Public/Deploy/IaaS/vpngw/New-CmAzIaasVpnGw.ps1
|
function New-CmAzIaasVpnGw { <# .Synopsis Set Virtual private network Gateway in Azure Vnet .Description Completes the following: * This script creates Vpn Gateways in provided Vnets. * Optionally configures P2s and S2s. * Secrets and certificates are securely retrieved from Keyvault .Parameter SettingsFile File path for the settings file to be converted into a settings object. .Parameter SettingsObject Object containing the configuration values required to run this cmdlet. .Parameter TagSettingsFile File path for the tag settings file to be converted into a tag settings object. .Component IaaS .Example New-CmAzIaasVpnGw -SettingsFile "VpnGw.yml" .Example New-CmAzIaasVpnGw -SettingsObject $settings #> [CmdletBinding(SupportsShouldProcess, ConfirmImpact = "Medium")] param( [parameter(Mandatory = $true, ParameterSetName = "Settings File")] [String]$SettingsFile, [parameter(Mandatory = $true, ParameterSetName = "Settings Object")] [Object]$SettingsObject, [String]$TagSettingsFile ) $ErrorActionPreference = "Stop" try { Get-InvocationInfo -CommandName $MyInvocation.MyCommand.Name $SettingsObject = Get-Settings -SettingsFile $SettingsFile -SettingsObject $SettingsObject -CmdletName (Get-CurrentCmdletName -ScriptRoot $PSCommandPath) if ($PSCmdlet.ShouldProcess((Get-CmAzSubscriptionName), "Set Virtual private network Gateway in Azure Vnet")) { $SettingsObject.resourceGroupName = (Get-CmAzService -Service $SettingsObject.service.dependencies.resourcegroup -IsResourceGroup -ThrowIfUnavailable -ThrowIfMultiple).ResourceGroupName [System.Collections.ArrayList]$resourcesToBeSet = @() foreach ($vpnGw in $SettingsObject.VpnGw) { Set-GlobalServiceValues -GlobalServiceContainer $SettingsObject -ServiceKey "vnet" -ResourceServiceContainer $vpnGw -IsDependency Set-GlobalServiceValues -GlobalServiceContainer $SettingsObject -ServiceKey "resourceGroup" -ResourceServiceContainer $vpnGw -IsDependency $vpnGw.VirtualNetworkName = (Get-CmAzService -Service $vpnGw.service.dependencies.vnet -ThrowIfUnavailable -ThrowIfMultiple).name $vnetObject = Get-AzVirtualNetwork -Name $vpnGw.VirtualNetworkName # Check if "GatewaySubnet Exists" Write-Verbose "Checking if 'GatewaySubnet' exists in Vnet." $gatewaySubnet = Get-AzVirtualNetworkSubnetConfig -Name "GatewaySubnet" -VirtualNetwork $vnetObject -ErrorAction SilentlyContinue if (!$gatewaySubnet) { Write-Verbose "GatewaySubnet not found." if (!$vpnGw.GatewaySubnetPrefix) { Write-Error "GatewaySubnet doesnt exist, please provide GatewaySubnetPrefix to create one." -TargetObject $vpnGw.GatewaySubnetPrefix } Write-Verbose "$($vpnGw.GatewaySubnetPrefix) will be used to create GatewaySubnet in Vnet" } else { Write-Verbose "GatewaySubnet Found!" $vpnGw.GatewaySubnetPrefix = "" } $vpnGw.GatewayPublicIpName = Get-CmAzResourceName ` -Resource "PublicIPAddress" ` -Architecture "IaaS" ` -Region $SettingsObject.location ` -Name $vpnGw.GatewayName $vpnGw.GatewayName = Get-CmAzResourceName ` -Resource "VirtualNetworkGateway" ` -Architecture "IaaS" ` -Region $SettingsObject.location ` -Name $vpnGw.GatewayName if ($vpnGw.P2s -or $vpnGw.S2s) { Write-Verbose "P2s or S2s configuration found. Checking dependencies.." Set-GlobalServiceValues -GlobalServiceContainer $SettingsObject -ServiceKey "keyvault" -ResourceServiceContainer $vpnGw -IsDependency } if (!$vpnGw.P2s.VpnAddressPool -or !$vpnGw.service.dependencies.keyvault -or !$vpnGw.P2s.RootCertificateName) { Write-Verbose "P2s configuration not found." $vpnGw.P2s = @{} $vpnGw.P2s.VpnAddressPool = "" $vpnGw.P2s.ClientRootCertData = "" $vpnGw.P2s.RootCertificateName = "" } else { $keyVaultService = Get-CmAzService -Service $vpnGw.service.dependencies.keyvault -ThrowIfUnavailable -ThrowIfMultiple # This approach is because Vpn Gw expects Raw certificate data $keyVaultCertificateObject = Get-AzKeyVaultCertificate -VaultName $keyVaultService.name -Name $vpnGw.P2s.RootCertificateName $vpnGw.P2s.ClientRootCertData = [Convert]::ToBase64String($keyVaultCertificateObject.Certificate.GetRawCertData()) if (!$vpnGw.P2s.ClientRootCertData) { Write-Verbose "Certificate Not Found! P2s will not be configured." $vpnGw.P2s = @{} $vpnGw.P2s.VpnAddressPool = "" $vpnGw.P2s.RootCertificateName = "" $vpnGw.P2s.ClientRootCertData = "" } else { Write-Verbose "Certificate $($vpnGw.P2s.RootCertificateName) found, p2s will be configured." } } if (!$vpnGw.S2s.ClientSitePublicIP -or !$vpnGw.S2s.CidrBlocks -or !$vpnGw.service.dependencies.keyvault ) { Write-Verbose "S2s configuration not found." $vpnGw.S2s = @{} $vpnGw.S2s.CidrBlocks = @() $vpnGw.S2s.ClientSitePublicIP = "" $vpnGw.S2s.SharedKey = "" $vpnGw.S2s.localGatewayName = "none" } else { # This apporach is because Key vault reference cannot be used directly in Arm template because of conflict with copy # SharedKeyObject is created to resolve with CLIXML type of object created when you run Az commands. $keyVaultService = Get-CmAzService -Service $vpnGw.service.dependencies.keyvault -ThrowIfUnavailable -ThrowIfMultiple $vpnGw.S2s.SharedKey = [System.Collections.ArrayList]@() $vpnGw.S2s.SharedKeyObject = (Get-AzKeyVaultSecret -Name $vpnGw.S2s.KeyVaultSecret -VaultName ($keyVaultService.name)).SecretValueText $vpnGw.S2s.SharedKey = $vpnGw.S2s.SharedKeyObject.ToString() if (!$vpnGw.S2s.SharedKey) { Write-Verbose "Secret could not be retrieved! S2s configuration will be skipped." $vpnGw.S2s = @{} $vpnGw.S2s.CidrBlocks = @() $vpnGw.S2s.ClientSitePublicIP = "" $vpnGw.S2s.SharedKey = "" $vpnGw.S2s.localGatewayName = "none" } else { Write-Verbose "Secret '$($vpnGw.S2s.KeyVaultSecret)' was found, s2s will be configured." $vpnGw.S2s.localGatewayName = Get-CmAzResourceName ` -Resource "LocalNetworkGateway" ` -Architecture "IaaS" ` -Region $SettingsObject.location ` -Name $vpnGw.GatewayName $resourcesToBeSet += $vpnGw.S2s.localGatewayName } } Set-GlobalServiceValues -GlobalServiceContainer $SettingsObject -ServiceKey "publicIp" -ResourceServiceContainer $vpnGw Set-GlobalServiceValues -GlobalServiceContainer $SettingsObject -ServiceKey "virtualNetworkGateway" -ResourceServiceContainer $vpnGw Set-GlobalServiceValues -GlobalServiceContainer $SettingsObject -ServiceKey "localNetworkGateway" -ResourceServiceContainer $vpnGw } New-AzResourceGroupDeployment ` -Name 'CmAz_VpnGW_Parent' ` -ResourceGroupName $SettingsObject.ResourceGroupName ` -TemplateFile "$PSScriptRoot\New-CmAzIaasVpnGw.json" ` -VpnGwObject $SettingsObject ` -Location $SettingsObject.location ` -Force $resourcesToBeSet += $SettingsObject.vpnGw.gatewayPublicIpName $resourcesToBeSet += $SettingsObject.vpnGw.gatewayName Set-DeployedResourceTags -TagSettingsFile $TagSettingsFile -ResourceIds $resourceIds Write-Verbose "Finished." } } catch { $PSCmdlet.ThrowTerminatingError($PSItem) } } |