Make graphs linkable, object-oriented, and multiple per page.
This commit is contained in:
Julius Volz
parent
33b34d71a4
commit
040f9751f2
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@ -7,13 +7,12 @@ body {
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background-color: #eee;
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}
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#chart_container {
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.graph_container {
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font-family: Arial, Helvetica, sans-serif;
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}
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#chart {
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.graph {
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position: relative;
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width: 80%;
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}
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svg {
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@ -21,7 +20,7 @@ svg {
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margin-bottom: 5px;
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}
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#legend {
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.legend {
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display: inline-block;
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vertical-align: top;
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margin: 0 0 0 0px;
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@ -35,11 +34,7 @@ input:not([type=submit]):not([type=file]):not([type=button]) {
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border-radius: 3px;
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}
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input:focus {
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border:solid 2px #73A6FF;
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}
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.grouping-box {
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.grouping_box {
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position: relative;
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padding: 5px;
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margin: 2px;
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@ -11,43 +11,57 @@
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<script src="http://code.shutterstock.com/rickshaw/vendor/d3.min.js"></script>
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<script src="http://code.shutterstock.com/rickshaw/vendor/d3.layout.min.js"></script>
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<script src="http://code.shutterstock.com/rickshaw/rickshaw.min.js"></script>
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<script src="js/rickshaw.js"></script>
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<!-- copy all these JSen to our own location -->
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<script src="https://raw.github.com/wycats/handlebars.js/1.0.rc.2/dist/handlebars.js"></script>
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<script src="js/graph.js"></script>
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<script id="graph_template" type="text/x-handlebars-template">
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<div id="graph_wrapper{{id}}">
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<div class="grouping_box">
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<form action="/api/query_range" method="GET" class="query_form">
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<label for="expr{{id}}">Expression:</label>
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<input type="text" name="expr" id="expr{{id}}" size="80" value="{{expr}}"><br>
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<label for="range_input{{id}}">Range:</label>
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<input type="button" value="-" name="dec_range">
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<input type="text" name="range_input" id="range_input{{id}}" size="5" value="{{range_input}}">
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<input type="hidden" name="range">
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<input type="button" value="+" name="inc_range">
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<label for="end{{id}}">End:</label>
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<input type="button" value="<<" name="dec_end">
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<input type="text" name="end" id="end{{id}}" value="{{end}}">
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<input type="button" value=">>" name="inc_end">
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<label for="step_input{{id}}">Resolution (s):</label>
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<input type="text" name="step_input" id="step_input{{id}}" value="{{step_input}}" size="4">
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<input type="hidden" name="step">
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<input type="checkbox" name="stacked" id="stacked{{id}}" {{stacked_checked}}>
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<label for="stacked{{id}}">Stacked</label>
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<input type="submit" value="Graph" name="submit">
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<img src="img/ajax-loader.gif" class="spinner" alt="ajax_spinner">
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<div class="eval_stats"></div>
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</form>
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</div>
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<div class="grouping_box">
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<div class="graph_container">
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<div class="graph"></div>
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<div class="legend"></div>
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</div>
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</div>
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</div>
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</script>
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</head>
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<body>
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<div class="grouping-box">
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<form action="/api/query_range" method="GET" id="query_form">
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<label for="expr">Expression:</label>
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<input type="text" name="expr" id="expr" size="80"><br>
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<label for="range">Range:</label>
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<input type="button" value="-" id="dec_range">
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<input type="text" name="range_input" id="range_input" size="5" value="1h">
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<input type="hidden" name="range" id="range">
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<input type="button" value="+" id="inc_range">
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<label for="end">End:</label>
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<input type="text" name="end" id="end">
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<label for="step_input">Resolution (s):</label>
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<input type="text" name="step_input" id="step_input" value="" size="4">
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<input type="hidden" name="step" id="step">
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<input type="checkbox" name="stacked" id="stacked" value="1">
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<label for="stacked">Stacked</label>
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<input type="submit" value="Graph" id="graph_submit">
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<img src="img/ajax-loader.gif" id="spinner" alt="ajax-spinner">
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<div id="eval_stats"></div>
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</form>
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</div>
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<div class="grouping-box">
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<div id="chart_container">
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<div id="chart"></div>
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<div id="legend"></div>
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</div>
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<div id="graph_container">
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</div>
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<div><input type="button" value="Add Graph" id="add_graph"></div>
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</body>
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</html>
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@ -0,0 +1,337 @@
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// Graph options we might want:
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// Grid off/on
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// Stacked off/on
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// Area off/on
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// Legend position
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// Short link
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// Graph title
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// Palette
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// Background
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// Enable tooltips
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// width/height
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// Axis options
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// Y-Range min/max
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// (X-Range min/max)
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// X-Axis format
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// Y-Axis format
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// Y-Axis title
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// X-Axis title
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// Log scale
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var Prometheus = Prometheus || {};
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var graphs = [];
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Prometheus.Graph = function(element, options) {
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this.el = element;
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this.options = options;
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this.changeHandler = null;
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this.rickshawGraph = null;
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this.data = [];
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this.initialize();
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};
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Prometheus.Graph.timeFactors = {
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"y": 60 * 60 * 24 * 365,
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"w": 60 * 60 * 24 * 7,
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"d": 60 * 60 * 24,
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"h": 60 * 60,
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"m": 60,
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"s": 1
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};
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Prometheus.Graph.stepValues = [
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"1s", "10s", "1m", "5m", "15m", "30m", "1h", "2h", "6h", "12h", "1d", "2d",
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"1w", "2w", "4w", "8w", "1y", "2y"
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];
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Prometheus.Graph.numGraphs = 0;
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Prometheus.Graph.prototype.initialize = function() {
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var self = this;
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self.id = Prometheus.Graph.numGraphs++;
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// Set default options.
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self.options['id'] = self.id;
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self.options['range_input'] = self.options['range_input'] || "1h";
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self.options['stacked_checked'] = self.options['stacked'] ? "checked" : "";
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// Draw graph controls and container from Handlebars template.
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var source = $("#graph_template").html();
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var template = Handlebars.compile(source);
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var graphHtml = template(self.options);
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self.el.append(graphHtml);
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// Get references to all the interesting elements in the graph container and
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// bind event handlers.
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var graphWrapper = self.el.find("#graph_wrapper" + self.id);
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self.queryForm = graphWrapper.find(".query_form");
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self.expr = graphWrapper.find("input[name=expr]");
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self.rangeInput = self.queryForm.find("input[name=range_input]");
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self.stacked = self.queryForm.find("input[name=stacked]");
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self.graph = graphWrapper.find(".graph");
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self.legend = graphWrapper.find(".legend");
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self.spinner = graphWrapper.find(".spinner");
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self.evalStats = graphWrapper.find(".eval_stats");
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self.stacked.change(function() { self.updateGraph(); });
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self.queryForm.submit(function() { self.submitQuery(); return false; });
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self.spinner.hide();
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self.queryForm.find("input[name=inc_range]").click(function() { self.increaseRange(); });
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self.queryForm.find("input[name=dec_range]").click(function() { self.decreaseRange(); });
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self.expr.focus(); // TODO: move to external Graph method.
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if (self.expr.val()) {
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self.submitQuery();
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}
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};
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Prometheus.Graph.prototype.onChange = function(handler) {
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this.changeHandler = handler;
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};
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Prometheus.Graph.prototype.getOptions = function(handler) {
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var self = this;
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var options = {};
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var optionInputs = [
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"expr",
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"range_input",
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"end",
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"step_input",
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"stacked"
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];
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self.queryForm.find("input").each(function(index, element) {
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var name = element.name;
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if ($.inArray(name, optionInputs) >= 0) {
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if (name == "stacked") {
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options[name] = element.checked;
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} else {
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options[name] = element.value;
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}
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}
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});
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return options;
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};
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Prometheus.Graph.prototype.parseRange = function(rangeText) {
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var rangeRE = new RegExp("^([0-9]+)([ywdhms]+)$");
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var matches = rangeText.match(rangeRE);
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if (matches.length != 3) {
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return 60;
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}
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var value = parseInt(matches[1]);
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var unit = matches[2];
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return value * Prometheus.Graph.timeFactors[unit];
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};
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Prometheus.Graph.prototype.increaseRange = function() {
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var self = this;
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var rangeSeconds = self.parseRange(self.rangeInput.val());
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for (var i = 0; i < Prometheus.Graph.stepValues.length; i++) {
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if (rangeSeconds < self.parseRange(Prometheus.Graph.stepValues[i])) {
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self.rangeInput.val(Prometheus.Graph.stepValues[i]);
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if (self.expr.val()) {
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self.submitQuery();
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}
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return;
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}
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}
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};
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Prometheus.Graph.prototype.decreaseRange = function() {
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var self = this;
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var rangeSeconds = self.parseRange(self.rangeInput.val());
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for (var i = Prometheus.Graph.stepValues.length - 1; i >= 0; i--) {
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if (rangeSeconds > self.parseRange(Prometheus.Graph.stepValues[i])) {
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self.rangeInput.val(Prometheus.Graph.stepValues[i]);
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if (self.expr.val()) {
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self.submitQuery();
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}
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return;
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}
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}
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};
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Prometheus.Graph.prototype.submitQuery = function() {
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var self = this;
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self.spinner.show();
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self.evalStats.empty();
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var startTime = new Date().getTime();
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var rangeSeconds = self.parseRange(self.rangeInput.val());
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self.queryForm.find("input[name=range]").val(rangeSeconds);
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var resolution = self.queryForm.find("input[name=step_input]").val() || Math.max(Math.floor(rangeSeconds / 250), 1);
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self.queryForm.find("input[name=step]").val(resolution);
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$.ajax({
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method: self.queryForm.attr("method"),
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url: self.queryForm.attr("action"),
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dataType: "json",
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data: self.queryForm.serialize(),
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success: function(json, textStatus) {
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if (json.Type == "error") {
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alert(json.Value);
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return;
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}
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self.data = self.transformData(json);
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if (self.data.length == 0) {
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alert("No datapoints found.");
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return;
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}
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self.updateGraph(true);
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},
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error: function() {
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alert("Error executing query!");
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},
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complete: function() {
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var duration = new Date().getTime() - startTime;
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self.evalStats.html("Load time: " + duration + "ms, resolution: " + resolution + "s");
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self.spinner.hide();
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}
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});
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};
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Prometheus.Graph.prototype.metricToTsName = function(labels) {
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var tsName = labels["name"] + "{";
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var labelStrings = [];
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for (label in labels) {
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if (label != "name") {
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labelStrings.push(label + "='" + labels[label] + "'");
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}
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}
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tsName += labelStrings.join(",") + "}";
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return tsName;
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};
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Prometheus.Graph.prototype.parseValue = function(value) {
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if (value == "NaN" || value == "Inf" || value == "-Inf") {
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return 0; // TODO: what should we really do here?
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} else {
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return parseFloat(value)
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}
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};
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Prometheus.Graph.prototype.transformData = function(json) {
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self = this;
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var palette = new Rickshaw.Color.Palette();
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if (json.Type != "matrix") {
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alert("Result is not of matrix type! Please enter a correct expression.");
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return [];
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}
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var data = json.Value.map(function(ts) {
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return {
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name: self.metricToTsName(ts.Metric),
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data: ts.Values.map(function(value) {
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return {
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x: value.Timestamp,
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y: self.parseValue(value.Value)
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}
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}),
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color: palette.color()
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};
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});
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Rickshaw.Series.zeroFill(data);
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return data;
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};
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Prometheus.Graph.prototype.showGraph = function() {
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var self = this;
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self.rickshawGraph = new Rickshaw.Graph({
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element: self.graph[0],
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height: 800,
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renderer: (self.stacked.is(":checked") ? "stack" : "line"),
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interpolation: "linear",
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series: self.data
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});
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var xAxis = new Rickshaw.Graph.Axis.Time({ graph: self.rickshawGraph });
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var yAxis = new Rickshaw.Graph.Axis.Y({
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graph: self.rickshawGraph,
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tickFormat: Rickshaw.Fixtures.Number.formatKMBT,
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});
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self.rickshawGraph.render();
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};
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Prometheus.Graph.prototype.updateGraph = function(reloadGraph) {
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var self = this;
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if (self.data.length == 0) { return; }
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if (self.rickshawGraph == null || reloadGraph) {
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self.graph.empty();
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self.legend.empty();
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self.showGraph();
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} else {
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self.rickshawGraph.configure({
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renderer: (self.stacked.is(":checked") ? "stack" : "line"),
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interpolation: "linear",
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series: self.data
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});
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self.rickshawGraph.render();
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}
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var hoverDetail = new Rickshaw.Graph.HoverDetail({
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graph: self.rickshawGraph
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});
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var legend = new Rickshaw.Graph.Legend({
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element: self.legend[0],
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graph: self.rickshawGraph
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});
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var shelving = new Rickshaw.Graph.Behavior.Series.Toggle({
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graph: self.rickshawGraph,
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legend: legend
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});
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self.changeHandler();
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};
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function parseGraphOptionsFromUrl() {
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var hashOptions = window.location.hash.slice(1);
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if (!hashOptions) {
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return [];
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}
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var optionsJSON = decodeURIComponent(window.location.hash.slice(1));
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return JSON.parse(optionsJSON);
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}
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function storeGraphOptionsInUrl(options) {
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var allGraphsOptions = [];
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for (var i = 0; i < graphs.length; i++) {
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allGraphsOptions.push(graphs[i].getOptions());
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console.log(graphs[i].id);
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console.log(graphs[i].getOptions());
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}
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var optionsJSON = JSON.stringify(allGraphsOptions);
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window.location.hash = encodeURIComponent(optionsJSON);
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}
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function addGraph(options) {
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var graph = new Prometheus.Graph($("#graph_container"), options);
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graphs.push(graph);
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graph.onChange(function() {
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storeGraphOptionsInUrl();
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});
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}
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function init() {
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jQuery.ajaxSetup({
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cache: false
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});
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var options = parseGraphOptionsFromUrl();
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for (var i = 0; i < options.length; i++) {
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addGraph(options[i]);
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}
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$("#add_graph").click(function() { addGraph({}); });
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}
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$(init);
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|
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@ -1,212 +0,0 @@
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// Graph options we might want:
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// Grid off/on
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// Stacked off/on
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// Area off/on
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// Legend position
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// Short link
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// Graph title
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// Palette
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// Background
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// Enable tooltips
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// width/height
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// Axis options
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// Y-Range min/max
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// (X-Range min/max)
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// X-Axis format
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// Y-Axis format
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// Y-Axis title
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// X-Axis title
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// Log scale
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var graph = null;
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var data = [];
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var timeFactors = {
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"y": 60 * 60 * 24 * 365,
|
||||
"w": 60 * 60 * 24 * 7,
|
||||
"d": 60 * 60 * 24,
|
||||
"h": 60 * 60,
|
||||
"m": 60,
|
||||
"s": 1
|
||||
};
|
||||
|
||||
var steps = ["1s", "10s", "1m", "5m", "15m", "30m", "1h", "2h", "6h", "12h",
|
||||
"1d", "2d", "1w", "2w", "4w", "8w", "1y", "2y"];
|
||||
|
||||
function parseRange(rangeText) {
|
||||
var rangeRE = new RegExp("^([0-9]+)([ywdhms]+)$");
|
||||
var matches = rangeText.match(rangeRE);
|
||||
if (matches.length != 3) {
|
||||
return 60;
|
||||
}
|
||||
var value = parseInt(matches[1]);
|
||||
var unit = matches[2];
|
||||
return value * timeFactors[unit];
|
||||
}
|
||||
|
||||
function increaseRange() {
|
||||
var rangeSeconds = parseRange($("#range_input").val());
|
||||
for (var i = 0; i < steps.length; i++) {
|
||||
if (rangeSeconds < parseRange(steps[i])) {
|
||||
$("#range_input").val(steps[i]);
|
||||
submitQuery();
|
||||
return;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
function decreaseRange() {
|
||||
var rangeSeconds = parseRange($("#range_input").val());
|
||||
for (var i = steps.length - 1; i >= 0; i--) {
|
||||
if (rangeSeconds > parseRange(steps[i])) {
|
||||
$("#range_input").val(steps[i]);
|
||||
submitQuery();
|
||||
return;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
function submitQuery() {
|
||||
$("#spinner").show();
|
||||
$("#eval_stats").empty();
|
||||
|
||||
var form = $("#query_form");
|
||||
var startTime = new Date().getTime();
|
||||
|
||||
var rangeSeconds = parseRange($("#range_input").val());
|
||||
$("#range").val(rangeSeconds);
|
||||
var resolution = $("#step_input").val() || Math.max(Math.floor(rangeSeconds / 250), 1);
|
||||
$("#step").val(resolution);
|
||||
|
||||
$.ajax({
|
||||
method: form.attr("method"),
|
||||
url: form.attr("action"),
|
||||
dataType: "json",
|
||||
data: form.serialize(),
|
||||
success: function(json, textStatus) {
|
||||
if (json.Type == "error") {
|
||||
alert(json.Value);
|
||||
return;
|
||||
}
|
||||
data = transformData(json);
|
||||
if (data.length == 0) {
|
||||
alert("No datapoints found.");
|
||||
return;
|
||||
}
|
||||
updateGraph(true);
|
||||
},
|
||||
error: function() {
|
||||
alert("Error executing query!");
|
||||
},
|
||||
complete: function() {
|
||||
var duration = new Date().getTime() - startTime;
|
||||
$("#eval_stats").html("Load time: " + duration + "ms, resolution: " + resolution + "s");
|
||||
$("#spinner").hide();
|
||||
}
|
||||
});
|
||||
return false;
|
||||
}
|
||||
|
||||
function metricToTsName(labels) {
|
||||
var tsName = labels["name"] + "{";
|
||||
var labelStrings = [];
|
||||
for (label in labels) {
|
||||
if (label != "name") {
|
||||
labelStrings.push(label + "='" + labels[label] + "'");
|
||||
}
|
||||
}
|
||||
tsName += labelStrings.join(",") + "}";
|
||||
return tsName;
|
||||
}
|
||||
|
||||
function parseValue(value) {
|
||||
if (value == "NaN" || value == "Inf" || value == "-Inf") {
|
||||
return 0; // TODO: what should we really do here?
|
||||
} else {
|
||||
return parseFloat(value)
|
||||
}
|
||||
}
|
||||
|
||||
function transformData(json) {
|
||||
var palette = new Rickshaw.Color.Palette();
|
||||
if (json.Type != "matrix") {
|
||||
alert("Result is not of matrix type! Please enter a correct expression.");
|
||||
return [];
|
||||
}
|
||||
var data = json.Value.map(function(ts) {
|
||||
return {
|
||||
name: metricToTsName(ts.Metric),
|
||||
data: ts.Values.map(function(value) {
|
||||
return {
|
||||
x: value.Timestamp,
|
||||
y: parseValue(value.Value)
|
||||
}
|
||||
}),
|
||||
color: palette.color()
|
||||
};
|
||||
});
|
||||
Rickshaw.Series.zeroFill(data);
|
||||
return data;
|
||||
}
|
||||
|
||||
function showGraph() {
|
||||
graph = new Rickshaw.Graph({
|
||||
element: document.querySelector("#chart"),
|
||||
height: 800,
|
||||
renderer: ($("#stacked").is(":checked") ? "stack" : "line"),
|
||||
interpolation: "linear",
|
||||
series: data
|
||||
});
|
||||
|
||||
var x_axis = new Rickshaw.Graph.Axis.Time({ graph: graph });
|
||||
|
||||
var y_axis = new Rickshaw.Graph.Axis.Y({
|
||||
graph: graph,
|
||||
tickFormat: Rickshaw.Fixtures.Number.formatKMBT,
|
||||
});
|
||||
|
||||
graph.render();
|
||||
}
|
||||
|
||||
function updateGraph(reloadGraph) {
|
||||
if (graph == null || reloadGraph) {
|
||||
$("#chart").empty();
|
||||
$("#legend").empty();
|
||||
showGraph();
|
||||
} else {
|
||||
graph.configure({
|
||||
renderer: ($("#stacked").is(":checked") ? "stack" : "line"),
|
||||
interpolation: "linear",
|
||||
series: data
|
||||
});
|
||||
graph.render();
|
||||
}
|
||||
|
||||
var hoverDetail = new Rickshaw.Graph.HoverDetail({
|
||||
graph: graph
|
||||
});
|
||||
|
||||
var legend = new Rickshaw.Graph.Legend({
|
||||
element: document.querySelector("#legend"),
|
||||
graph: graph
|
||||
});
|
||||
|
||||
var shelving = new Rickshaw.Graph.Behavior.Series.Toggle({
|
||||
graph: graph,
|
||||
legend: legend
|
||||
});
|
||||
}
|
||||
|
||||
function init() {
|
||||
jQuery.ajaxSetup({
|
||||
cache: false
|
||||
});
|
||||
$("#spinner").hide();
|
||||
$("#query_form").submit(submitQuery);
|
||||
$("#inc_range").click(increaseRange);
|
||||
$("#dec_range").click(decreaseRange);
|
||||
$("#stacked").change(updateGraph);
|
||||
$("#expr").focus();
|
||||
}
|
||||
|
||||
$(init);
|
||||
Loading…
Reference in New Issue