DSCResources/MSFT_xClusterQuorum/MSFT_xClusterQuorum.psm1
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$script:resourceHelperModulePath = Join-Path -Path $PSScriptRoot -ChildPath '..\..\Modules\DscResource.Common' Import-Module -Name $script:resourceHelperModulePath $script:localizedData = Get-LocalizedData -DefaultUICulture 'en-US' <# .SYNOPSIS Returns the current state of the failover cluster quorum. .PARAMETER IsSingleInstance Specifies the resource is a single instance, the value must be 'Yes'. #> function Get-TargetResource { [CmdletBinding()] [OutputType([System.Collections.Hashtable])] param ( [Parameter(Mandatory = $true)] [ValidateSet('Yes')] [System.String] $IsSingleInstance ) Write-Verbose -Message $script:localizedData.GetClusterQuorumInformation $getClusterQuorumResult = Get-ClusterQuorum switch ($getClusterQuorumResult.QuorumType) { # WS2016 only 'Majority' { if ($null -eq $getClusterQuorumResult.QuorumResource) { $clusterQuorumType = 'NodeMajority' } elseif ($getClusterQuorumResult.QuorumResource.ResourceType.DisplayName -eq 'Physical Disk') { $clusterQuorumType = 'NodeAndDiskMajority' } elseif ($getClusterQuorumResult.QuorumResource.ResourceType.DisplayName -eq 'File Share Quorum Witness') { $clusterQuorumType = 'NodeAndFileShareMajority' } elseif ($getClusterQuorumResult.QuorumResource.ResourceType.DisplayName -eq 'Cloud Witness') { $clusterQuorumType = 'NodeAndCloudMajority' } else { throw "Unknown quorum resource: $($getClusterQuorumResult.QuorumResource)" } } # WS2012R2 only 'NodeMajority' { $clusterQuorumType = 'NodeMajority' } 'NodeAndDiskMajority' { $clusterQuorumType = 'NodeAndDiskMajority' } 'NodeAndFileShareMajority' { $clusterQuorumType = 'NodeAndFileShareMajority' } # All 'DiskOnly' { $clusterQuorumType = 'DiskOnly' } # Default default { throw "Unknown quorum type: $($getClusterQuorumResult.QuorumType)" } } if ($clusterQuorumType -eq 'NodeAndFileShareMajority') { $clusterQuorumResource = $getClusterQuorumResult.QuorumResource | Get-ClusterParameter -Name SharePath | Select-Object -ExpandProperty Value } elseif ($clusterQuorumType -eq 'NodeAndCloudMajority') { $clusterQuorumResource = $getClusterQuorumResult.QuorumResource | Get-ClusterParameter -Name AccountName | Select-Object -ExpandProperty Value } else { $clusterQuorumResource = [String] $getClusterQuorumResult.QuorumResource.Name } @{ IsSingleInstance = $IsSingleInstance Type = $clusterQuorumType Resource = $clusterQuorumResource StorageAccountAccessKey = "" # Return an empty value since we cannot retrieve the current Access Key } } <# .SYNOPSIS Configures the failover cluster quorum. .PARAMETER IsSingleInstance Specifies the resource is a single instance, the value must be 'Yes'. .PARAMETER Type Quorum type to use. Can be set to either NodeMajority, NodeAndDiskMajority, NodeAndFileShareMajority, NodeAndCloudMajority or DiskOnly. .PARAMETER Resource The name of the disk, file share or Azure storage account resource to use as witness. This parameter is optional if the quorum type is set to NodeMajority. .PARAMETER StorageAccountAccessKey The access key of the Azure storage account to use as witness. This parameter is required if the quorum type is set to NodeAndCloudMajority. The key is currently not updated if the resource is already set. #> function Set-TargetResource { [CmdletBinding()] param ( [Parameter(Mandatory = $true)] [ValidateSet('Yes')] [System.String] $IsSingleInstance, [Parameter()] [ValidateSet('NodeMajority', 'NodeAndDiskMajority', 'NodeAndFileShareMajority', 'NodeAndCloudMajority', 'DiskOnly')] [System.String] $Type, [Parameter()] [System.String] $Resource, [Parameter()] [System.String] $StorageAccountAccessKey ) Write-Verbose -Message ($script:localizedData.SetClusterQuorum -f $Type) switch ($Type) { 'NodeMajority' { Set-ClusterQuorum -NodeMajority } 'NodeAndDiskMajority' { Set-ClusterQuorum -NodeAndDiskMajority $Resource } 'NodeAndFileShareMajority' { Set-ClusterQuorum -NodeAndFileShareMajority $Resource } 'DiskOnly' { Set-ClusterQuorum -DiskOnly $Resource } 'NodeAndCloudMajority' { Set-ClusterQuorum -CloudWitness -AccountName $Resource -AccessKey $StorageAccountAccessKey } } } <# .SYNOPSIS Tests the current state of the failover cluster quorum. .PARAMETER IsSingleInstance Specifies the resource is a single instance, the value must be 'Yes'. .PARAMETER Type Quorum type to use. Can be set to either NodeMajority, NodeAndDiskMajority, NodeAndFileShareMajority, NodeAndCloudMajority or DiskOnly. .PARAMETER Resource The name of the disk, file share or Azure storage account resource to use as witness. This parameter is optional if the quorum type is set to NodeMajority. .PARAMETER StorageAccountAccessKey The access key of the Azure storage account to use as witness. This parameter is required if the quorum type is set to NodeAndCloudMajority. The key is currently not updated if the resource is already set. Not used in Test-TargetResource. #> function Test-TargetResource { [CmdletBinding()] [OutputType([Boolean])] param ( [Parameter(Mandatory = $true)] [ValidateSet('Yes')] [System.String] $IsSingleInstance, [Parameter()] [ValidateSet('NodeMajority', 'NodeAndDiskMajority', 'NodeAndFileShareMajority', 'NodeAndCloudMajority', 'DiskOnly')] [System.String] $Type, [Parameter()] [System.String] $Resource, [Parameter()] [System.String] $StorageAccountAccessKey ) Write-Verbose -Message $script:localizedData.EvaluatingClusterQuorumInformation $getGetTargetResourceResult = Get-TargetResource -IsSingleInstance $IsSingleInstance $testTargetResourceReturnValue = $false if ($getGetTargetResourceResult.Type -eq $Type -and $getGetTargetResourceResult.Resource -eq $Resource) { $testTargetResourceReturnValue = $true } $testTargetResourceReturnValue } Export-ModuleMember -Function *-TargetResource |