Keywords/Do.ps1
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function Do: { <# .SYNOPSIS Runs a scriptblock using Jobs. .DESCRIPTION A Cindey Pipeline: will run each Stage: one right after the other synchronously. Each Do: Block found will create a Job so they can be run asyncronously or in Parallel. Note: Because the Do: keyword sets up jobs some may hang around in an error state if there are errors when executing. If this happens you can use the job functions in powershell to investigate and clean up. Wait-Job, Receive-Job and Remove-Job. But if you just want to clean up quickly and do a reset you can call Invoke-Cidney -Force and it will clean up all Cidney jobs. .EXAMPLE .\HelloWorld.ps1 Pipeline: HelloWorld { Stage: One { Do: { Dir C:\Windows\System32 | Where Name -match '.dll' | measure } Do: GetService { Get-Service B* } } } Invoke-Cidney HelloWorld -verbose This example will do a Dir list and count the number of dll files, and run Get-Process as separate jobs and the Stage: will complete once all jobs are finished. Notice that Get-Service finished first even when it was listed second in the code. VERBOSE: [03/06/16 4:53:39.556 PM] [Start] Pipeline HelloWorld VERBOSE: [03/06/16 4:53:39.591 PM] [Start] Stage One VERBOSE: [03/06/16 4:53:39.769 PM] [Start] Job28 VERBOSE: [03/06/16 4:53:40.021 PM] [Start] GetService VERBOSE: [03/06/16 4:53:40.150 PM] [Results] GetService Status Name DisplayName ------ ---- ----------- Running BDESVC BitLocker Drive Encryption Service Running BFE Base Filtering Engine Running BrokerInfrastru... Background Tasks Infrastructure Ser... Running Browser Computer Browser Running BthHFSrv Bluetooth Handsfree Service Running bthserv Bluetooth Support Service VERBOSE: [03/06/16 4:53:40.170 PM] [Completed] GetService VERBOSE: [03/06/16 4:53:40.496 PM] [Results] Job28 Count : 3001 Average : Sum : Maximum : Minimum : Property : VERBOSE: [03/06/16 4:53:40.499 PM] [Completed] Job28 VERBOSE: [03/06/16 4:53:40.606 PM] [Done] Stage One VERBOSE: [03/06/16 4:53:40.607 PM] [Done] Pipeline HelloWorld .LINK Pipeline: Stage: On: When: Invoke-Cidney #> [cmdletbinding(DefaultParameterSetName='ScriptBlock')] param ( [Parameter(Position = 0, ParameterSetName='Name')] [string] $Name = '', [Parameter(Position = 1, ParameterSetName='Name')] [Parameter(Position = 0, ParameterSetName='ScriptBlock')] [scriptblock] $DoBlock = $(Throw 'No Do: block provided. (Did you put the open curly brace on the next line?)'), [int] $TimeOut = [int]::MaxValue, [int] $MaxThreads, [int] $SleepTimer = 100, [string[]] $ComputerName, [string] $UserName, [pscredential] $Credential, [switch] $UseSSL, [switch] $Passthru, [Parameter(DontShow)] [hashtable] $Context ) if (-not $Context) { $Context = New-CidneyContext } $params = @{ WarningAction = 'SilentlyContinue' ScriptBlock = $DoBlock ArgumentList = $Context } if ($UserName) { $credential = Import-Clixml (Join-Path $Env:CidneyStore "$($UserName)Credentials.xml") } if ($Credential) { $params.Add('Credential', $Credential) } if ($ComputerName) { foreach($computer in $ComputerName) { $job = Start-CidneyJob -Script $DoBlock -ComputerName $computer -Context $Context -SleepTimer $SleepTimer -TimeOut $TimeOut -useSSL:$UseSSL $job.Name = "CI [Job$($Job.Id)]" if ($Name) { $job.Name += " $Name" } $job.Name += " [$computer]" Write-CidneyLog "[Start] $($job.Name)" $Context.Jobs += $job } } else { $job = Start-CidneyJob -Script $DoBlock -Context $Context -SleepTimer $sleepTimer -Timeout $TimeOut $job.Name = "CI [Job$($Job.Id)] $Name" $Context.Jobs += $job Write-CidneyLog "[Start] $($job.Name)" } if ($PassThru) { return $Context } } |