978 lines
28 KiB
JavaScript
978 lines
28 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,
|
|
timeZone: 'UTC',
|
|
});
|
|
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 = parseInt(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.params = params;
|
|
|
|
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 = 0;
|
|
if (xhr.responseJSON.data !== undefined) {
|
|
if (xhr.responseJSON.data.resultType === "scalar") {
|
|
totalTimeSeries = 1;
|
|
} else {
|
|
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()
|
|
};
|
|
});
|
|
data.forEach(function(s) {
|
|
// Insert nulls for all missing steps.
|
|
var newSeries = [];
|
|
var pos = 0;
|
|
for (var t = self.params.start; t <= self.params.end; t += self.params.step) {
|
|
// Allow for floating point inaccuracy.
|
|
if (s.data.length > pos && s.data[pos].x < t + self.params.step / 100) {
|
|
newSeries.push(s.data[pos]);
|
|
pos++;
|
|
} else {
|
|
newSeries.push({x: t, y: null});
|
|
}
|
|
}
|
|
s.data = newSeries;
|
|
});
|
|
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",
|
|
});
|
|
|
|
// Find and set graph's max/min
|
|
if (self.isStacked() === true) {
|
|
// When stacked is toggled
|
|
var max = 0;
|
|
self.data.forEach(function(timeSeries) {
|
|
var currSeriesMax = 0;
|
|
timeSeries.data.forEach(function(dataPoint) {
|
|
if (dataPoint.y > currSeriesMax && dataPoint.y != null) {
|
|
currSeriesMax = dataPoint.y;
|
|
}
|
|
});
|
|
max += currSeriesMax;
|
|
});
|
|
self.rickshawGraph.max = max*1.05;
|
|
self.rickshawGraph.min = 0;
|
|
} else {
|
|
var min = Infinity;
|
|
var max = -Infinity;
|
|
self.data.forEach(function(timeSeries) {
|
|
timeSeries.data.forEach(function(dataPoint) {
|
|
if (dataPoint.y < min && dataPoint.y != null) {
|
|
min = dataPoint.y;
|
|
}
|
|
if (dataPoint.y > max && dataPoint.y != null) {
|
|
max = dataPoint.y;
|
|
}
|
|
});
|
|
});
|
|
if (min === max) {
|
|
self.rickshawGraph.max = max + 1;
|
|
self.rickshawGraph.min = min - 1;
|
|
} else {
|
|
self.rickshawGraph.max = max + (0.1*(Math.abs(max - min)));
|
|
self.rickshawGraph.min = min - (0.1*(Math.abs(max - min)));
|
|
}
|
|
}
|
|
|
|
var xAxis = new Rickshaw.Graph.Axis.Time({ graph: self.rickshawGraph });
|
|
|
|
var yAxis = new Rickshaw.Graph.Axis.Y({
|
|
graph: self.rickshawGraph,
|
|
orientation: "left",
|
|
tickFormat: this.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();
|
|
};
|
|
|
|
Prometheus.Graph.prototype.formatKMBT = function(y) {
|
|
var abs_y = Math.abs(y);
|
|
if (abs_y >= 1e24) {
|
|
return (y / 1e24).toString() + "Y";
|
|
} else if (abs_y >= 1e21) {
|
|
return (y / 1e21).toString() + "Z";
|
|
} else if (abs_y >= 1e18) {
|
|
return (y / 1e18).toString() + "E";
|
|
} else if (abs_y >= 1e15) {
|
|
return (y / 1e15).toString() + "P";
|
|
} else if (abs_y >= 1e12) {
|
|
return (y / 1e12).toString() + "T";
|
|
} else if (abs_y >= 1e9) {
|
|
return (y / 1e9).toString() + "G";
|
|
} else if (abs_y >= 1e6) {
|
|
return (y / 1e6).toString() + "M";
|
|
} else if (abs_y >= 1e3) {
|
|
return (y / 1e3).toString() + "k";
|
|
} else if (abs_y >= 1) {
|
|
return y
|
|
} else if (abs_y === 0) {
|
|
return y
|
|
} else if (abs_y <= 1e-24) {
|
|
return (y / 1e-24).toString() + "y";
|
|
} else if (abs_y <= 1e-21) {
|
|
return (y / 1e-21).toString() + "z";
|
|
} else if (abs_y <= 1e-18) {
|
|
return (y / 1e-18).toString() + "a";
|
|
} else if (abs_y <= 1e-15) {
|
|
return (y / 1e-15).toString() + "f";
|
|
} else if (abs_y <= 1e-12) {
|
|
return (y / 1e-12).toString() + "p";
|
|
} else if (abs_y <= 1e-9) {
|
|
return (y / 1e-9).toString() + "n";
|
|
} else if (abs_y <= 1e-6) {
|
|
return (y / 1e-6).toString() + "µ";
|
|
} else if (abs_y <=1e-3) {
|
|
return (y / 1e-3).toString() + "m";
|
|
} else if (abs_y <= 1) {
|
|
return y
|
|
}
|
|
}
|
|
|
|
function escapeHTML(string) {
|
|
var entityMap = {
|
|
"&": "&",
|
|
"<": "<",
|
|
">": ">",
|
|
'"': '"',
|
|
"'": ''',
|
|
"/": '/'
|
|
};
|
|
|
|
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 = PATH_PREFIX + "/graph?" + query;
|
|
}
|
|
|
|
$(init);
|