functions/invoke-d365azurestoragedownload.ps1
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<#
.SYNOPSIS Download a file to Azure .DESCRIPTION Download any file to an Azure Storage Account .PARAMETER AccountId Storage Account Name / Storage Account Id where you want to fetch the file from .PARAMETER AccessToken The token that has the needed permissions for the download action .PARAMETER Blobname Name of the container / blog inside the storage account you where the file is .PARAMETER FileName Name of the file that you want to download .PARAMETER Path Path to the folder / location you want to save the file .PARAMETER GetLatest Switch to tell the cmdlet just to download the latest file from Azure regardless of name .EXAMPLE Invoke-D365AzureStorageDownload -AccountId "miscfiles" -AccessToken "xx508xx63817x752xx74004x30705xx92x58349x5x78f5xx34xxxxx51" -Blobname "backupfiles" -FileName "OriginalUAT.bacpac" -Path "c:\temp" Will download the "OriginalUAT.bacpac" file from the storage account and save it to "c:\temp\OriginalUAT.bacpac" .EXAMPLE Invoke-D365AzureStorageDownload -AccountId "miscfiles" -AccessToken "xx508xx63817x752xx74004x30705xx92x58349x5x78f5xx34xxxxx51" -Blobname "backupfiles" -Path "c:\temp" -GetLatest Will download the file with the latest modified datetime from the storage account and save it to "c:\temp\". The complete path to the file will returned as output from the cmdlet. .EXAMPLE $AzureParams = Get-D365ActiveAzureStorageConfig Invoke-D365AzureStorageDownload @AzureParams -Path "c:\temp" -GetLatest This will get the current Azure Storage Account configuration details and use them as parameters to download the latest file from an Azure Storage Account Will download the file with the latest modified datetime from the storage account and save it to "c:\temp\". The complete path to the file will returned as output from the cmdlet. .NOTES The cmdlet supports piping and can be used in advanced scenarios. See more on github and the wiki pages. #> function Invoke-D365AzureStorageDownload { [CmdletBinding(DefaultParameterSetName = 'Default')] param ( [Parameter(Mandatory = $false, Position = 1 )] [string] $AccountId = $Script:AccountId, [Parameter(Mandatory = $false, Position = 2 )] [string] $AccessToken = $Script:AccessToken, [Parameter(Mandatory = $false, Position = 3 )] [string] $Blobname = $Script:Blobname, [Parameter(Mandatory = $true, ParameterSetName = 'Default', ValueFromPipelineByPropertyName = $true, Position = 4 )] [Alias('Name')] [string] $FileName, [Parameter(Mandatory = $true, Position = 5 )] [string] $Path, [Parameter(Mandatory = $true, ParameterSetName = 'Latest', Position = 4 )] [switch] $GetLatest ) BEGIN { if ((Test-Path -Path $Path) -eq $false) { $null = New-Item -ItemType directory -Path $Path } if ( ([string]::IsNullOrEmpty($AccountId) -eq $true) -or ([string]::IsNullOrEmpty($AccessToken)) -or ([string]::IsNullOrEmpty($Blobname))) { Write-PSFMessage -Level Host -Message "It seems that you are missing some of the parameters. Please make sure that you either supplied them or have the right configuration saved." Stop-PSFFunction -Message "Stopping because of missing parameters" return } } PROCESS { if (Test-PSFFunctionInterrupt) {return} Invoke-TimeSignal -Start $storageContext = new-AzureStorageContext -StorageAccountName $AccountId -StorageAccountKey $AccessToken $cloudStorageAccount = [Microsoft.WindowsAzure.Storage.CloudStorageAccount]::Parse($storageContext.ConnectionString) $blobClient = $cloudStorageAccount.CreateCloudBlobClient() $blobcontainer = $blobClient.GetContainerReference($Blobname); try { if ($GetLatest.IsPresent) { $files = $blobcontainer.ListBlobs() $File = ($files | Sort-Object -Descending { $_.Properties.LastModified } | Select-Object -First 1) $NewFile = Join-Path $Path $($File.Name) $File.DownloadToFile($NewFile, [System.IO.FileMode]::Create) } else { $NewFile = Join-Path $Path $FileName $blockBlob = $blobcontainer.GetBlockBlobReference($FileName); $blockBlob.DownloadToFile($NewFile, [System.IO.FileMode]::Create) } [PSCustomObject]@{ File = $NewFile Filename = $FileName } } catch { Write-PSFMessage -Level Host -Message "Something went wrong while downloading the file from Azure" -Exception $PSItem.Exception Stop-PSFFunction -Message "Stopping because of errors" return } finally { Invoke-TimeSignal -End } } END {} } |