Adventures with Azure ARM Templates: Create Logic App API Connection for Cosmos

LogicAppCosmosConnection.json

{
    "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
    "contentVersion": "1.0.0.0",
    "parameters": {
        "connectionName": {
            "type": "String"
        },
        "cosmosAccountName": {
            "type": "String"
        }
    },
    "resources": [
        {
            "type": "Microsoft.Web/connections",
            "apiVersion": "2016-06-01",
            "location": "[resourceGroup().location]",
            "name": "[parameters('connectionName')]",
            "properties": {
                "api": {
                    "id": "[concat(subscription().id, '/providers/Microsoft.Web/locations/', resourceGroup().location, '/managedApis/documentdb')]"
                },
                "displayName": "[parameters('cosmosAccountName')]",
                "parameterValues": {
                    "databaseAccount": "[parameters('cosmosAccountName')]",
                    "accessKey": "[listKeys(resourceId('Microsoft.DocumentDB/databaseAccounts', parameters('cosmosAccountName')), '2015-04-08').primaryMasterKey]"
                }
            }
        }
    ]
}

LogicAppCosmosConnection.ps1

Param(
    [String] [Parameter(Mandatory = $true)] $ResourceGroupName,
    [String] $ConnectionName = '',
    [String] [Parameter(Mandatory = $true)] $CosmosAccountName,
    [String] $TemplateFile = "LogicAppCosmosConnection.json"
)

$ErrorActionPreference = "Stop"

$TemplateFile = [System.IO.Path]::GetFullPath([System.IO.Path]::Combine($PSScriptRoot, $TemplateFile))

if ($null -eq $ConnectionName -or $ConnectionName.Trim() -eq '') {
    $ConnectionName = $CosmosAccountName + "-cn"
}

New-AzResourceGroupDeployment `
    -Name ((Get-ChildItem $TemplateFile).BaseName + "-" + ((Get-Date).ToUniversalTime()).ToString("MMdd-HHmm")) `
    -ResourceGroupName $ResourceGroupName `
    -TemplateFile $TemplateFile `
    -Force `
    -Verbose `
    -connectionName $ConnectionName `
    -cosmosAccountName $CosmosAccountName