Adding Charts
parent
55c34e9375
commit
4ac2d3d76f
10
README.md
10
README.md
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@ -107,17 +107,11 @@ Configure the flask configuration according to your needs (port,host,...) in con
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class flask_conf:
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port = 8090
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host = "0.0.0.0"
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thread = False
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thread = True
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debug = False
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reloader = False
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ssl = 'adhoc'
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```
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NB: the parameter ssl = 'adhoc' will activate the HTTPS with a self certificate.
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If you get an error, you should add this package :
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```bash
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pip3 install pyopenssl
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```
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NB: Let thread = True, else this will take a time to switch from node to another node
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## Path configuration
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```bash
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31
app.py
31
app.py
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@ -1,11 +1,13 @@
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#!/usr/bin/python3
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import paramiko
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from config import *
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from flask import Flask, redirect, render_template, request, url_for, Response
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from flask import Flask, redirect, render_template, request, url_for, Response, stream_with_context
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import time
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from datetime import datetime
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import json
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app = Flask(__name__)
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def get_remote(hostname, port, username, password, local_script_path, remote_script_path):
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ssh = paramiko.SSHClient()
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try:
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@ -30,15 +32,34 @@ def get_full(node):
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def get_info():
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node = 'localhost'
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full = get_full(node)
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return render_template('index.html', full = full, client = client, titre = flask_conf.title)
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return render_template('index.html', full = full, client = client, titre = flask_conf.title, node = node)
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@app.route("/n/<node>", methods = ['POST', 'GET'])
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def get_node_info(node):
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full = get_full(node)
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return render_template('index.html', full = full, client = client, titre = flask_conf.title)
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return render_template('index.html', full = full, client = client, titre = flask_conf.title, node = node)
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def get_ressources(nodename):
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while True:
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full = get_full(nodename)
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json_data = json.dumps(
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{
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"time": datetime.now().strftime("%Y-%m-%d %H:%M:%S"),
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"cpu": full['cpu']['percent'],
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"mem": full['mem']['percent'],
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"swap": full['swap']['percent'],
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}
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)
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yield f"data:{json_data}\n\n"
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time.sleep(1)
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@app.route("/chart-ressources/<nodename>")
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def chart_data(nodename) -> Response:
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response = Response(stream_with_context(get_ressources(nodename)), mimetype="text/event-stream")
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response.headers["Cache-Control"] = "no-cache"
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response.headers["X-Accel-Buffering"] = "no"
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return response
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if __name__ == "__main__":
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app.run(host=flask_conf.host, port=flask_conf.port, use_reloader=flask_conf.reloader, threaded=flask_conf.thread, debug=flask_conf.debug, ssl_context=flask_conf.ssl)
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app.run(host=flask_conf.host, port=flask_conf.port, use_reloader=flask_conf.reloader, threaded=flask_conf.thread, debug=flask_conf.debug)
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@ -13,10 +13,9 @@ class ssh_conf:
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class flask_conf:
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port = 8090
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host = "0.0.0.0"
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thread = False
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thread = True
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debug = False
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reloader = False
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ssl = 'adhoc'
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title = 'Pymonit'
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#Path configuration
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@ -7,6 +7,9 @@
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<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0-alpha1/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-GLhlTQ8iRABdZLl6O3oVMWSktQOp6b7In1Zl3/Jr59b6EGGoI1aFkw7cmDA6j6gD" crossorigin="anonymous">
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<script src="https://cdn.jsdelivr.net/npm/@popperjs/core@2.11.6/dist/umd/popper.min.js" integrity="sha384-oBqDVmMz9ATKxIep9tiCxS/Z9fNfEXiDAYTujMAeBAsjFuCZSmKbSSUnQlmh/jp3" crossorigin="anonymous"></script>
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<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0-alpha1/dist/js/bootstrap.bundle.min.js" integrity="sha384-w76AqPfDkMBDXo30jS1Sgez6pr3x5MlQ1ZAGC+nuZB+EYdgRZgiwxhTBTkF7CXvN" crossorigin="anonymous"></script>
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<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/Chart.js/2.9.4/Chart.min.css" integrity="sha512-/zs32ZEJh+/EO2N1b0PEdoA10JkdC3zJ8L5FTiQu82LR9S/rOQNfQN7U59U9BC12swNeRAz3HSzIL2vpp4fv3w==" crossorigin="anonymous" referrerpolicy="no-referrer"/>
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<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.6.0/jquery.min.js" integrity="sha512-894YE6QWD5I59HgZOGReFYm4dnWc1Qt5NtvYSaNcOP+u1T9qYdvdihz0PPSiiqn/+/3e7Jo4EaG7TubfWGUrMQ==" crossorigin="anonymous" referrerpolicy="no-referrer"></script>
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<script src="https://cdnjs.cloudflare.com/ajax/libs/Chart.js/2.9.4/Chart.min.js" integrity="sha512-d9xgZrVZpmmQlfonhQUvTR7lMPtO7NkZMkA0ABN3PHCbKA5nqylQ/yWlFAyY6hYgdF1Qh6nYiuADWwKB4C2WSw==" crossorigin="anonymous" referrerpolicy="no-referrer"></script>
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</head>
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@ -15,6 +18,8 @@
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<body>
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<center>
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<nav class="navbar navbar-expand-lg bg-body-tertiary shadow">
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<div class="container-fluid">
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<button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarSupportedContent" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
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@ -52,10 +57,23 @@ Environnement
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<br> CPU : {{ full['cpu_number'] }}
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<br> vCPU : {{ full['vcpu'] }}
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<br> Memory : {{ full['mem_max']}}
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<br> Node : {{ node }}
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</div></div>
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</div>
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<div class="col-8">
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<div class="card">
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<div class="card-header">
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Monitor
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</div>
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<div class="card-body">
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<canvas id="canvas"></canvas>
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<br>
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</div>
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</div>
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</div>
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<br>
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<div class="card">
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<div class="card-header">
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Usage
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</div>
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@ -86,8 +104,6 @@ total : {{ full['swap']['total'] }} / used : {{ full['swap']['used'] }} / free :
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</div>
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</div>
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</div>
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</div>
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<br>
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<div class="card">
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@ -126,5 +142,90 @@ total : {{ full[key]['size_total'] }} / used : {{ full[key]['size_used'] }} / fr
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</table>
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</div>
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</div>
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<script>
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$(document).ready(function () {
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const config = {
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type: 'line',
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data: {
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labels: Array(30).fill("0000-00-00 00:00:00"),
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datasets: [{
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label: "CPU %",
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backgroundColor: 'rgb(0, 191, 255)',
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borderColor: 'rgb(0, 191, 255)',
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data: Array(30).fill(null),
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fill: false,
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},{
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label: "Mem %",
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backgroundColor: 'rgb(255,240,100)',
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borderColor: 'rgb(255, 240, 100)',
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data: Array(30).fill(null),
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fill: false,
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},{
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label: "Swap %",
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backgroundColor: 'rgb(255, 20, 100)',
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borderColor: 'rgb(255, 20, 100)',
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data: Array(30).fill(null),
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fill: false,
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}],
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},
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options: {
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responsive: true,
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title: {
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display: false,
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},
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tooltips: {
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mode: 'index',
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intersect: false,
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},
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hover: {
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mode: 'nearest',
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intersect: true
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},
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scales: {
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xAxes: [{
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display: false,
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scaleLabel: {
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display: true,
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labelString: 'Time'
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}
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}],
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yAxes: [{
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display: true,
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scaleLabel: [{
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display: true,
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labelString: 'CPU'
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},{
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display: true,
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labelString: 'Mem'
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},{
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display: true,
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labelString: 'Swap'
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}]
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}]
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}
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}
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};
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const context = document.getElementById('canvas').getContext('2d');
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const lineChart = new Chart(context, config);
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const source = new EventSource("/chart-ressources/{{ node }}");
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source.onmessage = function (event) {
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const data = JSON.parse(event.data);
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if (config.data.labels.length === 30) {
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config.data.labels.shift();
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config.data.datasets[0].data.shift();
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config.data.datasets[1].data.shift();
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config.data.datasets[2].data.shift();
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}
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config.data.labels.push(data.time);
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config.data.datasets[0].data.push(data.cpu);
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config.data.datasets[1].data.push(data.mem);
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config.data.datasets[2].data.push(data.swap);
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lineChart.update();
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}
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});
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</script>
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</body>
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</html>
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