DSCResources/MSFT_xExchDatabaseAvailabilityGroup/MSFT_xExchDatabaseAvailabilityGroup.psm1
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function Get-TargetResource { [CmdletBinding()] [OutputType([System.Collections.Hashtable])] param ( [parameter(Mandatory = $true)] [System.String] $Name, [parameter(Mandatory = $true)] [System.Management.Automation.PSCredential] $Credential, [parameter(Mandatory = $true)] [System.Int32] $AutoDagTotalNumberOfServers, [System.String] $AlternateWitnessDirectory, [System.String] $AlternateWitnessServer, [System.Boolean] $AutoDagAutoReseedEnabled, [System.Int32] $AutoDagDatabaseCopiesPerDatabase, [System.Int32] $AutoDagDatabaseCopiesPerVolume, [System.String] $AutoDagDatabasesRootFolderPath, [System.Boolean] $AutoDagDiskReclaimerEnabled, [System.Int32] $AutoDagTotalNumberOfDatabases, [System.String] $AutoDagVolumesRootFolderPath, [System.String[]] $DatabaseAvailabilityGroupIpAddresses, [ValidateSet("Off","DagOnly")] [System.String] $DatacenterActivationMode, [System.String] $DomainController, [System.Boolean] $ManualDagNetworkConfiguration, [ValidateSet("Disabled","Enabled","InterSubnetOnly","SeedOnly")] [System.String] $NetworkCompression, [ValidateSet("Disabled","Enabled","InterSubnetOnly","SeedOnly")] [System.String] $NetworkEncryption, [System.Boolean] $ReplayLagManagerEnabled, [System.UInt16] $ReplicationPort, [System.Boolean] $SkipDagValidation, [System.String] $WitnessDirectory, [System.String] $WitnessServer ) #Load helper module Import-Module "$((Get-Item -LiteralPath "$($PSScriptRoot)").Parent.Parent.FullName)\Misc\xExchangeCommon.psm1" -Verbose:0 LogFunctionEntry -Parameters @{"Name" = $Name} -VerbosePreference $VerbosePreference #Establish remote Powershell session GetRemoteExchangeSession -Credential $Credential -CommandsToLoad "Get-DatabaseAvailabilityGroup" -VerbosePreference $VerbosePreference $dag = GetDatabaseAvailabilityGroup @PSBoundParameters if ($dag -ne $null) { $returnValue = @{ Name = $Name AlternateWitnessDirectory = $dag.AlternateWitnessDirectory AlternateWitnessServer = $dag.AlternateWitnessServer AutoDagAutoReseedEnabled = $dag.AutoDagAutoReseedEnabled AutoDagDatabaseCopiesPerDatabase = $dag.AutoDagDatabaseCopiesPerDatabase AutoDagDatabaseCopiesPerVolume = $dag.AutoDagDatabaseCopiesPerVolume AutoDagDatabasesRootFolderPath = $dag.AutoDagDatabasesRootFolderPath AutoDagDiskReclaimerEnabled = $dag.AutoDagDiskReclaimerEnabled AutoDagTotalNumberOfDatabases = $dag.AutoDagTotalNumberOfDatabases AutoDagTotalNumberOfServers = $dag.AutoDagTotalNumberOfServers AutoDagVolumesRootFolderPath = $dag.AutoDagVolumesRootFolderPath DatabaseAvailabilityGroupIpAddresses = $dag.DatabaseAvailabilityGroupIpAddresses DatacenterActivationMode = $dag.DatacenterActivationMode ManualDagNetworkConfiguration = $dag.ManualDagNetworkConfiguration NetworkCompression = $dag.NetworkCompression NetworkEncryption = $dag.NetworkEncryption ReplayLagManagerEnabled = $dag.ReplayLagManagerEnabled ReplicationPort = $dag.ReplicationPort WitnessDirectory = $dag.WitnessDirectory WitnessServer = $dag.WitnessServer } } $returnValue } function Set-TargetResource { [CmdletBinding()] param ( [parameter(Mandatory = $true)] [System.String] $Name, [parameter(Mandatory = $true)] [System.Management.Automation.PSCredential] $Credential, [parameter(Mandatory = $true)] [System.Int32] $AutoDagTotalNumberOfServers, [System.String] $AlternateWitnessDirectory, [System.String] $AlternateWitnessServer, [System.Boolean] $AutoDagAutoReseedEnabled, [System.Int32] $AutoDagDatabaseCopiesPerDatabase, [System.Int32] $AutoDagDatabaseCopiesPerVolume, [System.String] $AutoDagDatabasesRootFolderPath, [System.Boolean] $AutoDagDiskReclaimerEnabled, [System.Int32] $AutoDagTotalNumberOfDatabases, [System.String] $AutoDagVolumesRootFolderPath, [System.String[]] $DatabaseAvailabilityGroupIpAddresses, [ValidateSet("Off","DagOnly")] [System.String] $DatacenterActivationMode, [System.String] $DomainController, [System.Boolean] $ManualDagNetworkConfiguration, [ValidateSet("Disabled","Enabled","InterSubnetOnly","SeedOnly")] [System.String] $NetworkCompression, [ValidateSet("Disabled","Enabled","InterSubnetOnly","SeedOnly")] [System.String] $NetworkEncryption, [System.Boolean] $ReplayLagManagerEnabled, [System.UInt16] $ReplicationPort, [System.Boolean] $SkipDagValidation, [System.String] $WitnessDirectory, [System.String] $WitnessServer ) #Load helper module Import-Module "$((Get-Item -LiteralPath "$($PSScriptRoot)").Parent.Parent.FullName)\Misc\xExchangeCommon.psm1" -Verbose:0 LogFunctionEntry -Parameters @{"Name" = $Name} -VerbosePreference $VerbosePreference #Establish remote Powershell session GetRemoteExchangeSession -Credential $Credential -CommandsToLoad "Get-DatabaseAvailabilityGroup","Set-DatabaseAvailabilityGroup","New-DatabaseAvailabilityGroup" -VerbosePreference $VerbosePreference SetEmptyStringParamsToNull -PSBoundParametersIn $PSBoundParameters $dag = GetDatabaseAvailabilityGroup @PSBoundParameters #We need to create the DAG if ($dag -eq $null) { #Create a copy of the original parameters $originalPSBoundParameters = @{} + $PSBoundParameters #Remove parameters that don't exist in New-DatabaseAvailabilityGroup RemoveParameters -PSBoundParametersIn $PSBoundParameters -ParamsToKeep "Name","DatabaseAvailabilityGroupIpAddresses","WitnessDirectory","WitnessServer","DomainController" #Create the DAG $dag = New-DatabaseAvailabilityGroup @PSBoundParameters if ($dag -ne $null) { #Add original props back AddParameters -PSBoundParametersIn $PSBoundParameters -ParamsToAdd $originalPSBoundParameters } else { throw "Failed to create new DAG." } } #Modify existing DAG if ($dag -ne $null) { #convert Name to Identity, and Remove Credential AddParameters -PSBoundParametersIn $PSBoundParameters -ParamsToAdd @{"Identity" = $PSBoundParameters["Name"]} RemoveParameters -PSBoundParametersIn $PSBoundParameters -ParamsToRemove "Name","Credential" #If not all members are in DAG yet, remove params that require them to be if ($dag.Servers.Count -lt $AutoDagTotalNumberOfServers) { if ($PSBoundParameters.ContainsKey("DatacenterActivationMode") -and $DatacenterActivationMode -like "DagOnly") { RemoveParameters -PSBoundParametersIn $PSBoundParameters -ParamsToRemove "DatacenterActivationMode" } } Set-DatabaseAvailabilityGroup @PSBoundParameters } } function Test-TargetResource { [CmdletBinding()] [OutputType([System.Boolean])] param ( [parameter(Mandatory = $true)] [System.String] $Name, [parameter(Mandatory = $true)] [System.Management.Automation.PSCredential] $Credential, [parameter(Mandatory = $true)] [System.Int32] $AutoDagTotalNumberOfServers, [System.String] $AlternateWitnessDirectory, [System.String] $AlternateWitnessServer, [System.Boolean] $AutoDagAutoReseedEnabled, [System.Int32] $AutoDagDatabaseCopiesPerDatabase, [System.Int32] $AutoDagDatabaseCopiesPerVolume, [System.String] $AutoDagDatabasesRootFolderPath, [System.Boolean] $AutoDagDiskReclaimerEnabled, [System.Int32] $AutoDagTotalNumberOfDatabases, [System.String] $AutoDagVolumesRootFolderPath, [System.String[]] $DatabaseAvailabilityGroupIpAddresses, [ValidateSet("Off","DagOnly")] [System.String] $DatacenterActivationMode, [System.String] $DomainController, [System.Boolean] $ManualDagNetworkConfiguration, [ValidateSet("Disabled","Enabled","InterSubnetOnly","SeedOnly")] [System.String] $NetworkCompression, [ValidateSet("Disabled","Enabled","InterSubnetOnly","SeedOnly")] [System.String] $NetworkEncryption, [System.Boolean] $ReplayLagManagerEnabled, [System.UInt16] $ReplicationPort, [System.Boolean] $SkipDagValidation, [System.String] $WitnessDirectory, [System.String] $WitnessServer ) #Load helper module Import-Module "$((Get-Item -LiteralPath "$($PSScriptRoot)").Parent.Parent.FullName)\Misc\xExchangeCommon.psm1" -Verbose:0 LogFunctionEntry -Parameters @{"Name" = $Name} -VerbosePreference $VerbosePreference #Establish remote Powershell session GetRemoteExchangeSession -Credential $Credential -CommandsToLoad "Get-DatabaseAvailabilityGroup" -VerbosePreference $VerbosePreference $dag = GetDatabaseAvailabilityGroup @PSBoundParameters if ($dag -eq $null) { return $false } else { if (!(VerifySetting -Name "AlternateWitnessDirectory" -Type "String" -ExpectedValue $AlternateWitnessDirectory -ActualValue $dag.AlternateWitnessDirectory -PSBoundParametersIn $PSBoundParameters -VerbosePreference $VerbosePreference)) { return $false } if (!(VerifySetting -Name "AlternateWitnessServer" -Type "String" -ExpectedValue $AlternateWitnessServer -ActualValue $dag.AlternateWitnessServer -PSBoundParametersIn $PSBoundParameters -VerbosePreference $VerbosePreference)) { return $false } if (!(VerifySetting -Name "AutoDagAutoReseedEnabled" -Type "Boolean" -ExpectedValue $AutoDagAutoReseedEnabled -ActualValue $dag.AutoDagAutoReseedEnabled -PSBoundParametersIn $PSBoundParameters -VerbosePreference $VerbosePreference)) { return $false } if (!(VerifySetting -Name "AutoDagDatabaseCopiesPerDatabase" -Type "Int" -ExpectedValue $AutoDagDatabaseCopiesPerDatabase -ActualValue $dag.AutoDagDatabaseCopiesPerDatabase -PSBoundParametersIn $PSBoundParameters -VerbosePreference $VerbosePreference)) { return $false } if (!(VerifySetting -Name "AutoDagDatabaseCopiesPerVolume" -Type "Int" -ExpectedValue $AutoDagDatabaseCopiesPerVolume -ActualValue $dag.AutoDagDatabaseCopiesPerVolume -PSBoundParametersIn $PSBoundParameters -VerbosePreference $VerbosePreference)) { return $false } if (!(VerifySetting -Name "AutoDagDatabasesRootFolderPath" -Type "String" -ExpectedValue $AutoDagDatabasesRootFolderPath -ActualValue $dag.AutoDagDatabasesRootFolderPath -PSBoundParametersIn $PSBoundParameters -VerbosePreference $VerbosePreference)) { return $false } if (!(VerifySetting -Name "AutoDagDiskReclaimerEnabled" -Type "Boolean" -ExpectedValue $AutoDagDiskReclaimerEnabled -ActualValue $dag.AutoDagDiskReclaimerEnabled -PSBoundParametersIn $PSBoundParameters -VerbosePreference $VerbosePreference)) { return $false } if (!(VerifySetting -Name "AutoDagTotalNumberOfDatabases" -Type "Int" -ExpectedValue $AutoDagTotalNumberOfDatabases -ActualValue $dag.AutoDagTotalNumberOfDatabases -PSBoundParametersIn $PSBoundParameters -VerbosePreference $VerbosePreference)) { return $false } if (!(VerifySetting -Name "AutoDagTotalNumberOfServers" -Type "Int" -ExpectedValue $AutoDagTotalNumberOfServers -ActualValue $dag.AutoDagTotalNumberOfServers -PSBoundParametersIn $PSBoundParameters -VerbosePreference $VerbosePreference)) { return $false } if (!(VerifySetting -Name "AutoDagVolumesRootFolderPath" -Type "String" -ExpectedValue $AutoDagVolumesRootFolderPath -ActualValue $dag.AutoDagVolumesRootFolderPath -PSBoundParametersIn $PSBoundParameters -VerbosePreference $VerbosePreference)) { return $false } if (!(VerifySetting -Name "DatabaseAvailabilityGroupIpAddresses" -Type "Array" -ExpectedValue $DatabaseAvailabilityGroupIpAddresses -ActualValue $dag.DatabaseAvailabilityGroupIpAddresses -PSBoundParametersIn $PSBoundParameters -VerbosePreference $VerbosePreference)) { return $false } if (!(VerifySetting -Name "ManualDagNetworkConfiguration" -Type "Boolean" -ExpectedValue $ManualDagNetworkConfiguration -ActualValue $dag.ManualDagNetworkConfiguration -PSBoundParametersIn $PSBoundParameters -VerbosePreference $VerbosePreference)) { return $false } if (!(VerifySetting -Name "NetworkCompression" -Type "String" -ExpectedValue $NetworkCompression -ActualValue $dag.NetworkCompression -PSBoundParametersIn $PSBoundParameters -VerbosePreference $VerbosePreference)) { return $false } if (!(VerifySetting -Name "NetworkEncryption" -Type "String" -ExpectedValue $NetworkEncryption -ActualValue $dag.NetworkEncryption -PSBoundParametersIn $PSBoundParameters -VerbosePreference $VerbosePreference)) { return $false } if (!(VerifySetting -Name "ReplayLagManagerEnabled" -Type "Boolean" -ExpectedValue $ReplayLagManagerEnabled -ActualValue $dag.ReplayLagManagerEnabled -PSBoundParametersIn $PSBoundParameters -VerbosePreference $VerbosePreference)) { return $false } #Replication port only comes back correctly from Get-DatabaseAvailabilityGroup if it has been set when there is 1 or more servers in the DAG if ($dag.Servers.Count -gt 0) { if (!(VerifySetting -Name "ReplicationPort" -Type "Int" -ExpectedValue $ReplicationPort -ActualValue $dag.ReplicationPort -PSBoundParametersIn $PSBoundParameters -VerbosePreference $VerbosePreference)) { return $false } } if (!(VerifySetting -Name "WitnessDirectory" -Type "String" -ExpectedValue $WitnessDirectory -ActualValue $dag.WitnessDirectory -PSBoundParametersIn $PSBoundParameters -VerbosePreference $VerbosePreference)) { return $false } if (!(VerifySetting -Name "WitnessServer" -Type "String" -ExpectedValue $WitnessServer -ActualValue $dag.WitnessServer -PSBoundParametersIn $PSBoundParameters -VerbosePreference $VerbosePreference)) { return $false } #Verify these props only if all members are in the DAG if ($dag.Servers.Count -ge $AutoDagTotalNumberOfServers) { if (!(VerifySetting -Name "DatacenterActivationMode" -Type "String" -ExpectedValue $DatacenterActivationMode -ActualValue $dag.DatacenterActivationMode -PSBoundParametersIn $PSBoundParameters -VerbosePreference $VerbosePreference)) { return $false } } } return $true } #Runs Get-DatabaseAvailabilityGroup, only specifying Identity, ErrorAction, and optionally DomainController function GetDatabaseAvailabilityGroup { [CmdletBinding()] param ( [parameter(Mandatory = $true)] [System.String] $Name, [parameter(Mandatory = $true)] [System.Management.Automation.PSCredential] $Credential, [parameter(Mandatory = $true)] [System.Int32] $AutoDagTotalNumberOfServers, [System.String] $AlternateWitnessDirectory, [System.String] $AlternateWitnessServer, [System.Boolean] $AutoDagAutoReseedEnabled, [System.Int32] $AutoDagDatabaseCopiesPerDatabase, [System.Int32] $AutoDagDatabaseCopiesPerVolume, [System.String] $AutoDagDatabasesRootFolderPath, [System.Boolean] $AutoDagDiskReclaimerEnabled, [System.Int32] $AutoDagTotalNumberOfDatabases, [System.String] $AutoDagVolumesRootFolderPath, [System.String[]] $DatabaseAvailabilityGroupIpAddresses, [ValidateSet("Off","DagOnly")] [System.String] $DatacenterActivationMode, [System.String] $DomainController, [System.Boolean] $ManualDagNetworkConfiguration, [ValidateSet("Disabled","Enabled","InterSubnetOnly","SeedOnly")] [System.String] $NetworkCompression, [ValidateSet("Disabled","Enabled","InterSubnetOnly","SeedOnly")] [System.String] $NetworkEncryption, [System.Boolean] $ReplayLagManagerEnabled, [System.UInt16] $ReplicationPort, [System.Boolean] $SkipDagValidation, [System.String] $WitnessDirectory, [System.String] $WitnessServer ) AddParameters -PSBoundParametersIn $PSBoundParameters -ParamsToAdd @{"Identity" = $PSBoundParameters["Name"]; "ErrorAction" = "SilentlyContinue"} RemoveParameters -PSBoundParametersIn $PSBoundParameters -ParamsToKeep "Identity","ErrorAction","DomainController" return (Get-DatabaseAvailabilityGroup @PSBoundParameters -Status) } Export-ModuleMember -Function *-TargetResource |