{"id":642,"date":"2024-07-12T09:56:43","date_gmt":"2024-07-12T09:56:43","guid":{"rendered":"https:\/\/www.dncloudit.com\/?p=642"},"modified":"2024-07-28T17:08:18","modified_gmt":"2024-07-28T17:08:18","slug":"primeros-pasos-en-openstack-1-entorno-multi-nodo-openstack-en-ha","status":"publish","type":"post","link":"https:\/\/www.dncloudit.com\/?p=642","title":{"rendered":"Primeros pasos en Openstack #1 Entorno Multi-Nodo Openstack en HA"},"content":{"rendered":"\t\t
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Entorno HA Multi-Node con Openstack<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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En esta serie de videos vamos a acercar la tecnolog\u00eda de despliegues de infraestructura Cloud basados en Openstack. Realizaremos desde un primer paso inicial de infraestructura en HA Multinodo hasta el despliegue de todos los m\u00f3dulos espec\u00edficos orientados a PaaS o arquitecturas Multi-Regi\u00f3n mas compleja<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Configuraci\u00f3n y arquitectura de Nodos\u00a0<\/h1>
  • 1 x\u00a0 Nodo Gesti\u00f3n – 2 vCPU 2 GB Ram<\/li>
  • 3 x Nodo Contro – 2 vCPU 8 GB Ram<\/li>
  • 1 x Nodo Computo – 2 vCPU 8 GB Ram (Capacidad para virtualizar)<\/li><\/ul>

    Interfaces y uso:\u00a0<\/p>

    • Ens160:<\/strong> Interfaz configurada en “Bridge<\/strong>” con conectividad a internet. Configuraremos las interfaces “kolla_external_vip_interface<\/strong>” . Esta red es la que expone los servicios hacia el exterior.Configuraremos tambi\u00e9n una VIP que utilizar\u00e1 nuestro Keepalived para dar Ha entre nodos de control<\/li>
    • Ens192<\/strong>: Interfaz configurada para la comunicaci\u00f3n interna entre los hosts. No debe tener salida a internet y esta configurada en nuestro Vmware como “Host Only<\/strong>“. Expondremos la interfaz “network_interface y api_interface<\/strong>“. Configuraremos tambi\u00e9n una VIP que utilizar\u00e1 nuestro Keepalived para dar Ha entre nodos de control<\/li>
    • Ens256<\/strong>: Storage Interface. Configurada como internal “Host Only<\/strong>” y podremos usarla en siguientes capitulos para configurar un ceph external y conectarlo el storage separado atrav\u00e9s de este rango interno<\/li>
    • Ens161<\/strong>: Red sin configurar para Openstack en la que se utilizar\u00e1 para que genere sus rangos o redes tipo vlan para comunicarlas con el exterior.\u00a0<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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      Instalamos dependencias<\/strong><\/h4>

      Actualizamos las dependencias y paquetes en funci\u00f3n de nuestra versi\u00f3n de S.O. En nuestro caso para Rocky 9<\/p>

      sudo dnf install git python3-devel libffi-devel gcc openssl-devel python3-libselinux<\/pre>
      Instalamos dependencias para instalar en entorno virtual<\/strong><\/h4>
      1. \u00a0<\/strong>Creamos y activamos nuestro entorno virtual:<\/li><\/ol>
        python3 -m venv \/path\/to\/venv
        source \/path\/to\/venv\/bin\/act\u00edvate<\/pre>
        1. Instalamos y actualizamos la ultima versi\u00f3n de Pip:<\/li><\/ol>
          pip install -U pip<\/pre>
          1. Instalamos la versi\u00f3n “ansible-core”. Kolla-ansible requiere al menos Ansible 8 (ansible core 2.15) o Ansible 9 (ansible core 2.16)<\/li><\/ol>
            pip install 'ansible-core>=2.15,<2.16.99'<\/pre>
            Instalamos Kolla-Ansible<\/strong><\/h4>
            1. Instalamos kolla-ansible y sus dependencias con pip<\/li><\/ol>
              pip install git+https:\/\/opendev.org\/openstack\/kolla-ansible@master<\/pre>
              \u00a0 \u00a0 \u00a0 2. Creamos el directorio \/etc\/kolla<\/p>
              sudo mkdir -p \/etc\/kolla<\/pre>
              sudo chown $USER:$USER \/etc\/kolla<\/pre>
              1. Copiamos el archivo globals.yml y passwords.yml a \/etc\/kolla<\/li><\/ol>
                cp -r \/path\/to\/venv\/share\/kolla-ansible\/etc_examples\/kolla\/* \/etc\/kolla<\/pre>
                1. Copiamos los archivos all-in-one y multinode inventory para trabajar<\/li><\/ol>
                  cp \/path\/to\/venv\/share\/kolla-ansible\/ansible\/inventory\/* .<\/pre>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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                  Globals.yml<\/h3>
                  A continuaci\u00f3n detallamos todas las variables del archivo globals que necesitamos modificar para la configuraci\u00f3n base de nuestro openstack<\/p>
                  • enable_openstack_core: “yes”<\/li>
                  • horizon_keystone_multidomain: “True”<\/li>
                  • kolla_base_distro: “rocky”<\/li>
                  • openstack_release: “2024.1”<\/li>
                  • kolla_internal_vip_address: “10.0.0.209”<\/li>
                  • kolla_external_vip_address: “192.168.0.209”<\/li>
                  • network_interface: “ens192”<\/li>
                  • kolla_external_vip_interface: “ens160”<\/li>
                  • api_interface: “ens192”<\/li>
                  • neutron_external_interface: “ens161”<\/li>
                  • nova_compute_virt_type: “qcow”<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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                    Preparaci\u00f3n Inventory & Hosts<\/h4>
                    El archive multinode es donde definiremos nuestra configuraci\u00f3n de hosts y que servicio correr\u00e1 en cada uno. A\u00f1adiremos los nodos a su subsecci\u00f3n de inventory y aplicaremos el grupo control para desplegar los servicios:<\/p>
                    • Network<\/li>
                    • Monitoring<\/li>
                    • Storage<\/li>
                    • Otros<\/li><\/ul>
                      Tambi\u00e9n debemos configurar en nuestro nodo de gesti\u00f3n el archivo de configuraci\u00f3n \/etc\/hosts con la resoluci\u00f3n de nombres de todos los nodos, en neustro caso los definiremos por la red interna.\u00a0<\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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                      Instalamos Ansible Galaxy y generamos archivo Passwords<\/strong><\/h4>
                      En este punto instalamos las dependencias de Ansible Galaxy y generamos el archivo passwords.yml para todos los servicios.\u00a0<\/p>
                      kolla-ansible install-deps

                      kolla-genpwd<\/pre>
                      Prepara y Despliega Kolla<\/h4>
                      Preparamos todos los hosts para instalar todos los paquetes de versiones, configuraciones y archivos necesarios en cada uno de los hosts.\u00a0<\/p>
                      kolla-ansible -i .\/all-in-one bootstrap-servers

                      kolla-ansible -i .\/all-in-one prechecks

                      kolla-ansible -i .\/all-in-one deploy

                      <\/pre>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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                      Accede a tu Openstack<\/h4>
                      En este punto, a trav\u00e9s de tu navegador y tu VIP External podr\u00e1s acceder a tu Openstack:\u00a0<\/p>
                      http:\/\/192.168.0.209\/auth\/login\/<\/pre>
                      La password de Admin podr\u00e1s encontrarla en tu archivo generado como passwords.yml con el comando<\/p>
                      cat \/etc\/kolla\/passwords.yml | grep admin<\/pre>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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                      \n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\"\"\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"
                      Entorno HA Multi-Node con Openstack En esta serie de videos vamos a acercar la tecnolog\u00eda de despliegues de infraestructura Cloud basados en Openstack. Realizaremos desde un primer paso inicial de infraestructura en HA Multinodo hasta el despliegue de todos los m\u00f3dulos espec\u00edficos orientados a PaaS o arquitecturas Multi-Regi\u00f3n mas compleja Configuraci\u00f3n y arquitectura de Nodos\u00a0 […]<\/p>\n","protected":false},"author":1,"featured_media":684,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[29],"tags":[],"class_list":["post-642","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-arquitectura-openstack"],"blocksy_meta":[],"yoast_head":"\nPrimeros pasos en Openstack #1 Entorno Multi-Nodo Openstack en HA - DNCloudIT<\/title>\n<meta name=\"description\" content=\"Tu plataforma de IT con los art\u00edculos interesantes de Cloud principalmente. 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