Private/Get-CloudFormationBucket.ps1
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function Get-CloudFormationBucket { <# .SYNOPSIS Returns, creating if necessary bucket to use for uploading oversize templates. .PARAMETER CredentialArguments Credential arguments passed to public function. .OUTPUTS [PSObject] with the following fields - BucketName - BucketUrl #> param ( [hashtable]$CredentialArguments ) # Must be a better way than this? $defaultRegionsMap = @{ APN1 = 'ap-northeast-1' APN2 = 'ap-northeast-2' APN3 = 'ap-northeast-3' APS1 = 'ap-southeast-1' APS2 = 'ap-southeast-2' APS3 = 'ap-southeast-3' CAN1 = 'ca-central-1' CN = 'cn-north-1' CN1 = 'cn-north-1' CNW1 = 'cn-northwest-1' EU = 'eu-west-1' EUC1 = 'eu-central-1' EUN1 = 'eu-north-1' EUW1 = 'eu-west-1' EUW2 = 'eu-west-2' EUW3 = 'eu-west-3' GOV = 'us-gov-west-1' GOVE1 = 'us-gov-east-1' GOVW1 = 'us-gov-west-1' SFO = 'us-west-1' US = 'us-east-1' USE2 = 'us-east-2' USW1 = 'us-west-1' USW2 = 'us-west-1' } # To support localstack testing, we have to fudge EndpointURL if present $s3Arguments = @{} $CredentialArguments.Keys | ForEach-Object { $value = $CredentialArguments[$_] if ($_ -ieq 'EndpointUrl') { $ub = [UriBuilder]$value $ub.Port = $script:localStackPorts.S3 $value = $ub.ToString() } $s3Arguments.Add($_, $value) } $bucketName = "cf-templates-pscloudformation-$(Get-CurrentRegion -CredentialArguments $s3Arguments)-$((Get-STSCallerIdentity @CredentialArguments).Account)" try { $location = Get-S3BucketLocation -BucketName $bucketName @s3Arguments | Select-Object -ExpandProperty Value Write-CloudFormationBucketTagging -BucketName $bucketName -CredentialArguments $s3Arguments if ($defaultRegionsMap.ContainsKey($location)) { $location = $defaultRegionsMap[$location] } return New-Object psobject -Property @{ BucketName = $bucketName BucketUrl = [uri]"https://s3.$($location).amazonaws.com/$bucketName" } } catch { # Bucket not found } # Try to create it $response = New-S3Bucket -BucketName $bucketName @s3Arguments if ($response) { Write-Host "Created S3 bucket $bucketName to store oversize templates." Write-CloudFormationBucketTagging -BucketName $bucketName -CredentialArguments $s3Arguments $location = Get-S3BucketLocation -BucketName $bucketName @s3Arguments | Select-Object -ExpandProperty Value if ($defaultRegionsMap.ContainsKey($location)) { $location = $defaultRegionsMap[$location] } return New-Object psobject -Property @{ BucketName = $bucketName BucketUrl = [uri]"https://s3.$($location).amazonaws.com/$bucketName" } } throw "Unable to create S3 bucket $bucketName" } |