Packer.Images/scripts/ADDS/payload/scripts/08.DHCP failover.ps1

42 lines
1.6 KiB
PowerShell

#Requires -Modules 'DhcpServer'
Param(
[Parameter(Mandatory)]
[hashtable]$Parameter
)
# Only executed on secondary Domain Controller
If ($Parameter['deployment.type'] -eq 'secondary') {
# Wait for secondary DHCP server to be registered in DNS
$Timestamp, $TimeoutMinutes = (Get-Date), 5
Do {
If ($Timestamp.AddMinutes($TimeoutMinutes) -lt (Get-Date)) {
$WriteEventLogSplat = @{
LogName = 'Application'
Source = 'OVF-Properties'
EntryType = 'Warning'
EventID = 13
Message = "Timeout after $($TimeoutMinutes) minutes waiting for secondary Domain Controller to be registered in DNS."
}
Write-EventLog @WriteEventLogSplat
Break
}
Start-Sleep -Seconds 5
} Until ((Get-DhcpServerInDC).Count -gt 1)
$NewCimSessionSplat = @{
Credential = New-Object System.Management.Automation.PSCredential(
(Get-ADUser -Filter * | Where-Object {$_.SID -match '-500'}).SamAccountName,
(ConvertTo-SecureString $Parameter['addsconfig.administratorpw'] -AsPlainText -Force)
)
}
$AddDhcpServerv4FailoverSplat = @{
Name = 'Failover #42'
PartnerServer = (Get-DhcpServerInDC).DnsName | Where-Object {$_ -ne "$($Parameter['guestinfo.hostname']).$($Parameter['addsconfig.domainname'])"}
ServerRole = 'Active'
ScopeId = (Get-DhcpServerv4Scope).ScopeId.IPAddressToString
CimSession = New-CimSession @NewCimSessionSplat
}
Add-DhcpServerv4Failover @AddDhcpServerv4FailoverSplat
}