{"id":607,"date":"2024-07-06T12:11:53","date_gmt":"2024-07-06T12:11:53","guid":{"rendered":"https:\/\/www.dncloudit.com\/?p=607"},"modified":"2024-07-28T17:09:18","modified_gmt":"2024-07-28T17:09:18","slug":"high-availability-con-masakari-y-openstack","status":"publish","type":"post","link":"https:\/\/www.dncloudit.com\/?p=607","title":{"rendered":"High Availability con Masakari y Openstack"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"607\" class=\"elementor elementor-607\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-68419cb1 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"68419cb1\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-34718b62\" data-id=\"34718b62\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-30b9b0a9 elementor-widget elementor-widget-text-editor\" data-id=\"30b9b0a9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><\/p>\n<div class=\"scaffold-layout scaffold-layout--breakpoint-xl scaffold-layout--main-aside scaffold-layout--reflow \">\n<div class=\"scaffold-layout__inner scaffold-layout-container scaffold-layout-container--reflow \">\n<div class=\"scaffold-layout__row scaffold-layout__content scaffold-layout__content--main-aside scaffold-layout__content--has-aside \"><p><\/p><main class=\"scaffold-layout__main\"><p><\/p>\n<div data-scaffold-immersive-reader=\"\">\n<article>\n<div class=\"relative reader__grid\">\n<div data-scaffold-immersive-reader-content=\"\">\n<div>\n<div class=\"reader-article-content reader-article-content-theme reader-article-content--content-blocks\" dir=\"ltr\">\n<p id=\"ember782\" class=\"ember-view reader-content-blocks__paragraph\">En este post quiero dar a conocer c\u00f3mo #Openstack resuelve una de las problem\u00e1ticas o requerimientos m\u00e1s cr\u00edticos que necesitas las empresas para tener sus servicios de misi\u00f3n cr\u00edtica siempre activos y es la<strong> alta disponibilidad<\/strong> de su infraestructura. Gracias a #Masakari, m\u00f3dulo nativo de Openstack podremos trabajar en 3 capas (<strong>Procesos, VM y Hosts<\/strong>) para poder detectar eventos de fallos y migrar cargas autom\u00e1ticas mediante patrones personalizables. En este post har\u00e9 una introducci\u00f3n y configuraci\u00f3n b\u00e1sica de que opciones y como personalizar nuestro <strong>plan de contingencia<\/strong>con este servicio.<\/p>\n<p id=\"ember783\" class=\"ember-view reader-content-blocks__paragraph\">Lo primero que debemos saber esque Openstack es una <strong>soluci\u00f3n modular<\/strong>, donde en la fase de arquitectura tendremos que decidir que requerimientos y necesidades tiene nuestra infraestructura y poder dise\u00f1as los m\u00f3dulos y su configuraci\u00f3n correctamente. Masakari no es un m\u00f3dulo \u201cCore\u201d de openstack, es decir, no se instala de base y debemos de a\u00f1adirlo con nuestra herramienta de Gesti\u00f3n, en este caso nosotros utilizaremos <strong>#Kolla-Ansible<\/strong> para ello.<\/p>\n<p id=\"ember784\" class=\"ember-view reader-content-blocks__paragraph\">Para ello manejaremos varios conceptos simples:<\/p>\n<ul>\n<li><strong>Segmento<\/strong>: Agrupaci\u00f3n de Hosts f\u00edsicos.<\/li>\n<li><strong>Hosts: <\/strong>Servidor f\u00edsico de virtualizaci\u00f3n donde corren las VM de nuestra Cloud.<\/li>\n<\/ul>\n<p id=\"ember786\" class=\"ember-view reader-content-blocks__paragraph\">Esta configuraci\u00f3n la podremos realizar tanto por interfaz gr\u00e1fica en nuestro<strong>#Horizon<\/strong> o por CLI de manera sencilla. Para ello seguiremos estos pasos:<\/p>\n<p id=\"ember787\" class=\"ember-view reader-content-blocks__paragraph\">1.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Definiremos nuestros Segmentos en funci\u00f3n de las pol\u00edticas que necesitemos. Por ejemplo, podremos tener Segmentos para cargas o Hosts cr\u00edticos que queramos levantar con mas prioridad o simplemente categorizar o agrupar por servicios o paquetes de Hosts.<\/p>\n<div class=\"reader-image-block reader-image-block--resize\">\n<figure class=\"reader-image-block__figure\">\n<div class=\"ivm-image-view-model \">\n<div class=\"ivm-view-attr__img-wrapper \"><img decoding=\"async\" id=\"ember789\" class=\"ivm-view-attr__img--centered reader-image-block__img evi-image lazy-image ember-view\" src=\"https:\/\/media.licdn.com\/dms\/image\/D4D12AQFZy16usl-HHQ\/article-inline_image-shrink_1500_2232\/0\/1720267476359?e=1725494400&amp;v=beta&amp;t=XoC0Gcedoui_HpZ4-KABzssahoX4Q7AjWWm68Bx0ucY\" alt=\"\"><\/div>\n<\/div>\n<\/figure>\n<\/div>\n<p id=\"ember790\" class=\"ember-view reader-content-blocks__paragraph\">\n<\/p><p id=\"ember791\" class=\"ember-view reader-content-blocks__paragraph\">2.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Crearemos cada uno de los segmentos donde trabajamos principalmente definiendo su Recovery Method. Este par\u00e1metro permite elegir desde tener un host reservado para ser el elegido como destino en la evacuaci\u00f3n de nuestras VM o delegar esta tarea en auto a openstack, siendo el mediante detecci\u00f3n de carga quien migrar\u00e1 del host ca\u00eddo a cada uno de los hosts disponibles.<\/p>\n<div class=\"reader-image-block reader-image-block--full-width\">\n<figure class=\"reader-image-block__figure\">\n<div class=\"ivm-image-view-model \">\n<div class=\"ivm-view-attr__img-wrapper \"><img decoding=\"async\" id=\"ember792\" class=\"ivm-view-attr__img--centered reader-image-block__img evi-image lazy-image ember-view\" src=\"https:\/\/media.licdn.com\/dms\/image\/D4D12AQEDHP5pOjkubA\/article-inline_image-shrink_1500_2232\/0\/1720267482862?e=1725494400&amp;v=beta&amp;t=wjuH6t7zKsqqS6t-5eIdrl7kYBk0wlFt09OWuuNTAxo\" alt=\"\"><\/div>\n<\/div>\n<\/figure>\n<\/div>\n<p id=\"ember794\" class=\"ember-view reader-content-blocks__paragraph\">3.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Asignaremos cada uno de los Hosts que tenemos en la plataforma al Segmento asociado en el primer punto.<\/p>\n<div class=\"reader-image-block reader-image-block--full-width\">\n<figure class=\"reader-image-block__figure\">\n<div class=\"ivm-image-view-model \">\n<div class=\"ivm-view-attr__img-wrapper \"><img decoding=\"async\" id=\"ember795\" class=\"ivm-view-attr__img--centered reader-image-block__img evi-image lazy-image ember-view\" src=\"https:\/\/media.licdn.com\/dms\/image\/D4D12AQHRPr1SVxy3ag\/article-inline_image-shrink_1500_2232\/0\/1720267487155?e=1725494400&amp;v=beta&amp;t=kMvk0Dji8Ew8rX0vwGtYN5TZtf2o-jteibwzgFiabdQ\" alt=\"\"><\/div>\n<\/div>\n<\/figure>\n<\/div>\n<p id=\"ember796\" class=\"ember-view reader-content-blocks__paragraph\">Una vez tengamos configurado este punto ya tendr\u00edamos definidas nuestra pol\u00edticas de HighAvailability. Podremos acceder a informaci\u00f3n de Notificaciones para conocer si ha pasado alg\u00fan evento de ca\u00edda ya sea bien por fallo en el proceso de una VM o por un Host de computaci\u00f3n de nuestro entorno.<\/p>\n<p id=\"ember797\" class=\"ember-view reader-content-blocks__paragraph\">\n<\/p><div class=\"reader-image-block reader-image-block--full-width\">\n<figure class=\"reader-image-block__figure\">\n<div class=\"ivm-image-view-model \">\n<div class=\"ivm-view-attr__img-wrapper \"><img decoding=\"async\" id=\"ember798\" class=\"ivm-view-attr__img--centered reader-image-block__img evi-image lazy-image ember-view\" src=\"https:\/\/media.licdn.com\/dms\/image\/D4D12AQFL-WdeCgjB4Q\/article-inline_image-shrink_1500_2232\/0\/1720267490368?e=1725494400&amp;v=beta&amp;t=_wEoRs_IyhNc91uVDk709O0RODrbaEr9VPFE6MSIw-A\" alt=\"\"><\/div>\n<\/div>\n<\/figure>\n<\/div>\n<p id=\"ember799\" class=\"ember-view reader-content-blocks__paragraph\">En caso de activaci\u00f3n de estas pol\u00edticas, autom\u00e1tica el Scheduler de Nova encargado de realizar los placement a los nuevos hosts disponibles seg\u00fan nuestras pol\u00edticas se ver\u00e1n en la secci\u00f3n VMoves, donde podremos ver en tiempo real las evacuaciones que se producen.<\/p>\n<div class=\"reader-image-block reader-image-block--full-width\">\n<figure class=\"reader-image-block__figure\">\n<div class=\"ivm-image-view-model \">\n<div class=\"ivm-view-attr__img-wrapper \"><img decoding=\"async\" id=\"ember800\" class=\"ivm-view-attr__img--centered reader-image-block__img evi-image lazy-image ember-view\" src=\"https:\/\/media.licdn.com\/dms\/image\/D4D12AQEuDTkviLM0SA\/article-inline_image-shrink_1500_2232\/0\/1720267497117?e=1725494400&amp;v=beta&amp;t=yMH2BOlR4M6iuqFiOkwb5ICP2wtcTb6z3wxT-nKyoTk\" alt=\"\"><\/div>\n<\/div>\n<\/figure>\n<\/div>\n<p id=\"ember801\" class=\"ember-view reader-content-blocks__paragraph\"><strong>Conclusi\u00f3n<\/strong>: La funcionalidad de <strong>#HighAvailability<\/strong> en Openstack es un tema no tan conocido en la comunidad debido a ser un m\u00f3dulo no fundamental para este stack. Gracias a esta configuraci\u00f3n podemos sumar un punto mas en nuestra arquitectura y ofrecer una opci\u00f3n de resiliencia y reducir nuestro <strong>RTO<\/strong> en caso de ca\u00eddas. Siempre recuerdo que esto deber\u00eda ser un \u201cMust\u201d en cualquier soluci\u00f3n y es el complemento perfecto a nuestro plan de continuidad de negocio.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/article>\n<\/div>\n<p><\/p><\/main><p><\/p>\n<aside class=\"scaffold-layout__aside \">\n<div class=\"scaffold-layout__sticky scaffold-layout__sticky--is-active scaffold-layout__sticky--md \">\n<div class=\"scaffold-layout__sticky-content\">\n<div class=\"reader-social-activity__right-rail\">\n<h3 class=\"text-heading-medium mb4\"><br><\/h3><\/div><\/div><\/div><\/aside><\/div><\/div><\/div>\n<p><\/p>\n<p><\/p>\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":"<p>En este post quiero dar a conocer c\u00f3mo #Openstack resuelve una de las problem\u00e1ticas o requerimientos m\u00e1s cr\u00edticos que necesitas las empresas para tener sus servicios de misi\u00f3n cr\u00edtica siempre activos y es la alta disponibilidad de su infraestructura. Gracias a #Masakari, m\u00f3dulo nativo de Openstack podremos trabajar en 3 capas (Procesos, VM y Hosts) [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":609,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[29],"tags":[],"class_list":["post-607","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-arquitectura-openstack"],"blocksy_meta":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>High Availability con Masakari y Openstack - DNCloudIT<\/title>\n<meta name=\"description\" content=\"Tu plataforma de IT con los art\u00edculos interesantes de Cloud principalmente. 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