September 2024
Intermediate to advanced
230 pages
4h 33m
Spanish
Content preview from Libro de cocina de Kubernetes, 2ª edición
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Capítulo 11. Monitoreo y registro
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En este capítulo nos centraremos en recetas relacionadas con el monitoreo y el registro, tanto a nivel de infraestructura como de aplicación. En el contexto de Kubernetes, los distintos roles suelen tener ámbitos diferentes:
- Funciones de administrador
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Los administradores, como los del clúster, los de operaciones de red o los del espacio de nombres, se centran en el plano de control del clúster. Algunos ejemplos de preguntas que pueden plantearse son ¿Están sanos los nodos? ¿Agregamos un nodo trabajador? ¿Cuál es la utilización de todo el clúster? ¿Se acercan los usuarios a sus cuotas de uso?
- Funciones del desarrollador
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Los desarrolladores piensan y actúan principalmente en el contexto de la aplicación o del plano de datos, que bien puede ser -en la era de los microservicios- de un puñado a una docena de vainas. Por ejemplo, una persona con funciones de desarrollador podría preguntarse ¿Tengo suficientes recursos asignados para ejecutar mi aplicación? ¿A cuántas réplicas debo escalar mi aplicación? ¿Tengo acceso a los volúmenes adecuados, y cómo de llenos están? ¿Está fallando una de mis aplicaciones y, si es así, por qué?
Primero cubriremos recetas centradas en el monitoreo interno del clúster aprovechando las sondas de liveness y readiness de Kubernetes, luego nos centraremos en el monitoreo con el Servidor de Métricas y ...
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