modules/deploy/dsc/ext/PsOrg/StackExchangeResources/DSCResources/StackExchange_NetworkAdapter/StackExchange_NetworkAdapter.psm1
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function Get-TargetResource { [OutputType([Hashtable])] param ( [parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [string] $Name, [parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [string] $Description, [parameter()] [ValidateNotNullOrEmpty()] [string] $TeamName, [parameter()] [ValidateSet('Present','Absent')] [string] $Ensure = 'Present' ) #Needs to return a hashtable that returns the current #status of the configuration component $Adapter = Get-NetAdapter -InterfaceDescription $Description if (($Adapter.Name -like $Name) -and ($Adapter.InterfaceDescription -like $Description)) { $Ensure = 'Present' } else { $Ensure = 'Absent' } $Configuration = @{ Name = $Name Ensure = $Ensure Description = $Description } return $Configuration } function Set-TargetResource { param ( [parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [string] $Name, [parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [string] $Description, [parameter()] [ValidateNotNullOrEmpty()] [string] $TeamName, [parameter()] [ValidateSet('Present','Absent')] [string] $Ensure = 'Present' ) if ($Ensure -like 'Present') { if (Test-NetAdapterName -Name $Name -Description $Description) { Write-Verbose "Adapter with $Description already named Correctly." } else { Write-Verbose "If the adapter name is already used, rename it to a temporary name." Rename-NetAdapterWithWait -Name $Name -NewName "Temp-$(Get-Random -min 1 -max 100)" Write-Verbose "Rename the network adapter." Rename-NetAdapterWithWait -Name (Get-NetAdapter -InterfaceDescription $Description).Name -NewName $Name } if (Test-NetAdapterTeamMembership -Name $Name -TeamName $TeamName) { Write-Verbose "Network adapter is correctly configured for teaming." } else { Remove-MismatchedNetLbfoTeamMember -TeamName $TeamName -Name $Name New-NetLbfoTeamMember -TeamName $TeamName -Name $Name } } else { if (Test-NetAdapterName -Name $Name -Description $Description) { Write-Verbose "Adapter should not be named $Name." Write-Verbose "renaming it to a temporary name." Rename-NetAdapterWithWait -Name $Name -NewName "Temp-$(Get-Random -min 1 -max 100)" } else { Write-Verbose "Adapter with description $Description is not named $Name." } Write-Verbose "Clearing team membership." Remove-MismatchedNetLbfoTeamMember -TeamName $TeamName -Name (Get-NetAdapter -InterfaceDescription $Description).Name -RemoveFromAll } } function Test-TargetResource { [OutputType([boolean])] param ( [parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [string] $Name, [parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [string] $Description, [parameter()] [ValidateNotNullOrEmpty()] [string] $TeamName = '', [parameter()] [ValidateSet('Present','Absent')] [string] $Ensure = 'Present' ) $IsValid = $true Write-Verbose "Checking if network adapter with $Description exists." $IsValid = (Test-NetAdapterExists -Description $Description) -and $IsValid Write-Verbose "Checking if network adapter is named correctly." $IsValid = (Test-NetAdapterName -Name $Name -Description $Description) -and $IsValid Write-Verbose "Checking if network adapter is teamed correctly." $IsValid = (Test-NetAdapterTeamMembership -TeamName $TeamName -Name $Name) -and $IsValid if ($Ensure -like 'Absent') { Write-Verbose "Adapter $Description should not have $Name." $IsValid = -not $IsValid } Write-Verbose "Network adapter status is" return $IsValid } #region Support Functions function Test-NetAdapterExists { [cmdletbinding()] param ( [string]$Description ) if (Get-NetAdapter -InterfaceDescription $Description) { Write-Verbose "Network adapter with $Description exists." return $true } else { throw "No adapter matching that description." } } function Test-NetAdapterName { [cmdletbinding()] param ( [string]$Name, [string]$Description ) $Adapter = Get-NetAdapter -Name $Name -ErrorAction SilentlyContinue if ( $Adapter | Where-Object {$_.InterfaceDescription -like $Description} ) { Write-Verbose "The Name $Name is already used by the right adapter." return $true } elseif ( $Adapter | Where-Object {$_.InterfaceDescription -notlike $Description} ) { Write-Verbose "The Name $Name is already being used by another adapter." return $false } else { Write-Verbose "The Name $Name is not in use " return $false } } function Test-NetAdapterState { param ( [string]$State, [switch]$Up, [switch]$Disconnected, [switch]$Disabled ) $ValidStates = @() if ($Up) { $ValidStates += 'Up' } if ($Disabled) { $ValidStates += 'Disabled' } if ($Disconnected) { $ValidStates += 'Disconnected' } $OFS = ', ' Write-Verbose "Valid states are $ValidStates." Write-Verbose "Current state is $state." return ($ValidStates -contains $State) } function Test-NetAdapterTeamMembership { [cmdletbinding()] param ([string]$Name, [string]$TeamName) Write-Verbose "Testing if $Name is present in NIC Team - $TeamName" $IsValid = $true $ShouldBeOnTeam = -not [string]::IsNullOrEmpty($TeamName) Write-Verbose "Checking for NIC to be present in $TeamName" $TeamMember = Get-NetLbfoTeamMember -Name $Name -ErrorAction SilentlyContinue if ($TeamMember -and $ShouldBeOnTeam) { Write-Verbose "NIC $Name is in a team - $($TeamMember.Team)." $IsValid = ($TeamMember.Team -like $TeamName) -and $IsValid } elseif ($ShouldBeOnTeam) { Write-Verbose "$Name is not in a team." $IsValid = $IsValid -and $false } elseif ($TeamMember -and (-not $ShouldBeOnTeam)) { Write-Verbose "$Name is in a team and should not be." $IsValid = $IsValid -and $false } else { Write-Verbose "$Name is not in a team and should not be." } return $IsValid } function Remove-MismatchedNetLbfoTeamMember { [cmdletbinding()] param ( [string]$Name, [string]$TeamName, [switch]$RemoveFromAll ) Get-NetLbfoTeamMember -Name $Name -ErrorAction SilentlyContinue | Where-Object { if ($RemoveFromAll) {$true} else {$_.Team -notlike $TeamName} } | ForEach-Object { $TeamMember = $_ try { Write-Verbose "Removing $Name from team $($TeamMember.team)." Remove-NetLbfoTeamMember -Name $TeamMember.name -Team $TeamMember.Team -Confirm:$false -ErrorAction Stop } catch { Write-Verbose "Failed to remove $Name from team $($TeamMember.team)." Write-Verbose "Removing team $($TeamMember.Team)." Remove-NetLbfoTeam -Name $TeamMember.Team -Confirm:$false } } } function New-NetLbfoTeamMember { [cmdletbinding()] param ( [string]$Name, [string]$TeamName ) Write-Verbose "Checking for NIC Team - $TeamName" if (Get-NetLBFOTeam -Name $TeamName -ErrorAction SilentlyContinue) { Write-Verbose "Adding NIC $Name to team $teamname." Add-NetLbfoTeamMember -Team $TeamName -Name $Name -Confirm:$false } else { Write-Verbose "Team $TeamName does not exist. Creating team with $Name." $TeamParameters = @{ LoadBalancingAlgorithm = 'TransportPorts' Name = $TeamName TeamNicName = $TeamName TeamingMode = 'SwitchIndependent' TeamMembers = $Name Confirm = $false } New-NetLbfoTeam @TeamParameters } } function Rename-NetAdapterWithWait { [cmdletbinding()] param ( $Name, $NewName ) Get-NetAdapter -Name $Name -ErrorAction SilentlyContinue | Rename-NetAdapter -NewName $NewName -Confirm:$false | ForEach-Object { while ( -not (Get-NetAdapter -Name $NewName -ErrorAction SilentlyContinue) ) { Write-Verbose "Waiting for rename of improperly named NIC to take effect." Start-Sleep -Seconds 2 } Write-Verbose "Improperly named NIC has been renamed." } } #endregion |