yannstatic/static/2022/09/03/Qemu_KVM-libvirt-guests-arret-VM-en-douceur.html

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<article itemscope itemtype="http://schema.org/Article"><div class="article__header"><header><h1 style="color:Tomato;">Arrêt en douceur des machines virtuelles lorsque la machine hôte est bloquée, mise hors tension ou redémarrée</h1></header></div><meta itemprop="headline" content="Arrêt en douceur des machines virtuelles lorsque la machine hôte est bloquée, mise hors tension ou redémarrée"><div class="article__info clearfix"><ul class="left-col menu"><li>
2024-11-08 14:10:33 +01:00
<a class="button button--secondary button--pill button--sm" style="color:#00FFFF" href="/archive.html?tag=virtuel">virtuel</a>
2024-10-31 20:18:37 +01:00
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<i class="far fa-calendar-alt"></i>&nbsp;<span title="Création" style="color:#FF00FF">&nbsp;3&nbsp;sept.&nbsp;2022</span>
<span title="Modification" style="color:#00FF7F">&nbsp;4&nbsp;sept.&nbsp;2022</span></li></ul></div><meta itemprop="datePublished" content="2022-09-04T00:00:00+02:00">
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<summary><b>Afficher/cacher Sommaire</b></summary>
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</details><p><em>Le service libvirt-guests possède des paramètres qui peuvent être configurés pour sassurer que linvité est arrêté correctement.</em></p>
<p><strong>libvirt-guests</strong> fait partie de linstallation de libvirt et est installé par défaut. Ce service enregistre automatiquement les invités sur le disque lorsque lhôte séteint, et les restaure dans leur état antérieur à larrêt lorsque lhôte redémarre. Par défaut, ce paramètre est défini pour suspendre linvité. Si vous voulez que linvité soit arrêté, vous devrez modifier lun des paramètres du fichier de configuration libvirt-guests.<br />
<code class="language-plaintext info highlighter-rouge">LE SERVICE libvirt-guests est INACTIF PAR DEFAUT</code></p>
<p>Modifier les paramètres du service <strong>libvirt-guests</strong> pour permettre larrêt gracieux des invités</p>
<p class="info">La procédure décrite ici permet larrêt en douceur des machines virtuelles invitées lorsque la machine physique hôte est bloquée, mise hors tension ou doit être redémarrée.(<a href="https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/6/html/virtualization_administration_guide/sub-sect-shutting_down_rebooting_and_force_shutdown_of_a_guest_virtual_machine-manipulating_the_libvirt_guests_configuration_settings">Manipulating the libvirt-guests Configuration Settings</a>)</p>
<p>Ouvrir ou créer le fichier de configuration <code class="language-plaintext highlighter-rouge">/etc/conf.d/libvirt-guests</code></p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code># URIs to check for running guests
# example: URIS='default xen:/// vbox+tcp://host/system lxc:///'
#URIS=default
# action taken on host boot
# - start all guests which were running on shutdown are started on boot
# regardless on their autostart settings
# - ignore libvirt-guests init script won't start any guest on boot, however,
# guests marked as autostart will still be automatically started by
# libvirtd
ON_BOOT=ignore
# Number of seconds to wait between each guest start. Set to 0 to allow
# parallel startup.
#START_DELAY=0
# action taken on host shutdown
# - suspend all running guests are suspended using virsh managedsave
# - shutdown all running guests are asked to shutdown. Please be careful with
# this settings since there is no way to distinguish between a
# guest which is stuck or ignores shutdown requests and a guest
# which just needs a long time to shutdown. When setting
# ON_SHUTDOWN=shutdown, you must also set SHUTDOWN_TIMEOUT to a
# value suitable for your guests.
ON_SHUTDOWN=shutdown
# If set to non-zero, shutdown will suspend guests concurrently. Number of
# guests on shutdown at any time will not exceed number set in this variable.
#PARALLEL_SHUTDOWN=0
# Number of seconds we're willing to wait for a guest to shut down. If parallel
# shutdown is enabled, this timeout applies as a timeout for shutting down all
# guests on a single URI defined in the variable URIS. If this is 0, then there
# is no time out (use with caution, as guests might not respond to a shutdown
# request). The default value is 300 seconds (5 minutes).
SHUTDOWN_TIMEOUT=240
# If non-zero, try to bypass the file system cache when saving and
# restoring guests, even though this may give slower operation for
# some file systems.
#BYPASS_CACHE=0
</code></pre></div></div>
<p><strong>libvirt-guests.service</strong></p>
<ul>
<li>Configuré afin quil arrête les machines virtuelles invitées lorsque lhôte sarrête.</li>
<li>défini le délai dexpiration sur moins de 5 minutes</li>
</ul>
<p><strong>Définition des options</strong></p>
<ul>
<li><strong>URIS</strong> - vérifie les connexions spécifiées pour un invité en cours dexécution. Le <strong>paramètre par défaut</strong> fonctionne de la même manière que virsh lorsquaucun URI explicite nest défini. En outre, on peut définir explicitement lURI à partir de /etc/libvirt/libvirt.conf. Il convient de noter que lors de lutilisation du paramètre par défaut du fichier de configuration libvirt, aucun sondage ne sera utilisé.</li>
<li><strong>ON_BOOT</strong> - spécifie laction à effectuer sur les invités lorsque lhôte démarre. Loption <strong>start</strong> démarre tous les invités qui étaient en cours dexécution avant larrêt, quels que soient leurs paramètres de démarrage automatique. Loption ignore ne démarrera pas linvité en cours dexécution au démarrage, cependant, tout invité marqué comme démarrant automatiquement sera toujours démarré automatiquement par libvirtd.</li>
<li>Loption <strong>START_DELAY</strong> - définit un intervalle de temps entre le démarrage des invités. Cette période de temps est définie en secondes. Utilisez le paramètre 0 pour vous assurer quil ny a pas de délai et que tous les invités sont démarrés simultanément.</li>
<li><strong>ON_SHUTDOWN</strong> - spécifie laction prise lorsquun hôte sarrête. Les options qui peuvent être définies comprennent : <strong>suspend</strong> qui suspend tous les invités en cours dexécution en utilisant <strong>virsh managedsave</strong> et <strong>shutdown</strong> qui arrête tous les invités en cours dexécution. Il est préférable dêtre prudent avec lutilisation de loption shutdown car il ny a aucun moyen de distinguer entre un invité qui est bloqué ou qui ignore les demandes darrêt et un invité qui a juste besoin dun temps plus long pour sarrêter. Lorsque vous définissez loption <strong>ON_SHUTDOWN=shutdown</strong>, vous devez également définir <strong>SHUTDOWN_TIMEOUT</strong> à une valeur appropriée pour les invités.</li>
<li><strong>PARALLEL_SHUTDOWN</strong> Indique que le nombre dinvités à larrêt à tout moment ne dépassera pas le nombre défini dans cette variable et que les invités seront suspendus simultanément. Si la valeur est 0, les clients ne sont pas arrêtés simultanément.</li>
<li>Nombre de secondes à attendre pour quun invité sarrête. Si <strong>SHUTDOWN_TIMEOUT</strong> est activé, ce délai sapplique comme un délai darrêt de tous les invités sur un seul URI défini dans la variable URIS. Si <strong>SHUTDOWN_TIMEOUT</strong> a la valeur <strong>0</strong>, il ny a pas de délai dattente (à utiliser avec prudence, car les invités peuvent ne pas répondre à une demande darrêt). La valeur par défaut est de 300 secondes (5 minutes).</li>
<li><strong>BYPASS_CACHE</strong> peut avoir 2 valeurs, 0 pour désactiver et 1 pour activer. Si cette option est activée, le cache du système de fichiers sera contourné lors de la restauration des invités. Notez que ce paramètre peut avoir un effet sur les performances et peut entraîner un fonctionnement plus lent pour certains systèmes de fichiers.</li>
</ul>
<p>Activer et démarrer le service <strong>libvirt-guests</strong></p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>sudo systemctl enable libvirt-guests
sudo systemctl start libvirt-guests
</code></pre></div></div>
<p>Etat</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>sudo systemctl status libvirt-guests
</code></pre></div></div>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code> Loaded: loaded (/usr/lib/systemd/system/libvirt-guests.service; enabled; preset: disabled)
Active: active (exited) since Sat 2022-09-03 09:18:26 CEST; 1min 19s ago
Docs: man:libvirt-guests(8)
https://libvirt.org
Main PID: 6497 (code=exited, status=0/SUCCESS)
CPU: 9ms
sept. 03 09:18:26 archyan systemd[1]: Starting Suspend/Resume Running libvirt Guests...
sept. 03 09:18:26 archyan systemd[1]: Finished Suspend/Resume Running libvirt Guests.
</code></pre></div></div>
<p><code class="language-plaintext warning highlighter-rouge">Ne redémarrez pas le service car cela entraînerait l'arrêt de tous les domaines en cours d'exécution.</code></p>
<p class="info">Service qui permet dexécuter des commandes avant larrêt complet de la machine hôte , voir le lien suivant pour un exemple de script</p>
<p>Comment configurer un serveur hôte afin que, lorsquil est arrêté (<a href="https://www.brianlinkletter.com/2019/09/run-a-script-on-virtual-machines-when-the-host-is-shut-down/">Run a script on virtual machines when the host is shut down</a>):</p>
<ul>
<li>il exécute un script qui exécute des commandes sur toutes les machines virtuelles en cours dexécution avant que lhôte nessaie de les arrêter.</li>
<li>il attend que le script termine la configuration des machines virtuelles avant de poursuivre le processus darrêt, darrêter les machines virtuelles et éventuellement de les éteindre.</li>
</ul>
<p>Le service libvirt-guests est déjà démarré et activé, et il est configuré de manière appropriée (<code class="language-plaintext highlighter-rouge">ON_SHUTDOWN=shutdown</code>).</p>
<p>Créer un nouveau service Systemd nommé <strong>graceful-shutdown</strong> qui exécute un script <strong>stopvm.sh</strong> lorsque le système hôte sarrête, mais avant que <em>Libvirt</em> narrête les machines virtuelles.</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>sudo nano /etc/systemd/system/graceful-shutdown.service
</code></pre></div></div>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>[Unit]
Description=Graceful Shutdown Service
DefaultDependencies=no
Requires=libvirt-guests.service
After=libvirt-guests.service
[Service]
Type=oneshot
RemainAfterExit=true
ExecStop=/usr/local/bin/stopvm.sh
[Install]
WantedBy=multi-user.target
</code></pre></div></div>
<p>Le service “Graceful Shutdown” obligera Systemd à exécuter un script shell Linux, <code class="language-plaintext highlighter-rouge">/usr/local/bin/stopvm.sh</code> avant que Systemd narrête le service <em>libvirt-guests</em>.<br />
Le type de service est <strong>oneshot</strong> , Systemd attendra que le script se termine avant de poursuivre son processus darrêt standard.</p>
<p class="warning">Le service “Graceful Shutdown” sappuie sur le service <em>libvirt-guests</em><br />
Si le service <em>libvirt-guests</em> nest pas en cours dexécution, le service “Graceful Shutdown” ne lancera pas le script <em>stopvm.sh</em> et Libvirt éteindra les machines virtuelles, ce qui peut entraîner une corruption des processus ou des bases de données sexécutant sur ces machines virtuelles.</p>
<p>Exemple de script “stopvm.sh” pour arrêter une VM</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>sudo nano /usr/local/bin/stopvm.sh
</code></pre></div></div>
<div class="language-bash highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="c">#!/bin/bash</span>
<span class="c"># Shut down the VM</span>
virsh shutdown yunobulls
<span class="nb">exit </span>0
</code></pre></div></div>
<p>Le rendre exécutable</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>sudo chmod +x /usr/local/bin/stopvm.sh
</code></pre></div></div>
<p>Activer et démarrer le service “Graceful Shutdown”</p>
<div class="language-bash highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="nb">sudo </span>systemctl <span class="nb">enable </span>graceful-shutdown
<span class="nb">sudo </span>systemctl start graceful-shutdown
</code></pre></div></div>
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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 = []
for (let i = 0; i < data.length && matches.length < opt.limit; i++) {
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) {
if (!validateParams(params)) {
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) {
var _options = options || {};
_options.offsetBottom && (offsetBottom = _options.offsetBottom);
_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;
}
function top() {
if (curState !== 'top') {
$root.removeClass('fixed').css({
left: 0,
top: 0
});
curState = 'top';
}
}
function fixed() {
if (curState !== 'fixed') {
$root.addClass('fixed').css({
left: rootLeft + 'px',
top: 0
});
curState = 'fixed';
}
}
function bottom() {
if (curState !== 'bottom') {
$root.removeClass('fixed').css({
left: 0,
top: rootBottomTop + 'px'
});
curState = 'bottom';
}
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var scrollTop = $scrollTarget.scrollTop();
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fixed();
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top();
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var interval, timeout;
calc(true); setState();
// 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();
});
$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();
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};
}
$.fn.affix = affix;
});
})();
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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;
function setOptions(options) {
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);
}
function calc() {
headingsPos = [];
$headings.each(function() {
headingsPos.push(Math.floor($(this).position().top));
});
}
function setState(element, disabled) {
var scrollTop = $scrollTarget.scrollTop(), i;
if (disabled || !headingsPos || headingsPos.length < 1) { return; }
if (element) {
$activeCur = element;
} else {
for (i = 0; i < headingsPos.length; i++) {
if (scrollTop >= headingsPos[i]) {
$activeCur = $tocLi.eq(i);
} else {
$activeCur || ($activeCur = $tocLi.eq(i));
break;
}
}
}
$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;
});
})();
/*(function () {
})();*/
</script><script>
/* toc must before affix, since affix need to konw toc' height. */(function() {
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];
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