The document discusses using infrastructure as code and configuration automation techniques like PowerShell Desired State Configuration (DSC) and Chef to manage infrastructure. It notes the challenges of traditional release processes and excess bureaucracy. DSC is presented as a platform-agnostic configuration management tool for the Windows platform that uses declarative resources and providers to automate and ensure infrastructure is always in the desired configured state. Examples of both push- and pull-based models for managing node configuration with DSC are described.

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Chega de receita de bolo:
Gerenciando infraestrutura como código
Igor Abade V. Leite
Microsoft MVP – Visual Studio ALM
Professional Scrum Trainer – Scrum.org

2. @IgorAbade
blog.lambda3.com.br/L3/IgorAbade

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Dilemas do dia-a-dia de um
time de desenvolvimento...

4. O “Dia da Release”
Todo mundo morre de medo
Raramente funciona de primeira

5. Excessode burocracia
Implantações são caras
Perdas de janela são inaceitáveis

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7. Conflitosentre Dev,Ops, e Negócios

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Desafio: Integrar Dev e Ops

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Configuration Automation
Infrastructure as Code
Soluções Maduras
Velhas Conhecidas no
mundo Linux
Mas e o Windows?

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PowerShell DSC
PowerShell DSC (Desired State Configuration) é
Agnóstico a ferramenta
Baseado em padrões
Distribuído
Plataforma nativa de
Automação de Configuração no Windows

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Como funciona?
Traditional Scripts
Technology Specific
DSC Engine
Dependency Resolution
Logging & Error Handling
Reboot Resiliency
Repeatable Automation
Resources
Technology Specific
Configuration
Intent

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Arquitetura do DSC

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Demo

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Push Model
Configuration
MOF
3rd party
languages and
tools
Tools Documents
PowerShell
“Make it So” Agent
Parser and
Dispatcher
Imperative
Providers
Providers implement
changes:
• Monotonic
• Idempotent
Local
Configuration
Store

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Pull Model
Configuration
MOF
Tools Documents “Make it So” Agent
3rd party
languages and
tools
PowerShell

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Para saber mais
Windows PowerShell Desired State Configuration Overview
https://msdn.microsoft.com/en-us/powershell/dsc/overview
DevOps Fundamentals: Configuration Management
https://channel9.msdn.com/Series/DevOps-Fundamentals/Configuration-
Management
Configuration Management vs. Application Release Automation
https://devops.com/configuration-management-vs-application-release-
automation/
Create your first Azure Resource Manager template
https://docs.microsoft.com/en-us/azure/azure-resource-manager/resource-
manager-create-first-template
Learn Chef
https://learn.chef.io