Cloud Infrastructure as F#

Modern cloud applications consist of many moving parts, so they are hard to manage without employing Infrastructure-as-Code approach.

Traditionally, tools like CloudFormation, ARM templates and Terraform employ text-based templates, which tend to be tedious, repetitive and difficult to reuse.

What if instead of configuration files you could just use F#? See how to bring types, components, and much more to your cloud infrastructure definition.

1. Cloud Infrastructure as F# F# eXchange | April 4 | 2019
2. • Software developer • Cloud • Serverless https://mikhail.io @MikhailShilkov What I do
3. Sample App
4. URL Shortener
5. Serverless URL Shortener Cosmos DB Collection “URLs” Azure Function “Add URL” Azure Function “Navigate”
6. Azure Function code type Item = { id: string, url: string } [<FunctionName("Navigate")>] let Navigate( [<HttpTrigger(AuthorizationLevel.Anonymous, "get", Route = "{id}")>] req: HttpRequestMessage, [<CosmosDB("mydb", "myitems", Id = "{id}", ConnectionStringSetting = "CosmosDBConnection")>] doc: Item) = if box doc <> null then RedirectResult doc.url :> IActionResult else NotFoundResult () :> IActionResult
7. Azure Function code type Item = { id: string, url: string } [<FunctionName("Navigate")>] let Navigate( [<HttpTrigger(AuthorizationLevel.Anonymous, "get", Route = "{id}")>] req: HttpRequestMessage, [<CosmosDB("mydb", "myitems", Id = "{id}", ConnectionStringSetting = "CosmosDBConnection")>] doc: Item) = if box doc <> null then RedirectResult doc.url :> IActionResult else NotFoundResult () :> IActionResult
8. Options to deploy the infra
9. Azure Portal:
10. Azure CLI:
11. ARM Templates: "resources": [ { "type": "config", "name": "appsettings", "apiVersion": "2015-08-01", "properties": { "Project": "functionApp", "AzureWebJobsDashboard": "[concat('DefaultEndpointsProtocol=https;AccountName=', variables('storageAccountName'), ';AccountKey=', listKeys(variables('storageAccountid'),'2015-05-01-preview').key1)]", "AzureWebJobsStorage": "[concat('DefaultEndpointsProtocol=https;AccountName=', variables('storageAccountName'), ';AccountKey=', listKeys(variables('storageAccountid'),'2015-05-01-preview').key1)]", "WEBSITE_CONTENTAZUREFILECONNECTIONSTRING": "[concat('DefaultEndpointsProtocol=https;AccountName=', variables('storageAccountName'), ';AccountKey=', listKeys(variables('storageAccountid'),'2015-05-01-preview').key1)]", "WEBSITE_CONTENTSHARE": "[toLower(parameters('siteName'))]", "APPINSIGHTS_INSTRUMENTATIONKEY": "[reference(resourceId('microsoft.insights/components/', parameters('siteName')), '2015-05-01').InstrumentationKey]", "SHORTENER_URL": "[toLower(variables('shortenerUrl'))]", "UTM_SOURCE": "[toLower(parameters('utmSource'))]", "FALLBACK_URL": "[toLower(parameters('fallbackUrl'))]", "FUNCTIONS_EXTENSION_VERSION": "~1", "WEBSITE_NODE_DEFAULT_VERSION": "6.5.0", "ROUTING_EXTENSION_VERSION": "~0.2" },
12. Desired properties of infra code
13. Desired properties of infra code
14. Pulumi
16. Pulumi F# program Pulumi CLI F# Components Demo
17. How Pulumi works 17 CLI and Engine Last deployed state Program.fs Language host AWS Azure GCP Kubernetes new Resource() Create, update, delete
18. How Pulumi F# Plugin works Azure Resource Manager Terraform Provider TF Gen .NET API F# API
19. Conclusions
20. USE INFRASTRUCTURE- AS-CODE Making Cloud Apps?
21. Real Programming Language! What Kind of “Code”?
22. Slides: https://speakerdeck.com/mikhailshilkov/cloud- infrastructure-as-f-number Pulumi: https://pulumi.io/ Multi-Language in Pulumi: https://github.com/pulumi/pulumi/issues/2430 My article on Why Pulumi: https://mikhail.io/2019/02/from-yaml-to- typescript-developers-view-on-cloud- automation/ Useful Links