Refactor migration process handling and improve error logging in Start-SPMigrationGUI.ps1
This commit is contained in:
Torsten Brendgen
@@ -799,14 +799,15 @@ $script:CurrentMappingMeta = [ordered]@{
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SourceWebUrl = ""
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}
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$script:IsMigrationRunning = $false
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$script:MigrationPowerShell = $null
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$script:MigrationRunspace = $null
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$script:MigrationAsyncResult = $null
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$script:MigrationOutput = $null
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$script:MigrationProcess = $null
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$script:MigrationOutputPath = ""
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$script:MigrationParameterPath = ""
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$script:MigrationWrapperPath = ""
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$script:MigrationTimer = $null
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$script:MigrationStreamPositions = @{}
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$script:MigrationCompletedHandler = $null
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$script:MigrationActionLabel = ""
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$script:LastMigrationErrorMessage = ""
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function Get-ObjectPropertyValue {
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param(
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@@ -1048,89 +1049,146 @@ function Set-MigrationUiBusy {
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function Reset-MigrationStreamPositions {
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$script:MigrationStreamPositions = @{
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Output = 0
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Error = 0
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Warning = 0
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Verbose = 0
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Debug = 0
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Information = 0
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Output = [long]0
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}
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}
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function Write-NewPowerShellRecords {
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param(
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$Collection,
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[Parameter(Mandatory = $true)]
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[string]$PositionKey,
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[ValidateSet("INFO", "WARN", "ERROR")]
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[string]$Level = "INFO"
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function Get-MigrationHostPath {
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$windowsPowerShellCandidates = @(
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(Join-Path -Path $env:WINDIR -ChildPath "Sysnative\WindowsPowerShell\v1.0\powershell.exe"),
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(Join-Path -Path $env:WINDIR -ChildPath "System32\WindowsPowerShell\v1.0\powershell.exe")
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)
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if ($null -eq $Collection -or -not $script:MigrationStreamPositions.ContainsKey($PositionKey)) {
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foreach ($candidate in $windowsPowerShellCandidates) {
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if ([System.IO.File]::Exists($candidate)) {
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return $candidate
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}
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}
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$currentProcessPath = (Get-Process -Id $PID).Path
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if (-not [string]::IsNullOrWhiteSpace($currentProcessPath) -and [System.IO.File]::Exists($currentProcessPath)) {
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return $currentProcessPath
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}
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throw "Kein PowerShell-Host fuer die Migration gefunden."
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}
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function Get-SingleQuotedPowerShellLiteral {
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param(
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[Parameter(Mandatory = $true)]
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[string]$Value
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)
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return "'" + $Value.Replace("'", "''") + "'"
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}
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function Write-NewFileRecords {
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param(
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[string]$Path,
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[Parameter(Mandatory = $true)]
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[string]$PositionKey
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)
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if ([string]::IsNullOrWhiteSpace($Path) -or -not [System.IO.File]::Exists($Path) -or -not $script:MigrationStreamPositions.ContainsKey($PositionKey)) {
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return
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}
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while ($script:MigrationStreamPositions[$PositionKey] -lt $Collection.Count) {
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$index = [int]$script:MigrationStreamPositions[$PositionKey]
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$script:MigrationStreamPositions[$PositionKey] = $index + 1
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$fileStream = $null
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$reader = $null
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$text = $null
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try {
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$record = $Collection[$index]
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$fileStream = [System.IO.File]::Open($Path, [System.IO.FileMode]::Open, [System.IO.FileAccess]::Read, [System.IO.FileShare]::ReadWrite)
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[void]$fileStream.Seek([long]$script:MigrationStreamPositions[$PositionKey], [System.IO.SeekOrigin]::Begin)
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$reader = New-Object System.IO.StreamReader($fileStream, [System.Text.UTF8Encoding]::new($false), $true)
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$text = $reader.ReadToEnd()
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$script:MigrationStreamPositions[$PositionKey] = $fileStream.Position
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}
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catch {
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return
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}
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$text = Convert-RecordToLogText -Record $record
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if (-not [string]::IsNullOrWhiteSpace($text)) {
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Write-UILog -Message $text -Level $Level
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finally {
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if ($null -ne $reader) {
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$reader.Dispose()
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}
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elseif ($null -ne $fileStream) {
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$fileStream.Dispose()
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}
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}
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function Write-NewMigrationPowerShellRecords {
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if ($null -eq $script:MigrationPowerShell) {
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if ([string]::IsNullOrEmpty($text)) {
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return
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}
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Write-NewPowerShellRecords -Collection $script:MigrationOutput -PositionKey "Output" -Level "INFO"
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Write-NewPowerShellRecords -Collection $script:MigrationPowerShell.Streams.Warning -PositionKey "Warning" -Level "WARN"
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Write-NewPowerShellRecords -Collection $script:MigrationPowerShell.Streams.Error -PositionKey "Error" -Level "ERROR"
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Write-NewPowerShellRecords -Collection $script:MigrationPowerShell.Streams.Verbose -PositionKey "Verbose" -Level "INFO"
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Write-NewPowerShellRecords -Collection $script:MigrationPowerShell.Streams.Debug -PositionKey "Debug" -Level "INFO"
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Write-NewPowerShellRecords -Collection $script:MigrationPowerShell.Streams.Information -PositionKey "Information" -Level "INFO"
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foreach ($line in ($text -split "`r?`n")) {
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if ([string]::IsNullOrWhiteSpace($line)) {
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continue
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}
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$level = "INFO"
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$message = $line
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if ($line -match '^\[(INFO|WARN|ERROR)\]\s*(.*)$') {
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$level = $matches[1]
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$message = $matches[2]
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}
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if ([string]::IsNullOrWhiteSpace($message)) {
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continue
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}
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if ($level -eq "ERROR") {
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$script:LastMigrationErrorMessage = $message
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}
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Write-UILog -Message $message -Level $level
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}
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}
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function Write-NewMigrationProcessRecords {
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Write-NewFileRecords -Path $script:MigrationOutputPath -PositionKey "Output"
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}
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function Clear-MigrationRunState {
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if ($null -ne $script:MigrationPowerShell) {
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$script:MigrationPowerShell.Dispose()
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}
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if ($null -ne $script:MigrationRunspace) {
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$script:MigrationRunspace.Dispose()
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}
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if ($null -ne $script:MigrationOutput) {
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if ($null -ne $script:MigrationProcess) {
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try {
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$script:MigrationOutput.Dispose()
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if (-not $script:MigrationProcess.HasExited) {
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$script:MigrationProcess.Kill()
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$script:MigrationProcess.WaitForExit()
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}
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}
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catch {
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}
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$script:MigrationProcess.Dispose()
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}
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foreach ($path in @($script:MigrationWrapperPath, $script:MigrationParameterPath, $script:MigrationOutputPath)) {
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if ([string]::IsNullOrWhiteSpace($path)) {
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continue
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}
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try {
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if (Test-Path -LiteralPath $path) {
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Remove-Item -LiteralPath $path -Force -ErrorAction Stop
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}
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}
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catch {
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}
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}
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$script:MigrationPowerShell = $null
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$script:MigrationRunspace = $null
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$script:MigrationAsyncResult = $null
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$script:MigrationOutput = $null
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$script:MigrationProcess = $null
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$script:MigrationOutputPath = ""
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$script:MigrationParameterPath = ""
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$script:MigrationWrapperPath = ""
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$script:MigrationCompletedHandler = $null
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$script:MigrationActionLabel = ""
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$script:LastMigrationErrorMessage = ""
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Reset-MigrationStreamPositions
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}
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function Complete-MigrationScriptAsync {
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if ($null -eq $script:MigrationPowerShell -or $null -eq $script:MigrationAsyncResult) {
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if ($null -eq $script:MigrationProcess) {
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return
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}
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@@ -1139,18 +1197,24 @@ function Complete-MigrationScriptAsync {
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$success = $false
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$errorMessage = $null
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Write-NewMigrationPowerShellRecords
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Write-NewMigrationProcessRecords
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if (-not $script:MigrationProcess.HasExited) {
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return
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}
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try {
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[void]$script:MigrationPowerShell.EndInvoke($script:MigrationAsyncResult)
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Write-NewMigrationPowerShellRecords
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if ($script:MigrationProcess.ExitCode -eq 0) {
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$success = $true
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}
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catch {
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Write-NewMigrationPowerShellRecords
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$errorMessage = $_.Exception.Message
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else {
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$errorMessage = $script:LastMigrationErrorMessage
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if ([string]::IsNullOrWhiteSpace($errorMessage)) {
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$errorMessage = "Der Migrationsprozess wurde mit ExitCode $($script:MigrationProcess.ExitCode) beendet."
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Write-UILog -Message $errorMessage -Level "ERROR"
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}
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}
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}
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finally {
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Clear-MigrationRunState
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Set-MigrationUiBusy -IsBusy $false
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@@ -1182,9 +1246,9 @@ function Ensure-MigrationTimer {
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$script:MigrationTimer = New-Object System.Windows.Forms.Timer
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$script:MigrationTimer.Interval = 250
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$script:MigrationTimer.Add_Tick({
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Write-NewMigrationPowerShellRecords
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Write-NewMigrationProcessRecords
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if ($null -eq $script:MigrationAsyncResult -or -not $script:MigrationAsyncResult.IsCompleted) {
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if ($null -eq $script:MigrationProcess -or -not $script:MigrationProcess.HasExited) {
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return
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}
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@@ -1213,28 +1277,99 @@ function Invoke-MigrationScript {
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}
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Reset-MigrationStreamPositions
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$script:MigrationRunspace = [runspacefactory]::CreateRunspace()
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$script:MigrationRunspace.ApartmentState = [System.Threading.ApartmentState]::STA
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$script:MigrationRunspace.ThreadOptions = [System.Management.Automation.Runspaces.PSThreadOptions]::ReuseThread
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$script:MigrationRunspace.Open()
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$script:MigrationPowerShell = [powershell]::Create()
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$script:MigrationPowerShell.Runspace = $script:MigrationRunspace
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$script:MigrationOutput = [System.Management.Automation.PSDataCollection[psobject]]::new()
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$script:LastMigrationErrorMessage = ""
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$script:MigrationCompletedHandler = $OnCompleted
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$script:MigrationActionLabel = $ActionLabel
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$tempDirectory = Join-Path -Path ([System.IO.Path]::GetTempPath()) -ChildPath "StartSPMigrationGui"
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if (-not [System.IO.Directory]::Exists($tempDirectory)) {
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[System.IO.Directory]::CreateDirectory($tempDirectory) | Out-Null
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}
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$runId = [guid]::NewGuid().ToString("N")
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$parameterPath = Join-Path -Path $tempDirectory -ChildPath ("migration-parameters-{0}.clixml" -f $runId)
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$outputPath = Join-Path -Path $tempDirectory -ChildPath ("migration-output-{0}.log" -f $runId)
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$wrapperPath = Join-Path -Path $tempDirectory -ChildPath ("migration-runner-{0}.ps1" -f $runId)
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try {
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[void]$script:MigrationPowerShell.AddCommand($script:MigrationScriptPath)
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[void]$script:MigrationPowerShell.AddParameters($Parameters)
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Export-Clixml -LiteralPath $parameterPath -InputObject $Parameters
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[System.IO.File]::WriteAllText($outputPath, "", [System.Text.UTF8Encoding]::new($false))
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$wrapperContent = @"
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`$ErrorActionPreference = 'Stop'
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`$parameters = Import-Clixml -LiteralPath $(Get-SingleQuotedPowerShellLiteral -Value $parameterPath)
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`$logPath = $(Get-SingleQuotedPowerShellLiteral -Value $outputPath)
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`$logDirectory = [System.IO.Path]::GetDirectoryName(`$logPath)
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if (-not [System.IO.Directory]::Exists(`$logDirectory)) {
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[System.IO.Directory]::CreateDirectory(`$logDirectory) | Out-Null
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}
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`$script:LogWriter = [System.IO.StreamWriter]::new(`$logPath, `$true, [System.Text.UTF8Encoding]::new(`$false))
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`$script:LogWriter.AutoFlush = `$true
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function Write-RunnerLog {
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param(
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[Parameter(Mandatory = `$true)]
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[ValidateSet('INFO', 'WARN', 'ERROR')]
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[string]`$Level,
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[string]`$Message
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)
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if ([string]::IsNullOrWhiteSpace(`$Message)) {
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return
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}
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`$script:LogWriter.WriteLine(('[{0}] {1}' -f `$Level, `$Message))
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}
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try {
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& $(Get-SingleQuotedPowerShellLiteral -Value $script:MigrationScriptPath) @parameters *>&1 | ForEach-Object {
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`$level = switch (`$_.GetType().FullName) {
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'System.Management.Automation.ErrorRecord' { 'ERROR'; break }
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'System.Management.Automation.WarningRecord' { 'WARN'; break }
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default { 'INFO' }
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}
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Write-RunnerLog -Level `$level -Message ([string]`$_)
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}
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exit 0
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}
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catch {
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Write-RunnerLog -Level 'ERROR' -Message `$_.Exception.Message
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exit 1
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}
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finally {
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if (`$null -ne `$script:LogWriter) {
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`$script:LogWriter.Dispose()
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}
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}
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"@
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Set-Content -LiteralPath $wrapperPath -Value $wrapperContent -Encoding UTF8
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$hostPath = Get-MigrationHostPath
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$processStartInfo = New-Object System.Diagnostics.ProcessStartInfo
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$processStartInfo.FileName = $hostPath
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$processStartInfo.Arguments = ('-NoProfile -ExecutionPolicy Bypass -File "{0}"' -f $wrapperPath.Replace('"', '""'))
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$processStartInfo.WorkingDirectory = Split-Path -Path $script:MigrationScriptPath -Parent
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$processStartInfo.UseShellExecute = $false
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$processStartInfo.CreateNoWindow = $true
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$script:MigrationProcess = New-Object System.Diagnostics.Process
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$script:MigrationProcess.StartInfo = $processStartInfo
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if (-not $script:MigrationProcess.Start()) {
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throw "Der Migrationsprozess konnte nicht gestartet werden."
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}
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$script:MigrationOutputPath = $outputPath
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$script:MigrationParameterPath = $parameterPath
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$script:MigrationWrapperPath = $wrapperPath
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Set-MigrationUiBusy -IsBusy $true
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Write-UILog -Message ("Starte {0}..." -f $ActionLabel)
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$inputCollection = [System.Management.Automation.PSDataCollection[psobject]]::new()
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$inputCollection.Complete()
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$script:MigrationAsyncResult = $script:MigrationPowerShell.BeginInvoke($inputCollection, $script:MigrationOutput)
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Ensure-MigrationTimer
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$script:MigrationTimer.Start()
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}
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@@ -2787,3 +2922,4 @@ if ($NoGui.IsPresent) {
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}
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$formBuilder.Show()
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