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<article itemscope itemtype="http://schema.org/Article"><div class="article__header"><header><h1 style="color:Tomato;">Machine virtuelle Alpine Linux (alpine-vm01)</h1></header></div>
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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> <span title="Création" style="color:#FF00FF">17 août  2024</span>
<span title="Modification" style="color:#00FF7F">19 sept. 2024</span>
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<details>
<summary><b>Afficher/cacher Sommaire</b></summary>
<!-- affichage sommaire -->
<div class="toc-aside js-toc-root"></div>
</details><p><em>Alpine Linux est une distribution Linux ultra-légère.
Création dune machine virtuelle alpine-vm01 IP 192.168.0.222</em></p>
<p><img src="/images/alpine-linux-logo.png" alt="" width="300"></p>
<h2 id="alpine-linux">Alpine Linux</h2>
<p><em>Création machine virtuelle Alpine de type KVM avec 2 Go de RAM, 1 cœur de processeur et 5 Go de disque dur.</em></p>
<ul>
<li><a href="/2023/12/17/Installer_KVM_Kernel_Virtual_Machine_sur_un_serveur.html#cr%C3%A9ation-machines-virtuelles-kvm-avec-la-commande-virsh">Création machines virtuelles KVM avec la commande virsh</a></li>
<li><a href="/2023/12/17/Installer_KVM_Kernel_Virtual_Machine_sur_un_serveur.html#acc%C3%A9der-aux-machines-virtuelles-kvm-via-le-client-vnc">Accéder aux machines virtuelles KVM via le client VNC</a></li>
<li><a href="https://wiki.alpinelinux.org/wiki/">Wiki Alpine Linux</a></li>
<li><a href="https://pkgs.alpinelinux.org/packages">https://pkgs.alpinelinux.org/packages</a></li>
</ul>
<h3 id="créer-vm-alpine-sur-un-serveur">Créer vm-alpine sur un serveur</h3>
<p><a href="https://alpinelinux.org/downloads/">Les dernières images Alpine Linux</a></p>
<p>Création dune image virtuelle <strong>alpine-vm01</strong> sous le serveur Lenovo rnmkcy.eu<br>
On se connecte sur le serveur Lenovo en SSH, puis on exécute la commande suivante pour créer une machine virtuelle Alpine avec 2 Go de RAM, 1 cœur de processeur et 5 Go de disque dur</p>
<div class="language-shell highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="nb">sudo </span>virt-install <span class="se">\</span>
<span class="nt">--osinfo</span> alpinelinux3.17 <span class="se">\</span>
<span class="nt">--name</span> alpine-vm01 <span class="se">\</span>
<span class="nt">--memory</span> 2048 <span class="se">\</span>
<span class="nt">--vcpus</span> 1 <span class="se">\</span>
<span class="nt">--cpu</span> host <span class="se">\</span>
<span class="nt">--hvm</span> <span class="se">\</span>
<span class="nt">--disk</span> <span class="nv">path</span><span class="o">=</span>/srv/kvm/libvirt/images/alpine-vm01.qcow2,format<span class="o">=</span>qcow2,size<span class="o">=</span>5 <span class="se">\</span>
<span class="nt">--cdrom</span> /srv/kvm/libvirt/boot/alpine-standard-3.20.2-x86_64.iso <span class="se">\</span>
<span class="nt">--network</span> <span class="nv">bridge</span><span class="o">=</span>br0 <span class="se">\</span>
<span class="nt">--graphics</span> vnc
</code></pre></div></div>
<p>Note: La dernière version Alpine Linux est alpinelinux3.20 au 10/07/2024 mais KVM ne connait que alpinelinux3.17 (<code class="language-plaintext highlighter-rouge">sudo virt-install --osinfo list |grep alpine</code>)</p>
<p>Après exécution dans un terminal de la commande ci dessus, on arrive sur lécran suivant<br>
<img src="/images/alpine-linux01.png" alt=""></p>
<h3 id="configurer-vm-alpine">Configurer vm-alpine</h3>
<p><code class="language-plaintext warning highlighter-rouge">ATTENTION: Désactiver "Affichage VNC" des autres machines</code></p>
<p>Le serveur Lenovo na pas daffichage, il faut créer un tunnel ssh depuis un terminal dun poste client</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>ssh -L 5900:127.0.0.1:5900 leno@192.168.0.215 -p 55215 -i /home/yann/.ssh/lenovo-ed25519
</code></pre></div></div>
<p>Puis lancer de ce même poste un client VNC<br>
<img src="/images/alpine-linux02.png" alt="" width="300"><br>
la console saffiche <br>
<img src="/images/alpine-linux03.png" alt=""></p>
<p>Une fois limage ISO lancée, on arrive à un invite de connexion. <br>
Indiquez <code class="language-plaintext highlighter-rouge">root</code> comme nom dutilisateur, aucun mot de passe ne vous sera demandé à cette étape.</p>
<p>Le système est utilisable, mais on veut linstaller, ce qui passe par la commande suivante (clavier qwerty)</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>setup-alpine # saisir setup)qlpine
</code></pre></div></div>
<p>Une suite de questions :<br>
<img src="/images/alpine-linux04.png" alt=""><br>
mot de passe root (toorrtyuiop)<br>
<img src="/images/alpine-linux05.png" alt=""><br>
APK mirror…<br>
<img src="/images/alpine-linux05a.png" alt=""></p>
<p>Utilisateur aluser49600 et suite… <br>
<img src="/images/alpine-linux06.png" alt=""></p>
<p>Relever ladresse ip allouée : <code class="language-plaintext highlighter-rouge">ip a</code> &gt; 192.168.0.31<br>
Puis redémarrer : <code class="language-plaintext highlighter-rouge">reboot</code><br>
La fenêtre vnc se ferme</p>
<p>On na plus besoin de VNC, en mode graphique <br>
<img src="/images/alpine-linux06a.png" alt="" width="400"><br>
<img src="/images/alpine-linux06b.png" alt="" width="400"><br>
<img src="/images/alpine-linux06c.png" alt="" width="400"><br>
Eteindre puis redémarrer la machine virtuelle</p>
<h3 id="explications-sur-la-procédure">Explications sur la procédure</h3>
<p><em>Normalement, vous navez rien à faire, les paramètres par défaut doivent convenir. Mais si vous le désirez, vous pouvez les modifier pour utiliser une interface particulière, une IP fixe, un serveur proxy, etc.<br>
Une soixantaine de serveurs mirroir vous seront proposés pour télécharger les paquets. Choisissez un numéro dans la liste ou demandez au système de les tester et de sélectionner le plus rapide. Vous pouvez aussi modifier le fichier des sources. Il vous faudra ensuite choisir votre serveur SSH : OpenSSH, Dropbear ou aucun.</em></p>
<p>On termine par la méthode dinstallation. Il en existe quatre :</p>
<ul>
<li>none : le système et ses données sont placés en RAM et seront perdus après le redémarrage</li>
<li>sys : le système et ses données sont placés sur un HDD/SSD</li>
<li>data : le système est placé en RAM, les données sur un HDD/SSD</li>
<li>lvm : utilisation de Logical Volume Manager, les deux choix précédents seront proposés (lvmsys, lvmdata)</li>
</ul>
<p>Si vous stockez le système en mémoire, il faudra trouver un moyen de sauvegarder la configuration. Vous pourrez le faire uniquement depuis un lecteur de disquettes (!) ou une clé USB. Une fois le système installé, vous pourrez lutiliser directement sil est placé en mémoire ou redémarrer si vous avez opté pour un stockage classique.</p>
<p>Il nest pas conseillé dutiliser directement le compte root pour les actions du quotidien.<br>
Si utilisateur non créé dans la procédure dinstallation, le créer avec son propre espace dans /home/</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>adduser aluser
</code></pre></div></div>
<p>Vous pouvez utiliser lutilisateur pour vous connecter via SSH (impossible avec le compte root)</p>
<h3 id="connexion-vm-alpine-via-ssh">Connexion vm-alpine via SSH</h3>
<p>Sur un poste linux du réseau</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>ssh aluser@192.168.0.31
</code></pre></div></div>
<p>Une fois connecté ,vous pouvez accéder au “root” de manière classique avec la commande :</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>su -
</code></pre></div></div>
<p>Mise à jour</p>
<div class="language-shell highlighter-rouge"><div class="highlight"><pre class="highlight"><code>apk update
apk upgrade
<span class="c"># Vous pouvez fusionner les deux lignes avec </span>
apk <span class="nt">-U</span> upgrade
</code></pre></div></div>
<p>Editeur nano (Vous pouvez aussi opter pour vi qui est nativement présent sur le système)</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>apk add nano
</code></pre></div></div>
<h3 id="réseau---ip-statique">Réseau - IP statique</h3>
<p><a href="https://www.cyberciti.biz/faq/how-to-configure-static-ip-address-on-alpine-linux/">How to configure static IP address on Alpine Linux</a></p>
<p>Le fichier de configuration <code class="language-plaintext highlighter-rouge">/etc/network/interfaces</code></p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>/etc/network/interfaces
</code></pre></div></div>
<div class="language-shell highlighter-rouge"><div class="highlight"><pre class="highlight"><code>auto lo
iface lo inet loopback
auto eth0
iface eth0 inet static
address 192.168.0.222/24
gateway 192.168.0.254
<span class="nb">hostname </span>linux-alpine
</code></pre></div></div>
<p>Fichier de résolution dns</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>/etc/resolv.conf
</code></pre></div></div>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>nameserver 1.1.1.1
nameserver 9.9.9.9
</code></pre></div></div>
<p>Les modifications apportées à /etc/network/interfaces peuvent être activées en exécutant</p>
<div class="language-shell highlighter-rouge"><div class="highlight"><pre class="highlight"><code>service networking restart
</code></pre></div></div>
<p><code class="language-plaintext warning highlighter-rouge">ATTENTION: Déconnexion SSH car changement adresse IP</code></p>
<p>Connexion SSH avec IP 192.168.0.222</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>ssh aluser@192.168.0.222
</code></pre></div></div>
<p>Message à la connexion SSH, <code class="language-plaintext highlighter-rouge">/etc/motd</code></p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code> _ ____ __ __ __ _ _ _
| |/ /\ \ / /| \/ | /_\ | | _ __ (_) _ _ ___
| ' &lt; \ V / | |\/| | / _ \ | || '_ \| || ' \ / -_)
|_|\_\ \_/ |_| |_| /_/ \_\|_|| .__/|_||_||_|\___|
_ _ |_| __ _
__ _ | | _ __ (_) _ _ ___ ___ __ __ _ __ / \ / |
/ _` || || '_ \| || ' \ / -_)|___|\ V /| ' \| () || |
\__,_||_|| .__/|_||_||_|\___| \_/ |_|_|_|\__/ |_|
|_|
_ ___ ___ _ __ ___ __ ___ ___ ___
/ |/ _ \|_ ) / | / / ( _ ) / \ |_ )|_ )|_ )
| |\_, / / / _ | |/ _ \/ _ \ _| () |_ / / / / / /
|_| /_/ /___|(_)|_|\___/\___/(_)\__/(_)/___|/___|/___|
</code></pre></div></div>
<h3 id="partage-virtiofs">Partage (virtiofs)</h3>
<p><em>Virtiofs est un système de fichiers partagé qui permet aux machines virtuelles daccéder à une arborescence de répertoires sur lhôte. Contrairement aux approches existantes, il est conçu pour offrir la sémantique et les performances dun système de fichiers local.</em></p>
<p><code class="language-plaintext warning highlighter-rouge">Un arrêt puis un démarrage de la machine virtuelle est obligatoire</code></p>
<p>Il faut valider <strong>Enable shared memory</strong><br>
<img src="/images/virtiofs01.png" alt="" width="500"><br>
Puis ajouter un <strong>système de fichier</strong><br>
<img src="/images/virtiofs02.png" alt="" width="500"></p>
<p>Vue des éléments XML de domaine suivants pour partager le répertoire hôte /path avec linvité</p>
<div class="language-xml highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="nt">&lt;domaine&gt;</span>
...
<span class="nt">&lt;memoryBacking&gt;</span>
<span class="nt">&lt;source</span> <span class="na">type=</span><span class="s">"memfd"</span><span class="nt">/&gt;</span>
<span class="nt">&lt;access</span> <span class="na">mode=</span><span class="s">"shared"</span><span class="nt">/&gt;</span>
<span class="nt">&lt;/memoryBacking&gt;</span>
...
<span class="nt">&lt;devices&gt;</span>
...
<span class="nt">&lt;filesystem</span> <span class="na">type=</span><span class="s">"mount"</span> <span class="na">accessmode=</span><span class="s">"passthrough"</span><span class="nt">&gt;</span>
<span class="nt">&lt;driver</span> <span class="na">type=</span><span class="s">"virtiofs"</span><span class="nt">/&gt;</span>
<span class="nt">&lt;source</span> <span class="na">dir=</span><span class="s">"/srv/media/statique"</span><span class="nt">/&gt;</span>
<span class="nt">&lt;target</span> <span class="na">dir=</span><span class="s">"statique"</span><span class="nt">/&gt;</span>
<span class="nt">&lt;/filesystem&gt;</span>
<span class="nt">&lt;filesystem</span> <span class="na">type=</span><span class="s">"mount"</span> <span class="na">accessmode=</span><span class="s">"passthrough"</span><span class="nt">&gt;</span>
<span class="nt">&lt;driver</span> <span class="na">type=</span><span class="s">"virtiofs"</span><span class="nt">/&gt;</span>
<span class="nt">&lt;source</span> <span class="na">dir=</span><span class="s">"/mnt/sharenfs"</span><span class="nt">/&gt;</span>
<span class="nt">&lt;target</span> <span class="na">dir=</span><span class="s">"sharenfs"</span><span class="nt">/&gt;</span>
<span class="nt">&lt;/filesystem&gt;</span>
...
<span class="nt">&lt;/devices&gt;</span>
<span class="nt">&lt;/domaine&gt;</span>
</code></pre></div></div>
<p>Créer dossier local en mode utilisateur</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>mkdir -p ~/{sharenfs,statique}
</code></pre></div></div>
<p>Le partage sur <code class="language-plaintext highlighter-rouge">/etc/fstab</code> en mode su</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>statique /home/aluser/statique virtiofs rw 0 0
sharenfs /home/aluser/sharenfs virtiofs rw 0 0
</code></pre></div></div>
<p>monter</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>sudo mount -a
</code></pre></div></div>
<h3 id="démarrage-automatique-vm">Démarrage automatique VM</h3>
<p>Démarrage auto<br>
<img src="/images/virtiofs02a.png" alt="" width="500"></p>
<h3 id="ssh-tunnel-proxy">SSH tunnel proxy</h3>
<p>Erreur en cas dutilisation du tunnel SSH<br>
<a href="https://serverfault.com/questions/535412/how-to-solve-the-open-failed-administratively-prohibited-open-failed-when-us">how to solve the “open failed: administratively prohibited: open failed” when using a SSH tunnel proxy</a></p>
<p>Le transfert TCP est désactivé sur le serveur. Dans le fichier <code class="language-plaintext highlighter-rouge">/etc/ssh/sshd_config</code> de votre serveur, assurez-vous que la ligne suivante nest pas présente ou quelle est commentée, sinon mettez-la en commentaire.</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>#AllowTcpForwarding no
</code></pre></div></div>
<p>Relancer le serveur ssh en mode su</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>service sshd restart
</code></pre></div></div>
<h2 id="annexe">Annexe</h2>
<h3 id="bash-sur-alpine-linux">Bash sur Alpine Linux</h3>
<p><a href="https://www.cyberciti.biz/faq/alpine-linux-install-bash-using-apk-command/">How to install bash shell in Alpine Linux</a><br>
Par défaut, <strong>bash</strong> nest pas inclus avec BusyBox et Linux alpine.</p>
<p><strong>Installer un shell bash dans Alpine Linux</strong><br>
Voici comment installer un shell bash dans Alpine Linux en utilisant la commande apk.</p>
<p>Passer en mode root : <code class="language-plaintext highlighter-rouge">su -</code></p>
<div class="language-bash highlighter-rouge"><div class="highlight"><pre class="highlight"><code>apk update
apk upgrade
apk add bash
</code></pre></div></div>
<p>Obtenez une liste des “shell” de connexion valides sur Linux Alpine</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>cat /etc/shells
</code></pre></div></div>
<p>Produit :</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code># valid login shells
/bin/sh
/bin/ash
/bin/bash
</code></pre></div></div>
<p><strong>documentation et auto complétion</strong><br>
Installer la documentation de bash : <code class="language-plaintext highlighter-rouge">apk add bash-doc</code><br>
Installer lauto complétion bash : <code class="language-plaintext highlighter-rouge">apk add bash-completion</code></p>
<p>Vérifiez et appelez /etc/bash/bash_completion.sh</p>
<div class="language-bash highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="nb">source</span> /etc/bash/bash_completion.sh
<span class="nb">cat</span> /etc/bash/bash_completion.sh
</code></pre></div></div>
<p><strong>Comment configurer bash comme shell login</strong></p>
<p>Pour utiliser bash juste saisir : <code class="language-plaintext highlighter-rouge">bash</code><br>
<strong>Changer le root shell en bash</strong><br>
En mode su : <code class="language-plaintext highlighter-rouge">nano /etc/passwd</code><br>
Remplacer <code class="language-plaintext highlighter-rouge">/bin/sh</code> par <code class="language-plaintext highlighter-rouge">/bin/bash</code> pour les utilisateurs root et aluser</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>root:x:0:0:root:/root:/bin/bash
aluser:x:1000:1000:aluser:/home/aluser:/bin/bash
</code></pre></div></div>
<p>Personnaliser le bash</p>
<div class="language-bash highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="nb">cat</span> <span class="o">&gt;</span> ~/.bashrc <span class="o">&lt;&lt;</span> <span class="no">EOF</span><span class="sh">
alias update='apk update &amp;&amp; apk upgrade'
export HISTTIMEFORMAT="%d/%m/%y %T "
export PS1='</span><span class="se">\u</span><span class="sh">@</span><span class="se">\h</span><span class="sh">:</span><span class="se">\W</span><span class="sh"> </span><span class="se">\$</span><span class="sh"> '
alias l='ls -CF'
alias la='ls -A'
alias ll='ls -alF'
alias ls='ls --color=auto'
source /etc/bash/bash_completion.sh
export PS1="</span><span class="se">\[\e</span><span class="sh">[31m</span><span class="se">\]</span><span class="sh">[</span><span class="se">\[\e</span><span class="sh">[m</span><span class="se">\]\[\e</span><span class="sh">[38;5;172m</span><span class="se">\]\u\[\e</span><span class="sh">[m</span><span class="se">\]</span><span class="sh">@</span><span class="se">\[\e</span><span class="sh">[38;5;153m</span><span class="se">\]\h\[\e</span><span class="sh">[m</span><span class="se">\]</span><span class="sh"> </span><span class="se">\[\e</span><span class="sh">[38;5;214m</span><span class="se">\]\W\[\e</span><span class="sh">[m</span><span class="se">\]\[\e</span><span class="sh">[31m</span><span class="se">\]</span><span class="sh">]</span><span class="se">\[\e</span><span class="sh">[m</span><span class="se">\]\\</span><span class="nv">$ </span><span class="sh">"
</span><span class="no">EOF
</span></code></pre></div></div>
<p>Version bash : <code class="language-plaintext highlighter-rouge">bash --version</code></p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>GNU bash, version 5.2.26(1)-release (x86_64-alpine-linux-musl)
Copyright (C) 2022 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later &lt;http://gnu.org/licenses/gpl.html&gt;
This is free software; you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
</code></pre></div></div>
<h3 id="sudo">sudo</h3>
<p>Installer sudo ()en mode su)</p>
<div class="language-bash highlighter-rouge"><div class="highlight"><pre class="highlight"><code>apk update
apk add <span class="nb">sudo</span>
</code></pre></div></div>
<p>Ajouter un utilisateur avec les privlèges root</p>
<div class="language-bash highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="nb">echo</span> <span class="s2">"aluser ALL=(ALL) NOPASSWD: ALL"</span> <span class="o">&gt;&gt;</span> /etc/sudoers.d/20-aluser
</code></pre></div></div>
<h2 id="docker-non-installe">Docker (NON INSTALLE)</h2>
<p><img src="/images/docker-logo-a.png" alt=""></p>
<h3 id="installation">Installation</h3>
<p><a href="https://geekscircuit.com/install-docker-docker-compose-on-alpine-linux/">Install docker &amp; docker-compose on Alpine Linux</a></p>
<p>Passer en root</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>su -
</code></pre></div></div>
<p><strong>Ajout dépôt communauté (si non effectué lors de linstallation)</strong><br>
Editer la configuration des dépôts</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>nano /etc/apk/repositories
</code></pre></div></div>
<p>Trouvez maintenant la ligne qui se termine dans /community Ensuite, retirez le # au début de la ligne. Le fichier résultant devrait ressembler à ceci</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>#/media/cdrom/apks
http://mirrors.ircam.fr/pub/alpine/v3.20/main
http://mirrors.ircam.fr/pub/alpine/v3.20/community
</code></pre></div></div>
<p><strong>Installation docker</strong><br>
Installer docker et docker-compose</p>
<div class="language-bash highlighter-rouge"><div class="highlight"><pre class="highlight"><code>apk update
apk add docker docker-compose
</code></pre></div></div>
<p>Activer autostart sur boot en utilisant</p>
<div class="language-bash highlighter-rouge"><div class="highlight"><pre class="highlight"><code>rc-update add docker default
</code></pre></div></div>
<p>puis vous pouvez lancer le service docker en utilisant la commande</p>
<div class="language-bash highlighter-rouge"><div class="highlight"><pre class="highlight"><code>/etc/init.d/docker start
<span class="c"># ou</span>
service docker start
</code></pre></div></div>
<h2 id="site-statique">Site statique</h2>
<h3 id="ruby">Ruby</h3>
<p><img src="/images/ruby-logoa.png" alt=""></p>
<p><strong>Installation de Ruby avec RVM sur Alpine Linux (<a href="https://btxx.org/posts/rvm/">Installing Ruby with RVM on Alpine Linux</a>)</strong><br>
Passer en mode root : <code class="language-plaintext highlighter-rouge">su -</code></p>
<p>Paquets de base</p>
<div class="language-bash highlighter-rouge"><div class="highlight"><pre class="highlight"><code>apk update
apk add curl gcc gnupg gpg dirmngr procps musl-dev linux-headers zlib zlib-dev openssl openssl-dev build-base
<span class="c"># libssl1.1</span>
<span class="nb">exit</span>
</code></pre></div></div>
<p>En mode utilisateur<br>
Téléchargez ensuite la dernière version stable de rvm depuis Github, décompressez-la, placez-la dans le répertoire utilisateur approprié (~/.rvm) et installez toutes les bibliothèques requises :</p>
<div class="language-bash highlighter-rouge"><div class="highlight"><pre class="highlight"><code>curl <span class="nt">-sSL</span> https://github.com/rvm/rvm/tarball/stable <span class="nt">-o</span> rvm-stable.tar.gz
<span class="nb">echo</span> <span class="s1">'export rvm_prefix="$HOME"'</span> <span class="o">&gt;</span> ~/.rvmrc
<span class="nb">echo</span> <span class="s1">'export rvm_path="$HOME/.rvm"'</span> <span class="o">&gt;&gt;</span> ~/.rvmrc
<span class="nb">mkdir </span>rvm <span class="o">&amp;&amp;</span> <span class="nb">cd </span>rvm
<span class="nb">tar</span> <span class="nt">--strip-components</span><span class="o">=</span>1 <span class="nt">-xzf</span> ../rvm-stable.tar.gz
./install <span class="nt">--auto-dotfiles</span> <span class="nt">--autolibs</span><span class="o">=</span>0
</code></pre></div></div>
<p>Faire le ménage et créer un lien vers <strong>rvm</strong></p>
<div class="language-bash highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="nb">cd</span> ../ <span class="o">&amp;&amp;</span> <span class="nb">rm</span> <span class="nt">-rf</span> rvm-stable stable.tar.gz rvm
<span class="nb">source</span> ~/.rvm/scripts/rvm
</code></pre></div></div>
<p>On va installer la version Ruby 3.1.4</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>rvm install ruby-3.1.4
</code></pre></div></div>
<p>Patienter plusieurs minutes…</p>
<p>Vérification : <code class="language-plaintext highlighter-rouge">ruby -v</code><br>
<strong>ruby 3.1.4p223 (2023-03-30 revision 957bb7cb81) [x86_64-linux-musl]</strong></p>
<h3 id="projet-jekyll">Projet jekyll</h3>
<p>On va dupliquer le dossier <strong>yannstatic</strong> existant sur PC1 en <strong>aluserstatic</strong> sur alpine-vm01</p>
<h4 id="installer-jekyll-et-bundler">Installer Jekyll et Bundler</h4>
<p>Vérifier les sources</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>localhost:~$ gem source
*** CURRENT SOURCES ***
# rien ci dessus ,on active une source
localhost:~$ gem source -a https://rubygems.org/
https://rubygems.org/ added to sources
# Vérification
localhost:~$ gem source
*** CURRENT SOURCES ***
https://rubygems.org/
</code></pre></div></div>
<p>installez Jekyll et Bundler</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>gem install jekyll bundler
</code></pre></div></div>
<p>Naviguez dans le répertoire de votre projet Jekyll et exécutez:</p>
<div class="language-bash highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="nb">cd</span> /home/aluser/aluserstatic
</code></pre></div></div>
<p>Le fichier Gemfile</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>source "https://rubygems.org"
# gem "github-pages", group: :jekyll_plugins
gem "jekyll-text-theme"
gem "sass-embedded", "1.76.0"
</code></pre></div></div>
<p>Supprimer Gemfile.lock : <code class="language-plaintext highlighter-rouge">rm Gemfile.lock</code></p>
<p>Bundle lit le fichier <strong>Gemfile</strong></p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>bundle install
</code></pre></div></div>
<p><code class="language-plaintext highlighter-rouge">An error occurred while installing eventmachine (1.2.7), and Bundler cannot continue.</code><br>
Il faut installer le paquet build-base</p>
<p>GCC, qui représente GNU Compiler Collection, est un système de compilation libre et open-source produit par le projet GNU.<br>
Le moyen le plus rapide pour commencer avec GCC sur Alpine Linux est de lancer la commande suivante:</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>sudo apk add build-base
</code></pre></div></div>
<p>build-base est un méta-package qui installera les paquets gcc, musl-dev et binutils (entre autres).</p>
<p>Info sur jekyll après installation : <code class="language-plaintext highlighter-rouge">bundle info jekyll</code></p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code> * jekyll (4.3.4)
Summary: A simple, blog aware, static site generator.
Homepage: https://jekyllrb.com
Source Code: https://github.com/jekyll/jekyll
Changelog: https://github.com/jekyll/jekyll/releases
Bug Tracker: https://github.com/jekyll/jekyll/issues
Path: /home/aluser/.rvm/gems/ruby-3.1.4/gems/jekyll-4.3.4
Reverse Dependencies:
jekyll-feed (0.17.0) depends on jekyll (&gt;= 3.7, &lt; 5.0)
jekyll-sitemap (1.4.0) depends on jekyll (&gt;= 3.7, &lt; 5.0)
jekyll-text-theme (2.2.6) depends on jekyll (&gt;= 3.6, &lt; 5.0)
jemoji (0.13.0) depends on jekyll (&gt;= 3.0, &lt; 5.0)
</code></pre></div></div>
<h4 id="création-des-liens">Création des liens</h4>
<p>Création des liens sur les dossiers files , images , _posts et htmldoc</p>
<div class="language-bash highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="nb">ln</span> <span class="nt">-s</span> /home/aluser/statique/files /home/aluser/aluserstatic/files
<span class="nb">ln</span> <span class="nt">-s</span> /home/aluser/statique/images /home/aluser/aluserstatic/images
<span class="nb">ln</span> <span class="nt">-s</span> /home/aluser/statique/_posts /home/aluser/aluserstatic/_posts
<span class="nb">ln</span> <span class="nt">-s</span> /home/aluser/statique/htmldoc /home/aluser/aluserstatic/htmldoc
<span class="nb">ln</span> <span class="nt">-s</span> /home/aluser/statique/htmldoc/htmldoc.md /home/aluser/aluserstatic/htmldoc.md
</code></pre></div></div>
<p>La structure des liens : <code class="language-plaintext highlighter-rouge">ls -l ~/aluserstatic/ |grep ^l</code></p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>lrwxrwxrwx 1 aluser aluser 28 Sep 18 19:43 _posts -&gt; /home/aluser/statique/_posts
lrwxrwxrwx 1 aluser aluser 27 Sep 18 19:43 files -&gt; /home/aluser/statique/files
lrwxrwxrwx 1 aluser aluser 29 Sep 18 19:46 htmldoc -&gt; /home/aluser/statique/htmldoc
lrwxrwxrwx 1 aluser aluser 40 Sep 18 19:44 htmldoc.md -&gt; /home/aluser/statique/htmldoc/htmldoc.md
lrwxrwxrwx 1 aluser aluser 28 Sep 18 19:43 images -&gt; /home/aluser/statique/images
</code></pre></div></div>
<h4 id="génération-dossier-static">Génération dossier “static”</h4>
<p>Dans le dossier <strong>aluserstatic</strong></p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>cd $HOME/aluserstatic
bundle exec jekyll build
</code></pre></div></div>
<p>Cest ça ! Maintenant si vous exécutez <code class="language-plaintext highlighter-rouge">bundle exec jekyll serve</code> vous trouverez votre projet Jekyll fonctionnant localement!</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>localhost:~/aluserstatic$ bundle exec jekyll serve --source "$HOME/aluserstatic"
Configuration file: /home/aluser/aluserstatic/_config.yml
Source: /home/aluser/aluserstatic
Destination: /home/aluser/aluserstatic/_site
Incremental build: disabled. Enable with --incremental
Generating...
Jekyll Feed: Generating feed for posts
done in 31.908 seconds.
Auto-regeneration: enabled for '/home/aluser/aluserstatic'
Server address: http://127.0.0.1:4000
Server running... press ctrl-c to stop.
</code></pre></div></div>
<p>Dans un terminal de PC1</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>ssh -L 9500:localhost:4000 aluser@192.168.0.222
</code></pre></div></div>
<p>Dans un navigateur de PC1 : localhost:9500</p>
<h4 id="service-gener_static">Service gener_static</h4>
<ul>
<li><a href="https://wiki.alpinelinux.org/wiki/OpenRC">OpenRC</a></li>
<li><a href="https://docs.alpinelinux.org/user-handbook/0.1a/Working/openrc.html#_configuring_services">Working with OpenRC</a></li>
<li><a href="https://medium.com/@mfranzon/how-to-create-and-manage-a-service-in-an-alpine-linux-container-93a97d5dad80">How to Create and Manage a Service in an Alpine Linux Container</a></li>
</ul>
<p>Créer un script <code class="language-plaintext highlighter-rouge">gener_static.sh</code></p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>sudo nano /usr/local/bin/gener_static.sh
</code></pre></div></div>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>#!/bin/sh
echo $$ &gt; /run/gener_static.pid # Store the PID of this process
cd $HOME/aluserstatic
bundle exec jekyll build --watch --incremental
</code></pre></div></div>
<p>Le rendre exécutable</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>sudo chmod +x /usr/local/bin/gener_static.sh
</code></pre></div></div>
<h3 id="augmenter-taille-disque-virtuel">Augmenter taille disque virtuel</h3>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>[yann@yann-pc1 ~]$ sudo virsh list
ID Nom État
------------------------------------------
1 vm-debian12 en cours dexécution
6 alpine-vm01 en cours dexécution
[yann@yann-pc1 ~]$ sudo virsh shutdown alpine-vm01
Le domaine 'alpine-vm01' est en cours de fermeture
[yann@yann-pc1 ~]$ sudo virsh domblklist alpine-vm01
Cible Source
---------------------------------------------------
vda /home/yann/virtuel/KVM/alpine-vm01.qcow2
[yann@yann-pc1 ~]$ sudo qemu-img resize /home/yann/virtuel/KVM/alpine-vm01.qcow2 +15G
Image resized.
[yann@yann-pc1 ~]$ sudo qemu-img info /home/yann/virtuel/KVM/alpine-vm01.qcow2
image: /home/yann/virtuel/KVM/alpine-vm01.qcow2
file format: qcow2
virtual size: 20 GiB (21474836480 bytes)
disk size: 3.11 GiB
cluster_size: 65536
Format specific information:
compat: 1.1
compression type: zlib
lazy refcounts: true
refcount bits: 16
corrupt: false
extended l2: false
Child node '/file':
filename: /home/yann/virtuel/KVM/alpine-vm01.qcow2
protocol type: file
file length: 5 GiB (5369757696 bytes)
disk size: 3.11 GiB
[yann@yann-pc1 ~]$ sudo virsh start alpine-vm01
Domaine 'alpine-vm01' démarré
Connexion ssh aluser@192.168.0.222
# Outils
sudo apk add --no-cache cfdisk e2fsprogs-extra
# cfdisk pour redimensionner la partition vda3
localhost:~$ sudo cfdisk
sélectionner la partition à étendre puis resize write quit
Syncing disks.
# resize
localhost:~$ sudo resize2fs /dev/vda3
resize2fs 1.47.0 (5-Feb-2023)
Filesystem at /dev/vda3 is mounted on /; on-line resizing required
old_desc_blocks = 1, new_desc_blocks = 3
The filesystem on /dev/vda3 is now 4838144 (4k) blocks long.
# vérification
localhost:~$ sudo df -H |grep vda3
/dev/vda3 18.1G 2.9G 14.4G 17% /
</code></pre></div></div>
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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 : _$LiteralSearchStrategy_6
opt.sort = _opt.sort || NoSort
opt.exclude = _opt.exclude || []
}
function findMatches (data, crit, strategy, opt) {
const matches = []
for (let i = 0; i < data.length && matches.length < opt.limit; i++) {
const match = findMatchesInObject(data[i], crit, strategy, opt)
if (match) {
matches.push(match)
}
}
return matches
}
function findMatchesInObject (obj, crit, strategy, opt) {
for (const key in obj) {
if (!isExcluded(obj[key], opt.exclude) && strategy.matches(obj[key], crit)) {
return obj
}
}
}
function isExcluded (term, excludedTerms) {
for (let i = 0, len = excludedTerms.length; i < len; i++) {
const excludedTerm = excludedTerms[i]
if (new RegExp(excludedTerm).test(term)) {
return true
}
}
return false
}
/* globals ActiveXObject:false */
'use strict'
var _$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';
}
}
function setState() {
var scrollTop = $scrollTarget.scrollTop();
if (scrollTop >= rootTop && scrollTop <= scrollBottom) {
fixed();
} else if (scrollTop < rootTop) {
top();
} else {
bottom();
}
}
function init() {
if(!hasInit) {
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();
}
};
}
$.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;
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];
if (window.hasEvent('touchstart')) {
$root.dataset.isTouch = true;
document.addEventListener('touchstart', function(){}, false);
}
})();
</script>
</body>
</html>