forked from RafalWilinski/express-status-monitor
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathindex.html
More file actions
325 lines (285 loc) · 9.66 KB
/
index.html
File metadata and controls
325 lines (285 loc) · 9.66 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
<!DOCTYPE html>
<html>
<head>
<title>Express Status</title>
<script src="https://cdnjs.cloudflare.com/ajax/libs/Chart.js/2.2.1/Chart.bundle.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/socket.io/1.4.5/socket.io.min.js"></script>
<style>
* {
font-family: Helvetica Neue, Helvetica, Arial, sans-serif;
}
h1 {
font-size: 3em;
color: #222222;
margin: 0;
}
h5 {
margin: 0;
color: #888888;
}
p {
font-size: 0.7em;
color: #888888;
}
span {
cursor: pointer;
font-size: 10px;
margin-left: 5px;
border: 1px solid #DDD;
padding: 3px 10px 4px 10px;
}
canvas {
width: 400px;
height: 100px;
}
.active {
background: #eeeeee;
}
.stats-column {
flex: 0 0 200px;
}
.container {
display: flex;
flex-direction: row;
margin-top: 20px;
height: 100px;
}
.chart-container {
width: 400px;
height: 100px;
}
.footer {
position: fixed;
margin: auto;
text-align: center;
left: 0;
right: 0;
bottom: 0;
}
.span-controls {
float: right;
}
</style>
</head>
<body>
<div style="width: 600px; margin: auto">
<div class="header">
<b>Express Status</b>
<div id="span-controls" class="span-controls">
</div>
</div>
<div class="container">
<div class="stats-column">
<h5>CPU Usage</h5>
<h1 id="cpuStat">- %</h1>
</div>
<div class="chart-container">
<canvas id="cpuChart" width="400" height="100"></canvas>
</div>
</div>
<div class="container">
<div class="stats-column">
<h5>Memory Usage</h5>
<h1 id="memStat">- %</h1>
</div>
<div class="chart-container">
<canvas id="memChart" width="200" height="100"></canvas>
</div>
</div>
<div class="container">
<div class="stats-column">
<h5>One Minute Load Avg</h5>
<h1 id="loadStat">-</h1>
</div>
<div class="chart-container">
<canvas id="loadChart" width="200" height="100"></canvas>
</div>
</div>
<div class="container">
<div class="stats-column">
<h5>Response Time</h5>
<h1 id="responseTimeStat">-</h1>
</div>
<div class="chart-container">
<canvas id="responseTimeChart" width="200" height="100"></canvas>
</div>
</div>
<div class="container">
<div class="stats-column">
<h5>Requests per Second</h5>
<h1 id="rpsStat">-</h1>
</div>
<div class="chart-container">
<canvas id="rpsChart" width="200" height="100"></canvas>
</div>
</div>
<div class="footer">
<p>Made with ♥ with Socket.io & Chart.js</p>
</div>
</div>
<script>
Chart.defaults.global.defaultFontSize = 8;
Chart.defaults.global.animation.duration = 500;
Chart.defaults.global.legend.display = false;
Chart.defaults.global.elements.line.backgroundColor = "rgba(0,0,0,0)";
Chart.defaults.global.elements.line.borderColor = "rgba(0,0,0,0.9)";
Chart.defaults.global.elements.line.borderWidth = 2;
var socket = io(location.protocol + '//' + location.hostname + ':' + location.port);
var defaultSpan = 0;
var spans = [];
var defaultDataset = {
label: '',
data: [],
lineTension: 0.2,
pointRadius: 0
};
var defaultOptions = {
scales: {
yAxes: [{
ticks: {
beginAtZero: true
}
}],
xAxes: [{
type: 'time',
time: {
unitStepSize: 30
},
gridLines: {
display: false
}
}]
},
tooltips: {
enabled: false
},
responsive: true,
maintainAspectRatio: false,
animation: false
};
var createChart = function (ctx, dataset) {
return new Chart(ctx, {
type: 'line',
data: {
labels: [],
datasets: dataset
},
options: defaultOptions
});
};
var addTimestamp = function(point) {
return point.timestamp;
};
var cpuDataset = [Object.create(defaultDataset)];
var memDataset = [Object.create(defaultDataset)];
var loadDataset = [Object.create(defaultDataset)];
var responseTimeDataset = [Object.create(defaultDataset)];
var rpsDataset = [Object.create(defaultDataset)];
var cpuStat = document.getElementById('cpuStat');
var memStat = document.getElementById('memStat');
var loadStat = document.getElementById('loadStat');
var responseTimeStat = document.getElementById('responseTimeStat');
var rpsStat = document.getElementById('rpsStat');
var cpuChartCtx = document.getElementById("cpuChart");
var memChartCtx = document.getElementById("memChart");
var loadChartCtx = document.getElementById("loadChart");
var responseTimeChartCtx = document.getElementById("responseTimeChart");
var rpsChartCtx = document.getElementById("rpsChart");
var cpuChart = createChart(cpuChartCtx, cpuDataset);
var memChart = createChart(memChartCtx, memDataset);
var loadChart = createChart(loadChartCtx, loadDataset);
var responseTimeChart = createChart(responseTimeChartCtx, responseTimeDataset);
var rpsChart = createChart(rpsChartCtx, rpsDataset);
var charts = [cpuChart, memChart, loadChart, responseTimeChart, rpsChart];
var (e) {
e.target.classList.add('active');
defaultSpan = parseInt(e.target.id);
var otherSpans = document.getElementsByTagName('span');
for (var i = 0; i < otherSpans.length; i++) {
if (otherSpans[i] !== e.target) otherSpans[i].classList.remove('active');
}
socket.emit('change');
};
socket.on('start', function (data) {
// Remove last element of Array because it contains malformed responses data.
// To keep consistency we also remove os data.
data[defaultSpan].responses.pop();
data[defaultSpan].os.pop();
cpuStat.textContent = data[defaultSpan].os[data[defaultSpan].os.length - 1].cpu.toFixed(1) + '%';
cpuChart.data.datasets[0].data = data[defaultSpan].os.map(function (point) {
return point.cpu;
});
cpuChart.data.labels = data[defaultSpan].os.map(addTimestamp);
memStat.textContent = data[defaultSpan].os[data[defaultSpan].os.length - 1].memory.toFixed(1) + 'MB';
memChart.data.datasets[0].data = data[defaultSpan].os.map(function (point) {
return point.memory;
});
memChart.data.labels = data[defaultSpan].os.map(addTimestamp);
loadStat.textContent = data[defaultSpan].os[data[defaultSpan].os.length - 1].load[defaultSpan].toFixed(2);
loadChart.data.datasets[0].data = data[defaultSpan].os.map(function (point) {
return point.load[0];
});
loadChart.data.labels = data[defaultSpan].os.map(addTimestamp);
responseTimeStat.textContent = data[defaultSpan].responses[data[defaultSpan].responses.length - 1].mean.toFixed(2) + 'ms';
responseTimeChart.data.datasets[0].data = data[defaultSpan].responses.map(function (point) {
return point.mean;
});
responseTimeChart.data.labels = data[defaultSpan].responses.map(addTimestamp);
if (data[defaultSpan].responses.length >= 2) {
var deltaTime = data[defaultSpan].responses[data[defaultSpan].responses.length - 1].timestamp - data[defaultSpan].responses[data[defaultSpan].responses.length - 2].timestamp;
rpsStat.textContent = (data[defaultSpan].responses[data[defaultSpan].responses.length - 1].count / deltaTime * 1000).toFixed(2);
rpsChart.data.datasets[0].data = data[defaultSpan].responses.map(function (point) {
return point.count / deltaTime * 1000;
});
rpsChart.data.labels = data[defaultSpan].responses.map(addTimestamp);
}
charts.forEach(function(chart) {
chart.update();
});
var spanControls = document.getElementById('span-controls');
if (data.length !== spans.length) {
data.forEach(function (span, index) {
spans.push({
retention: span.retention,
interval: span.interval
});
var spanNode = document.createElement('span');
var textNode = document.createTextNode((span.retention * span.interval) / 60 + "M");
spanNode.appendChild(textNode);
spanNode.setAttribute('id', index);
spanNode.>
spanControls.appendChild(spanNode);
});
document.getElementsByTagName('span')[0].classList.add('active');
}
});
socket.on('stats', function (data) {
if (data.retention === spans[defaultSpan].retention && data.interval === spans[defaultSpan].interval) {
cpuStat.textContent = data.os.cpu.toFixed(1) + '%';
cpuChart.data.datasets[0].data.push(data.os.cpu);
cpuChart.data.labels.push(data.os.timestamp);
memStat.textContent = data.os.memory.toFixed(1) + 'MB';
memChart.data.datasets[0].data.push(data.os.memory);
memChart.data.labels.push(data.os.timestamp);
loadStat.textContent = data.os.load[0].toFixed(2);
loadChart.data.datasets[0].data.push(data.os.load[0]);
loadChart.data.labels.push(data.os.timestamp);
responseTimeStat.textContent = data.responses.mean.toFixed(2) + 'ms';
responseTimeChart.data.datasets[0].data.push(data.responses.mean);
responseTimeChart.data.labels.push(data.responses.timestamp);
var deltaTime = data.responses.timestamp - rpsChart.data.labels[rpsChart.data.labels.length - 1];
rpsStat.textContent = (data.responses.count / deltaTime * 1000).toFixed(2);
rpsChart.data.datasets[0].data.push(data.responses.count / deltaTime * 1000);
rpsChart.data.labels.push(data.responses.timestamp);
charts.forEach(function (chart) {
if (spans[defaultSpan].retention < chart.data.labels.length) {
chart.data.datasets[0].data.shift();
chart.data.labels.shift();
}
chart.update();
});
}
});
</script>
</body>
</html>
You can’t perform that action at this time.