PSSubnetCarver.psm1
<#
.SYNOPSIS Import a PSSubnetCarver context from a file on disk, or from Azure blob storage. .DESCRIPTION Import a PSSubnetCarver context from a .json file either stored on disk, or stored in Azure blob storage. If in Azure blob storage, it will be downloaded via the REST API using a SAS token. .PARAMETER Path The path of the .json file that contains the stored information about the context. .PARAMETER Json The JSON of the object. .PARAMETER StorageAccountName The name of the Azure storage account. .PARAMETER ContainerName The name of the container in the Azure storage account. .PARAMETER SASToken The SAS token to use when making the REST request. .PARAMETER ContextName The name of the context to identify which .json file to download from Azure. #> function Import-SCContext { [CmdletBinding(DefaultParameterSetName = "FromFile")] Param( [Parameter(Mandatory = $true, Position = 0, ParameterSetName = "FromFile")] [ValidateScript( { if (-not (Test-Path -Path $_ -PathType Leaf)) { throw "File not found at $_" } return $true })] [string]$Path, [Parameter(Mandatory = $true, Position = 0, ParameterSetName = "FromJson")] [string]$Json, [Parameter(Mandatory = $true, Position = 0, ParameterSetName = "FromAzure")] [string]$StorageAccountName, [Parameter(Mandatory = $true, Position = 1, ParameterSetName = "FromAzure")] [string]$ContainerName, [Parameter(Mandatory = $true, Position = 2, ParameterSetName = "FromAzure")] [string]$SASToken, [Parameter(Mandatory = $false, Position = 3, ParameterSetName = "FromAzure")] [string]$ContextName = "default" ) if ($PSCmdlet.ParameterSetName -eq "FromFile") { $model = Get-Content -Path $Path -Raw -ErrorAction Stop | ConvertFrom-Json -ErrorAction Stop } elseif ($PSCmdlet.ParameterSetName -eq "FromJson") { $model = $Json | ConvertFrom-Json } elseif ($PSCmdlet.ParameterSetName -eq "FromAzure") { $fileName = "$($ContextName.ToLower()).json" $filePath = Join-Path -Path $env:TEMP -ChildPath $fileName -ErrorAction Stop $blobDownloadParams = @{ URI = "https://$($StorageAccountName).blob.core.windows.net/$($ContainerName)/$($fileName)?$($SASToken.TrimStart('?'))" Method = "GET" Headers = @{ 'x-ms-blob-type' = "BlockBlob" 'x-ms-meta-m1' = 'v1' 'x-ms-meta-m2' = 'v2' } OutFile = $filePath ErrorAction = 'Stop' } $null = Invoke-RestMethod @blobDownloadParams try { $model = Get-Content -Path $filePath | ConvertFrom-Json -ErrorAction Stop } finally { Remove-Item -LiteralPath $filePath -Force -Confirm:$false -ErrorAction SilentlyContinue } } else { Write-Error -Message "Parameter set $($PSCmdlet.ParameterSetName) has not been properly implemented." -ErrorAction Stop } Set-SCContext -Name $model.Name -RootAddressSpace $model.RootIPAddressRange -ConsumedIPRanges $model.ConsumedRanges } <# .SYNOPSIS Export a PSSubnetCarver context to disk, or to Azure blob storage. .DESCRIPTION Export a PSSubnetCarver context to a .json file, and either store it on the local disk, or in Azure blob storage. If in Azure blob storage, it will be uploaded via the REST API using a SAS token. .PARAMETER Path The path of the .json file that will contain the stored information about the context. .PARAMETER StorageAccountName The name of the Azure storage account. .PARAMETER ContainerName The name of the container in the Azure storage account. .PARAMETER SASToken The SAS token to use when making the REST request. .PARAMETER ContextName The name of the context to export. #> function Export-SCContext { [CmdletBinding(DefaultParameterSetName = "ToFile")] Param( [Parameter(Mandatory = $true, Position = 0, ParameterSetName = "ToFile")] [string]$Path, [Parameter(Mandatory = $true, Position = 0, ParameterSetName = "ToAzure")] [string]$StorageAccountName, [Parameter(Mandatory = $true, Position = 1, ParameterSetName = "ToAzure")] [string]$ContainerName, [Parameter(Mandatory = $true, Position = 2, ParameterSetName = "ToAzure")] [string]$SASToken, [Parameter(Mandatory = $false, Position = 1, ParameterSetName = "ToFile")] [Parameter(Mandatory = $false, Position = 3, ParameterSetName = "ToAzure")] [string]$ContextName = "default", [Parameter(ParameterSetName = "ToFile")] [switch]$Force ) $model = Get-SCContext -Name $ContextName -ErrorAction Stop $serialModel = [PSCustomObject]@{Name = $model.Name; RootIPAddressRange = $model.RootIPAddressRange.ToString(); ConsumedRanges = [System.Collections.ArrayList]@() } $model.ConsumedRanges | ForEach-Object -Process { $null = $serialModel.ConsumedRanges.Add($_.ToString()) } $json = $serialModel | ConvertTo-Json if ($PSCmdlet.ParameterSetName -eq "ToFile") { $json | Out-File -FilePath $Path -Force:$Force } elseif ($PSCmdlet.ParameterSetName -eq "ToAzure") { $fileName = "$($ContextName.ToLower()).json" $filePath = Join-Path -Path $env:TEMP -ChildPath $fileName -ErrorAction Stop $json | Out-File -FilePath $filePath -Force -ErrorAction Stop try { $blobUploadParams = @{ URI = "https://$($StorageAccountName).blob.core.windows.net/$($ContainerName)/$($fileName)?$($SASToken.TrimStart('?'))" Method = "PUT" Headers = @{ 'x-ms-blob-type' = "BlockBlob" 'x-ms-blob-content-disposition' = "attachment; filename=`"$($fileName)`"" 'x-ms-meta-m1' = 'v1' 'x-ms-meta-m2' = 'v2' } InFile = $filePath ErrorAction = 'Stop' } $null = Invoke-RestMethod @blobUploadParams } finally { Remove-Item -LiteralPath $filePath -Force -Confirm:$false -ErrorAction SilentlyContinue } } else { Write-Error -Message "Parameter set $($PSCmdlet.ParameterSetName) has not been properly implemented." } } |