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5c7a8006 by Rafal Wilinski
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:mans_shoe: Proof of concept with CPU and Memory

1 parent 87b6f07e
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Showing 2 changed files with 125 additions and 28 deletions
index.html
......@@ -3,50 +3,147 @@
<head>
<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;
}
.stats-column {
display: flex;
flex-direction: column;
justify-content: center;
align-content: center;
margin-right: 3em;
}
.container {
display: flex;
flex-direction: row;
margin: auto;
}
.footer {
position: fixed;
margin: auto;
text-align: center;
left: 0;
right: 0;
bottom: 0;
}
</style>
</head>
<body>
<div style="width: 400px; margin: auto">
<canvas id="myChart" width="400" height="200"></canvas>
<h3>Express Status</h3>
<div class="container">
<div class="stats-column">
<h5>CPU Usage</h5>
<h1 id="cpuStat">0.03%</h1>
</div>
<canvas id="cpuChart" width="400" height="100"></canvas>
</div>
<div class="container">
<div class="stats-column">
<h5>Memory Usage</h5>
<h1 id="memStat">0.03%</h1>
</div>
<canvas id="memChart" width="400" height="100"></canvas>
</div>
<div class="footer">
<p>Powered by Socket.io</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('http://localhost:41338');
var labels = [0];
var dataset = [{
var labels = [];
var cpuDataset = [{
label: 'CPU Usage in %',
data: [0],
lineTension: 0,
pointRadius: 0
data: [],
lineTension: 0.3,
pointRadius: 0,
}];
var memDataset = [{
label: 'Memory Usage in MB',
data: [],
lineTension: 0.6,
pointRadius: 0,
}];
var defaultOptions = {
scales: {
yAxes: [{
ticks: {
beginAtZero: true
}
}],
xAxes: [{
type: 'time',
time: {
unitStepSize: 30
},
gridLines: {
display: false
}
}]
},
tooltips: {
enabled: false
}
};
var ctx = document.getElementById("myChart");
var myChart = new Chart(ctx, {
var cpuStat = document.getElementById('cpuStat');
var cpuChartCtx = document.getElementById("cpuChart");
var memChartCtx = document.getElementById("memChart");
var cpuChart = new Chart(cpuChartCtx, {
type: 'line',
data: {
labels: labels,
datasets: dataset,
datasets: cpuDataset,
},
options: {
scales: {
yAxes: [{
ticks: {
beginAtZero: true
}
}],
},
tooltips: {
enabled: false
}
}
options: defaultOptions
});
var memChart = new Chart(memChartCtx, {
type: 'line',
data: {
labels: labels,
datasets: memDataset,
},
options: defaultOptions
});
socket.on('stats', function (data) {
console.log(data);
labels = data.osStats.map((point) => point.timestamp);
dataset[0].data = data.osStats.map((point) => point.cpu);
cpuStat.textContent = data.osStats[data.osStats.length - 1].cpu.toFixed(1) + '%';
cpuChart.data.datasets[0].data = data.osStats.map((point) => point.cpu);
cpuChart.data.labels = data.osStats.map((point) => point.timestamp);
cpuChart.update();
myChart.data.datasets[0].data.push(data.osStats[data.osStats.length - 1].cpu);
myChart.data.labels.push(data.osStats[data.osStats.length - 1].timestamp);
myChart.update();
memStat.textContent = (data.osStats[data.osStats.length - 1].memory / 1024 / 1024).toFixed(1) + 'MB';
memChart.data.datasets[0].data = data.osStats.map((point) => point.memory);
memChart.data.labels = data.osStats.map((point) => point.timestamp);
memChart.update();
});
</script>
</body>
......
index.js
......@@ -11,7 +11,7 @@
socketPort: 41338,
path: '/status',
interval: 1,
retention: 30,
retention: 100,
};
const gatherOsMetrics = (io) => {
......
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