September 2024
Intermediate to advanced
472 pages
11h 16m
Spanish
Content preview from Ansible: Up and Running, 3ª Edición
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Capítulo 17. Infraestructura en la nube
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Ansible tiene varias funciones que facilitan mucho el trabajo con nubes públicas y privadas. Una nube puede verse como una plataforma en capas en la que el usuario puede crear recursos para ejecutar aplicaciones de software.1 Los usuarios pueden asignar dinámicamente o eliminar mediante programación la infraestructura de la nube -incluidos los recursos informáticos, de red y de almacenamiento- , lo que se denomina infraestructura como servicio(IaaS).
Un servicio de nube IaaS permite a los usuarios aprovisionar (crear) nuevos servidores. Todas las nubes IaaS son de autoservicio, lo que significa que el usuario interactúa directamente con un servicio de software en lugar de, por ejemplo, presentar un ticket al departamento de TI. La mayoría de las nubes IaaS ofrecen tres tipos de interfaces para que los usuarios puedan interactuar con el sistema:
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Interfaz web
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Interfaz de línea de comandos
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API REST
Nota
En el caso de EC2, la interfaz web se llama Consola de administración de AWS, y la interfaz de línea de comandos se llama (de forma poco imaginativa) Interfaz de línea de comandos de AWS. La API REST está documentada en Amazon.
Las nubes IaaS suelen utilizar máquinas virtuales para implementar los servidores, aunque puedes construir una nube IaaS utilizando servidores bare-metal (donde los usuarios se ejecutan directamente ...
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