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<article itemscope itemtype="http://schema.org/Article"><div class="article__header"><header><h1 style="color:Tomato;">Monitorer un système linux avec Telegraf, InfluxDB et Grafana</h1></header></div><meta itemprop="headline" content="Monitorer un système linux avec Telegraf, InfluxDB et Grafana"><div class="article__info clearfix"><ul class="left-col menu"><li>
2024-11-08 14:10:33 +01:00
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<i class="far fa-calendar-alt"></i>&nbsp;<span title="Création" style="color:#FF00FF">20&nbsp;juin&nbsp;&nbsp;2021</span></li></ul></div><meta itemprop="datePublished" content="2021-06-20T00:00:00+02:00">
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</details><h2 id="installer-influxdb-telegraf-et-graphana">Installer InfluxDB Telegraf et Graphana</h2>
<h3 id="influxdb">InfluxDB</h3>
<p><em>Installer InfluxDB sur Debian 10 (Buster) Linux</em></p>
<p>Ajouter le dépôt APT dInfluxDB.</p>
<div class="language-bash highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="nb">sudo </span>apt update
<span class="nb">sudo </span>apt <span class="nb">install</span> <span class="nt">-y</span> gnupg curl wget
wget <span class="nt">-qO-</span> https://repos.influxdata.com/influxdb.key | <span class="nb">sudo </span>apt-key add -
<span class="nb">echo</span> <span class="s2">"deb https://repos.influxdata.com/debian buster stable"</span> | <span class="nb">sudo tee</span> /etc/apt/sources.list.d/influxdb.list
</code></pre></div></div>
<p>Une fois le dépôt ajouté, installez InfluxDB sur Linux Debian 10 (Buster) :</p>
<div class="language-bash highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="nb">sudo </span>apt update
<span class="nb">sudo </span>apt <span class="nb">install</span> <span class="nt">-y</span> influxdb
</code></pre></div></div>
<p>Le fichier de configuration par défaut dInfluxDB se trouve sous /etc/influxdb/influxdb.conf. La plupart des sections sont commentées, vous pouvez le modifier à votre guise et redémarrer le service influxdb après.</p>
<p>Démarrez et activez le service pour quil démarre au démarrage.</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>sudo systemctl enable --now influxdb
</code></pre></div></div>
<p>Vérifiez létat du service :</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>systemctl status influxdb
</code></pre></div></div>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>● influxdb.service - InfluxDB is an open-source, distributed, time series database
Loaded: loaded (/lib/systemd/system/influxdb.service; enabled; vendor preset: enabled)
Active: active (running) since Sun 2021-06-20 11:27:04 CEST; 8s ago
Docs: https://docs.influxdata.com/influxdb/
Main PID: 8642 (influxd)
Tasks: 13 (limit: 4915)
Memory: 11.7M
CGroup: /system.slice/influxdb.service
└─8642 /usr/bin/influxd -config /etc/influxdb/influxdb.conf
</code></pre></div></div>
<p>Ouvrir les ports du service influxdb sur le pare-feu<br />
Pour les utilisateurs utilisant le pare-feu ufw, autorisez le port du service.</p>
<div class="language-bash highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="nb">sudo </span>ufw allow 8086/tcp
</code></pre></div></div>
<p>Par défaut, InfluxDB utilise les ports réseau suivants :</p>
<p>Le port TCP 8086 est utilisé pour la communication client-serveur via lAPI HTTP dInfluxDB.<br />
Le port TCP 8088 est utilisé pour le service RPC de sauvegarde et de restauration.</p>
<p><strong>Configurer lauthentification http dInfluxDB (facultatif)</strong><br />
Si vous avez besoin dune authentification http, modifiez la section influxdb http pour quelle contienne ce qui suit.</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>sudo nano /etc/influxdb/influxdb.conf
</code></pre></div></div>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>[http]
auth-enabled = true
</code></pre></div></div>
<p>Ensuite, créez un utilisateur avec un mot de passe dauthentification :</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>curl -XPOST "http://localhost:8086/query" --data-urlencode "q=CREATE USER username WITH PASSWORD 'strongpassword' WITH ALL PRIVILEGES"
</code></pre></div></div>
<p>Remplacer:</p>
<ul>
<li><strong>username</strong> par votre propre nom dutilisateur</li>
<li><strong>strongpassword</strong> par votre propre mot de passe (notez que le mot de passe nécessite des guillemets simples)</li>
</ul>
<p>On va créer 2 utilisateurs : admin et yann</p>
<h3 id="telegraf">Telegraf</h3>
<p><em>Telegraf est une application dagent de surveillance développée par InfluxData dans le cadre de Tick Stack. Cette application est écrite en Go et est utilisée pour collecter des mesures de performance du système. Telegraf peut collecter des mesures à partir dun large éventail dentrées et les écrire dans un large éventail de sorties. Elle est pilotée par des plugins pour la collecte et la sortie des données, ce qui la rend facilement extensible.</em><br />
Avec plus de 200 <a href="https://www.influxdata.com/products/integrations/">plugins</a> disponibles écrits par des experts en la matière sur les données de la communauté, il est facile de commencer à collecter des métriques à partir de vos points finaux. Vous pouvez facilement ajouter de nouvelles entrées et sorties pour répondre à vos besoins de surveillance.</p>
<p>Mise à jour du système</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>sudo apt update &amp;&amp; sudo apt -y upgrade
</code></pre></div></div>
<p>Ajouter le dépôt Influxdata
Les binaires Go pré-packagés pour Telegraf sont disponibles sur le dépôt Influxdata.</p>
<p>Importez la clé GPG du dépôt.</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>sudo apt install -y gnupg curl wget
wget -qO- https://repos.influxdata.com/influxdb.key | sudo apt-key add -
</code></pre></div></div>
<p>Ajoutez le dépôt InfluxDB APT en utilisant la commande ci-dessous.</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>echo "deb https://repos.influxdata.com/debian buster stable" | sudo tee /etc/apt/sources.list.d/influxdb.list
</code></pre></div></div>
<p>et installer Telegraf</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>sudo apt update
sudo apt -y install telegraf
</code></pre></div></div>
<p>Vérifier le service Telegraf.</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>systemctl status telegraf
</code></pre></div></div>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>● telegraf.service - The plugin-driven server agent for reporting metrics into InfluxDB
Loaded: loaded (/lib/systemd/system/telegraf.service; enabled; vendor preset: enabled)
Active: active (running) since Sun 2021-06-20 11:31:22 CEST; 13s ago
Docs: https://github.com/influxdata/telegraf
Main PID: 9466 (telegraf)
Tasks: 10 (limit: 4915)
Memory: 26.9M
CGroup: /system.slice/telegraf.service
└─9466 /usr/bin/telegraf -config /etc/telegraf/telegraf.conf -config-directory /etc/
</code></pre></div></div>
<p>Le principal fichier de configuration de telegraf est <code class="language-plaintext highlighter-rouge">/etc/telegraf/telegraf.conf</code>. La plupart des sections sont commentées, mais vous pouvez les décommenter pour débloquer les entrées, sorties et configurations que vous souhaitez utiliser.</p>
<h3 id="grafana">Grafana</h3>
<p>Comment installer les dépendances de Grafana, télécharger et installer Grafana, rendre le service opérationnel sur votre système Debian ou Ubuntu, et décrit également les détails du paquet dinstallation.</p>
<blockquote>
<p>Remarque sur la mise à niveau : Bien que le processus de mise à niveau de Grafana soit très similaire à celui de linstallation de Grafana, il existe certaines étapes de sauvegarde clés que vous devez effectuer. Lisez <a href="https://grafana.com/docs/grafana/latest/installation/upgrading/">Upgrading Grafana</a> pour obtenir des conseils et des directives sur la mise à jour dune installation existante.</p>
</blockquote>
<p>Pour installer la dernière version OSS :</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>sudo apt-get install -y apt-transport-https software-properties-common wget
wget -q -O - https://packages.grafana.com/gpg.key | sudo apt-key add -
</code></pre></div></div>
<p>Ajoutez ce dépôt pour les versions stables :</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>echo "deb https://packages.grafana.com/oss/deb stable main" | sudo tee -a /etc/apt/sources.list.d/grafana.list
</code></pre></div></div>
<p>Après avoir ajouté le dépôt :</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>sudo apt-get update
sudo apt-get install grafana
</code></pre></div></div>
<p>Démarrer le serveur avec systemd<br />
Démarrer et activer le service puis vérifier</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>sudo systemctl daemon-reload
sudo systemctl start grafana-server
sudo systemctl enable grafana-server.service
systemctl status grafana-server
</code></pre></div></div>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>● grafana-server.service - Grafana instance
Loaded: loaded (/lib/systemd/system/grafana-server.service; enabled; vendor preset: enabled)
Active: active (running) since Sun 2021-06-20 11:36:32 CEST; 31s ago
Docs: http://docs.grafana.org
Main PID: 11339 (grafana-server)
Tasks: 10 (limit: 4915)
Memory: 28.9M
CGroup: /system.slice/grafana-server.service
└─11339 /usr/sbin/grafana-server --config=/etc/grafana/grafana.ini --pidfile=/var/ru
</code></pre></div></div>
<p>linterface dadministration de Grafana est accessible à lURL <a href="http://127.0.0.1:3000">http://127.0.0.1:3000</a> <br />
<img src="/images/grafana001.png" alt="Grafana" width="700" /><br />
A la première connexion, seul un compte “admin” est créé, avec le mot de passe “admin”.<br />
<img src="/images/grafana002.png" alt="Grafana" width="700" /> <br />
Créer le nouveau mot de passe</p>
<p>Pour créer les dashboards, vous pouvez récupérer des <a href="https://grafana.com/dashboards">dashboards de la communauté Grafana</a> ou créer vos propres dashboards.</p>
<p><strong>Désactiver les enregistrements et laccès anonyme à Grafana</strong><br />
<em>lorsque vous utilisez Grafana en ligne pour travailler avec des données sensibles, laccès anonyme peut poser un problème de sécurité. Pour résoudre ce problème, modifiez la configuration de Grafana.</em></p>
<p>Commencez par ouvrir le fichier de configuration principal de Grafana pour léditer :</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>sudo nano /etc/grafana/grafana.ini
</code></pre></div></div>
<p>Localisez la directive suivante <code class="language-plaintext highlighter-rouge">allow_sign_up</code> sous le titre <code class="language-plaintext highlighter-rouge">[users]</code><br />
<em>Décommentez la directive <code class="language-plaintext highlighter-rouge">allow_sign_up</code> en supprimant le <code class="language-plaintext highlighter-rouge">;</code> au début de la ligne puis en réglant loption sur <code class="language-plaintext highlighter-rouge">false</code></em></p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>/etc/grafana/grafana.ini
</code></pre></div></div>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>...
[users]
# disable user signup / registration
allow_sign_up = false
...
</code></pre></div></div>
<p>Désactiver cette directive avec <code class="language-plaintext highlighter-rouge">false</code> supprime le bouton Sign up et renforce la sécurité et la confidentialité de Grafana.</p>
<p>Ensuite, localisez la directive <code class="language-plaintext highlighter-rouge">enabled</code> suivante sous le titre <code class="language-plaintext highlighter-rouge">[auth.anonymous]</code><br />
<em>Décommentez la directive en supprimant le <code class="language-plaintext highlighter-rouge">;</code> au début de la ligne puis en réglant loption sur <code class="language-plaintext highlighter-rouge">false</code></em></p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>...
[auth.anonymous]
# enable anonymous access
enabled = false
...
</code></pre></div></div>
<p>Sauvegardez le fichier et quittez votre éditeur de texte et pour activer les changements, redémarrez Grafana</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>sudo systemctl restart grafana-server
</code></pre></div></div>
<h2 id="monitorer-système-avec-telegraf-influxdb-et-grafana">Monitorer système avec Telegraf, InfluxDB et Grafana</h2>
<p><a href="https://computingforgeeks.com/monitor-linux-system-with-grafana-and-telegraf/">Monitor Linux System with Grafana and Telegraf</a><br />
<em>Comment surveiller un système Linux avec Grafana et Telegraf. Les métriques Telegraf seront stockées sur InfluxDB, puis nous pourrons les visualiser sur Grafana à laide dun tableau de bord système.</em></p>
<h3 id="influxdb-1">InfluxDB</h3>
<p>Nous allons créer une base de données pour pouvoir pousser les données remontées par Telegraf :</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>influx -execute "CREATE DATABASE influx_db"
</code></pre></div></div>
<p>Créons lutilisateur <strong>influx_user</strong> :</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code> curl -XPOST "http://localhost:8086/query" --data-urlencode "q=CREATE USER influx_user WITH PASSWORD 'strongpassword' WITH ALL PRIVILEGES"
</code></pre></div></div>
<h3 id="telegraf-1">Telegraf</h3>
<p>Telegraf fonctionne sous forme de plugin à activer pour récupérer les métriques. Lécosystème de plugins est riche : il y a des plugins pour monitorer nginx, cassandra, haproxy, postgresql… <br />
Une configuration de base de telegraf avec une sortie InfluxDB et des entrées de base pour collecter les mesures du système peut ressembler à ce qui suit :</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>sudo mv /etc/telegraf/telegraf.conf /etc/telegraf/telegraf.conf.sav # sauvegarde
sudo nano /etc/telegraf/telegraf.conf
</code></pre></div></div>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>[global_tags]
# Configuration for telegraf agent
[agent]
interval = "10s"
debug = false
hostname = "server-hostname"
round_interval = true
flush_interval = "10s"
flush_jitter = "0s"
collection_jitter = "0s"
metric_batch_size = 1000
metric_buffer_limit = 10000
quiet = false
logfile = ""
omit_hostname = false
###############################################################################
# OUTPUTS #
###############################################################################
[[outputs.influxdb]]
urls = ["http://influxdb-ip:8086"]
database = "database-name"
timeout = "0s"
username = "auth-username"
password = "auth-password"
retention_policy = ""
###############################################################################
# INPUTS #
###############################################################################
[[inputs.cpu]]
percpu = true
totalcpu = true
collect_cpu_time = false
report_active = false
[[inputs.disk]]
ignore_fs = ["tmpfs", "devtmpfs", "devfs"]
[[inputs.io]]
[[inputs.mem]]
[[inputs.net]]
[[inputs.system]]
[[inputs.swap]]
[[inputs.netstat]]
[[inputs.processes]]
[[inputs.kernel]]
</code></pre></div></div>
<blockquote>
<p>Pour une liste complète des entrées supportées par Telegraf, visitez la <a href="https://github.com/influxdata/telegraf/tree/master/plugins/inputs">page Github des entrées de Telegraf</a>.<br />
La configuration des plugins est documenté exhaustivement dans le fichier de configuration de base : /etc/telegraf/telegraf.conf</p>
</blockquote>
<p>Remplacez :</p>
<ul>
<li><strong>server-hostname</strong> par votre nom dhôte valide.</li>
<li><strong>http://influxdb-ip:8086</strong> avec votre URL, adresse IP et port InfluxDB valides.</li>
<li>**database-name **avec le nom de la base de données InfluxDB pour cet hôte.</li>
<li><strong>auth-username</strong> avec le nom dutilisateur pour lauthentification http dInfluxDB.</li>
<li><strong>auth-password</strong> avec le mot de passe dauthentification http dInfluxDB.</li>
</ul>
<p>Pour finir, redémarrons le service pour prendre en compte la configuration :</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>sudo systemctl restart telegraf
</code></pre></div></div>
<h3 id="grafana-1">Grafana</h3>
<p>Avant de pouvoir ajouter un tableau de bord à Grafana pour les mesures du système Telegraf, vous devez dabord importer la source de données. Connectez-vous à votre Grafana <br />
<strong>Configuration</strong> (roue dentelée) → <strong>Data sources</strong> puis <strong>Add Datasource</strong><br />
<img src="/images/grafana010.png" alt="Grafana" /><br />
<img src="/images/grafana011.png" alt="Grafana" /></p>
<p>Name : cs-influxdb<br />
URL : http://localhost:8086<br />
<img src="/images/grafana012.png" alt="Grafana" /></p>
<p>Sous Détails InfluxDB, fournissez :</p>
<p>Database : influx_db # le nom de la base de données tel quil est défini dans le fichier de configuration de telegraf<br />
User : influx_user<br />
Password : influx_password<br />
<img src="/images/grafana013.png" alt="Grafana" /></p>
<p>Save &amp; test → Data source is working<br />
<img src="/images/grafana014.png" alt="Grafana" /></p>
<p><strong>Importation du tableau de bord Grafana</strong></p>
<p>Une fois la source de données ajoutée, la prochaine chose à faire est dimporter le tableau de bord. Jai personnalisé un des tableaux de bord initialement créé par un utilisateur de la communauté et je lai téléchargé.</p>
<p>Téléchargez le tableau de bord depuis <a href="https://grafana.com/dashboards/5955">https://grafana.com/dashboards/5955</a>, il est au format JSON. Ensuite, allez dans Grafana et dans le menu survolez le + (Create) puis sélectionnez “Import”.<br />
Sélectionnez Upload .json et téléchargez le fichier téléchargé. Vous pouvez également utiliser lURL ou lID du tableau de bord Grafana - 5955.<br />
<img src="/images/grafana015.png" alt="Grafana" /><br />
Dans la section Options, donnez-lui un nom unique et sélectionnez la source de données ajoutée précédemment dans le menu déroulant, puis cliquez sur le bouton dimportation.</p>
<p>Vous devriez voir les métriques être visualisées immédiatement.<br />
<img src="/images/grafana016.png" alt="Grafana" /></p>
</div>
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hide: hide,
$el: $root
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// search panel
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<div class="main">
<div class="search__header">Recherche</div>
<div class="search-bar">
<div class="search-box js-search-box">
<div class="search-box__icon-search"><i class="fas fa-search"></i></div>
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<a><i class="fas fa-times"></i></a>
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Annuler</button>
</div>
<div id="results-container" class="search-result js-search-result"></div>
</div>
</div>
<!-- Script pointing to search-script.js -->
<script>/*!
* Simple-Jekyll-Search
* Copyright 2015-2020, Christian Fei
* Licensed under the MIT License.
*/
(function(){
'use strict'
var _$Templater_7 = {
compile: compile,
setOptions: setOptions
}
const options = {}
options.pattern = /\{(.*?)\}/g
options.template = ''
options.middleware = function () {}
function setOptions (_options) {
options.pattern = _options.pattern || options.pattern
options.template = _options.template || options.template
if (typeof _options.middleware === 'function') {
options.middleware = _options.middleware
}
}
function compile (data) {
return options.template.replace(options.pattern, function (match, prop) {
const value = options.middleware(prop, data[prop], options.template)
if (typeof value !== 'undefined') {
return value
}
return data[prop] || match
})
}
'use strict';
function fuzzysearch (needle, haystack) {
var tlen = haystack.length;
var qlen = needle.length;
if (qlen > tlen) {
return false;
}
if (qlen === tlen) {
return needle === haystack;
}
outer: for (var i = 0, j = 0; i < qlen; i++) {
var nch = needle.charCodeAt(i);
while (j < tlen) {
if (haystack.charCodeAt(j++) === nch) {
continue outer;
}
}
return false;
}
return true;
}
var _$fuzzysearch_1 = fuzzysearch;
'use strict'
/* removed: const _$fuzzysearch_1 = require('fuzzysearch') */;
var _$FuzzySearchStrategy_5 = new FuzzySearchStrategy()
function FuzzySearchStrategy () {
this.matches = function (string, crit) {
return _$fuzzysearch_1(crit.toLowerCase(), string.toLowerCase())
}
}
'use strict'
var _$LiteralSearchStrategy_6 = new LiteralSearchStrategy()
function LiteralSearchStrategy () {
this.matches = function (str, crit) {
if (!str) return false
str = str.trim().toLowerCase()
crit = crit.trim().toLowerCase()
return crit.split(' ').filter(function (word) {
return str.indexOf(word) >= 0
}).length === crit.split(' ').length
}
}
'use strict'
var _$Repository_4 = {
put: put,
clear: clear,
search: search,
setOptions: __setOptions_4
}
/* removed: const _$FuzzySearchStrategy_5 = require('./SearchStrategies/FuzzySearchStrategy') */;
/* removed: const _$LiteralSearchStrategy_6 = require('./SearchStrategies/LiteralSearchStrategy') */;
function NoSort () {
return 0
}
const data = []
let opt = {}
opt.fuzzy = false
opt.limit = 10
opt.searchStrategy = opt.fuzzy ? _$FuzzySearchStrategy_5 : _$LiteralSearchStrategy_6
opt.sort = NoSort
opt.exclude = []
function put (data) {
if (isObject(data)) {
return addObject(data)
}
if (isArray(data)) {
return addArray(data)
}
return undefined
}
function clear () {
data.length = 0
return data
}
function isObject (obj) {
return Boolean(obj) && Object.prototype.toString.call(obj) === '[object Object]'
}
function isArray (obj) {
return Boolean(obj) && Object.prototype.toString.call(obj) === '[object Array]'
}
function addObject (_data) {
data.push(_data)
return data
}
function addArray (_data) {
const added = []
clear()
for (let i = 0, len = _data.length; i < len; i++) {
if (isObject(_data[i])) {
added.push(addObject(_data[i]))
}
}
return added
}
function search (crit) {
if (!crit) {
return []
}
return findMatches(data, crit, opt.searchStrategy, opt).sort(opt.sort)
}
function __setOptions_4 (_opt) {
opt = _opt || {}
opt.fuzzy = _opt.fuzzy || false
opt.limit = _opt.limit || 10
opt.searchStrategy = _opt.fuzzy ? _$FuzzySearchStrategy_5 : _$LiteralSearchStrategy_6
opt.sort = _opt.sort || NoSort
opt.exclude = _opt.exclude || []
}
function findMatches (data, crit, strategy, opt) {
const matches = []
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const match = findMatchesInObject(data[i], crit, strategy, opt)
if (match) {
matches.push(match)
}
}
return matches
}
function findMatchesInObject (obj, crit, strategy, opt) {
for (const key in obj) {
if (!isExcluded(obj[key], opt.exclude) && strategy.matches(obj[key], crit)) {
return obj
}
}
}
function isExcluded (term, excludedTerms) {
for (let i = 0, len = excludedTerms.length; i < len; i++) {
const excludedTerm = excludedTerms[i]
if (new RegExp(excludedTerm).test(term)) {
return true
}
}
return false
}
/* globals ActiveXObject:false */
'use strict'
var _$JSONLoader_2 = {
load: load
}
function load (location, callback) {
const xhr = getXHR()
xhr.open('GET', location, true)
xhr.onreadystatechange = createStateChangeListener(xhr, callback)
xhr.send()
}
function createStateChangeListener (xhr, callback) {
return function () {
if (xhr.readyState === 4 && xhr.status === 200) {
try {
callback(null, JSON.parse(xhr.responseText))
} catch (err) {
callback(err, null)
}
}
}
}
function getXHR () {
return window.XMLHttpRequest ? new window.XMLHttpRequest() : new ActiveXObject('Microsoft.XMLHTTP')
}
'use strict'
var _$OptionsValidator_3 = function OptionsValidator (params) {
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throw new Error('-- OptionsValidator: required options missing')
}
if (!(this instanceof OptionsValidator)) {
return new OptionsValidator(params)
}
const requiredOptions = params.required
this.getRequiredOptions = function () {
return requiredOptions
}
this.validate = function (parameters) {
const errors = []
requiredOptions.forEach(function (requiredOptionName) {
if (typeof parameters[requiredOptionName] === 'undefined') {
errors.push(requiredOptionName)
}
})
return errors
}
function validateParams (params) {
if (!params) {
return false
}
return typeof params.required !== 'undefined' && params.required instanceof Array
}
}
'use strict'
var _$utils_9 = {
merge: merge,
isJSON: isJSON
}
function merge (defaultParams, mergeParams) {
const mergedOptions = {}
for (const option in defaultParams) {
mergedOptions[option] = defaultParams[option]
if (typeof mergeParams[option] !== 'undefined') {
mergedOptions[option] = mergeParams[option]
}
}
return mergedOptions
}
function isJSON (json) {
try {
if (json instanceof Object && JSON.parse(JSON.stringify(json))) {
return true
}
return false
} catch (err) {
return false
}
}
var _$src_8 = {};
(function (window) {
'use strict'
let options = {
searchInput: null,
resultsContainer: null,
json: [],
success: Function.prototype,
searchResultTemplate: '<li><a href="{url}" title="{desc}">{title}</a></li>',
templateMiddleware: Function.prototype,
sortMiddleware: function () {
return 0
},
noResultsText: 'No results found',
limit: 10,
fuzzy: false,
debounceTime: null,
exclude: []
}
let debounceTimerHandle
const debounce = function (func, delayMillis) {
if (delayMillis) {
clearTimeout(debounceTimerHandle)
debounceTimerHandle = setTimeout(func, delayMillis)
} else {
func.call()
}
}
const requiredOptions = ['searchInput', 'resultsContainer', 'json']
/* removed: const _$Templater_7 = require('./Templater') */;
/* removed: const _$Repository_4 = require('./Repository') */;
/* removed: const _$JSONLoader_2 = require('./JSONLoader') */;
const optionsValidator = _$OptionsValidator_3({
required: requiredOptions
})
/* removed: const _$utils_9 = require('./utils') */;
window.SimpleJekyllSearch = function (_options) {
const errors = optionsValidator.validate(_options)
if (errors.length > 0) {
throwError('You must specify the following required options: ' + requiredOptions)
}
options = _$utils_9.merge(options, _options)
_$Templater_7.setOptions({
template: options.searchResultTemplate,
middleware: options.templateMiddleware
})
_$Repository_4.setOptions({
fuzzy: options.fuzzy,
limit: options.limit,
sort: options.sortMiddleware,
exclude: options.exclude
})
if (_$utils_9.isJSON(options.json)) {
initWithJSON(options.json)
} else {
initWithURL(options.json)
}
const rv = {
search: search
}
typeof options.success === 'function' && options.success.call(rv)
return rv
}
function initWithJSON (json) {
_$Repository_4.put(json)
registerInput()
}
function initWithURL (url) {
_$JSONLoader_2.load(url, function (err, json) {
if (err) {
throwError('failed to get JSON (' + url + ')')
}
initWithJSON(json)
})
}
function emptyResultsContainer () {
options.resultsContainer.innerHTML = ''
}
function appendToResultsContainer (text) {
options.resultsContainer.innerHTML += text
}
function registerInput () {
options.searchInput.addEventListener('input', function (e) {
if (isWhitelistedKey(e.which)) {
emptyResultsContainer()
debounce(function () { search(e.target.value) }, options.debounceTime)
}
})
}
function search (query) {
if (isValidQuery(query)) {
emptyResultsContainer()
render(_$Repository_4.search(query), query)
}
}
function render (results, query) {
const len = results.length
if (len === 0) {
return appendToResultsContainer(options.noResultsText)
}
for (let i = 0; i < len; i++) {
results[i].query = query
appendToResultsContainer(_$Templater_7.compile(results[i]))
}
}
function isValidQuery (query) {
return query && query.length > 0
}
function isWhitelistedKey (key) {
return [13, 16, 20, 37, 38, 39, 40, 91].indexOf(key) === -1
}
function throwError (message) {
throw new Error('SimpleJekyllSearch --- ' + message)
}
})(window)
}());
</script>
<!-- Configuration -->
<script>
SimpleJekyllSearch({
searchInput: document.getElementById('search-input'),
resultsContainer: document.getElementById('results-container'),
noResultsText: '<p>Aucun résultat!</p>',
json: '/search.json',
searchResultTemplate: '<li><a href="{url}">{date}&nbsp;{title}</a>&nbsp;(Création {create})</li>'
})
</script>
</div></div>
<script>(function() {
var SOURCES = window.TEXT_VARIABLES.sources;
window.Lazyload.js(SOURCES.jquery, function() {
function scrollToAnchor(anchor, duration, callback) {
var $root = this;
$root.animate({ scrollTop: $(anchor).position().top }, duration, function() {
window.history.replaceState(null, '', window.location.href.split('#')[0] + anchor);
callback && callback();
});
}
$.fn.scrollToAnchor = scrollToAnchor;
});
})();
(function() {
var SOURCES = window.TEXT_VARIABLES.sources;
window.Lazyload.js(SOURCES.jquery, function() {
function affix(options) {
var $root = this, $window = $(window), $scrollTarget, $scroll,
offsetBottom = 0, scrollTarget = window, scroll = window.document, disabled = false, isOverallScroller = true,
rootTop, rootLeft, rootHeight, scrollBottom, rootBottomTop,
hasInit = false, curState;
function setOptions(options) {
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_options.scrollTarget && (scrollTarget = _options.scrollTarget);
_options.scroll && (scroll = _options.scroll);
_options.disabled !== undefined && (disabled = _options.disabled);
$scrollTarget = $(scrollTarget);
isOverallScroller = window.isOverallScroller($scrollTarget[0]);
$scroll = $(scroll);
}
function preCalc() {
top();
rootHeight = $root.outerHeight();
rootTop = $root.offset().top + (isOverallScroller ? 0 : $scrollTarget.scrollTop());
rootLeft = $root.offset().left;
}
function calc(needPreCalc) {
needPreCalc && preCalc();
scrollBottom = $scroll.outerHeight() - offsetBottom - rootHeight;
rootBottomTop = scrollBottom - rootTop;
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function top() {
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left: 0,
top: 0
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curState = 'top';
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function fixed() {
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left: rootLeft + 'px',
top: 0
});
curState = 'fixed';
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}
function bottom() {
if (curState !== 'bottom') {
$root.removeClass('fixed').css({
left: 0,
top: rootBottomTop + 'px'
});
curState = 'bottom';
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}
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var interval, timeout;
calc(true); setState();
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calc();
}, 100);
timeout = setTimeout(function() {
clearInterval(interval);
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window.pageLoad.then(function() {
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clearInterval(interval);
clearTimeout(timeout);
}, 3000);
});
$scrollTarget.on('scroll', function() {
disabled || setState();
});
$window.on('resize', function() {
disabled || (calc(true), setState());
});
hasInit = true;
}
}
setOptions(options);
if (!disabled) {
init();
}
$window.on('resize', window.throttle(function() {
init();
}, 200));
return {
setOptions: setOptions,
refresh: function() {
calc(true, { animation: false }); setState();
}
};
}
$.fn.affix = affix;
});
})();
(function() {
var SOURCES = window.TEXT_VARIABLES.sources;
window.Lazyload.js(SOURCES.jquery, function() {
function toc(options) {
var $root = this, $window = $(window), $scrollTarget, $scroller, $tocUl = $('<ul class="toc toc--ellipsis"></ul>'), $tocLi, $headings, $activeLast, $activeCur,
selectors = 'h1,h2,h3', container = 'body', scrollTarget = window, scroller = 'html, body', disabled = false,
headingsPos, scrolling = false, hasRendered = false, hasInit = false;
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var _options = options || {};
_options.selectors && (selectors = _options.selectors);
_options.container && (container = _options.container);
_options.scrollTarget && (scrollTarget = _options.scrollTarget);
_options.scroller && (scroller = _options.scroller);
_options.disabled !== undefined && (disabled = _options.disabled);
$headings = $(container).find(selectors).filter('[id]');
$scrollTarget = $(scrollTarget);
$scroller = $(scroller);
}
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headingsPos = [];
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$activeCur = $tocLi.eq(i);
} else {
$activeCur || ($activeCur = $tocLi.eq(i));
break;
}
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$activeLast && $activeLast.removeClass('active');
($activeLast = $activeCur).addClass('active');
}
function render() {
if(!hasRendered) {
$root.append($tocUl);
$headings.each(function() {
var $this = $(this);
$tocUl.append($('<li></li>').addClass('toc-' + $this.prop('tagName').toLowerCase())
.append($('<a></a>').text($this.text()).attr('href', '#' + $this.prop('id'))));
});
$tocLi = $tocUl.children('li');
$tocUl.on('click', 'a', function(e) {
e.preventDefault();
var $this = $(this);
scrolling = true;
setState($this.parent());
$scroller.scrollToAnchor($this.attr('href'), 400, function() {
scrolling = false;
});
});
}
hasRendered = true;
}
function init() {
var interval, timeout;
if(!hasInit) {
render(); calc(); setState(null, scrolling);
// run calc every 100 millisecond
interval = setInterval(function() {
calc();
}, 100);
timeout = setTimeout(function() {
clearInterval(interval);
}, 45000);
window.pageLoad.then(function() {
setTimeout(function() {
clearInterval(interval);
clearTimeout(timeout);
}, 3000);
});
$scrollTarget.on('scroll', function() {
disabled || setState(null, scrolling);
});
$window.on('resize', window.throttle(function() {
if (!disabled) {
render(); calc(); setState(null, scrolling);
}
}, 100));
}
hasInit = true;
}
setOptions(options);
if (!disabled) {
init();
}
$window.on('resize', window.throttle(function() {
init();
}, 200));
return {
setOptions: setOptions
};
}
$.fn.toc = toc;
});
})();
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var SOURCES = window.TEXT_VARIABLES.sources;
var TOC_SELECTOR = window.TEXT_VARIABLES.site.toc.selectors;
window.Lazyload.js(SOURCES.jquery, function() {
var $window = $(window);
var $articleContent = $('.js-article-content');
var $tocRoot = $('.js-toc-root'), $col2 = $('.js-col-aside');
var toc;
var tocDisabled = false;
var hasSidebar = $('.js-page-root').hasClass('layout--page--sidebar');
var hasToc = $articleContent.find(TOC_SELECTOR).length > 0;
function disabled() {
return $col2.css('display') === 'none' || !hasToc;
}
tocDisabled = disabled();
toc = $tocRoot.toc({
selectors: TOC_SELECTOR,
container: $articleContent,
scrollTarget: hasSidebar ? '.js-page-main' : null,
scroller: hasSidebar ? '.js-page-main' : null,
disabled: tocDisabled
});
$window.on('resize', window.throttle(function() {
tocDisabled = disabled();
toc && toc.setOptions({
disabled: tocDisabled
});
}, 100));
});
})();
(function() {
var SOURCES = window.TEXT_VARIABLES.sources;
window.Lazyload.js(SOURCES.jquery, function() {
var $window = $(window), $pageFooter = $('.js-page-footer');
var $pageAside = $('.js-page-aside');
var affix;
var tocDisabled = false;
var hasSidebar = $('.js-page-root').hasClass('layout--page--sidebar');
affix = $pageAside.affix({
offsetBottom: $pageFooter.outerHeight(),
scrollTarget: hasSidebar ? '.js-page-main' : null,
scroller: hasSidebar ? '.js-page-main' : null,
scroll: hasSidebar ? $('.js-page-main').children() : null,
disabled: tocDisabled
});
$window.on('resize', window.throttle(function() {
affix && affix.setOptions({
disabled: tocDisabled
});
}, 100));
window.pageAsideAffix = affix;
});
})();
</script><!---->
</div>
<script>(function () {
var $root = document.getElementsByClassName('root')[0];
if (window.hasEvent('touchstart')) {
$root.dataset.isTouch = true;
document.addEventListener('touchstart', function(){}, false);
}
})();
</script>
</body>
</html>