VstsTaskSdk.psm1
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[CmdletBinding()] param( [ValidateNotNull()] [Parameter()] [hashtable]$ModuleParameters = @{ }) if ($host.Name -ne 'ConsoleHost') { Write-Warning "VstsTaskSdk is designed for use with powershell.exe (ConsoleHost). Output may be different when used with other hosts." } # Private module variables. [bool]$script:nonInteractive = "$($ModuleParameters['NonInteractive'])" -eq 'true' Write-Verbose "NonInteractive: $script:nonInteractive" # VstsTaskSdk.dll contains the TerminationException and NativeMethods for handle long path # We used to do inline C# in this powershell module # However when csc compile the inline C#, it will hit process env block size limit since it's not use unicode to encode env # To solve the env block size problem, we choose to put all inline C# into an assembly VstsTaskSdk.dll, signing it, package with the PS modules. Write-Verbose "Loading compiled helper $PSScriptRoot\VstsTaskSdk.dll." Add-Type -LiteralPath $PSScriptRoot\VstsTaskSdk.dll # Import/export functions. . "$PSScriptRoot\FindFunctions.ps1" . "$PSScriptRoot\InputFunctions.ps1" . "$PSScriptRoot\LegacyFindFunctions.ps1" . "$PSScriptRoot\LocalizationFunctions.ps1" . "$PSScriptRoot\LoggingCommandFunctions.ps1" . "$PSScriptRoot\LongPathFunctions.ps1" . "$PSScriptRoot\ServerOMFunctions.ps1" . "$PSScriptRoot\ToolFunctions.ps1" . "$PSScriptRoot\TraceFunctions.ps1" . "$PSScriptRoot\OutFunctions.ps1" # Load the out functions after all of the other functions are loaded. Export-ModuleMember -Function @( # Find functions. 'Find-Match' 'New-FindOptions' 'New-MatchOptions' 'Select-Match' # Input functions. 'Get-Endpoint' 'Get-Input' 'Get-TaskVariable' 'Get-TaskVariableInfo' 'Set-TaskVariable' # Legacy find functions. 'Find-Files' # Localization functions. 'Get-LocString' 'Import-LocStrings' # Logging command functions. 'Write-AddAttachment' 'Write-AddBuildTag' 'Write-AssociateArtifact' 'Write-LogDetail' 'Write-SetProgress' 'Write-SetResult' 'Write-SetSecret' 'Write-SetVariable' 'Write-TaskDebug' 'Write-TaskError' 'Write-TaskVerbose' 'Write-TaskWarning' 'Write-UpdateBuildNumber' 'Write-UploadArtifact' 'Write-UploadBuildLog' # Out functions. 'Out-Default' # Server OM functions. 'Get-AssemblyReference' 'Get-TfsClientCredentials' 'Get-TfsService' 'Get-VssCredentials' 'Get-VssHttpClient' # Tool functions. 'Assert-Agent' 'Assert-Path' 'Invoke-Tool' # Trace functions. 'Trace-EnteringInvocation' 'Trace-LeavingInvocation' 'Trace-Path' ) # Override Out-Default globally. $null = New-Item -Force -Path "function:\global:Out-Default" -Value (Get-Command -CommandType Function -Name Out-Default -ListImported) New-Alias -Name Out-Default -Value "global:Out-Default" -Scope global # Perform some initialization in a script block to enable merging the pipelines. $scriptText = @" # Load the SDK resource strings. Import-LocStrings "$PSScriptRoot\lib.json" # Load the module that contains ConvertTo-SecureString. if (!(Get-Module -Name Microsoft.PowerShell.Security)) { Write-Verbose "Importing the module 'Microsoft.PowerShell.Security'." Import-Module -Name Microsoft.PowerShell.Security 2>&1 | ForEach-Object { if (`$_ -is [System.Management.Automation.ErrorRecord]) { Write-Verbose `$_.Exception.Message } else { ,`$_ } } } "@ . ([scriptblock]::Create($scriptText)) 2>&1 3>&1 4>&1 5>&1 | Out-Default # Create Invoke-VstsTaskScript in a special way so it is not bound to the module. # Otherwise calling the task script block would run within the module context. # # An alternative way to solve the problem is to close the script block (i.e. closure). # However, that introduces a different problem. Closed script blocks are created within # a dynamic module. Each module gets it's own session state separate from the global # session state. When running in a regular script context, Import-Module calls import # the target module into the global session state. When running in a module context, # Import-Module calls import the target module into the caller module's session state. # # The goal of a task may include executing ad-hoc scripts. Therefore, task scripts # should run in regular script context. The end user specifying an ad-hoc script expects # the module import rules to be consistent with the default behavior (i.e. imported # into the global session state). $null = New-Item -Force -Path "function:\global:Invoke-VstsTaskScript" -Value ([scriptblock]::Create(@' [CmdletBinding()] param( [Parameter(Mandatory = $true)] [scriptblock]$ScriptBlock) try { $global:ErrorActionPreference = 'Stop' # Initialize the environment. $vstsModule = Get-Module -Name VstsTaskSdk Write-Verbose "$($vstsModule.Name) $($vstsModule.Version) commit $($vstsModule.PrivateData.PSData.CommitHash)" 4>&1 | Out-Default & $vstsModule Initialize-Inputs 4>&1 | Out-Default # Remove the local variable before calling the user's script. Remove-Variable -Name vstsModule # Call the user's script. $ScriptBlock | ForEach-Object { # Remove the scriptblock variable before calling it. Remove-Variable -Name ScriptBlock & $_ 2>&1 3>&1 4>&1 5>&1 | Out-Default } } catch [VstsTaskSdk.TerminationException] { # Special internal exception type to control the flow. Not currently intended # for public usage and subject to change. $global:__vstsNoOverrideVerbose = '' Write-Verbose "Task script terminated." 4>&1 | Out-Default } catch { $global:__vstsNoOverrideVerbose = '' Write-Verbose "Caught exception from task script." 4>&1 | Out-Default $_ | Out-Default Write-Host "##vso[task.complete result=Failed]" } '@)) |