
|
||||
$tooltip.detach();
|
||||
}
|
||||
});
|
||||
}
|
||||
};
|
||||
});
|
||||
|
||||
});
|
||||
@@ -0,0 +1,216 @@
|
||||
define([
|
||||
'underscore',
|
||||
'./interval'
|
||||
],
|
||||
function (_, Interval) {
|
||||
'use strict';
|
||||
|
||||
var ts = {};
|
||||
|
||||
// map compatable parseInt
|
||||
function base10Int(val) {
|
||||
return parseInt(val, 10);
|
||||
}
|
||||
|
||||
// trim the ms off of a time, but return it with empty ms.
|
||||
function getDatesTime(date) {
|
||||
return Math.floor(date.getTime() / 1000)*1000;
|
||||
}
|
||||
|
||||
/**
|
||||
* Certain graphs require 0 entries to be specified for them to render
|
||||
* properly (like the line graph). So with this we will caluclate all of
|
||||
* the expected time measurements, and fill the missing ones in with 0
|
||||
* @param {object} opts An object specifying some/all of the options
|
||||
*
|
||||
* OPTIONS:
|
||||
* @opt {string} interval The interval notion describing the expected spacing between
|
||||
* each data point.
|
||||
* @opt {date} start_date (optional) The start point for the time series, setting this and the
|
||||
* end_date will ensure that the series streches to resemble the entire
|
||||
* expected result
|
||||
* @opt {date} end_date (optional) The end point for the time series, see start_date
|
||||
* @opt {string} fill_style Either "minimal", or "all" describing the strategy used to zero-fill
|
||||
* the series.
|
||||
*/
|
||||
ts.ZeroFilled = function (opts) {
|
||||
opts = _.defaults(opts, {
|
||||
interval: '10m',
|
||||
start_date: null,
|
||||
end_date: null,
|
||||
fill_style: 'minimal'
|
||||
});
|
||||
|
||||
// the expected differenece between readings.
|
||||
this.interval = new Interval(opts.interval);
|
||||
|
||||
// will keep all values here, keyed by their time
|
||||
this._data = {};
|
||||
this.start_time = opts.start_date && getDatesTime(opts.start_date);
|
||||
this.end_time = opts.end_date && getDatesTime(opts.end_date);
|
||||
this.opts = opts;
|
||||
};
|
||||
|
||||
/**
|
||||
* Add a row
|
||||
* @param {int} time The time for the value, in
|
||||
* @param {any} value The value at this time
|
||||
*/
|
||||
ts.ZeroFilled.prototype.addValue = function (time, value) {
|
||||
if (time instanceof Date) {
|
||||
time = getDatesTime(time);
|
||||
} else {
|
||||
time = base10Int(time);
|
||||
}
|
||||
if (!isNaN(time)) {
|
||||
this._data[time] = (_.isUndefined(value) ? 0 : value);
|
||||
}
|
||||
this._cached_times = null;
|
||||
};
|
||||
|
||||
/**
|
||||
* Get an array of the times that have been explicitly set in the series
|
||||
* @param {array} include (optional) list of timestamps to include in the response
|
||||
* @return {array} An array of integer times.
|
||||
*/
|
||||
ts.ZeroFilled.prototype.getOrderedTimes = function (include) {
|
||||
var times = _.map(_.keys(this._data), base10Int);
|
||||
if (_.isArray(include)) {
|
||||
times = times.concat(include);
|
||||
}
|
||||
return _.uniq(times.sort(function (a, b) {
|
||||
// decending numeric sort
|
||||
return a - b;
|
||||
}), true);
|
||||
};
|
||||
|
||||
/**
|
||||
* return the rows in the format:
|
||||
* [ [time, value], [time, value], ... ]
|
||||
*
|
||||
* Heavy lifting is done by _get(Min|Default|All)FlotPairs()
|
||||
* @param {array} required_times An array of timestamps that must be in the resulting pairs
|
||||
* @return {array}
|
||||
*/
|
||||
ts.ZeroFilled.prototype.getFlotPairs = function (required_times) {
|
||||
var times = this.getOrderedTimes(required_times),
|
||||
strategy,
|
||||
pairs;
|
||||
|
||||
if(this.opts.fill_style === 'all') {
|
||||
strategy = this._getAllFlotPairs;
|
||||
} else if(this.opts.fill_style === 'null') {
|
||||
strategy = this._getNullFlotPairs;
|
||||
} else {
|
||||
strategy = this._getMinFlotPairs;
|
||||
}
|
||||
|
||||
pairs = _.reduce(
|
||||
times, // what
|
||||
strategy, // how
|
||||
[], // where
|
||||
this // context
|
||||
);
|
||||
|
||||
// if the first or last pair is inside either the start or end time,
|
||||
// add those times to the series with null values so the graph will stretch to contain them.
|
||||
// Removing, flot 0.8.1's max/min params satisfy this
|
||||
/*
|
||||
if (this.start_time && (pairs.length === 0 || pairs[0][0] > this.start_time)) {
|
||||
pairs.unshift([this.start_time, null]);
|
||||
}
|
||||
if (this.end_time && (pairs.length === 0 || pairs[pairs.length - 1][0] < this.end_time)) {
|
||||
pairs.push([this.end_time, null]);
|
||||
}
|
||||
*/
|
||||
|
||||
return pairs;
|
||||
};
|
||||
|
||||
/**
|
||||
* ** called as a reduce stragegy in getFlotPairs() **
|
||||
* Fill zero's on either side of the current time, unless there is already a measurement there or
|
||||
* we are looking at an edge.
|
||||
* @return {array} An array of points to plot with flot
|
||||
*/
|
||||
ts.ZeroFilled.prototype._getMinFlotPairs = function (result, time, i, times) {
|
||||
var next, expected_next, prev, expected_prev;
|
||||
|
||||
// check for previous measurement
|
||||
if (i > 0) {
|
||||
prev = times[i - 1];
|
||||
expected_prev = this.interval.before(time);
|
||||
if (prev < expected_prev) {
|
||||
result.push([expected_prev, 0]);
|
||||
}
|
||||
}
|
||||
|
||||
// add the current time
|
||||
result.push([ time, this._data[time] || 0]);
|
||||
|
||||
// check for next measurement
|
||||
if (times.length > i) {
|
||||
next = times[i + 1];
|
||||
expected_next = this.interval.after(time);
|
||||
if (next > expected_next) {
|
||||
result.push([expected_next, 0]);
|
||||
}
|
||||
}
|
||||
|
||||
return result;
|
||||
};
|
||||
|
||||
/**
|
||||
* ** called as a reduce stragegy in getFlotPairs() **
|
||||
* Fill zero's to the right of each time, until the next measurement is reached or we are at the
|
||||
* last measurement
|
||||
* @return {array} An array of points to plot with flot
|
||||
*/
|
||||
ts.ZeroFilled.prototype._getAllFlotPairs = function (result, time, i, times) {
|
||||
var next, expected_next;
|
||||
|
||||
result.push([ times[i], this._data[times[i]] || 0 ]);
|
||||
next = times[i + 1];
|
||||
expected_next = this.interval.after(time);
|
||||
for(; times.length > i && next > expected_next; expected_next = this.interval.after(expected_next)) {
|
||||
result.push([expected_next, 0]);
|
||||
}
|
||||
|
||||
return result;
|
||||
};
|
||||
|
||||
/**
|
||||
* ** called as a reduce stragegy in getFlotPairs() **
|
||||
* Same as min, but fills with nulls
|
||||
* @return {array} An array of points to plot with flot
|
||||
*/
|
||||
ts.ZeroFilled.prototype._getNullFlotPairs = function (result, time, i, times) {
|
||||
var next, expected_next, prev, expected_prev;
|
||||
|
||||
// check for previous measurement
|
||||
if (i > 0) {
|
||||
prev = times[i - 1];
|
||||
expected_prev = this.interval.before(time);
|
||||
if (prev < expected_prev) {
|
||||
result.push([expected_prev, null]);
|
||||
}
|
||||
}
|
||||
|
||||
// add the current time
|
||||
result.push([ time, this._data[time] || null]);
|
||||
|
||||
// check for next measurement
|
||||
if (times.length > i) {
|
||||
next = times[i + 1];
|
||||
expected_next = this.interval.after(time);
|
||||
if (next > expected_next) {
|
||||
result.push([expected_next, null]);
|
||||
}
|
||||
}
|
||||
|
||||
return result;
|
||||
};
|
||||
|
||||
|
||||
return ts;
|
||||
});
|
||||
+2
-1
@@ -48,7 +48,8 @@ function (Settings) {
|
||||
'trends',
|
||||
'bettermap',
|
||||
'query',
|
||||
'terms'
|
||||
'terms',
|
||||
'sparklines'
|
||||
]
|
||||
});
|
||||
});
|
||||
|
||||
Reference in New Issue
Block a user