Bicep and Terraform Code generation (without AI) by Thomas Hafermalz

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Generate & Transform IaC Code Bicep, Terraform, VS Code Thomas Hafermalz 30.09.2024 AZUG Meetup

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THOMAS HAFERMALZ  Azure Solution Architect & Trainer (Zurich, )  Study: Industrial Environmental Informatics  Meetup: Azure Zurich User Group www.thomashafermalz.net www.linkedin.com/in/thomashafermalz

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AGENDA ▪ Why IaC? ▪ Bicep & ARM ▪ Terraform ▪ Demo

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WHY IAC

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▪ Repeat your steps ▪Idempotence / declaration ▪Easier deployment across stages ▪Reproducibility / consistency ▪ Repositories ▪Traceability ▪Versioning ▪Teamwork BENEFITS OF IAC:

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▪ Create from scratch ▪examples from documentation ▪Stackoverflow etc… ▪Where is MY usecase??? ▪ Existing templates in other language CHALLENGES (GET THE CODE)

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BICEP

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▪ Generate parameter files ▪ Import as Bicep code per resource ID ▪ Convert Bicep <-> ARM ▪Existing templates / snippets ▪ Helpful: Deployment Pane (experimental) ▪No bicepparam files atm BICEP OPTIONS

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▪ VS Code ▪Extensions ▪Bicep ▪Azure CLI (scrapbooks) / Powershell ▪ Bicep CLI ▪Incl. in Azure CLI, additional needed for PowerShell WHAT DO I NEED?

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BICEP DEMO

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TERRAFORM

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▪ Write code from existing infrastructure ▪Portal created ▪ No change / redeploy of resources (production) ▪State import BACKGROUND

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▪ Import Block & config generate ▪Terraform v1.5 ▪ https://developer.hashicorp.com/terraform/language/import/generating-configuration ▪ Tf export tool («Terrafy») ▪Generate HCL incl. statefile ▪Various filter options for scope ▪Only Azure resources TERRAFORM OPTIONS 1

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▪ Import from state ▪View on resource configuration (diagnostic tables) ▪ Azure portal export(soon) ▪ Other tools ▪Terraformer (GCP) and terracognita ▪Terraforming (AWS) TERRAFORM OPTIONS 2

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▪ Features ▪Import complete RG with/without statefile ▪Interactive/automatic ▪Edit resource mapping ▪ Filters (query) ▪Single resource ▪Resource type (provider) ▪tags TERRAFORM EXPORT TOOL

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▪ VS Code ▪Terraform runtime ▪Extensions ▪HashiCorp Terraform / Azure Terraform ▪Azure CLI (scrapbooks) / Powershell ▪ TF Export Tool ▪https://github.com/Azure/aztfexport/releases WHAT DO I NEED?

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▪ Available set of modules supported by Microsoft ▪ For Bicep & Terraform ▪https://azure.github.io/Azure-Verified-Modules/ ▪'br/public:avm/res/network/virtual-network:' AZURE VERIFIED MODULES (AVM)