Private/TestHyperVExternalvSwitch.ps1
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function TestHyperVExternalvSwitch { [CmdletBinding(DefaultParameterSetName='ExternalNetworkVM')] Param( [Parameter(Mandatory=$False)] [string]$DownloadDirectory = "$HOME\Downloads", [Parameter(Mandatory=$False)] [switch]$AllowRestarts, [Parameter(Mandatory=$False)] [switch]$SkipHyperVInstallCheck, [Parameter(Mandatory=$False)] [switch]$SkipPreDownloadCheck ) #region >> Variable/Parameter Transforms and PreRun Prep Push-Location if (!$SkipHyperVInstallCheck) { try { $HyperVFeaturesInstallResults = InstallHyperVFeatures -ParentFunction $MyInvocation.MyCommand.Name } catch { Write-Error $_ Write-Error "The InstallHyperVFeatures function (as executed by the $($MyInvocation.MyCommand.Name) function) failed! Halting!" $global:FunctionResult = "1" Pop-Location return } try { $InstallContainersFeatureDismResult = InstallFeatureDism -Feature Containers -ParentFunction $MyInvocation.MyCommand.Name } catch { Write-Error $_ Write-Error "The InstallFeatureDism function (as executed by the $($MyInvocation.MyCommand.Name) function) failed! Halting!" $global:FunctionResult = "1" Pop-Location return } if ($HyperVFeaturesInstallResults.InstallResults.Count -gt 0) { if (!$AllowRestarts) { Write-Warning "You must restart $env:ComputerName before the TestHyperVExternalvSwitch function can proceed! Halting!" # IMPORTANT NOTE: The below Write-Output "RestartNeeded" is necessary Write-Output "RestartNeeded" $global:FunctionResult = "1" Pop-Location return } else { Restart-Computer -Confirm:$False -Force } } } else { if (![bool]$(Get-Module -ListAvailable -Name Hyper-V) -and ![bool]$(Get-Module -Name Hyper-V)) { Write-Error "Hyper-V does not appear to be installed on $env:ComputerName! Try the function again without the -SkipHyperVInstallCheck switch. Halting!" $global:FunctionResult = "1" Pop-Location return } } # Set some other variables that we will need <# $NextHop = $(Get-NetRoute -AddressFamily IPv4 | Where-Object {$_.NextHop -ne "0.0.0.0"} | Sort-Object RouteMetric)[0].NextHop $PrimaryIP = $(Find-NetRoute -RemoteIPAddress $NextHop | Where-Object {$($_ | Get-Member).Name -contains "IPAddress"}).IPAddress $NicInfo = Get-NetIPAddress -IPAddress $PrimaryIP $NicAdapter = Get-NetAdapter -InterfaceAlias $NicInfo.InterfaceAlias #> $PrimaryIfIndex = $(Get-CimInstance Win32_IP4RouteTable | Where-Object { $_.Destination -eq '0.0.0.0' -and $_.Mask -eq '0.0.0.0' } | Sort-Object Metric1)[0].InterfaceIndex $NicInfo = Get-CimInstance Win32_NetworkAdapterConfiguration | Where-Object {$_.InterfaceIndex -eq $PrimaryIfIndex} $PrimaryIP = $NicInfo.IPAddress | Where-Object {TestIsValidIPAddress -IPAddress $_} $NextHop = $NicInfo.DefaultIPGateway[0] $HostNameBIOSInfo = Get-CimInstance Win32_BIOS $IntegrationServicesRegistryPath = "HKLM:\SOFTWARE\Microsoft\Virtual Machine\Guest\Parameters" $HostNameIntegrationServicesPresent = Test-Path $IntegrationServicesRegistryPath if ($HostNameBIOSInfo.SMBIOSBIOSVersion -match "Hyper-V|VirtualBox|VMWare|Xen" -or $HostNameBIOSInfo.Manufacturer -match "Hyper-V|VirtualBox|VMWare|Xen" -or $HostNameBIOSInfo.Name -match "Hyper-V|VirtualBox|VMWare|Xen" -or $HostNameBIOSInfo.SerialNumber -match "Hyper-V|VirtualBox|VMWare|Xen" -or $HostNameBIOSInfo.Version -match "Hyper-V|VirtualBox|VMWare|Xen|VRTUAL" -or $HostNameIntegrationServicesPresent) { $IsVirtual = $True } else { $IsVirtual = $False } # If there are any pre-existing running VMs using an External vSwitch, assume that External vSwitch works [System.Collections.ArrayList][Array]$ExternalvSwitches = Get-VMSwitch -SwitchType External if ($ExternalvSwitches.Count -gt 0) { $RunningVMs = Get-VM | Where-Object {$_.State -eq "Running"} if ($RunningVMs.Count -gt 0) { [System.Collections.ArrayList]$FoundRunningVMUsingExternalvSwitch = @() foreach ($VMObject in $RunningVMs) { if ($ExternalvSwitches.Name -contains $VMObject.NetworkAdapters.SwitchName) { $null = $FoundRunningVMUsingExternalvSwitch.Add($VMObject) } } } } # If we're on BareMetal or if there are already Hyper-V VMs that are 'Running' that use an External vSwitch, # then we can assume External vSwitch works, and we're done here... if ($IsVirtual -eq $False -or $FoundRunningVMUsingExternalvSwitch.Count -gt 0) { [pscustomobject]@{ ExternalvSwitchWorks = $True CanReachInternet = $True CanReachRouter = $True VirtualizationExtensionsExposed = $True MacAddressSpoofingEnabled = $True } return } # If we reached this point in the function, we have established that the machine that the function is being run on # is Virtual if (!$NicInfo.DHCPEnabled) { Write-Error "The Test-HyperVExternalvSwitch function failed because the External Network (i.e. the Host network) does not appear to have DHCP already available! Try the New-DHCPServer function! Halting!" $global:FunctionResult = "1" return } if (!$DownloadDirectory) { $DownloadDirectory = "$HOME\Downloads" } # Write the Universal Unsecure Vagrant Private Key to filesystem # From: https://github.com/hashicorp/vagrant/blob/master/keys $VagrantPrivKey = @" -----BEGIN RSA PRIVATE KEY----- MIIEogIBAAKCAQEA6NF8iallvQVp22WDkTkyrtvp9eWW6A8YVr+kz4TjGYe7gHzI w+niNltGEFHzD8+v1I2YJ6oXevct1YeS0o9HZyN1Q9qgCgzUFtdOKLv6IedplqoP kcmF0aYet2PkEDo3MlTBckFXPITAMzF8dJSIFo9D8HfdOV0IAdx4O7PtixWKn5y2 hMNG0zQPyUecp4pzC6kivAIhyfHilFR61RGL+GPXQ2MWZWFYbAGjyiYJnAmCP3NO Td0jMZEnDkbUvxhMmBYSdETk1rRgm+R4LOzFUGaHqHDLKLX+FIPKcF96hrucXzcW yLbIbEgE98OHlnVYCzRdK8jlqm8tehUc9c9WhQIBIwKCAQEA4iqWPJXtzZA68mKd ELs4jJsdyky+ewdZeNds5tjcnHU5zUYE25K+ffJED9qUWICcLZDc81TGWjHyAqD1 Bw7XpgUwFgeUJwUlzQurAv+/ySnxiwuaGJfhFM1CaQHzfXphgVml+fZUvnJUTvzf TK2Lg6EdbUE9TarUlBf/xPfuEhMSlIE5keb/Zz3/LUlRg8yDqz5w+QWVJ4utnKnK iqwZN0mwpwU7YSyJhlT4YV1F3n4YjLswM5wJs2oqm0jssQu/BT0tyEXNDYBLEF4A sClaWuSJ2kjq7KhrrYXzagqhnSei9ODYFShJu8UWVec3Ihb5ZXlzO6vdNQ1J9Xsf 4m+2ywKBgQD6qFxx/Rv9CNN96l/4rb14HKirC2o/orApiHmHDsURs5rUKDx0f9iP cXN7S1uePXuJRK/5hsubaOCx3Owd2u9gD6Oq0CsMkE4CUSiJcYrMANtx54cGH7Rk EjFZxK8xAv1ldELEyxrFqkbE4BKd8QOt414qjvTGyAK+OLD3M2QdCQKBgQDtx8pN CAxR7yhHbIWT1AH66+XWN8bXq7l3RO/ukeaci98JfkbkxURZhtxV/HHuvUhnPLdX 3TwygPBYZFNo4pzVEhzWoTtnEtrFueKxyc3+LjZpuo+mBlQ6ORtfgkr9gBVphXZG YEzkCD3lVdl8L4cw9BVpKrJCs1c5taGjDgdInQKBgHm/fVvv96bJxc9x1tffXAcj 3OVdUN0UgXNCSaf/3A/phbeBQe9xS+3mpc4r6qvx+iy69mNBeNZ0xOitIjpjBo2+ dBEjSBwLk5q5tJqHmy/jKMJL4n9ROlx93XS+njxgibTvU6Fp9w+NOFD/HvxB3Tcz 6+jJF85D5BNAG3DBMKBjAoGBAOAxZvgsKN+JuENXsST7F89Tck2iTcQIT8g5rwWC P9Vt74yboe2kDT531w8+egz7nAmRBKNM751U/95P9t88EDacDI/Z2OwnuFQHCPDF llYOUI+SpLJ6/vURRbHSnnn8a/XG+nzedGH5JGqEJNQsz+xT2axM0/W/CRknmGaJ kda/AoGANWrLCz708y7VYgAtW2Uf1DPOIYMdvo6fxIB5i9ZfISgcJ/bbCUkFrhoH +vq/5CIWxCPp0f85R4qxxQ5ihxJ0YDQT9Jpx4TMss4PSavPaBH3RXow5Ohe+bYoQ NE5OgEXk2wVfZczCZpigBKbKZHNYcelXtTt/nP3rsCuGcM4h53s= -----END RSA PRIVATE KEY----- "@ if (!$(Test-Path "$HOME\.ssh")) { $null = New-Item -ItemType Directory -Path "$HOME\.ssh" } $VagrantInsecurePrivKeyPath = "$HOME\.ssh\insecure_vagrant_private_key.pem" if (!$(Test-Path $VagrantInsecurePrivKeyPath)) { $VagrantPrivKey | Out-File $VagrantInsecurePrivKeyPath -Encoding ASCII if ($PSVersionTable.PSEdition -eq "Core") { $FixVPermsAsString = ${Function:FixVagrantPrivateKeyPerms}.Ast.Extent.Text Invoke-WinCommand -ComputerName localhost -ScriptBlock { Invoke-Expression $args[0] FixVagrantPrivateKeyPerms -PathToPrivateKey $args[1] } -ArgumentList $FixVPermsAsString,$VagrantInsecurePrivKeyPath } else { FixVagrantPrivateKeyPerms -PathToPrivateKey $VagrantInsecurePrivKeyPath } } <# if ([Environment]::OSVersion.Version -lt [version]"10.0.17063") { if (![bool]$(Get-Command curl -ErrorAction SilentlyContinue) -or $(Get-Command curl -ErrorAction SilentlyContinue).CommandType -eq "Alias" ) { $InstallCurlResults = Install-Program -ProgramName curl -CommandName curl -UseChocolateyCmdLine } } $CurlCmd = $(Get-Command curl -CommandType Application -All).Source if ($CurlCmd.Count -gt 1) { $CurlCmd = $(Get-Command curl -CommandType Application -All | Where-Object {$_.Source -match "x64"}).Source if (!$CurlCmd) { $CurlCmd = $(Get-Command curl -CommandType Application -All).Source[-1] } } #> if (![bool]$(Get-Command ssh -ErrorAction SilentlyContinue)) { if (![bool]$(Get-Module -ListAvailable ProgramManagement)) {Install-Module ProgramManagement} if (![bool]$(Get-Module ProgramManagement)) {Import-Module ProgramManagement} $InstallOpenSSHResult = Install-Program -ProgramName openssh -CommandName ssh.exe -ExpectedInstallLocation "C:\Program Files\OpenSSH-Win64" if (![bool]$(Get-Service ssh-agent -ErrorAction SilentlyContinue)) { if (Test-Path "C:\Program Files\OpenSSH-Win64\install-sshd.ps1") { & "C:\Program Files\OpenSSH-Win64\install-sshd.ps1" } else { Write-Warning "Unable to find 'C:\Program Files\OpenSSH-Win64\install-sshd.ps1'! The services 'ssh-agent' and 'sshd' will NOT be installed." } } } #endregion >> Variable/Parameter Transforms and PreRun Prep #region >> Main Body $DeployVMSplatParams = @{ VagrantBox = "centos/7" VagrantProvider = "hyperv" VMName = "CentOS7vSwitchTest" VMDestinationDirectory = $DownloadDirectory Memory = 1024 CPUs = 1 ErrorAction = "SilentlyContinue" ErrorVariable = "DVMErr" SkipHyperVInstallCheck = $True } try { $DeployVMResult = Deploy-HyperVVagrantBoxManually @DeployVMSplatParams if (!$DeployVMResult -or [bool]$($($DVMErr | Out-String) -match "one of the Hyper-V components is not running") -or [bool]$($($DVMErr | Out-String) -match "The operation has timed out") ) { throw "The Deploy-HyperVVagrantBoxManually function failed! Halting!" } $VMDeployed = $True } catch { if ([bool]$($($DVMErr | Out-String) -match "one of the Hyper-V components is not running")) { if ($IsVirtual) { $VirtualizationExtensionsExposed = $False } else { Write-Error "One or more Hyper-V components is not installed! Please check the Hyper-V features that are currenly enabled! Halting!" $global:FunctionResult = "1" Pop-Location return } } elseif ([bool]$($($DVMErr | Out-String) -match "The operation has timed out")) { Write-Warning "https://vagrantcloud.com appears to be throttling traffic. Sleeping for 5 minutes before trying again..." Start-Sleep -Seconds 300 try { $DeployVMResult = Deploy-HyperVVagrantBoxManually @DeployVMSplatParams if (!$DeployVMResult -or [bool]$($($DVMErr | Out-String) -match "one of the Hyper-V components is not running") -or [bool]$($($DVMErr | Out-String) -match "The operation has timed out") ) { throw "The Deploy-HyperVVagrantBoxManually function failed! Halting!" } $VMDeployed = $True } catch { if ([bool]$($($DVMErr | Out-String) -match "one of the Hyper-V components is not running")) { if ($IsVirtual) { $VirtualizationExtensionsExposed = $False } else { Write-Error "One or more Hyper-V components is not installed! Please check the Hyper-V features that are currenly enabled! Halting!" $global:FunctionResult = "1" Pop-Location return } } else { Write-Error $_ Write-Host "Errors for the Deploy-HyperVVagrantBoxManually function are as follows:" Write-Error $($DVMErr | Out-String) if ($DeployVMResult.VMName -ne $null) { $DestroyVMOutput = Manage-HyperVVM -VmName $DeployVMResult.VMName -Destroy -ErrorAction SilentlyContinue } if ($DeployVMResult.ExternalSwitchCreated -eq $True) { Remove-VMSwitch "ToExternal" -Force -ErrorAction SilentlyContinue } if ($DeployVMResult.TempHyperVVMLocation -ne $null) { if (Test-Path $DeployVMResult.TempHyperVVMLocation) { Remove-Item $DeployVMResult.TempHyperVVMLocation -Recurse -Force } } if ($DeployVMResult.BoxFileLocation -ne $null) { if (Test-Path $DeployVMResult.BoxFileLocation) { Remove-Item $DeployVMResult.BoxFileLocation -Force } } $global:FunctionResult = "1" Pop-Location return } } } else { Write-Error $_ Write-Host "Errors for the Deploy-HyperVVagrantBoxManually function are as follows:" Write-Error $($DVMErr | Out-String) if ($DeployVMResult.VMName -ne $null) { $DestroyVMOutput = Manage-HyperVVM -VmName $DeployVMResult.VMName -Destroy -ErrorAction SilentlyContinue } if ($DeployVMResult.ExternalSwitchCreated -eq $True) { Remove-VMSwitch "ToExternal" -Force -ErrorAction SilentlyContinue } if ($DeployVMResult.TempHyperVVMLocation -ne $null) { if (Test-Path $DeployVMResult.TempHyperVVMLocation) { Remove-Item $DeployVMResult.TempHyperVVMLocation -Recurse -Force } } if ($DeployVMResult.BoxFileLocation -ne $null) { if (Test-Path $DeployVMResult.BoxFileLocation) { Remove-Item $DeployVMResult.BoxFileLocation -Force } } $global:FunctionResult = "1" Pop-Location return } } if (!$VMDeployed -and $DeployVMResult -eq "RestartNeeded") { if (!$AllowRestarts) { Write-Warning "You must restart $env:ComputerName before the TestHyperVExternalvSwitch can proceed! Halting!" # IMPORTANT NOTE: The below Write-Output "RestartNeeded" is necessary Write-Output "RestartNeeded" $global:FunctionResult = "1" Pop-Location return } else { Restart-Computer -Confirm:$False -Force } } if ($VMDeployed) { try { $CustomCentOSVM = Get-VM -Name $DeployVMResult.VMName if ($CustomCentOSVM.State -eq "Running") { # Give the CentOS7 VM 120 seconds to report its IP $counter = 0 while (!$VMIPv4Address -and $counter -le 4) { $counter++ Write-Host "Waiting for $($CustomCentOSVM.Name) to report its IP Address..." Start-Sleep -Seconds 30 $VMIPv4Address = $(Get-VMNetworkAdapter -VMName $CustomCentOSVM.Name).IPAddresses | Where-Object {TestIsValidIPAddress -IPAddress $_} } if ($VMIPv4Address) { # If $HOME\.ssh\known_hosts already exists, make sure there is NOT a line in there already regarding $VMIPv4Address # If there is, remove it if (Test-Path "$HOME\.ssh\known_hosts") { $KnownHostsContent = Get-Content "$HOME\.ssh\known_hosts" $PotentialLineToRemove = $KnownHostsContent -match $VMIPv4Address if ($PotentialLineToRemove) { $UpdatedKnownHostsContent = $KnownHostsContent | Where-Object {$_ -ne $PotentialLineToRemove} Set-Content -Path "$HOME\.ssh\known_hosts" -Value $UpdatedKnownHostsContent } } # Now we can start issuing ssh commands through our CentOS7 VM to see if the External vSwitch actually works # If it does, we know that MacAddress spoofing is enabled on the hypervisor and that the hypervisor is # most likely Hyper-V $PingRouterResult = ssh -o "StrictHostKeyChecking=no" -o "IdentitiesOnly=yes" -i "$VagrantInsecurePrivKeyPath" -t vagrant@$VMIPv4Address "ping -c 1 '$NextHop' >/dev/null && echo True" 2>$null if ($PingRouterResult -eq "True") {$CanReachRouter = $True} $PingInternetResult = ssh -o "StrictHostKeyChecking=no" -o "IdentitiesOnly=yes" -i "$VagrantInsecurePrivKeyPath" -t vagrant@$VMIPv4Address "ping -c 1 '8.8.8.8' >/dev/null && echo True" 2>$null if ($PingInternetResult -eq $True) {$CanReachInternet = $True} if (!$CanReachInternet -and !$CanReachRouter) { $ExternalvSwitchWorks = $False } else { Write-Host "External vSwitch $($(Get-VMSwitch -SwitchType External).Name) can reach the internet!" -ForegroundColor Green $ExternalvSwitchWorks = $True } } else { $MacAddressSpoofingEnabled = $False } } } catch { Write-Error $_ if ($DeployVMResult.VMName -ne $null) { $DestroyVMOutput = Manage-HyperVVM -VmName $DeployVMResult.VMName -Destroy -ErrorAction SilentlyContinue } if ($DeployVMResult.ExternalSwitchCreated) { Remove-VMSwitch "ToExternal" -Force -ErrorAction SilentlyContinue } if ($DeployVMResult.TempHyperVVMLocation -ne $null) { if (Test-Path $DeployVMResult.TempHyperVVMLocation) { Remove-Item $DeployVMResult.TempHyperVVMLocation -Recurse -Force } } if ($DeployVMResult.BoxFileLocation -ne $null) { if (Test-Path $DeployVMResult.BoxFileLocation) { Remove-Item $DeployVMResult.BoxFileLocation -Force } } $global:FunctionResult = "1" Pop-Location return } } # Cleanup if ($DeployVMResult.VMName -ne $null) { $DestroyVMOutput = Manage-HyperVVM -VmName $DeployVMResult.VMName -Destroy -ErrorAction SilentlyContinue } if ($DeployVMResult.ExternalSwitchCreated) { Remove-VMSwitch "ToExternal" -Force -ErrorAction SilentlyContinue } if ($DeployVMResult.TempHyperVVMLocation -ne $null) { if (Test-Path $DeployVMResult.TempHyperVVMLocation) { Remove-Item $DeployVMResult.TempHyperVVMLocation -Recurse -Force } } if ($DeployVMResult.BoxFileLocation -ne $null) { if (Test-Path $DeployVMResult.BoxFileLocation) { Remove-Item $DeployVMResult.BoxFileLocation -Force } } $Output = [ordered]@{ ExternalvSwitchWorks = if ($ExternalvSwitchWorks -eq $null -or $ExternalvSwitchWorks -eq $False) {$False} else {$True} CanReachInternet = if ($CanReachInternet -eq $null -or $CanReachInternet -eq $False) {$False} else {$True} CanReachRouter = if ($CanReachRouter -eq $null -or $CanReachRouter -eq $False) {$False} else {$True} } if ($IsVirtual) { if ($VMDeployed) { $Output.Add("VirtualizationExtensionsExposed",$True) } else { $Output.Add("VirtualizationExtensionsExposed",$False) } if ($MacAddressSpoofingEnabled -eq $False) { $Output.Add("MacAddressSpoofingEnabled",$False) } elseif ($ExternalvSwitchWorks -eq $True) { $Output.Add("MacAddressSpoofingEnabled",$True) } elseif ($VirtualizationExtensionsExposed -eq $False -or $VirtualizationExtensionsExposed -eq $null) { $Output.Add("MacAddressSpoofingEnabled","Unknown") } else { $Output.Add("MacAddressSpoofingEnabled",$False) } } [pscustomobject]$Output Pop-Location #endregion >> Main Body } |