functions/LoadBalancer/SetupLoadBalancer.ps1
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<#
.SYNOPSIS SetupLoadBalancer .DESCRIPTION SetupLoadBalancer .INPUTS SetupLoadBalancer - The name of SetupLoadBalancer .OUTPUTS None .EXAMPLE SetupLoadBalancer .EXAMPLE SetupLoadBalancer #> function SetupLoadBalancer() { [CmdletBinding()] param ( [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [string] $baseUrl , [Parameter(Mandatory = $true)] [ValidateNotNull()] $config , [Parameter(Mandatory = $true)] [ValidateNotNull()] [bool] $local ) Write-Verbose 'SetupLoadBalancer: Starting' [string] $resourceGroup = $config.azure.resourceGroup AssertStringIsNotNullOrEmpty $resourceGroup [string] $location = $config.azure.location AssertStringIsNotNullOrEmpty $location [string] $customerid = $config.customerid AssertStringIsNotNullOrEmpty $customerid $customerid = $customerid.ToLower().Trim() Write-Verbose "Customer ID: $customerid" [string] $ingressExternalType = $config.ingress.external.type [string] $ingressInternalType = $config.ingress.internal.type if ([string]::IsNullOrWhiteSpace($ingressExternalType)) { # https://kevinmarquette.github.io/2017-04-10-Powershell-exceptions-everything-you-ever-wanted-to-know/ throw "ingress.external.type is null in config" } if ([string]::IsNullOrWhiteSpace($ingressInternalType)) { throw "ingress.internal.type is null in config" } if ([string]::IsNullOrWhiteSpace($($config.dns.name))) { throw "dns.name is null in config" } [string] $whiteListIp = $config.ingress.external.whitelist Write-Verbose "Found vnet info from secret: vnet: $AKS_VNET_NAME, subnet: $AKS_SUBNET_NAME, subnetResourceGroup: $AKS_SUBNET_RESOURCE_GROUP" if ($ingressExternalType -eq "whitelist") { Write-Host "Whitelist: $whiteListIp" SaveSecretValue -secretname whitelistip -valueName iprange -value "${whiteListIp}" } if ($($config.ssl) ) { # if the SSL cert is not set in kube secrets then ask for the files # ask for tls cert files [string] $sslCertFolder = $($config.ssl_folder) if ((!(Test-Path -Path "$sslCertFolder"))) { Write-Error "SSL Folder does not exist: $sslCertFolder" } [string] $sslCertFolderUnixPath = (($sslCertFolder -replace "\\", "/")).ToLower().Trim("/") kubectl delete secret traefik-cert-ahmn -n kube-system --ignore-not-found=true if ($($config.ssl_merge_intermediate_cert)) { # download the intermediate certificate and append to certificate [string] $intermediatecert = $(Invoke-WebRequest -UseBasicParsing -Uri "$baseUrl/intermediate.crt").Content [string] $sitecert = Get-Content "$sslCertFolder\tls.crt" -Raw [string] $siteplusintermediatecert = $sitecert + $intermediatecert $siteplusintermediatecert | Out-File -FilePath "$sslCertFolder\tlsplusintermediate.crt" Write-Host "Storing TLS certs plus intermediate cert from $sslCertFolderUnixPath as kubernetes secret" kubectl create secret generic traefik-cert-ahmn -n kube-system --from-file="$sslCertFolderUnixPath/tlsplusintermediate.crt" --from-file="$sslCertFolderUnixPath/tls.key" } else { Write-Host "Storing TLS certs from $sslCertFolderUnixPath as kubernetes secret" kubectl create secret generic traefik-cert-ahmn -n kube-system --from-file="$sslCertFolderUnixPath/tls.crt" --from-file="$sslCertFolderUnixPath/tls.key" } } else { Write-Host "SSL option was not specified in the deployment config: $($config.ssl)" } [string] $externalSubnetName = "" if ($($config.ingress.external.subnet)) { $externalSubnetName = $($config.ingress.external.subnet); } elseif ($($config.networking.subnet)) { $externalSubnetName = $($config.networking.subnet); } [string] $externalIp = "" if ($($config.ingress.external.ipAddress)) { $externalIp = $($config.ingress.external.ipAddress); } elseif ("$($config.ingress.external.type)" -ne "vnetonly") { Write-Verbose "Setting up a public load balancer" [string] $ipResourceGroup = $resourceGroup [string] $publicIpName = "IngressPublicIP" $externalIpObject = Get-AzureRmPublicIpAddress -Name $publicIpName -ResourceGroupName $ipResourceGroup if ($externalIpObject -eq $null) { New-AzureRmPublicIpAddress -Name $publicIpName -ResourceGroupName ipResourceGroup -AllocationMethod Static -Location $location $externalIpObject = Get-AzureRmPublicIpAddress -Name $publicIpName -ResourceGroupName $ipResourceGroup } $externalip = $externalIpObject.IpAddress Write-Host "Using Public IP: [$externalip]" } [string] $internalSubnetName = "" if ($($config.ingress.internal.subnet)) { $internalSubnetName = $($config.ingress.internal.subnet); } elseif ($($config.networking.subnet)) { $internalSubnetName = $($config.networking.subnet); } [string] $internalIp = "" if ($($config.ingress.internal.ipAddress)) { $internalIp = $($config.ingress.internal.ipAddress); } [bool] $ssl = $($($config.ssl) -eq "true") $packageUrl = "https://raw.githubusercontent.com/HealthCatalyst/helm.loadbalancer/master/fabricloadbalancer-1.0.0.tgz" InstallLoadBalancerHelmPackage ` -packageUrl $packageUrl ` -ssl $ssl ` -ingressInternalType "$ingressInternalType" ` -ingressExternalType "$ingressExternalType" ` -externalSubnet "$externalSubnetName" ` -externalIp "$externalip" ` -internalSubnet "$internalSubnetName" ` -internalIp "$internalIp" # setting up traefik # https://github.com/containous/traefik/blob/master/docs/user-guide/kubernetes.md Write-Host "Checking load balancers" $loadBalancerIPResult = GetLoadBalancerIPs $externalIp = $loadBalancerIPResult.ExternalIP $internalIp = $loadBalancerIPResult.InternalIP Write-Host "IP for public loadbalancer: [$externalIp], private load balancer: [$internalIp]" if ($($config.ingress.fixloadbalancer)) { FixLoadBalancers -resourceGroup $resourceGroup } # if($($config.ingress.loadbalancerconfig)){ # MoveInternalLoadBalancerToIP -subscriptionId $($(GetCurrentAzureSubscription).AKS_SUBSCRIPTION_ID) -resourceGroup $resourceGroup ` # -subnetResourceGroup $config.ingress.loadbalancerconfig.subnet_resource_group -vnetName $config.ingress.loadbalancerconfig.vnet ` # -subnetName $config.ingress.loadbalancerconfig.subnet -newIpAddress $config.ingress.loadbalancerconfig.privateIpAddress # } [string] $dnsrecordname = $($config.dns.name) SaveSecretValue -secretname "dnshostname" -valueName "value" -value $dnsrecordname -namespace "default" if ($($config.dns.create_dns_entries)) { SetupDNS -dnsResourceGroup $DNS_RESOURCE_GROUP -dnsrecordname $dnsrecordname -externalIP $externalIp } else { Write-Host "To access the urls from your browser, add the following entries in your c:\windows\system32\drivers\etc\hosts file" Write-Host "$externalIp $dnsrecordname" } Write-Verbose 'SetupLoadBalancer: Done' } Export-ModuleMember -Function "SetupLoadBalancer" |