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##########################################################
# #
# Script PowerShell v4.0 #
# Library Pull Configuration #
# #
# Name : Library Pull Configuration.ps1 #
# Author : Florian Alikoff #
# Date : 10/02/2014 #
# #
##########################################################
##################################################################
# Functions #
##################################################################
Function Get-ComputerGuid {
<#
.SYNOPSIS
Retrieve GUID for a specific AD computer.
.DESCRIPTION
Retrieve GUID for a specific AD computer using a computer name (samaccountname).
.PARAMETER ComputerName
Computer name
.EXAMPLE
Get-ComputerGuid -ComputerName "Server01"
Description
-----------
This script retrieve the GUID attribute of a computer in Active Directory using his samaccountname.
#>
param(
[Parameter(Mandatory=$true)]
[string]$ComputerName
)
Process {
([guid]([adsisearcher]"(samaccountname=$ComputerName`$)").FindOne().Properties["objectguid"][0]).Guid
}
}
Function Get-ClientComputer {
<#
.SYNOPSIS
Retrieve computer with adsisearcher (you don't need to have Active Directory Powershell Module).
.DESCRIPTION
Retrieve computer with adsisearcher (you don't need to have Active Directory Powershell Module).
You can filter by a specific organizational unit or by a group.
.PARAMETER Filter
Organizational unit or AD group name
.PARAMETER SearchIn
Filter type : OU or Group
.EXAMPLE
Get-ClientComputer -Filter "Pull Clients" -SearchIn "Group"
Description
-----------
Retrieve computer with adsisearcher (you don't need to have Active Directory Powershell Module).
You can filter by a specific organizational unit or by a group. if there is multiple OU with the same name,
it retrieves all computers in each OU. Return computer name.
#>
param(
[Parameter(Mandatory=$true)]
[string]$Filter,
[Parameter(Mandatory=$true)]
[ValidateSet("OU", "Group")]
[string]$SearchIn
)
Process {
if($SearchIn -eq "OU"){
[Array]$Result = @()
try{
$OUs = ([adsisearcher]"(&(ObjectCategory=OrganizationalUnit)(Name=$Filter))").FindAll()
ForEach($OU in $OUs.Path){
$Root = [ADSI]"$OU"
$Search = [adsisearcher]$Root
$Search.Filter = "ObjectCategory=Computer"
$Result += $Search.FindAll()
}
}catch{
Write-Host "Invalid organizational unit."
}
}else{
$Group = ([adsisearcher]"(&(ObjectClass=Group)(Name=$Filter))").FindOne()
$Result = ($Group.Properties["member"] | select @{Name="ADObject";Expression={([adsisearcher]"(distinguishedname=$_)").FindOne()}} | Where-Object {$_.ADObject.Properties["ObjectClass"] -contains "computer"}).ADObject
}
return $Result.Properties.name
}
}
function New-FileChecksum {
<#
.SYNOPSIS
Get hash from a file, then write this hash into a file with the same name (add the extension .checksum).
.DESCRIPTION
Get hash from a file, then write this hash into a file with the same name (add the extension .checksum).
.PARAMETER FilePath
Organizational unit or AD group name
.EXAMPLE
New-FileChecksum -FilePath "C:\Data\Test.mof"
Description
-----------
Get hash from "C:\Data\Test.mof", then write this hash into a file with the same name (add the extension .checksum), eg : "C:\Data\Test.mof.checksum".
#>
param(
[Parameter(Mandatory=$true)]
[String[]] $FilePath
)
Process {
$HashMOF = (Get-FileHash $FilePath).hash
[System.IO.File]::WriteAllText("$FilePath.checksum",$HashMOF)
}
}
Configuration LocalConfigurationManager {
<#
.SYNOPSIS
Generate pull configuration for LocalConfigurationManager ressource for specific computers.
.DESCRIPTION
Generate pull configuration for LocalConfigurationManager ressource for specific computers.
.PARAMETER Computers
Computer name list
.PARAMETER PullServer
Name of the pull server
.PARAMETER PullShare
Name of the share on pull server containing MOF file
.PARAMETER ConfigurationFolder
Name of the sub folder on Pull share containing MOF file
.PARAMETER ConfigurationModeFrequencyMins
Frequency between two configuration conformity check (in minutes)
.PARAMETER RefreshFrequencyMins
Frequency between two refresh of configuration file in minutes (check on pull server)
.EXAMPLE
LocalConfigurationManager -OutputPath "C:\Configuration" -Computers @(Server01,Server02) -PullServer "ServerPULL01" -PullShare "DSC" `
-ConfigurationFolder "LCM" -RefreshFrequencyMins 30 -ConfigurationModeFrequencyMins 45
Description
-----------
Generate pull configuration for LocalConfigurationManager ressource for specific computers. Local configuration manager will be configured to retrieve
configuration on \\ServerPULL01\DSC\Configuration\ every 30 minutes and check configuration every 45 minutes.
#>
param(
[Parameter(Mandatory=$true)]
[String[]] $Computers,
[Parameter(Mandatory=$true)]
[String] $PullServer,
[Parameter(Mandatory=$true)]
[String] $PullShare,
[Parameter(Mandatory=$true)]
[String] $ConfigurationFolder,
[Parameter(Mandatory=$true)]
[int] $ConfigurationModeFrequencyMins,
[Parameter(Mandatory=$true)]
[int] $RefreshFrequencyMins
)
ForEach($Computer in $Computers){
Node $Computer {
LocalConfigurationManager {
ConfigurationID = (Get-ComputerGuid $Computer)
ConfigurationMode="ApplyandAutoCorrect"
ConfigurationModeFrequencyMins = $ConfigurationModeFrequencyMins
RebootNodeIfNeeded = $True
RefreshFrequencyMins = $RefreshFrequencyMins
RefreshMode = "PULL"
AllowModuleOverwrite = $True
DownloadManagerName = "DSCFileDownloadManager"
DownloadManagerCustomData = (@{SourcePath ="\\$PullServer\$PullShare\$ConfigurationFolder"})
}
}
}
}
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