modules/LoadBalancerMux/private/Get-PublicIpReference.ps1
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# Copyright (c) Microsoft Corporation. # Licensed under the MIT License. function Get-PublicIpReference { <##> [CmdletBinding()] param ( [Parameter(Mandatory = $true)] [uri]$NcUri, [Parameter(Mandatory = $true)] [System.Object]$IpConfiguration, [Parameter(Mandatory = $false)] [System.Management.Automation.PSCredential] [System.Management.Automation.Credential()] $Credential = [System.Management.Automation.PSCredential]::Empty ) try { # check for an instance-level public IP address that is directly associated # with the ipconfiguration and return back to calling function if ($IpConfiguration.properties.publicIPAddress) { "Located {0} associated with {1}" -f $IpConfiguration.properties.publicIPAddress.resourceRef, $IpConfiguration.resourceRef | Trace-Output -Level:Verbose return ($IpConfiguration.properties.publicIPAddress.resourceRef) } else { "Unable to locate an instance-level public IP address associated with {0}" -f $IpConfiguration.resourceRef | Trace-Output -Level:Verbose } # NIC is connected to a load balancer with public IP association # or NIC is not associated to a public IP by any means and instead is connected via implicit load balancer attached to a virtual network "Checking for any backend address pool associated with {0}" -f $IpConfiguration.resourceRef | Trace-Output -Level:Verbose if ($IpConfiguration.properties.loadBalancerBackendAddressPools) { "Located backend address pool associations for {0}" -f $IpConfiguration.resourceRef | Trace-Output -Level:Verbose $loadBalancers = Get-SdnResource -NcUri $NcUri.AbsoluteUri -Resource:LoadBalancers -Credential $Credential $allBackendPoolRefs = @($IpConfiguration.properties.loadBalancerBackendAddressPools.resourceRef) $backendHash = [System.Collections.Hashtable]::new() foreach ($group in $loadBalancers.properties.backendAddressPools | Group-Object resourceRef) { [void]$backendHash.Add($group.Name, $group.Group) } foreach ($backendPoolRef in $allBackendPoolRefs) { "Checking for outboundNatRules for {0}" -f $backendPoolRef | Trace-Output -Level:Verbose $bePool = $backendHash[$backendPoolRef] if ($bePool.properties.outboundNatRules) { "Located outboundNatRule associated with {0}" -f $bePool.resourceRef | Trace-Output -Level:Verbose $obRuleRef = $bePool.properties.outboundNatRules[0].resourceRef break } } if ($obRuleRef) { $natRule = $loadBalancers.properties.outboundNatRules | Where-Object { $_.resourceRef -eq $obRuleRef } $frontendConfig = $loadBalancers.properties.frontendIPConfigurations | Where-Object { $_.resourceRef -eq $natRule.properties.frontendIPConfigurations[0].resourceRef } "Located {0} associated with {0}" -f $frontendConfig.resourceRef, $natRule.resourceRef | Trace-Output -Level:Verbose return ($frontendConfig.properties.publicIPAddress.resourceRef) } else { "Unable to locate outboundNatRules associated with {0}" -f $IpConfiguration.properties.loadBalancerBackendAddressPools.resourceRef | Trace-Output -Level:Verbose } } else { "Unable to locate any backend pools associated with {0}" -f $IpConfiguration.resourceRef | Trace-Output -Level:Verbose } return $null } catch { "{0}`n{1}" -f $_.Exception, $_.ScriptStackTrace | Trace-Output -Level:Error } } |