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Arquitetura .Net��Aplicações .NET no Kubernetes: Pequenos detalhes fazem a diferença

Fabrício Veronez

Fundados da Formação DevOps Pro

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Liveness e Readiness Probe

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Liveness Probe

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Liveness Probe

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Readiness Probe

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Readiness Probe

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Liveness e Readiness Probe

  • Comando
  • TCP
  • HTTP
  • GRPC

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https://learn.microsoft.com/en-us/aspnet/core/host-and-deploy/health-checks

Health checks no ASP.NET Core

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Resource �Request e Limits

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CPU

Memória Disponível

Node

CPU para o sistema

Memória reservada para o sistema

CPU para o Kubernetes

Memória reservada para o Kubernetes

Pod A

Pod A

Pod B

Pod B

CPU

Memória Disponível

Node

CPU para o sistema

Memória reservada para o sistema

CPU para o Kubernetes

Memória reservada para o Kubernetes

Pod A

Pod A

Pod B

Pod B

Memory Request

CPU Request

Memory Limit

CPU Limit

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Quality of Service

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Guaranteed�

Requisito�CPU e Memory request e Limit dos containers do Pod precisam ter o mesmo valor

Burstable�

Requisito�Pelo menos um dos containers do Pod possui memory ou CPU request ou limit declarado

BestEffort�

Requisito�CPU e Memory requests e Limits dos containers do Pod não possuem nenhuma declaração

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Testes de Performance

https://learn.microsoft.com/en-us/aspnet/core/test/load-tests

https://learn.microsoft.com/en-us/visualstudio/profiling/beginners-guide-to-performance-profiling

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ConfigMap, Secrets e KMS

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ConfigMap e Secrets

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https://learn.microsoft.com/en-us/aspnet/core/fundamentals/configuration

{

    "Logging": {

        "LogLevel": {

            "Default": "Information",

            "Microsoft.AspNetCore": "Warning"

        }

    },

    "AllowedHosts": "*"

}

apiVersion: v1

kind: ConfigMap

metadata:

  name: exemplo

data:

  Logging__LogLevel__Default: Information

  Logging__LogLevel__Microsoft.AspNetCore: Information

  AllowedHosts: "*"

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KMS (Key Management Service)

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Uso de Deployment, StateFullSet, DaemonSet, Jobs, CronJobs

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Deployment

StateFullSet

DaemonSet

Jobs

CronJobs

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NetworkPolicy

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@fabricioveronez

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