IaC with terraform - Speaker Deck

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IaC with Terraform

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2 … @me Marcos Nils Lilljedahl (@marcosnils) Head of Infra @ iúnigo, OS Developer, consultant & trainer - Ing. en sistemas / MoIT - OSS & Golang - Docker Captain - Container junkie - Active projects: Jedis, Vault, Goblin, dynamodb-filters, play-with-docker (and probably more) - crossfit, asado, mate, sailing, drinks & food.

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3 La mejor aseguradora de la Argentina https://www.meetup.com/es-ES/10x-Buenos-Aires/

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5 … Cloud vs on-prem

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6 … Entering cloud

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7 … Cloud automation 101

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8 … Cloud automation 101 80% Outages caused by changes

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9 … Dev practices

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10 … Tools

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11 … Tools

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12 … Providers

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13 … Hello world module

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14 … Variables

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15 … Handling Failure

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16 … Failure Break resources into logical entities

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17 … Importing

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18 … Modules - DRY

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19 … Modules

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20 … Caveats - Weird errors - Provider issues - No step through execution - Rapid Change - State Corruption

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21 … Lifecycle https://www.terraform.io/docs/enterprise/guides/recommended-practices/index.html 1. Local 2. Multi Environment 3. Workflow 4. Collaboration across teams 5. Organization

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22 … General BP ● Review plan before apply ● Save plan to file and apply from it ● Terraform fmt ● Enable bucket versioning (s3) ● Using --target ● Keep too many resources in one dir ● Keep secrets unencrypted ● Build unnecesary modules

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23 … Remote state datasource

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24 … null_resource for validations

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25 … for expressions

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26 … generalized splat

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27 … Useful ● https://www.terraform.io/docs/index.html ● https://learn.hashicorp.com/terraform/ ● https://github.com/runatlantis/atlantis ● https://registry.terraform.io/

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28 Gracias!