Azure - Add http listener to existing ApplicationGateway through ps command

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I am trying to add a new listener to existing Azure application gateway using powershell script. Here's the command I have used.

Add-AzApplicationGatewayHttpListener -ApplicationGateway $Appgw -Name $listenerName -FrontendIPConfiguration $fipconfig -FrontendPort $port -SslCertificate $cert -HostName $hostName -Protocol "Https" -Debug

All the variables are correctly initialized. Command executes well and return ApplicationGateway object which seems normal. However the newly added listener is not visible in Azure portal. After watching carefully the new listener in ApplicationGateway object (in powershell) it just show below resource path,

/subscriptions/<subscription-id>/resourceGroups/ResourceGroupNotSet/providers/Microsoft.Network/applicationGateways/ApplicationGatewayNameNotSet/httpListeners/<new-listener-name>

two things doesn't seem normal here,

ResourceGroupNotSet

ApplicationGatewayNameNotSet

Can anyone please suggest what could be the reason behind this? and why the listener is not shown in portal at all?

azure-powershell azure
1 Answers

According to my test, if we want to add HTTP listener to existing Azure Application gateway with Powershell, we need to run the command Set-AzApplicationGateway -ApplicationGateway $appgw after you run the command Add-AzApplicationGatewayHttpListener. Because the command Add-AzApplicationGatewayHttpListener just will create a new HTTP listener but it will not update the application gateway.

Connect-AzAccount

$AppGWname ="stantest"
$groupName="stan"
$ipName="appGwPublicFrontendIp"
$portName="port_80"
$listenerName="test1"


$appgw= Get-AzApplicationGateway -Name $AppGWname -ResourceGroupName $groupName
$FEC= Get-AzApplicationGatewayFrontendIPConfig -Name $ipName -ApplicationGateway $appgw



Add-AzApplicationGatewayFrontendPort -ApplicationGateway $appgw -Name $portName -Port 80
$port =Get-AzApplicationGatewayFrontendPort -ApplicationGateway $appgw -Name $portName


Add-AzApplicationGatewayHttpListener -ApplicationGateway $appgw -Name $listenerName -FrontendIPConfiguration $FEC -FrontendPort $port -Protocol Http

Set-AzApplicationGateway -ApplicationGateway $appgw

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user_105050400
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