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Azure deployments and ARM templates
The document discusses the concept of DevOps and Infrastructure as Code (IaC), emphasizing the management of computing and network infrastructure through coding, specifically using Azure Resource Manager. It provides examples of deploying resources with ARM templates and automation tools like PowerShell and Terraform, detailing configuration management and multi-environment setups. Additionally, it highlights improvements in ARM templates and Terraform integrations for better support of Azure resources.
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Azure deployments and ARM templates
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- 6. “Infrastructure as codeis the approach to defining computing and network infrastructure through source code that can then be treated just like any software system.” Martin Fowler https://martinfowler.com/bliki/InfrastructureAsCode.html
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- 8. API ENDPOINT (MANAGEMENT.AZURE.COM) ACTIVITYLOGS, ACCESS CONTROL, POLICY, LOCKS, TEMPLATE ENGINE, DEPLOYMENTS, RESOURCE GROUP PROVIDER CONTRACT (RPC) RESOURCE PROVIDERS Data Plane Control Plane Clients The big picture
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- 10. A service thatsupplies the resources you can deploy and manage through Resource Manager. Each resource provider offers operations for working with the resources that are deployed. Resource Provider
- 11. Resource Providers fromPowerShell
- 12. a Resource Provider mightbe registered to your subscription
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- 15. Example: creating aStorage Account PowerShell Az Cli 2.0 Terraform
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- 17. Example: creating aStorage Account (cont.) ARM Template
- 18. How to deployan ARM template PowerShell Az Cli 2.0
- 19. One more (imperative)example:
- 20. How to developan ARM template Visual Studio Code Visual Studio Azure Portal
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- 25. How to testan ARM template https://blog.mexia.com.au/testing-arm-templates-with-pester https://blogs.technet.microsoft.com/stefan_stranger/2017/08/02/testing- azure-resource-manager-template-functions/ Some more examples:
- 26. template1a.json template1b.json template1c.json template1.json A template canreference other templates
- 27. template1.json You can splita template into different (cross-dependent) templates template1a.json template1b.json = +
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- 29. https://github.com/mspnp/template-building-blocks/wiki Simplified json withbuilding blocks This example does the following: • Deploys 3 VMs in an Availability Set • Enables diagnostics • Uses managed OS Disks • Uses Windows Server 2016 • Creates Public IP for each VM
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- 31. VM Extensions forConfiguration Management CHEF PUPPET Custom Script PowerShell DSC
- 32. Example: PowerShell DSCConfiguration
- 33. Example DSC Extension for Linuxin ARM Template
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- 35. cat script.sh |base64 -w0 Embedding a script in the template
- 36. https://open.microsoft.com/2018/05/23/immutable-infrastructure-azure-vsts-terraform-packer-ansible/ Building an immutable infrastructurewith VSTS, Terraform, Packer and Ansible
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- 38. List of possibleenviroments Each environment has the same set of properties How to handle multiple environments in the same template
- 39. testvm1-nic, testvm2-nic, … Get the firstusable IP in the subnet (i.e. 10.25.60.36) 10.25.6011 8 11 – (8+1) = 29 32 35 10.25.60.36, 10.25.60.37, ….
- 40. •User defined functionsin templates •Subscription based deployments Deploy subscription-level resources Role definitions Role assignments •Rollback To previous deployment on fail (Next) improvements in ARM Templates
- 41. ARM Template Terraform OSS RP Resource •As an ARM resource • Sign up for private preview: https://aka.ms/tfossrp Terraform config TF Azure Resource TF Azure module Make Azure a first class provider in Terraform • Increased Azure resource coverage • More TF Azure modules (Next) Improved Terraform Support
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