prometheus/web/ui/static/js/graph.js
Conor Broderick dafae52efa Display total number of returned elements on console (#2532)
Display total number of returned elements on console
2017-04-03 11:52:25 +01:00

875 lines
25 KiB
JavaScript

var Prometheus = Prometheus || {};
var graphTemplate;
var SECOND = 1000;
Prometheus.Graph = function(element, options, handleChange, handleRemove) {
this.el = element;
this.graphHTML = null;
this.options = options;
this.handleChange = handleChange;
this.handleRemove = function() {
handleRemove(this);
};
this.rickshawGraph = null;
this.data = [];
this.initialize();
};
Prometheus.Graph.timeFactors = {
"y": 60 * 60 * 24 * 365,
"w": 60 * 60 * 24 * 7,
"d": 60 * 60 * 24,
"h": 60 * 60,
"m": 60,
"s": 1
};
Prometheus.Graph.stepValues = [
"1s", "10s", "1m", "5m", "15m", "30m", "1h", "2h", "6h", "12h", "1d", "2d",
"1w", "2w", "4w", "8w", "1y", "2y"
];
Prometheus.Graph.numGraphs = 0;
Prometheus.Graph.prototype.initialize = function() {
var self = this;
self.id = Prometheus.Graph.numGraphs++;
// Set default options.
self.options.id = self.id;
self.options.range_input = self.options.range_input || "1h";
if (self.options.tab === undefined) {
self.options.tab = 1;
}
// Draw graph controls and container from Handlebars template.
var options = {
'pathPrefix': PATH_PREFIX,
'buildVersion': BUILD_VERSION
};
jQuery.extend(options, self.options);
self.graphHTML = $(Mustache.render(graphTemplate, options));
self.el.append(self.graphHTML);
// Get references to all the interesting elements in the graph container and
// bind event handlers.
var graphWrapper = self.el.find("#graph_wrapper" + self.id);
self.queryForm = graphWrapper.find(".query_form");
self.expr = graphWrapper.find("textarea[name=expr]");
self.expr.keypress(function(e) {
// Enter was pressed without the shift key.
if (e.which == 13 && !e.shiftKey) {
self.queryForm.submit();
e.preventDefault();
}
// Auto-resize the text area on input.
var offset = this.offsetHeight - this.clientHeight;
var resizeTextarea = function(el) {
$(el).css('height', 'auto').css('height', el.scrollHeight + offset);
};
$(this).on('keyup input', function() { resizeTextarea(this); });
});
self.expr.change(self.handleChange);
self.rangeInput = self.queryForm.find("input[name=range_input]");
self.stackedBtn = self.queryForm.find(".stacked_btn");
self.stacked = self.queryForm.find("input[name=stacked]");
self.insertMetric = self.queryForm.find("select[name=insert_metric]");
self.refreshInterval = self.queryForm.find("select[name=refresh]");
self.consoleTab = graphWrapper.find(".console");
self.graphTab = graphWrapper.find(".graph_container");
self.tabs = graphWrapper.find("a[data-toggle='tab']");
self.tabs.eq(self.options.tab).tab("show");
self.tabs.on("shown.bs.tab", function(e) {
var target = $(e.target);
self.options.tab = target.parent().index();
self.handleChange();
if ($("#" + target.attr("aria-controls")).hasClass("reload")) {
self.submitQuery();
}
});
// Return moves focus back to expr instead of submitting.
self.insertMetric.bind("keydown", "return", function(e) {
self.expr.focus();
self.expr.val(self.expr.val());
return e.preventDefault();
})
self.error = graphWrapper.find(".error").hide();
self.graphArea = graphWrapper.find(".graph_area");
self.graph = self.graphArea.find(".graph");
self.yAxis = self.graphArea.find(".y_axis");
self.legend = graphWrapper.find(".legend");
self.spinner = graphWrapper.find(".spinner");
self.evalStats = graphWrapper.find(".eval_stats");
self.endDate = graphWrapper.find("input[name=end_input]");
self.endDate.datetimepicker({
locale: 'en',
format: 'YYYY-MM-DD HH:mm',
toolbarPlacement: 'bottom',
sideBySide: true,
showTodayButton: true,
showClear: true,
showClose: true,
});
if (self.options.end_input) {
self.endDate.data('DateTimePicker').date(self.options.end_input);
}
self.endDate.on("dp.change", function() { self.submitQuery(); });
self.refreshInterval.change(function() { self.updateRefresh(); });
self.isStacked = function() {
return self.stacked.val() === '1';
};
var styleStackBtn = function() {
var icon = self.stackedBtn.find('.glyphicon');
if (self.isStacked()) {
self.stackedBtn.addClass("btn-primary");
icon.addClass("glyphicon-check");
icon.removeClass("glyphicon-unchecked");
} else {
self.stackedBtn.removeClass("btn-primary");
icon.addClass("glyphicon-unchecked");
icon.removeClass("glyphicon-check");
}
};
styleStackBtn();
self.stackedBtn.click(function() {
if (self.isStacked() && self.graphJSON) {
// If the graph was stacked, the original series data got mutated
// (scaled) and we need to reconstruct it from the original JSON data.
self.data = self.transformData(self.graphJSON);
}
self.stacked.val(self.isStacked() ? '0' : '1');
styleStackBtn();
self.updateGraph();
});
self.queryForm.submit(function() {
self.consoleTab.addClass("reload");
self.graphTab.addClass("reload");
self.submitQuery();
return false;
});
self.spinner.hide();
self.queryForm.find("button[name=inc_range]").click(function() { self.increaseRange(); });
self.queryForm.find("button[name=dec_range]").click(function() { self.decreaseRange(); });
self.queryForm.find("button[name=inc_end]").click(function() { self.increaseEnd(); });
self.queryForm.find("button[name=dec_end]").click(function() { self.decreaseEnd(); });
self.insertMetric.change(function() {
self.expr.selection("replace", {text: self.insertMetric.val(), mode: "before"});
self.expr.focus(); // refocusing
});
var removeBtn = graphWrapper.find("[name=remove]");
removeBtn.click(function() {
self.remove();
return false;
});
self.populateInsertableMetrics();
if (self.expr.val()) {
self.submitQuery();
}
};
Prometheus.Graph.prototype.populateInsertableMetrics = function() {
var self = this;
$.ajax({
method: "GET",
url: PATH_PREFIX + "/api/v1/label/__name__/values",
dataType: "json",
success: function(json, textStatus) {
if (json.status !== "success") {
self.showError("Error loading available metrics!");
return;
}
var metrics = json.data;
for (var i = 0; i < metrics.length; i++) {
self.insertMetric[0].options.add(new Option(metrics[i], metrics[i]));
}
self.fuzzyResult = {
query: null,
result: null,
map: {}
}
self.expr.typeahead({
source: metrics,
items: "all",
matcher: function(item) {
// If we have result for current query, skip
if (self.fuzzyResult.query !== this.query) {
self.fuzzyResult.query = this.query;
self.fuzzyResult.map = {};
self.fuzzyResult.result = fuzzy.filter(this.query.replace(/ /g, ''), metrics, {
pre: '<strong>',
post: '</strong>'
});
self.fuzzyResult.result.forEach(function(r) {
self.fuzzyResult.map[r.original] = r;
});
}
return item in self.fuzzyResult.map;
},
sorter: function(items) {
items.sort(function(a,b) {
var i = self.fuzzyResult.map[b].score - self.fuzzyResult.map[a].score;
return i === 0 ? a.localeCompare(b) : i;
});
return items;
},
highlighter: function (item) {
return $('<div>' + self.fuzzyResult.map[item].string + '</div>')
},
});
// This needs to happen after attaching the typeahead plugin, as it
// otherwise breaks the typeahead functionality.
self.expr.focus();
},
error: function() {
self.showError("Error loading available metrics!");
},
});
};
Prometheus.Graph.prototype.getOptions = function() {
var self = this;
var options = {};
var optionInputs = [
"range_input",
"end_input",
"step_input",
"stacked"
];
self.queryForm.find("input").each(function(index, element) {
var name = element.name;
if ($.inArray(name, optionInputs) >= 0) {
if (element.value.length > 0) {
options[name] = element.value;
}
}
});
options.expr = self.expr.val();
options.tab = self.options.tab;
return options;
};
Prometheus.Graph.prototype.parseDuration = function(rangeText) {
var rangeRE = new RegExp("^([0-9]+)([ywdhms]+)$");
var matches = rangeText.match(rangeRE);
if (!matches) { return; }
if (matches.length != 3) {
return 60;
}
var value = parseInt(matches[1]);
var unit = matches[2];
return value * Prometheus.Graph.timeFactors[unit];
};
Prometheus.Graph.prototype.increaseRange = function() {
var self = this;
var rangeSeconds = self.parseDuration(self.rangeInput.val());
for (var i = 0; i < Prometheus.Graph.stepValues.length; i++) {
if (rangeSeconds < self.parseDuration(Prometheus.Graph.stepValues[i])) {
self.rangeInput.val(Prometheus.Graph.stepValues[i]);
if (self.expr.val()) {
self.submitQuery();
}
return;
}
}
};
Prometheus.Graph.prototype.decreaseRange = function() {
var self = this;
var rangeSeconds = self.parseDuration(self.rangeInput.val());
for (var i = Prometheus.Graph.stepValues.length - 1; i >= 0; i--) {
if (rangeSeconds > self.parseDuration(Prometheus.Graph.stepValues[i])) {
self.rangeInput.val(Prometheus.Graph.stepValues[i]);
if (self.expr.val()) {
self.submitQuery();
}
return;
}
}
};
Prometheus.Graph.prototype.getEndDate = function() {
var self = this;
if (!self.endDate || !self.endDate.val()) {
return moment();
}
return self.endDate.data('DateTimePicker').date();
};
Prometheus.Graph.prototype.getOrSetEndDate = function() {
var self = this;
var date = self.getEndDate();
self.setEndDate(date);
return date;
};
Prometheus.Graph.prototype.setEndDate = function(date) {
var self = this;
self.endDate.data('DateTimePicker').date(date);
};
Prometheus.Graph.prototype.increaseEnd = function() {
var self = this;
var newDate = moment(self.getOrSetEndDate());
newDate.add(self.parseDuration(self.rangeInput.val()) / 2, 'seconds');
self.setEndDate(newDate);
self.submitQuery();
};
Prometheus.Graph.prototype.decreaseEnd = function() {
var self = this;
var newDate = moment(self.getOrSetEndDate());
newDate.subtract(self.parseDuration(self.rangeInput.val()) / 2, 'seconds');
self.setEndDate(newDate);
self.submitQuery();
};
Prometheus.Graph.prototype.submitQuery = function() {
var self = this;
self.clearError();
if (!self.expr.val()) {
return;
}
self.spinner.show();
self.evalStats.empty();
var startTime = new Date().getTime();
var rangeSeconds = self.parseDuration(self.rangeInput.val());
var resolution = self.queryForm.find("input[name=step_input]").val() || Math.max(Math.floor(rangeSeconds / 250), 1);
var endDate = self.getEndDate() / 1000;
if (self.queryXhr) {
self.queryXhr.abort();
}
var url;
var success;
var params = {
"query": self.expr.val()
};
if (self.options.tab === 0) {
params.start = endDate - rangeSeconds;
params.end = endDate;
params.step = resolution;
url = PATH_PREFIX + "/api/v1/query_range";
success = function(json, textStatus) { self.handleGraphResponse(json, textStatus); };
} else {
params.time = startTime / 1000;
url = PATH_PREFIX + "/api/v1/query";
success = function(json, textStatus) { self.handleConsoleResponse(json, textStatus); };
}
self.queryXhr = $.ajax({
method: self.queryForm.attr("method"),
url: url,
dataType: "json",
data: params,
success: function(json, textStatus) {
if (json.status !== "success") {
self.showError(json.error);
return;
}
success(json.data, textStatus);
},
error: function(xhr, resp) {
if (resp != "abort") {
var err;
if (xhr.responseJSON !== undefined) {
err = xhr.responseJSON.error;
} else {
err = xhr.statusText;
}
self.showError("Error executing query: " + err);
}
},
complete: function(xhr, resp) {
if (resp == "abort") {
return;
}
var duration = new Date().getTime() - startTime;
var totalTimeSeries = xhr.responseJSON.data.result.length;
self.evalStats.html("Load time: " + duration + "ms <br /> Resolution: " + resolution + "s <br />" + "Total time series: " + totalTimeSeries);
self.spinner.hide();
}
});
};
Prometheus.Graph.prototype.showError = function(msg) {
var self = this;
self.error.text(msg);
self.error.show();
};
Prometheus.Graph.prototype.clearError = function(msg) {
var self = this;
self.error.text('');
self.error.hide();
};
Prometheus.Graph.prototype.updateRefresh = function() {
var self = this;
if (self.timeoutID) {
window.clearTimeout(self.timeoutID);
}
interval = self.parseDuration(self.refreshInterval.val());
if (!interval) { return; }
self.timeoutID = window.setTimeout(function() {
self.submitQuery();
self.updateRefresh();
}, interval * SECOND);
};
Prometheus.Graph.prototype.renderLabels = function(labels) {
var labelStrings = [];
for (var label in labels) {
if (label != "__name__") {
labelStrings.push("<strong>" + label + "</strong>: " + escapeHTML(labels[label]));
}
}
return labels = "<div class=\"labels\">" + labelStrings.join("<br>") + "</div>";
};
Prometheus.Graph.prototype.metricToTsName = function(labels) {
var tsName = (labels.__name__ || '') + "{";
var labelStrings = [];
for (var label in labels) {
if (label != "__name__") {
labelStrings.push(label + "=\"" + labels[label] + "\"");
}
}
tsName += labelStrings.join(",") + "}";
return tsName;
};
Prometheus.Graph.prototype.parseValue = function(value) {
var val = parseFloat(value);
if (isNaN(val)) {
// "+Inf", "-Inf", "+Inf" will be parsed into NaN by parseFloat(). The
// can't be graphed, so show them as gaps (null).
return null;
}
return val;
};
Prometheus.Graph.prototype.transformData = function(json) {
var self = this;
var palette = new Rickshaw.Color.Palette();
if (json.resultType != "matrix") {
self.showError("Result is not of matrix type! Please enter a correct expression.");
return [];
}
var data = json.result.map(function(ts) {
var name;
var labels;
if (ts.metric === null) {
name = "scalar";
labels = {};
} else {
name = escapeHTML(self.metricToTsName(ts.metric));
labels = ts.metric;
}
return {
name: name,
labels: labels,
data: ts.values.map(function(value) {
return {
x: value[0],
y: self.parseValue(value[1])
};
}),
color: palette.color()
};
});
Rickshaw.Series.zeroFill(data);
return data;
};
Prometheus.Graph.prototype.updateGraph = function() {
var self = this;
if (self.data.length === 0) { return; }
// Remove any traces of an existing graph.
self.legend.empty();
if (self.graphArea.children().length > 0) {
self.graph.remove();
self.yAxis.remove();
}
self.graph = $('<div class="graph"></div>');
self.yAxis = $('<div class="y_axis"></div>');
self.graphArea.append(self.graph);
self.graphArea.append(self.yAxis);
var endTime = self.getEndDate() / 1000; // Convert to UNIX timestamp.
var duration = self.parseDuration(self.rangeInput.val()) || 3600; // 1h default.
var startTime = endTime - duration;
self.data.forEach(function(s) {
// Padding series with invisible "null" values at the configured x-axis boundaries ensures
// that graphs are displayed with a fixed x-axis range instead of snapping to the available
// time range in the data.
if (s.data[0].x > startTime) {
s.data.unshift({x: startTime, y: null});
}
if (s.data[s.data.length - 1].x < endTime) {
s.data.push({x: endTime, y: null});
}
});
// Now create the new graph.
self.rickshawGraph = new Rickshaw.Graph({
element: self.graph[0],
height: Math.max(self.graph.innerHeight(), 100),
width: Math.max(self.graph.innerWidth() - 80, 200),
renderer: (self.isStacked() ? "stack" : "line"),
interpolation: "linear",
series: self.data,
min: "auto",
});
var xAxis = new Rickshaw.Graph.Axis.Time({ graph: self.rickshawGraph });
var yAxis = new Rickshaw.Graph.Axis.Y({
graph: self.rickshawGraph,
orientation: "left",
tickFormat: Rickshaw.Fixtures.Number.formatKMBT,
element: self.yAxis[0],
});
self.rickshawGraph.render();
var hoverDetail = new Rickshaw.Graph.HoverDetail({
graph: self.rickshawGraph,
formatter: function(series, x, y) {
var date = '<span class="date">' + new Date(x * 1000).toUTCString() + '</span>';
var swatch = '<span class="detail_swatch" style="background-color: ' + series.color + '"></span>';
var content = swatch + (series.labels.__name__ || 'value') + ": <strong>" + y + '</strong>';
return date + '<br>' + content + '<br>' + self.renderLabels(series.labels);
}
});
var legend = new Rickshaw.Graph.Legend({
element: self.legend[0],
graph: self.rickshawGraph,
});
var highlighter = new Rickshaw.Graph.Behavior.Series.Highlight( {
graph: self.rickshawGraph,
legend: legend
});
var shelving = new Rickshaw.Graph.Behavior.Series.Toggle({
graph: self.rickshawGraph,
legend: legend
});
self.handleChange();
};
Prometheus.Graph.prototype.resizeGraph = function() {
var self = this;
if (self.rickshawGraph !== null) {
self.rickshawGraph.configure({
width: Math.max(self.graph.innerWidth() - 80, 200),
});
self.rickshawGraph.render();
}
};
Prometheus.Graph.prototype.handleGraphResponse = function(json, textStatus) {
var self = this;
// Rickshaw mutates passed series data for stacked graphs, so we need to save
// the original AJAX response in order to re-transform it into series data
// when the user disables the stacking.
self.graphJSON = json;
self.data = self.transformData(json);
if (self.data.length === 0) {
self.showError("No datapoints found.");
return;
}
self.graphTab.removeClass("reload");
self.updateGraph();
};
Prometheus.Graph.prototype.handleConsoleResponse = function(data, textStatus) {
var self = this;
self.consoleTab.removeClass("reload");
self.graphJSON = null;
var tBody = self.consoleTab.find(".console_table tbody");
tBody.empty();
switch(data.resultType) {
case "vector":
if (data.result.length === 0) {
tBody.append("<tr><td colspan='2'><i>no data</i></td></tr>");
return;
}
for (var i = 0; i < data.result.length; i++) {
var s = data.result[i];
var tsName = self.metricToTsName(s.metric);
tBody.append("<tr><td>" + escapeHTML(tsName) + "</td><td>" + s.value[1] + "</td></tr>");
}
break;
case "matrix":
if (data.result.length === 0) {
tBody.append("<tr><td colspan='2'><i>no data</i></td></tr>");
return;
}
for (var i = 0; i < data.result.length; i++) {
var v = data.result[i];
var tsName = self.metricToTsName(v.metric);
var valueText = "";
for (var j = 0; j < v.values.length; j++) {
valueText += v.values[j][1] + " @" + v.values[j][0] + "<br/>";
}
tBody.append("<tr><td>" + escapeHTML(tsName) + "</td><td>" + valueText + "</td></tr>");
}
break;
case "scalar":
tBody.append("<tr><td>scalar</td><td>" + data.result[1] + "</td></tr>");
break;
case "string":
tBody.append("<tr><td>string</td><td>" + escapeHTML(data.result[1]) + "</td></tr>");
break;
default:
self.showError("Unsupported value type!");
break;
}
};
Prometheus.Graph.prototype.remove = function() {
var self = this;
$(self.graphHTML).remove();
self.handleRemove();
self.handleChange();
};
function escapeHTML(string) {
var entityMap = {
"&": "&amp;",
"<": "&lt;",
">": "&gt;",
'"': '&quot;',
"'": '&#39;',
"/": '&#x2F;'
};
return String(string).replace(/[&<>"'\/]/g, function (s) {
return entityMap[s];
});
}
Prometheus.Page = function() {
this.graphs = [];
};
Prometheus.Page.prototype.init = function() {
var graphOptions = this.parseURL();
if (graphOptions.length === 0) {
graphOptions.push({});
}
graphOptions.forEach(this.addGraph, this);
$("#add_graph").click(this.addGraph.bind(this, {}));
};
Prometheus.Page.prototype.parseURL = function() {
if (window.location.search == "") {
return [];
}
var queryParams = window.location.search.substring(1).split('&');
var queryParamHelper = new Prometheus.Page.QueryParamHelper();
return queryParamHelper.parseQueryParams(queryParams);
};
Prometheus.Page.prototype.addGraph = function(options) {
var graph = new Prometheus.Graph(
$("#graph_container"),
options,
this.updateURL.bind(this),
this.removeGraph.bind(this)
);
this.graphs.push(graph);
$(window).resize(function() {
graph.resizeGraph();
});
};
// NOTE: This needs to be kept in sync with /util/strutil/strconv.go:GraphLinkForExpression
Prometheus.Page.prototype.updateURL = function() {
var queryString = this.graphs.map(function(graph, index) {
var graphOptions = graph.getOptions();
var queryParamHelper = new Prometheus.Page.QueryParamHelper();
var queryObject = queryParamHelper.generateQueryObject(graphOptions, index);
return $.param(queryObject);
}, this).join("&");
history.pushState({}, "", "graph?" + queryString);
};
Prometheus.Page.prototype.removeGraph = function(graph) {
this.graphs = this.graphs.filter(function(g) {return g !== graph});
};
Prometheus.Page.QueryParamHelper = function() {};
Prometheus.Page.QueryParamHelper.prototype.parseQueryParams = function(queryParams) {
var orderedQueryParams = this.filterInvalidParams(queryParams).sort();
return this.fetchOptionsFromOrderedParams(orderedQueryParams, 0);
};
Prometheus.Page.QueryParamHelper.queryParamFormat = /^g\d+\..+=.+$/;
Prometheus.Page.QueryParamHelper.prototype.filterInvalidParams = function(paramTuples) {
return paramTuples.filter(function(paramTuple) {
return Prometheus.Page.QueryParamHelper.queryParamFormat.test(paramTuple);
});
};
Prometheus.Page.QueryParamHelper.prototype.fetchOptionsFromOrderedParams = function(queryParams, graphIndex) {
if (queryParams.length == 0) {
return [];
}
var prefixOfThisIndex = this.queryParamPrefix(graphIndex);
var numberOfParamsForThisGraph = queryParams.filter(function(paramTuple) {
return paramTuple.startsWith(prefixOfThisIndex);
}).length;
if (numberOfParamsForThisGraph == 0) {
return [];
}
var paramsForThisGraph = queryParams.splice(0, numberOfParamsForThisGraph);
paramsForThisGraph = paramsForThisGraph.map(function(paramTuple) {
return paramTuple.substring(prefixOfThisIndex.length);
});
var options = this.parseQueryParamsOfOneGraph(paramsForThisGraph);
var optionAccumulator = this.fetchOptionsFromOrderedParams(queryParams, graphIndex + 1);
optionAccumulator.unshift(options);
return optionAccumulator;
};
Prometheus.Page.QueryParamHelper.prototype.parseQueryParamsOfOneGraph = function(queryParams) {
var options = {};
queryParams.forEach(function(tuple) {
var optionNameAndValue = tuple.split('=');
var optionName = optionNameAndValue[0];
var optionValue = decodeURIComponent(optionNameAndValue[1].replace(/\+/g, " "));
if (optionName == "tab") {
optionValue = parseInt(optionValue); // tab is integer
}
options[optionName] = optionValue;
});
return options;
};
Prometheus.Page.QueryParamHelper.prototype.queryParamPrefix = function(index) {
return "g" + index + ".";
};
Prometheus.Page.QueryParamHelper.prototype.generateQueryObject = function(graphOptions, index) {
var prefix = this.queryParamPrefix(index);
var queryObject = {};
Object.keys(graphOptions).forEach(function(key) {
queryObject[prefix + key] = graphOptions[key];
});
return queryObject;
};
function init() {
$.ajaxSetup({
cache: false
});
$.ajax({
url: PATH_PREFIX + "/static/js/graph_template.handlebar?v=" + BUILD_VERSION,
success: function(data) {
graphTemplate = data;
Mustache.parse(data);
if (isDeprecatedGraphURL()) {
redirectToMigratedURL();
} else {
var Page = new Prometheus.Page();
Page.init();
}
}
});
}
// These two methods (isDeprecatedGraphURL and redirectToMigratedURL)
// are added only for backward compatibility to old query format.
function isDeprecatedGraphURL() {
if (window.location.hash.length == 0) {
return false;
}
var decodedFragment = decodeURIComponent(window.location.hash);
try {
JSON.parse(decodedFragment.substr(1)); // drop the hash #
} catch (e) {
return false;
}
return true;
}
function redirectToMigratedURL() {
var decodedFragment = decodeURIComponent(window.location.hash);
var graphOptions = JSON.parse(decodedFragment.substr(1)); // drop the hash #
var queryObject = {};
graphOptions.map(function(options, index){
var prefix = "g" + index + ".";
Object.keys(options).forEach(function(key) {
queryObject[prefix + key] = options[key];
});
});
var query = $.param(queryObject);
window.location = "/graph?" + query;
}
$(init);