Subversion Repositories DevTools

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5288 dpurdie 1 
<#
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.SYNOPSIS
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This Powershell script will create a Master and Slave Repos
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.DESCRIPTION
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	This Powershell script will create a Master and Slave Repos
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	It will
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		Create the Master on the current machine
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            Copy Global Hooks into the new Repo
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        Create Slaves
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            Copy Global Hooks into the new slaves
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.PARAMETER  Repo
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Name of the Repo to create
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.PARAMETER	Slaves
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A list of Slave servers that are a part of the subversion network
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These will be reconfigured to communicate with the new master
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If none are provided then only the Master Repo will be created
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.EXAMPLE
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CreateRepo.ps1 -Slave auawssvn01,cloudasvn03
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.NOTES
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Uses a number of cmdlets provided by VisualSVN.
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#>
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#
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Param
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(
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    [ parameter (Mandatory=$true,
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	             HelpMessage="Enter the name of the new Repository")]
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    [string] $Repo,
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    [ parameter () ]
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    [string[]] $Slaves
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)
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#
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#   Get information on the current SVN server
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#
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function GetSvnInfo()
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{
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    $repoData = Get-CimInstance -Namespace "root\VisualSVN" -ClassName VisualSVN_Service
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    Return $RepoData
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}
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#
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#   Get information on a named repo
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function GetRepoInfo( $repoName )
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{
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    $repoData = Get-CimInstance -Namespace "root\VisualSVN" -ClassName VisualSVN_Repository | Where { $_.Name -eq $repoName }
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    Return $RepoData
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}
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#
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#   Get information on a named repo on the named Computer
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function GetRemoteRepoInfo( $repoName, $ComputerName )
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{
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    $repoData = Get-CimInstance -Namespace "root\VisualSVN" -ClassName VisualSVN_Repository -ComputerName $ComputerName | Where { $_.Name -eq $repoName }
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    Return $RepoData
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}
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#
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# Convert Absolute Path to UNC on a named computer
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#
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Function AbsToUnc( $ComputerName, $absPath )
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{
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    return '\\' + $ComputerName + '\' + $absPath.Replace(":","$")
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}
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#
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# Determine the root of the Repositores
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$SvnInfo = GetSvnInfo
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if ($SvnInfo -eq $null)
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{
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    Write-Error 'Cannot get VisualSVN info'
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    Exit
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}
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# Validate the Repo Root
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$repoRoot = $SvnInfo.RepositoriesRoot
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If (!(Test-Path $repoRoot))
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{
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    Write-Error 'RepositoriesRoot - Does not exist'
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    Exit
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}
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#
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# Ensure the named repo does not exist
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#
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$RepoData = Get-SvnRepository -Name $Repo -ErrorAction SilentlyContinue
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If ( $RepoData )
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{
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    Write-Host "Repository ($Repo) already exists"
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    Return
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}
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#
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# Create the Master Repo
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#
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Write-Host 'Creating Master Repository'
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$RepoData = New-SvnRepository -Name $Repo -Type VdfsMaster
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#
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# Copy in global hooks
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#
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Write-Host 'Transfer Global Hooks'
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$RepoInfo = GetRepoInfo $Repo
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$HookSrc = $repoRoot
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$hookPath = $RepoInfo.Path  + '/hooks'
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$HookFileCount = 0
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Get-ChildItem $HookSrc -Filter '*.cmd' | ForEach-Object {
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    $srcFile = $_.Name
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    Copy-Item $_.FullName -Destination $hookPath
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    $HookFileCount++
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}
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Write-Host "Hook Files Copied: $HookFileCount"
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#
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# Create Slaves too
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#
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If ( $Slaves )
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{
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    #Write-Host $Slaves
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    #
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    # Add Slave list to the Master
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    #
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    $Replicators = $Slaves |  ForEach-Object { $_ + '$' }
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    Set-SvnRepositoryReplication $Repo -Replicators $Replicators -Enabled:$true
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    $Slaves | ForEach-Object {
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        Write-Host "Creating Slave Repository $_"
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        $NewRepo = New-SvnRepository $Repo -MasterServer $env:COMPUTERNAME -Type VdfsSlave -CimSession $_
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        #
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        # Copy Hooks to the Slave
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        #
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        # Get target Repo Information
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        #     Want the path to the hooks directory
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        #
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        $targetRepo = GetRemoteRepoInfo $Repo $_
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        $hookPath = $targetRepo.Path  + '\hooks'
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        $hookPathUnc = AbsToUnc $_  $hookPath
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        #
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        # Copy files to Remote Computer
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        #
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        #Write-Host "Hooks Found", $hookPathUnc
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        $HookFileCount = 0
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        Get-ChildItem $HookSrc -Filter '*.cmd' | ForEach-Object {
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            $srcFile = $_.Name
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            Copy-Item $_.FullName -Destination $hookPathUnc
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            $HookFileCount++
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        }
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        Write-Host "Hook Files Copied: $HookFileCount"
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    }
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}
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