AutomatedLabFailover.psm1
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#region Install-LabFailoverCluster function Install-LabFailoverCluster { [CmdletBinding()] param ( ) $failoverNodes = Get-LabVm -Role FailoverNode -ErrorAction SilentlyContinue $clusters = $failoverNodes | Group-Object { ($_.Roles | Where-Object -Property Name -eq 'FailoverNode').Properties['ClusterName'] } $useDiskWitness = $false Start-LabVM -Wait -ComputerName $failoverNodes Install-LabWindowsFeature -ComputerName $failoverNodes -FeatureName Failover-Clustering, RSAT-Clustering -IncludeAllSubFeature Write-ScreenInfo -Message 'Restart post FCI Install' Restart-LabVM $failoverNodes -Wait if (Get-LabWindowsFeature -ComputerName $failoverNodes -FeatureName Failover-Clustering, RSAT-Clustering | Where InstallState -ne Installed) { Install-LabWindowsFeature -ComputerName $failoverNodes -FeatureName Failover-Clustering, RSAT-Clustering -IncludeAllSubFeature Write-ScreenInfo -Message 'Restart post FCI Install' Restart-LabVM $failoverNodes -Wait } if (Get-LabVm -Role FailoverStorage) { Write-ScreenInfo -Message 'Waiting for failover storage server to complete installation' Install-LabFailoverStorage $useDiskWitness = $true } Write-ScreenInfo -Message 'Waiting for failover nodes to complete installation' foreach ($cluster in $clusters) { $firstNode = $cluster.Group | Select-Object -First 1 $clusterDomains = $cluster.Group.DomainName | Sort-Object -Unique $clusterNodeNames = $cluster.Group | Select-Object -Skip 1 -ExpandProperty Name $clusterName = $cluster.Name $clusterIp = ($firstNode.Roles | Where-Object -Property Name -eq 'FailoverNode').Properties['ClusterIp'] -split '\s*(?:,|;?),\s*' if (-not $clusterIp) { $adapterVirtualNetwork = Get-LabVirtualNetworkDefinition -Name $firstNode.NetworkAdapters[0].VirtualSwitch $clusterIp = $adapterVirtualNetwork.NextIpAddress().AddressAsString } if (-not $clusterName) { $clusterName = 'ALCluster' } $ignoreNetwork = foreach ($network in (Get-Lab).VirtualNetworks) { $range = Get-NetworkRange -IPAddress $network.AddressSpace.Network.AddressAsString -SubnetMask $network.AddressSpace.Cidr $inRange = $clusterIp | Where-Object {$_ -in $range} if (-not $inRange) { '{0}/{1}' -f $network.AddressSpace.Network.AddressAsString, $network.AddressSpace.Cidr } } if ($useDiskWitness -and -not ($firstNode.OperatingSystem.Version -lt 6.2)) { Invoke-LabCommand -ComputerName $firstNode -ActivityName 'Preparing cluster storage' -ScriptBlock { if (-not (Get-ClusterAvailableDisk -ErrorAction SilentlyContinue)) { $offlineDisk = Get-Disk | Where-Object -Property OperationalStatus -eq Offline | Select-Object -First 1 if ($offlineDisk) { $offlineDisk | Set-Disk -IsOffline $false $offlineDisk | Set-Disk -IsReadOnly $false } if (-not ($offlineDisk | Get-Partition | Get-Volume)) { $offlineDisk | New-Volume -FriendlyName quorum -FileSystem NTFS } } } Invoke-LabCommand -ComputerName $clusterNodeNames -ActivityName 'Preparing cluster storage on remaining nodes' -ScriptBlock { Get-Disk | Where-Object -Property OperationalStatus -eq Offline | Set-Disk -IsOffline $false } } $storageNode = Get-LabVm -Role FailoverStorage -ErrorAction SilentlyContinue $role = $storageNode.Roles | Where-Object Name -eq FailoverStorage if((-not $useDiskWitness) -or ($storageNode.Disks.Count -gt 1)) { Invoke-LabCommand -ComputerName $firstNode -ActivityName 'Preparing cluster storage' -ScriptBlock { $diskpartCmd = 'LIST DISK' $disks = $diskpartCmd | diskpart.exe foreach ($line in $disks) { if ($line -match 'Disk (?<DiskNumber>\d) \s+(Offline)\s+(?<Size>\d+) GB\s+(?<Free>\d+) GB') { $nextDriveLetter = [char[]](67..90) | Where-Object { (Get-WmiObject -Class Win32_LogicalDisk | Select-Object -ExpandProperty DeviceID) -notcontains "$($_):"} | Select-Object -First 1 $diskNumber = $Matches.DiskNumber $diskpartCmd = "@ SELECT DISK $diskNumber ATTRIBUTES DISK CLEAR READONLY ONLINE DISK CREATE PARTITION PRIMARY ASSIGN LETTER=$nextDriveLetter EXIT @" $diskpartCmd | diskpart.exe | Out-Null Start-Sleep -Seconds 2 cmd.exe /c "echo y | format $($nextDriveLetter): /q /v:DataDisk$diskNumber" } } } Invoke-LabCommand -ComputerName $clusterNodeNames -ActivityName 'Preparing cluster storage' -ScriptBlock { $diskpartCmd = 'LIST DISK' $disks = $diskpartCmd | diskpart.exe foreach ($line in $disks) { if ($line -match 'Disk (?<DiskNumber>\d) \s+(Offline)\s+(?<Size>\d+) GB\s+(?<Free>\d+) GB') { $diskNumber = $Matches.DiskNumber $diskpartCmd = "@ SELECT DISK $diskNumber ATTRIBUTES DISK CLEAR READONLY ONLINE DISK EXIT @" $diskpartCmd | diskpart.exe | Out-Null } } } } $clusterAccessPoint = if ($clusterDomains.Count -ne 1) { 'DNS' } else { 'ActiveDirectoryAndDns' } Remove-LabPSSession -ComputerName $failoverNodes Invoke-LabCommand -ComputerName $firstNode -ActivityName 'Enabling clustering on first node' -ScriptBlock { Import-Module FailoverClusters -ErrorAction Stop -WarningAction SilentlyContinue $clusterParameters = @{ Name = $clusterName StaticAddress = $clusterIp AdministrativeAccessPoint = $clusterAccessPoint ErrorAction = 'SilentlyContinue' WarningAction = 'SilentlyContinue' } if ($ignoreNetwork) { $clusterParameters.IgnoreNetwork = $ignoreNetwork } $clusterParameters = Sync-Parameter -Command (Get-Command New-Cluster) -Parameters $clusterParameters $null = New-Cluster @clusterParameters } -Variable (Get-Variable clusterName, clusterNodeNames, clusterIp, useDiskWitness, clusterAccessPoint, ignoreNetwork) -Function (Get-Command Sync-Parameter) Remove-LabPSSession -ComputerName $failoverNodes Invoke-LabCommand -ComputerName $firstNode -ActivityName 'Adding nodes' -ScriptBlock { Import-Module FailoverClusters -ErrorAction Stop -WarningAction SilentlyContinue if (-not (Get-Cluster -Name $clusterName -ErrorAction SilentlyContinue)) { Write-Error "Cluster $clusterName was not deployed" } foreach ($node in $clusterNodeNames) { Add-ClusterNode -Name $node -Cluster $clusterName -ErrorAction SilentlyContinue } if (Compare-Object -ReferenceObject $clusterNodeNames -DifferenceObject (Get-ClusterNode -Cluster $clusterName).Name | Where-Object SideIndicator -eq '<=') { Write-Error -Message "Error deploying cluster $clusterName, not all nodes were added to the cluster" } if ($useDiskWitness) { $clusterDisk = Get-ClusterResource -Cluster $clusterName -ErrorAction SilentlyContinue | Where-object -Property ResourceType -eq 'Physical Disk' | Select -First 1 if ($clusterDisk) { Get-Cluster -Name $clusterName | Set-ClusterQuorum -DiskWitness $clusterDisk } } } -Variable (Get-Variable clusterName, clusterNodeNames, clusterIp, useDiskWitness, clusterAccessPoint, ignoreNetwork) } } #endregion #region Install-LabFailoverStorage function Install-LabFailoverStorage { [CmdletBinding()] param ( ) $storageNodes = Get-LabVM -Role FailoverStorage -ErrorAction SilentlyContinue $failoverNodes = Get-LabVM -Role FailoverNode -ErrorAction SilentlyContinue if ($storageNodes.Count -gt 1) { foreach ($failoverNode in $failoverNodes) { $role = $failoverNode.Roles | Where-Object Name -eq 'FailoverNode' if (-not $role.Properties.ContainsKey('StorageTarget')) { Write-Error "There are $($storageNodes.Count) VMs with the 'FailoverStorage' role and the storage target is not defined for '$failoverNode'. Please define the property 'StorageTarget' with the 'FailoverStorage' role." -ErrorAction Stop } } } Start-LabVM -ComputerName (Get-LabVM -Role FailoverStorage, FailoverNode) -Wait $clusters = @{} $storageMapping = @{} foreach ($failoverNode in $failoverNodes) { $role = $failoverNode.Roles | Where-Object Name -eq 'FailoverNode' $name = $role.Properties['ClusterName'] $storageMapping."$($failoverNode.Name)" = if ($role.Properties.ContainsKey('StorageTarget')) { $role.Properties['StorageTarget'] } else { $storageNodes.Name } if (-not $name) { $name = 'ALCluster' } if (-not $clusters.ContainsKey($name)) { $clusters[$name] = @() } $clusters[$name] += $failoverNode.Name } foreach ($cluster in $clusters.Clone().GetEnumerator()) { $machines = $cluster.Value $clusterName = $cluster.Key $initiatorIds = Invoke-LabCommand -ActivityName 'Retrieving IQNs' -ComputerName $machines -ScriptBlock { Set-Service -Name MSiSCSI -StartupType Automatic Start-Service -Name MSiSCSI "IQN:$((Get-WmiObject -Namespace root\wmi -Class MSiSCSIInitiator_MethodClass).iSCSINodeName)" } -PassThru -ErrorAction Stop $clusters[$clusterName] = $initiatorIds } Install-LabWindowsFeature -ComputerName $storageNodes -FeatureName FS-iSCSITarget-Server foreach ($storageNode in $storageNodes) { foreach ($disk in $storageNode.Disks) { Write-ScreenInfo "Working on $($disk.name)" #$lunDrive = $role.Properties['LunDrive'][0] # Select drive letter only $driveLetter = $disk.DriveLetter Invoke-LabCommand -ActivityName "Creating iSCSI target for $($disk.name) on '$storageNode'" -ComputerName $storageNode -ScriptBlock { # assign drive letter if not provided if (-not $driveLetter) { # http://vcloud-lab.com/entries/windows-2016-server-r2/find-next-available-free-drive-letter-using-powershell- #$driveLetter = (68..90 | % {$L = [char]$_; if ((gdr).Name -notContains $L) {$L}})[0] $driveLetter = $env:SystemDrive[0] } $driveInfo = [System.IO.DriveInfo] [string] $driveLetter if (-not (Test-Path $driveInfo)) { $offlineDisk = Get-Disk | Where-Object -Property OperationalStatus -eq Offline | Select-Object -First 1 if ($offlineDisk) { $offlineDisk | Set-Disk -IsOffline $false $offlineDisk | Set-Disk -IsReadOnly $false } if (-not ($offlineDisk | Get-Partition | Get-Volume)) { $offlineDisk | New-Volume -FriendlyName $disk -FileSystem ReFS -DriveLetter $driveLetter } } $folderPath = Join-Path -Path $driveInfo -ChildPath $disk.Name $folder = New-Item -ItemType Directory -Path $folderPath -ErrorAction SilentlyContinue $folder = Get-Item -Path $folderPath -ErrorAction Stop foreach ($clu in $clusters.GetEnumerator()) { if (-not (Get-IscsiServerTarget -TargetName $clu.Key -ErrorAction SilentlyContinue)) { New-IscsiServerTarget -TargetName $clu.Key -InitiatorIds $clu.Value } $diskTarget = (Join-Path -Path $folder.FullName -ChildPath "$($disk.name).vhdx") $diskSize = [uint64]$disk.DiskSize*1GB if (-not (Get-IscsiVirtualDisk -Path $diskTarget -ErrorAction SilentlyContinue)) { New-IscsiVirtualDisk -Path $diskTarget -Size $diskSize } Add-IscsiVirtualDiskTargetMapping -TargetName $clu.Key -Path $diskTarget } } -Variable (Get-Variable -Name clusters, disk, driveletter) -ErrorAction Stop Invoke-LabCommand -ActivityName "Connecting iSCSI target - storage node '$storageNode' - disk '$disk'" -ComputerName (Get-LabVM -Role FailoverNode) -ScriptBlock { $targetAddress = $storageMapping[$env:COMPUTERNAME] if (-not (Get-Command New-IscsiTargetPortal -ErrorAction SilentlyContinue)) { iscsicli.exe QAddTargetPortal $targetAddress $target = ((iscsicli.exe ListTargets) -match 'iqn.+target')[0].Trim() iscsicli.exe QLoginTarget $target } else { New-IscsiTargetPortal -TargetPortalAddress $targetAddress Get-IscsiTarget | Where-Object {-not $_.IsConnected} | Connect-IscsiTarget -IsPersistent $true } } -Variable (Get-Variable storageMapping) -ErrorAction Stop } } } #endregion |