{"id":8744,"date":"2024-05-29T08:10:15","date_gmt":"2024-05-29T08:10:15","guid":{"rendered":"https:\/\/www.webhi.com\/how-to\/?p=8744"},"modified":"2024-05-29T08:10:18","modified_gmt":"2024-05-29T08:10:18","slug":"installer-configurer-openstack-linux","status":"publish","type":"post","link":"https:\/\/www.webhi.com\/how-to\/fr\/installer-configurer-openstack-linux\/","title":{"rendered":"Comment installer et configurer OpenStack"},"content":{"rendered":"\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/www.webhi.com\/how-to\/gilrogre\/2024\/05\/openstack_install_fr.jpg\" alt=\"Guide \u00e9tape par \u00e9tape pour installer et configurer OpenStack linux ubuntu debian RHEL CentOS\" class=\"wp-image-8764\" srcset=\"https:\/\/www.webhi.com\/how-to\/gilrogre\/2024\/05\/openstack_install_fr.jpg 1200w, https:\/\/www.webhi.com\/how-to\/gilrogre\/2024\/05\/openstack_install_fr-300x169.jpg 300w, https:\/\/www.webhi.com\/how-to\/gilrogre\/2024\/05\/openstack_install_fr-1024x576.jpg 1024w, https:\/\/www.webhi.com\/how-to\/gilrogre\/2024\/05\/openstack_install_fr-768x432.jpg 768w, https:\/\/www.webhi.com\/how-to\/gilrogre\/2024\/05\/openstack_install_fr-150x84.jpg 150w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"introduction\">Introduction<\/h2>\n\n\n\n<p><strong>OpenStack<\/strong> est une populaire plateforme de cloud computing open source qui permet la gestion et l&#8217;automatisation de grands groupes de serveurs virtuels et de ressources. D\u00e9velopp\u00e9 pour prendre en charge le mod\u00e8le infrastructure-as-a-service (IaaS), OpenStack est devenu l&#8217;\u00e9pine dorsale de nombreux clouds priv\u00e9s et publics. Ce guide fournit un parcours complet pour installer et configurer OpenStack, couvrant tout, des exigences syst\u00e8me aux conseils de configuration avanc\u00e9e.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"table-des-mati%C3%A8res\">Table des mati\u00e8res<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th><strong>Chapitres<\/strong><\/th><th><strong>Sous-sujets<\/strong><\/th><\/tr><\/thead><tbody><tr><td><strong>Introduction<\/strong><\/td><td>Aper\u00e7u d&#8217;OpenStack<\/td><\/tr><tr><td><strong>Comprendre OpenStack<\/strong><\/td><td>Qu&#8217;est-ce qu&#8217;OpenStack ?<br>Composants cl\u00e9s d&#8217;OpenStack<br>Cas d&#8217;utilisation d&#8217;OpenStack<\/td><\/tr><tr><td><strong>Pr\u00e9paration \u00e0 l&#8217;installation<\/strong><\/td><td>Exigences syst\u00e8me<br>Pr\u00e9requis<br>Configuration r\u00e9seau<br>Choisir la bonne distribution OpenStack<\/td><\/tr><tr><td><strong>Installer OpenStack<\/strong><\/td><td>Installation mono-n\u0153ud vs multi-n\u0153uds<br>M\u00e9thodes d&#8217;installation d&#8217;OpenStack<br>Installation manuelle<br>Installation automatis\u00e9e avec DevStack<br>Utiliser Packstack pour l&#8217;installation<\/td><\/tr><tr><td><strong>Configurer OpenStack<\/strong><\/td><td>Configuration post-installation<br>Configurer le tableau de bord OpenStack<br>Configurer le service d&#8217;identit\u00e9 (Keystone)<br>Configurer le service d&#8217;images (Glance)<br>Configurer le service de calcul (Nova)<br>Configurer le service r\u00e9seau (Neutron)<br>Configurer le stockage bloc (Cinder)<br>Configurer le stockage objet (Swift)<\/td><\/tr><tr><td><strong>Configuration avanc\u00e9e<\/strong><\/td><td>Configurer la haute disponibilit\u00e9<br>Int\u00e9grer des services externes<br>Configurer la supervision et la journalisation<br>Bonnes pratiques de s\u00e9curit\u00e9<br>Optimisation des performances<\/td><\/tr><tr><td><strong>D\u00e9pannage et maintenance<\/strong><\/td><td>Probl\u00e8mes courants et solutions<br>T\u00e2ches de maintenance r\u00e9guli\u00e8res<br>Mettre \u00e0 niveau OpenStack<\/td><\/tr><tr><td><strong>FAQ<\/strong><\/td><td>Foire aux questions<\/td><\/tr><tr><td><strong>Conclusion<\/strong><\/td><td>R\u00e9sum\u00e9 et r\u00e9flexions finales<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"comprendre-openstack\">Comprendre OpenStack<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"quest-ce-quopenstack\">Qu&#8217;est-ce qu&#8217;OpenStack ?<\/h2>\n\n\n\n<p>OpenStack est une plateforme cloud open source qui fournit l&#8217;infrastructure pour cr\u00e9er et g\u00e9rer des clouds publics et priv\u00e9s. C&#8217;est un ensemble d&#8217;outils logiciels pour construire et g\u00e9rer des plateformes de cloud computing pour les clouds publics et priv\u00e9s.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"composants-cl%C3%A9s-dopenstack\">Composants cl\u00e9s d&#8217;OpenStack<\/h2>\n\n\n\n<p>OpenStack se compose de plusieurs composants interd\u00e9pendants qui contr\u00f4lent les pools de ressources de traitement, de stockage et de r\u00e9seau \u00e0 travers un centre de donn\u00e9es. Les principaux composants comprennent :<\/p>\n\n\n\n<ul class=\"list-bl\">\n<li><strong>Nova<\/strong>&nbsp;: G\u00e8re les ressources de calcul et orchestre le cycle de vie des machines virtuelles.<\/li>\n\n\n\n<li><strong>Swift<\/strong>&nbsp;: Fournit un stockage objet \u00e9volutif et redondant.<\/li>\n\n\n\n<li><strong>Cinder<\/strong>&nbsp;: G\u00e8re le stockage bloc pour les instances.<\/li>\n\n\n\n<li><strong>Neutron<\/strong>&nbsp;: Fournit la mise en r\u00e9seau en tant que service entre les p\u00e9riph\u00e9riques d&#8217;interface.<\/li>\n\n\n\n<li><strong>Keystone<\/strong>&nbsp;: G\u00e8re l&#8217;authentification et l&#8217;autorisation.<\/li>\n\n\n\n<li><strong>Glance<\/strong>&nbsp;: G\u00e8re les images disques.<\/li>\n\n\n\n<li><strong>Horizon<\/strong>&nbsp;: Fournit un tableau de bord web pour interagir avec les services OpenStack.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"cas-dutilisation-dopenstack\">Cas d&#8217;utilisation d&#8217;OpenStack<\/h2>\n\n\n\n<p>OpenStack est polyvalent et peut \u00eatre utilis\u00e9 dans divers cas, notamment :<\/p>\n\n\n\n<ul class=\"list-bl\">\n<li><strong>Cloud priv\u00e9<\/strong>&nbsp;: Les entreprises utilisent OpenStack pour g\u00e9rer leur infrastructure cloud interne.<\/li>\n\n\n\n<li><strong>Cloud public<\/strong>&nbsp;: Les fournisseurs de services utilisent OpenStack pour proposer des services cloud aux clients.<\/li>\n\n\n\n<li><strong>Cloud hybride<\/strong>&nbsp;: Les organisations int\u00e8grent OpenStack avec d&#8217;autres environnements cloud pour cr\u00e9er des clouds hybrides.<\/li>\n\n\n\n<li><strong>Recherche et d\u00e9veloppement<\/strong>&nbsp;: OpenStack est souvent utilis\u00e9 dans les environnements R&amp;D pour sa flexibilit\u00e9 et son \u00e9volutivit\u00e9.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"pr%C3%A9parer-linstallation\">Pr\u00e9parer l&#8217;installation<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"exigences-syst%C3%A8me\">Exigences syst\u00e8me<\/h2>\n\n\n\n<p>Avant d&#8217;installer OpenStack, assurez-vous que votre mat\u00e9riel et vos logiciels r\u00e9pondent aux exigences suivantes :<\/p>\n\n\n\n<ul class=\"list-bl\">\n<li><strong>Processeur<\/strong>&nbsp;: Processeur x86_64 multi-c\u0153urs<\/li>\n\n\n\n<li><strong>M\u00e9moire<\/strong>&nbsp;: Au moins 8 Go de RAM pour une installation de base<\/li>\n\n\n\n<li><strong>Stockage<\/strong>&nbsp;: Minimum de 100 Go d&#8217;espace disque<\/li>\n\n\n\n<li><strong>R\u00e9seau<\/strong>&nbsp;: Un minimum de deux interfaces r\u00e9seau (NIC)<\/li>\n\n\n\n<li><strong>Syst\u00e8me d&#8217;exploitation<\/strong>&nbsp;: Ubuntu 20.04 LTS ou CentOS 8<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"pr%C3%A9requis\">Pr\u00e9requis<\/h2>\n\n\n\n<p>Assurez-vous que les pr\u00e9requis suivants sont remplis avant de proc\u00e9der \u00e0 l&#8217;installation :<\/p>\n\n\n\n<ul class=\"list-bl\">\n<li><strong>Acc\u00e8s SSH<\/strong>&nbsp;: L&#8217;acc\u00e8s SSH doit \u00eatre configur\u00e9 pour le serveur d&#8217;installation.<\/li>\n\n\n\n<li><strong>Configuration r\u00e9seau<\/strong>&nbsp;: Configuration r\u00e9seau appropri\u00e9e avec des adresses IP statiques.<\/li>\n\n\n\n<li><strong>Paquets logiciels<\/strong>&nbsp;: Les paquets requis comme Python, pip et les environnements virtuels doivent \u00eatre install\u00e9s.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"configuration-r%C3%A9seau\">Configuration r\u00e9seau<\/h2>\n\n\n\n<p>La configuration r\u00e9seau est cruciale pour l&#8217;installation d&#8217;OpenStack. Assurez-vous que :<\/p>\n\n\n\n<ul class=\"list-bl\">\n<li><strong>Adresses IP<\/strong>&nbsp;: Attribuez des adresses IP statiques pour les r\u00e9seaux de gestion, de stockage et de clients.<\/li>\n\n\n\n<li><strong>DNS<\/strong>&nbsp;: Configurez la r\u00e9solution DNS.<\/li>\n\n\n\n<li><strong>Pare-feu<\/strong>&nbsp;: Ajustez les param\u00e8tres du pare-feu pour autoriser le trafic n\u00e9cessaire.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"choisir-la-bonne-distribution-openstack\">Choisir la bonne distribution OpenStack<\/h2>\n\n\n\n<p>Plusieurs distributions d&#8217;OpenStack sont disponibles, notamment :<\/p>\n\n\n\n<ul class=\"list-bl\">\n<li><strong>OpenStack Vanilla<\/strong>&nbsp;: La forme pure d&#8217;OpenStack.<\/li>\n\n\n\n<li><strong>Red Hat OpenStack Platform<\/strong>&nbsp;: Version entreprise avec support.<\/li>\n\n\n\n<li><strong>Mirantis OpenStack<\/strong>&nbsp;: Ax\u00e9e sur la facilit\u00e9 d&#8217;utilisation et les fonctionnalit\u00e9s d&#8217;entreprise.<\/li>\n<\/ul>\n\n\n\n<p>Choisissez la distribution qui correspond le mieux \u00e0 vos besoins et \u00e0 votre expertise.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"installer-openstack\">Installer OpenStack<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"installation-mono-n%C5%93ud-vs-multi-n%C5%93uds\">Installation mono-n\u0153ud vs multi-n\u0153uds<\/h2>\n\n\n\n<ul class=\"list-bl\">\n<li><strong>Installation mono-n\u0153ud<\/strong>&nbsp;: Convient aux environnements de test et de d\u00e9veloppement. Tous les services s&#8217;ex\u00e9cutent sur une seule machine.<\/li>\n\n\n\n<li><strong>Installation multi-n\u0153uds<\/strong>&nbsp;: Recommand\u00e9e pour les environnements de production. Les services sont r\u00e9partis sur plusieurs n\u0153uds pour de meilleures performances et une meilleure \u00e9volutivit\u00e9.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"m%C3%A9thodes-dinstallation-dopenstack\">M\u00e9thodes d&#8217;installation d&#8217;OpenStack<\/h2>\n\n\n\n<p>OpenStack peut \u00eatre install\u00e9 en utilisant diverses m\u00e9thodes :<\/p>\n\n\n\n<ul class=\"list-bl\">\n<li><strong>Installation manuelle<\/strong>&nbsp;: Installation et configuration \u00e9tape par \u00e9tape de chaque composant.<\/li>\n\n\n\n<li><strong>Installation automatis\u00e9e<\/strong>&nbsp;: Des outils comme DevStack et Packstack automatisent le processus d&#8217;installation.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"installation-manuelle\">Installation manuelle<\/h2>\n\n\n\n<p>L&#8217;installation manuelle comprend les \u00e9tapes suivantes :<\/p>\n\n\n\n<ol class=\"list-bl\">\n<li><strong>Installer les pr\u00e9requis<\/strong>&nbsp;: Installer les paquets logiciels et les d\u00e9pendances n\u00e9cessaires.<\/li>\n\n\n\n<li><strong>Installer Keystone<\/strong>&nbsp;: Configurer le service d&#8217;identit\u00e9.<\/li>\n\n\n\n<li><strong>Installer Glance<\/strong>&nbsp;: Configurer le service d&#8217;images.<\/li>\n\n\n\n<li><strong>Installer Nova<\/strong>&nbsp;: Configurer le service de calcul.<\/li>\n\n\n\n<li><strong>Installer Neutron<\/strong>&nbsp;: Configurer le service de mise en r\u00e9seau.<\/li>\n\n\n\n<li><strong>Installer Cinder<\/strong>&nbsp;: Configurer le service de stockage bloc.<\/li>\n\n\n\n<li><strong>Installer Swift<\/strong>&nbsp;: Configurer le service de stockage objet.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"installation-automatis%C3%A9e-avec-devstack\">Installation automatis\u00e9e avec DevStack<\/h2>\n\n\n\n<p>DevStack est un script pour configurer rapidement un environnement OpenStack pour le d\u00e9veloppement et les tests. Pour utiliser DevStack :<\/p>\n\n\n\n<ul>\n<li><strong>Cloner le d\u00e9p\u00f4t DevStack<\/strong>&nbsp;:<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"bash\" class=\"language-bash\">$ git clone https:\/\/opendev.org\/openstack\/devstack\n$ cd devstack<\/code><\/pre>\n\n\n\n<ul>\n<li><strong>Cr\u00e9er un fichier de configuration local<\/strong>&nbsp;:<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"bash\" class=\"language-bash\">$ nano local.conf<\/code><\/pre>\n\n\n\n<p>Ajoutez la configuration suivante :<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"properties\" class=\"language-properties\"><strong>[[local|localrc]]<\/strong>\nADMIN_PASSWORD=password  \nDATABASE_PASSWORD=password\nRABBIT_PASSWORD=password\nSERVICE_PASSWORD=password<\/code><\/pre>\n\n\n\n<ul>\n<li><strong>Ex\u00e9cuter le script d&#8217;installation<\/strong>&nbsp;:<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"bash\" class=\"language-bash\">$ .\/stack.sh<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"utiliser-packstack-pour-linstallation\">Utiliser Packstack pour l&#8217;installation<\/h2>\n\n\n\n<p>Packstack simplifie le d\u00e9ploiement d&#8217;OpenStack sur les syst\u00e8mes CentOS. Pour utiliser Packstack :<\/p>\n\n\n\n<ul>\n<li><strong>Installer Packstack<\/strong>&nbsp;:<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"bash\" class=\"language-bash\">$ sudo dnf install -y centos-release-openstack-train\n$ sudo dnf install -y openstack-packstack  <\/code><\/pre>\n\n\n\n<ul>\n<li><strong>Lancer l&#8217;installation<\/strong>&nbsp;:<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"bash\" class=\"language-bash\">$ packstack --allinone<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"configurer-openstack\">Configurer OpenStack<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"configuration-post-installation\">Configuration post-installation<\/h2>\n\n\n\n<p>Apr\u00e8s l&#8217;installation, effectuez les configurations suivantes :<\/p>\n\n\n\n<ul class=\"list-bl\">\n<li><strong>Configurer l&#8217;utilisateur admin<\/strong>&nbsp;: Configurez l&#8217;utilisateur admin et ses identifiants.<\/li>\n\n\n\n<li><strong>V\u00e9rifier les services<\/strong>&nbsp;: Assurez-vous que tous les services OpenStack fonctionnent correctement.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"configurer-le-tableau-de-bord-openstack\">Configurer le tableau de bord OpenStack<\/h2>\n\n\n\n<p>Le tableau de bord OpenStack (Horizon) permet aux utilisateurs de g\u00e9rer les ressources cloud via une interface web. Configurez Horizon comme suit :<\/p>\n\n\n\n<ul>\n<li><strong>Installer Horizon<\/strong>&nbsp;:<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"bash\" class=\"language-bash\">$ sudo apt install openstack-dashboard<\/code><\/pre>\n\n\n\n<ul>\n<li><strong>Configurer Horizon<\/strong>&nbsp;:<\/li>\n<\/ul>\n\n\n\n<p>\u00c9ditez le fichier de configuration :<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"bash\" class=\"language-bash\">$ sudo nano \/etc\/openstack-dashboard\/local_settings.py<\/code><\/pre>\n\n\n\n<p>Ajustez les param\u00e8tres tels que&nbsp;<code>ALLOWED_HOSTS<\/code>&nbsp;et&nbsp;<code>OPENSTACK_KEYSTONE_URL<\/code>.<\/p>\n\n\n\n<ul>\n<li><strong>Red\u00e9marrer Apache<\/strong>&nbsp;:<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"bash\" class=\"language-bash\">$ sudo service apache2 restart<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"configurer-le-service-didentit%C3%A9-keystone\">Configurer le service d&#8217;identit\u00e9 (Keystone)<\/h2>\n\n\n\n<p>Keystone g\u00e8re l&#8217;authentification et l&#8217;autorisation. Configurez Keystone comme suit :<\/p>\n\n\n\n<ul>\n<li><strong>Cr\u00e9er une base de donn\u00e9es Keystone<\/strong>&nbsp;:<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"sql\" class=\"language-sql\">$ mysql -u root -p\n\nCREATE DATABASE keystone;\nGRANT ALL PRIVILEGES ON keystone.* TO 'keystone'@'localhost' IDENTIFIED BY 'password';\nFLUSH PRIVILEGES;<\/code><\/pre>\n\n\n\n<ul>\n<li><strong>\u00c9diter la configuration Keystone<\/strong>&nbsp;:<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"bash\" class=\"language-bash\">$ sudo nano \/etc\/keystone\/keystone.conf<\/code><\/pre>\n\n\n\n<p>Configurez la cha\u00eene de connexion \u00e0 la base de donn\u00e9es.<\/p>\n\n\n\n<ul>\n<li><strong>Peupler la base de donn\u00e9es Keystone<\/strong>&nbsp;:<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"bash\" class=\"language-bash\">$ sudo keystone-manage db_sync<\/code><\/pre>\n\n\n\n<ul>\n<li><strong>Amorcer Keystone<\/strong>&nbsp;:<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"bash\" class=\"language-bash\">$ sudo keystone-manage bootstrap --bootstrap-password password --bootstrap-admin-url http:\/\/localhost:5000\/v3\/ --bootstrap-internal-url http:\/\/localhost:5000\/v3\/ --bootstrap-public-url http:\/\/localhost:5000\/v3\/ --bootstrap-region-id RegionOne  <\/code><\/pre>\n\n\n\n<ul>\n<li><strong>Configurer le serveur HTTP Apache<\/strong>&nbsp;:<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"bash\" class=\"language-bash\">$ sudo ln -s \/usr\/share\/keystone\/wsgi-keystone.conf \/etc\/apache2\/sites-available\/wsgi-keystone.conf\n$ sudo a2ensite wsgi-keystone\n$ sudo service apache2 reload<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"configurer-le-service-dimages-glance\">Configurer le service d&#8217;images (Glance)<\/h2>\n\n\n\n<p>Glance g\u00e8re les images disques. Configurez Glance comme suit :<\/p>\n\n\n\n<ul>\n<li><strong>Cr\u00e9er une base de donn\u00e9es Glance<\/strong>&nbsp;:<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"sql\" class=\"language-sql\">$ mysql -u root -p\n\nCREATE DATABASE glance;\nGRANT ALL PRIVILEGES ON glance.* TO 'glance'@'localhost' IDENTIFIED BY 'password';\nFLUSH PRIVILEGES;<\/code><\/pre>\n\n\n\n<ul>\n<li><strong>\u00c9diter la configuration Glance<\/strong>&nbsp;:<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"bash\" class=\"language-bash\">$ sudo nano \/etc\/glance\/glance-api.conf<\/code><\/pre>\n\n\n\n<p>Configurez la cha\u00eene de connexion \u00e0 la base de donn\u00e9es et d&#8217;autres param\u00e8tres.<\/p>\n\n\n\n<ul>\n<li><strong>Peupler la base de donn\u00e9es Glance<\/strong>&nbsp;:<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"bash\" class=\"language-bash\">$ sudo glance-manage db_sync<\/code><\/pre>\n\n\n\n<ul>\n<li><strong>Red\u00e9marrer les services Glance<\/strong>&nbsp;:<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"bash\" class=\"language-bash\">$ sudo service glance-api restart<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"configurer-le-service-de-calcul-nova\">Configurer le service de calcul (Nova)<\/h2>\n\n\n\n<p>Nova g\u00e8re les ressources de calcul. Configurez Nova comme suit :<\/p>\n\n\n\n<ul>\n<li><strong>Cr\u00e9er une base de donn\u00e9es Nova<\/strong>&nbsp;:<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"sql\" class=\"language-sql\">$ mysql -u root -p \n\nCREATE DATABASE nova_api;\nCREATE DATABASE nova;\nGRANT ALL PRIVILEGES ON nova_api.* TO 'nova'@'localhost' IDENTIFIED BY 'password';\nGRANT ALL PRIVILEGES ON nova.* TO 'nova'@'localhost' IDENTIFIED BY 'password';\nFLUSH PRIVILEGES;<\/code><\/pre>\n\n\n\n<ul>\n<li><strong>\u00c9diter la configuration Nova<\/strong>&nbsp;:<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"bash\" class=\"language-bash\">$ sudo nano \/etc\/nova\/nova.conf<\/code><\/pre>\n\n\n\n<p>Configurez les cha\u00eenes de connexion aux bases de donn\u00e9es et d&#8217;autres param\u00e8tres.<\/p>\n\n\n\n<ul>\n<li><strong>Peupler la base de donn\u00e9es Nova<\/strong>&nbsp;:<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"bash\" class=\"language-bash\">$ sudo nova-manage api_db sync\n$ sudo nova-manage cell_v2 map_cell0\n$ sudo nova-manage db sync  <\/code><\/pre>\n\n\n\n<ul>\n<li><strong>Red\u00e9marrer les services Nova<\/strong>&nbsp;:<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"bash\" class=\"language-bash\">$ sudo service nova-api restart<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"configurer-le-service-r%C3%A9seau-neutron\">Configurer le service r\u00e9seau (Neutron)<\/h2>\n\n\n\n<p>Neutron fournit la mise en r\u00e9seau en tant que service. Configurez Neutron comme suit :<\/p>\n\n\n\n<ul>\n<li><strong>Cr\u00e9er une base de donn\u00e9es Neutron<\/strong>&nbsp;:<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"sql\" class=\"language-sql\">$ mysql -u root -p\n\nCREATE DATABASE neutron;  \nGRANT ALL PRIVILEGES ON neutron.* TO 'neutron'@'localhost' IDENTIFIED BY 'password';\nFLUSH PRIVILEGES;<\/code><\/pre>\n\n\n\n<ul>\n<li><strong>\u00c9diter la configuration Neutron<\/strong>&nbsp;:<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"bash\" class=\"language-bash\">$ sudo nano \/etc\/neutron\/neutron.conf<\/code><\/pre>\n\n\n\n<p>Configurez la cha\u00eene de connexion \u00e0 la base de donn\u00e9es et d&#8217;autres param\u00e8tres.<\/p>\n\n\n\n<ul>\n<li><strong>Peupler la base de donn\u00e9es Neutron<\/strong>&nbsp;:<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"bash\" class=\"language-bash\">$ sudo neutron-db-manage --config-file \/etc\/neutron\/neutron.conf --config-file \/etc\/neutron\/plugins\/ml2\/ml2_conf.ini upgrade head<\/code><\/pre>\n\n\n\n<ul>\n<li><strong>Red\u00e9marrer les services Neutron<\/strong>&nbsp;:<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"bash\" class=\"language-bash\">$ sudo service neutron-server restart<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"configurer-le-stockage-bloc-cinder\">Configurer le stockage bloc (Cinder)<\/h2>\n\n\n\n<p>Cinder fournit le stockage bloc. Configurez Cinder comme suit :<\/p>\n\n\n\n<ul>\n<li><strong>Cr\u00e9er une base de donn\u00e9es Cinder<\/strong>&nbsp;:<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"sql\" class=\"language-sql\">$ mysql -u root -p\n\nCREATE DATABASE cinder;\nGRANT ALL PRIVILEGES ON cinder.* TO 'cinder'@'localhost' IDENTIFIED BY 'password'; \nFLUSH PRIVILEGES;<\/code><\/pre>\n\n\n\n<ul>\n<li><strong>\u00c9diter la configuration Cinder<\/strong>&nbsp;:<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"bash\" class=\"language-bash\">$ sudo nano \/etc\/cinder\/cinder.conf<\/code><\/pre>\n\n\n\n<p>Configurez la cha\u00eene de connexion \u00e0 la base de donn\u00e9es et d&#8217;autres param\u00e8tres.<\/p>\n\n\n\n<ul>\n<li><strong>Peupler la base de donn\u00e9es Cinder<\/strong>&nbsp;:<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"bash\" class=\"language-bash\">$ sudo cinder-manage db sync<\/code><\/pre>\n\n\n\n<ul>\n<li><strong>Red\u00e9marrer les services Cinder<\/strong>&nbsp;:<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"bash\" class=\"language-bash\">$ sudo service cinder-api restart<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"configurer-le-stockage-objet-swift\">Configurer le stockage objet (Swift)<\/h2>\n\n\n\n<p>Swift fournit un stockage objet \u00e9volutif. Configurez Swift comme suit :<\/p>\n\n\n\n<ul>\n<li><strong>Installer Swift<\/strong>&nbsp;:<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"bash\" class=\"language-bash\">$ sudo apt install swift swift-account swift-container swift-object<\/code><\/pre>\n\n\n\n<ul>\n<li><strong>\u00c9diter la configuration Swift<\/strong>&nbsp;:<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"bash\" class=\"language-bash\">$ sudo nano \/etc\/swift\/swift.conf<\/code><\/pre>\n\n\n\n<p>Configurez les param\u00e8tres n\u00e9cessaires.<\/p>\n\n\n\n<ul>\n<li><strong>Cr\u00e9er les fichiers Ring<\/strong>&nbsp;:<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"bash\" class=\"language-bash\">$ swift-ring-builder account.builder create 10 3 1\n$ swift-ring-builder container.builder create 10 3 1 \n$ swift-ring-builder object.builder create 10 3 1<\/code><\/pre>\n\n\n\n<ul>\n<li><strong>Distribuer les fichiers Ring<\/strong>&nbsp;:<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"bash\" class=\"language-bash\">$ swift-ring-builder account.builder add z1-127.0.0.1:6002\/sdb1 100\n$ swift-ring-builder container.builder add z1-127.0.0.1:6001\/sdb1 100\n$ swift-ring-builder object.builder add z1-127.0.0.1:6000\/sdb1 100<\/code><\/pre>\n\n\n\n<ul>\n<li><strong>R\u00e9\u00e9quilibrer les Rings<\/strong>&nbsp;:<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"bash\" class=\"language-bash\">$ swift-ring-builder account.builder rebalance\n$ swift-ring-builder container.builder rebalance\n$ swift-ring-builder object.builder rebalance<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"configuration-avanc%C3%A9e\">Configuration avanc\u00e9e<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"configurer-la-haute-disponibilit%C3%A9\">Configurer la haute disponibilit\u00e9<\/h2>\n\n\n\n<p>La haute disponibilit\u00e9 (HA) garantit que vos services OpenStack sont r\u00e9sistants aux d\u00e9faillances. Configurez la HA comme suit :<\/p>\n\n\n\n<ol class=\"list-bl\">\n<li><strong>Installer et configurer HAProxy<\/strong>&nbsp;: Utilisez HAProxy pour \u00e9quilibrer la charge des services OpenStack.<\/li>\n\n\n\n<li><strong>Configurer Keepalived<\/strong>&nbsp;: Assurez le basculement VIP (Virtual IP).<\/li>\n\n\n\n<li><strong>R\u00e9plication de la base de donn\u00e9es<\/strong>&nbsp;: Configurez un cluster Galera pour la r\u00e9plication de la base de donn\u00e9es MySQL.<\/li>\n\n\n\n<li><strong>Clustering de la file de messages<\/strong>&nbsp;: Utilisez RabbitMQ ou un autre serveur AMQP pour le clustering.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"int%C3%A9grer-des-services-externes\">Int\u00e9grer des services externes<\/h2>\n\n\n\n<p>OpenStack peut \u00eatre int\u00e9gr\u00e9 \u00e0 divers services externes pour des fonctionnalit\u00e9s am\u00e9lior\u00e9es :<\/p>\n\n\n\n<ul class=\"list-bl\">\n<li><strong>Int\u00e9gration LDAP<\/strong>&nbsp;: Int\u00e9grez Keystone avec LDAP pour une authentification centralis\u00e9e.<\/li>\n\n\n\n<li><strong>Stockage Ceph<\/strong>&nbsp;: Utilisez Ceph pour le stockage bloc et objet.<\/li>\n\n\n\n<li><strong>OpenStack Heat<\/strong>&nbsp;: Utilisez Heat pour l&#8217;orchestration et la gestion de piles d&#8217;applications cloud.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"configurer-la-supervision-et-la-journalisation\">Configurer la supervision et la journalisation<\/h2>\n\n\n\n<p>La supervision et la journalisation sont cruciales pour maintenir un environnement OpenStack sain. Utilisez les outils suivants :<\/p>\n\n\n\n<ul class=\"list-bl\">\n<li><strong>Nagios\/Zabbix<\/strong>&nbsp;: Pour la supervision de l&#8217;infrastructure.<\/li>\n\n\n\n<li><strong>Elasticsearch, Logstash et Kibana (ELK)<\/strong>&nbsp;: Pour une journalisation et une analyse centralis\u00e9es.<\/li>\n\n\n\n<li><strong>Prometheus\/Grafana<\/strong>&nbsp;: Pour la collecte et la visualisation des m\u00e9triques.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"bonnes-pratiques-de-s%C3%A9curit%C3%A9\">Bonnes pratiques de s\u00e9curit\u00e9<\/h2>\n\n\n\n<p>Mettez en \u0153uvre les bonnes pratiques de s\u00e9curit\u00e9 suivantes :<\/p>\n\n\n\n<ul class=\"list-bl\">\n<li><strong>Contr\u00f4le d&#8217;acc\u00e8s bas\u00e9 sur les r\u00f4les (RBAC)<\/strong>&nbsp;: Utilisez Keystone pour le RBAC.<\/li>\n\n\n\n<li><strong>S\u00e9curit\u00e9 r\u00e9seau<\/strong>&nbsp;: Configurez les groupes de s\u00e9curit\u00e9 et l&#8217;isolation r\u00e9seau.<\/li>\n\n\n\n<li><strong>Mises \u00e0 jour r\u00e9guli\u00e8res<\/strong>&nbsp;: Gardez tous les composants OpenStack \u00e0 jour.<\/li>\n\n\n\n<li><strong>Chiffrement<\/strong>&nbsp;: Utilisez le chiffrement pour les donn\u00e9es au repos et en transit.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"optimisation-des-performances\">Optimisation des performances<\/h2>\n\n\n\n<p>Optimisez les performances d&#8217;OpenStack en :<\/p>\n\n\n\n<ul class=\"list-bl\">\n<li><strong>R\u00e9glant les param\u00e8tres du noyau<\/strong>&nbsp;: Ajustez les param\u00e8tres du noyau pour les performances r\u00e9seau et E\/S.<\/li>\n\n\n\n<li><strong>Optimisation de la base de donn\u00e9es<\/strong>&nbsp;: Optimisez les param\u00e8tres MySQL pour de meilleures performances.<\/li>\n\n\n\n<li><strong>Mise en cache<\/strong>&nbsp;: Utilisez Memcached ou Redis pour la mise en cache.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"d%C3%A9pannage-et-maintenance\">D\u00e9pannage et maintenance<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"probl%C3%A8mes-courants-et-solutions\">Probl\u00e8mes courants et solutions<\/h2>\n\n\n\n<ul class=\"list-bl\">\n<li><strong>\u00c9checs d&#8217;authentification<\/strong>&nbsp;: V\u00e9rifiez les journaux et la configuration de Keystone.<\/li>\n\n\n\n<li><strong>Probl\u00e8mes r\u00e9seau<\/strong>&nbsp;: V\u00e9rifiez la configuration de Neutron et les param\u00e8tres r\u00e9seau.<\/li>\n\n\n\n<li><strong>D\u00e9faillances de service<\/strong>&nbsp;: Red\u00e9marrez les services et v\u00e9rifiez les journaux d&#8217;erreurs.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"t%C3%A2ches-de-maintenance-r%C3%A9guli%C3%A8res\">T\u00e2ches de maintenance r\u00e9guli\u00e8res<\/h2>\n\n\n\n<ul class=\"list-bl\">\n<li><strong>Sauvegardes des bases de donn\u00e9es<\/strong>&nbsp;: Sauvegardez r\u00e9guli\u00e8rement les bases de donn\u00e9es OpenStack.<\/li>\n\n\n\n<li><strong>Rotation des journaux<\/strong>&nbsp;: Configurez la rotation des journaux pour \u00e9viter les probl\u00e8mes d&#8217;espace disque.<\/li>\n\n\n\n<li><strong>Nettoyage des ressources<\/strong>&nbsp;: Nettoyez p\u00e9riodiquement les ressources inutilis\u00e9es.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"mettre-%C3%A0-niveau-openstack\">Mettre \u00e0 niveau OpenStack<\/h2>\n\n\n\n<p>Suivez ces \u00e9tapes pour mettre \u00e0 niveau OpenStack :<\/p>\n\n\n\n<ol class=\"list-bl\">\n<li><strong>Sauvegarde<\/strong>&nbsp;: Assurez-vous que toutes les donn\u00e9es et configurations sont sauvegard\u00e9es.<\/li>\n\n\n\n<li><strong>Tester la mise \u00e0 niveau<\/strong>&nbsp;: Effectuez d&#8217;abord la mise \u00e0 niveau dans un environnement de test.<\/li>\n\n\n\n<li><strong>Mettre \u00e0 niveau les composants<\/strong>&nbsp;: Mettez \u00e0 niveau chaque composant OpenStack en suivant le guide de mise \u00e0 niveau officiel.<\/li>\n\n\n\n<li><strong>V\u00e9rifier<\/strong>&nbsp;: Assurez-vous que tous les services fonctionnent correctement apr\u00e8s la mise \u00e0 niveau.<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"faq\">FAQ<\/h2>\n\n\n\n<p><strong>Quelles sont les exigences syst\u00e8me minimales pour installer OpenStack ?<\/strong><\/p>\n\n\n\n<blockquote class=\"wp-block-quote\">\n<p>Pour installer OpenStack, vous avez besoin d&#8217;au moins un processeur x86_64 multi-c\u0153urs, 8 Go de RAM, 100 Go d&#8217;espace disque et deux interfaces r\u00e9seau. Ubuntu 20.04 LTS ou CentOS 8 est recommand\u00e9 comme syst\u00e8me d&#8217;exploitation.<\/p>\n<\/blockquote>\n\n\n\n<p><strong>Puis-je installer OpenStack sur une seule machine ?<\/strong><\/p>\n\n\n\n<blockquote class=\"wp-block-quote\">\n<p>Oui, OpenStack peut \u00eatre install\u00e9 sur une seule machine \u00e0 des fins de test et de d\u00e9veloppement. Cette configuration est connue sous le nom d&#8217;installation mono-n\u0153ud, o\u00f9 tous les services s&#8217;ex\u00e9cutent sur la m\u00eame machine.<\/p>\n<\/blockquote>\n\n\n\n<p><strong>Quelle est la diff\u00e9rence entre l&#8217;installation manuelle et automatis\u00e9e d&#8217;OpenStack ?<\/strong><\/p>\n\n\n\n<blockquote class=\"wp-block-quote\">\n<p>L&#8217;installation manuelle implique la configuration et la mise en place \u00e9tape par \u00e9tape de chaque composant OpenStack, offrant plus de contr\u00f4le mais n\u00e9cessitant plus d&#8217;efforts. L&#8217;installation automatis\u00e9e, utilisant des outils comme DevStack ou Packstack, simplifie le processus en automatisant l&#8217;installation et la configuration initiale.<\/p>\n<\/blockquote>\n\n\n\n<p><strong>Comment puis-je assurer la haute disponibilit\u00e9 pour OpenStack ?<\/strong><\/p>\n\n\n\n<blockquote class=\"wp-block-quote\">\n<p>Pour assurer la haute disponibilit\u00e9, vous pouvez utiliser HAProxy pour l&#8217;\u00e9quilibrage de charge, Keepalived pour le basculement VIP, un cluster Galera pour la r\u00e9plication de la base de donn\u00e9es et le clustering RabbitMQ pour la mise en file d&#8217;attente des messages. Cette configuration minimise les temps d&#8217;arr\u00eat et am\u00e9liore la r\u00e9silience.<\/p>\n<\/blockquote>\n\n\n\n<p><strong>Est-il possible d&#8217;int\u00e9grer OpenStack avec des solutions de stockage externes ?<\/strong><\/p>\n\n\n\n<blockquote class=\"wp-block-quote\">\n<p>Oui, OpenStack peut \u00eatre int\u00e9gr\u00e9 \u00e0 des solutions de stockage externes comme Ceph pour le stockage bloc et objet. Ceph fournit un backend de stockage hautement \u00e9volutif et fiable pour OpenStack.<\/p>\n<\/blockquote>\n\n\n\n<p><strong>Comment puis-je superviser et journaliser les op\u00e9rations OpenStack ?<\/strong><\/p>\n\n\n\n<blockquote class=\"wp-block-quote\">\n<p>Pour la supervision, vous pouvez utiliser des outils comme Nagios ou Zabbix. Pour la journalisation et l&#8217;analyse centralis\u00e9es, la pile ELK (Elasticsearch, Logstash, Kibana) est recommand\u00e9e. Prometheus et Grafana peuvent \u00eatre utilis\u00e9s pour la collecte et la visualisation des m\u00e9triques.<\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"conclusion\">Conclusion<\/h2>\n\n\n\n<p>Installer et configurer OpenStack peut \u00eatre une t\u00e2che complexe, mais avec une planification minutieuse et une attention aux d\u00e9tails, vous pouvez cr\u00e9er un environnement cloud robuste et \u00e9volutif. Ce guide a couvert les \u00e9tapes et consid\u00e9rations essentielles pour un d\u00e9ploiement r\u00e9ussi d&#8217;OpenStack. Que vous mettiez en place un environnement de test ou un cloud de production, suivre ces \u00e9tapes vous aidera \u00e0 assurer une installation fluide et efficace.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Introduction OpenStack est une populaire plateforme de cloud computing open source qui permet la gestion et l&#8217;automatisation de grands groupes de serveurs virtuels et de ressources. D\u00e9velopp\u00e9 pour prendre en charge le mod\u00e8le infrastructure-as-a-service (IaaS), OpenStack est devenu l&#8217;\u00e9pine dorsale de nombreux clouds priv\u00e9s et publics. Ce guide fournit un parcours complet pour installer et ..<\/p>\n<div class=\"clear-fix\"><\/div>\n<p><a href=\"https:\/\/www.webhi.com\/how-to\/fr\/installer-configurer-openstack-linux\/\" title=\"read more...\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[67,186],"tags":[],"yoast_head":"\n<title>Comment installer et configurer OpenStack - WebHi Tutorials &amp; Documentations<\/title>\n<meta name=\"description\" content=\"Installer et configurer OpenStack gr\u00e2ce \u00e0 ce guide d\u00e9taill\u00e9, \u00e9tape par \u00e9tape. 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