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Vnet gateway failover and insights (#28517)
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‎src/Network/Network.Test/ScenarioTests/VirtualNetworkGatewayFailoverTests.cs‎

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// ----------------------------------------------------------------------------------
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//
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// Copyright Microsoft Corporation
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// ----------------------------------------------------------------------------------
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using Microsoft.Azure.Commands.Network.Test.ScenarioTests;
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using Microsoft.WindowsAzure.Commands.ScenarioTest;
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using Xunit;
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using Xunit.Abstractions;
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namespace Commands.Network.Test.ScenarioTests
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{
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public class VirtualNetworkGatewayFailoverTests : NetworkTestRunner
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{
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public VirtualNetworkGatewayFailoverTests(ITestOutputHelper output)
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: base(output)
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{
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}
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[Fact(Skip = "Requires pre-created virtual network gateway resources")]
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[Trait(Category.AcceptanceType, Category.CheckIn)]
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[Trait(Category.Owner, NrpTeamAlias.exrdev)]
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public void TestVirtualNetworkGatewayResiliencyInformation()
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{
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TestRunner.RunTestScript("Test-VirtualNetworkGatewayResiliencyInformation");
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}
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[Fact(Skip = "Requires pre-created virtual network gateway resources")]
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[Trait(Category.AcceptanceType, Category.CheckIn)]
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[Trait(Category.Owner, NrpTeamAlias.exrdev)]
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public void TestVirtualNetworkGatewayRoutesInformation()
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{
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TestRunner.RunTestScript("Test-VirtualNetworkGatewayRoutesInformation");
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}
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[Fact(Skip = "Requires pre-created virtual network gateway resources")]
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[Trait(Category.AcceptanceType, Category.CheckIn)]
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[Trait(Category.Owner, NrpTeamAlias.exrdev)]
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public void TestStartVirtualNetworkGatewaySiteFailoverTest()
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{
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TestRunner.RunTestScript("Test-StartAzureVirtualNetworkGatewaySiteFailoverTest");
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}
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// Test for StopAzureVirtualNetworkGatewaySiteFailoverTest cmdlet
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[Fact(Skip = "Requires pre-created virtual network gateway resources")]
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[Trait(Category.AcceptanceType, Category.CheckIn)]
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[Trait(Category.Owner, NrpTeamAlias.exrdev)]
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public void TestStopVirtualNetworkGatewaySiteFailoverTest()
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{
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TestRunner.RunTestScript("Test-StopAzureVirtualNetworkGatewaySiteFailoverTest");
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}
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[Fact(Skip = "Requires pre-created virtual network gateway resources")]
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[Trait(Category.AcceptanceType, Category.CheckIn)]
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[Trait(Category.Owner, NrpTeamAlias.exrdev)]
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public void TestCombinedVirtualNetworkGatewayFailoverTestDetails()
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{
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TestRunner.RunTestScript("Test-CombinedAzureVirtualNetworkGatewayFailoverTestDetails");
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}
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}
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}

‎src/Network/Network.Test/ScenarioTests/VirtualNetworkGatewayFailoverTests.ps1‎

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<#
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.SYNOPSIS
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Tests the retrieval of resiliency information for a virtual network gateway.
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.DESCRIPTION
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This test assumes the virtual network gateway already exists and is properly configured.
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#>
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function Test-VirtualNetworkGatewayResiliencyInformation
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{
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$rgName = "shubhati_failover" # <-- Replace with actual resource group
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$vnetGatewayName = "shubhati_failoverGw" # <-- Replace with actual gateway name
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#Safeguard: Skip test if the resource doesn't exist
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if (-not (Get-AzVirtualNetworkGateway -ResourceGroupName $rgName -Name $vnetGatewayName -ErrorAction SilentlyContinue)) {
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Write-Warning "Test skipped: Virtual Network Gateway '$vnetGatewayName' not found in RG '$rgName'."
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return
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}
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Write-Debug "Fetching resiliency information for Virtual Network Gateway: $vnetGatewayName in RG: $rgName"
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$resultJson = Get-AzVirtualNetworkGatewayResiliencyInformation `
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-ResourceGroupName $rgName `
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-VirtualNetworkGatewayName $vnetGatewayName `
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-AttemptRefresh:$true
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Write-Debug "`nResiliency Info JSON:"
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Write-Debug $resultJson
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# Assert that the result is not null
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Assert-NotNull $resultJson "The resiliency information result is null."
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Write-Debug "`nTest completed successfully."
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}
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<#
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.SYNOPSIS
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Tests the retrieval of route information for a virtual network gateway.
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.DESCRIPTION
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This test assumes the virtual network gateway already exists and is properly configured.
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#>
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function Test-VirtualNetworkGatewayRoutesInformation
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{
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$rgName = "shubhati_failover" # <-- Replace with actual resource group
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$vnetGatewayName = "shubhati_failoverGw" # <-- Replace with actual gateway name
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# Safeguard: Skip test if the resource doesn't exist
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if (-not (Get-AzVirtualNetworkGateway -ResourceGroupName $rgName -Name $vnetGatewayName -ErrorAction SilentlyContinue)) {
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Write-Warning "Test skipped: Virtual Network Gateway '$vnetGatewayName' not found in RG '$rgName'."
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return
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}
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Write-Host "Fetching route information for Virtual Network Gateway: $vnetGatewayName in RG: $rgName"
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# Fetch route information
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$resultJson = Get-AzVirtualNetworkGatewayRoutesInformation `
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-ResourceGroupName $rgName `
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-VirtualNetworkGatewayName $vnetGatewayName
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Write-Debug "`nRoute Information JSON:"
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Write-Debug $resultJson
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# Assert that the result is not null
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Assert-NotNull $resultJson "The route information result is null."
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Write-Debug "`nTest completed successfully."
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}
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<#
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.SYNOPSIS
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Tests the start of the virtual network gateway site failover.
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.DESCRIPTION
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This test triggers the start of a site failover on a virtual network gateway. It assumes the resources are pre-created.
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#>
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function Test-StartAzureVirtualNetworkGatewaySiteFailoverTest
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{
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$rgName = "shubhati_failover" # <-- Replace with actual resource group
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$vnetGatewayName = "shubhati_failoverGw" # <-- Replace with actual gateway name
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$peeringLocation = "London2" # <-- Replace with actual peering location
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# Safeguard: Skip test if the resource doesn't exist
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if (-not (Get-AzVirtualNetworkGateway -ResourceGroupName $rgName -Name $vnetGatewayName -ErrorAction SilentlyContinue)) {
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Write-Warning "Test skipped: Virtual Network Gateway '$vnetGatewayName' not found in RG '$rgName'."
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return
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}
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Write-Debug "Starting failover test for Virtual Network Gateway: $vnetGatewayName in RG: $rgName"
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try {
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# Start failover test
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$resultFailover = Start-AzVirtualNetworkGatewaySiteFailoverTest `
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-ResourceGroupName $rgName `
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-VirtualNetworkGatewayName $vnetGatewayName `
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-PeeringLocation $peeringLocation `
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-Type "SingleSiteFailover"
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Write-Debug "`nFailover Test started successfully."
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}
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catch {
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$errorMessage = $_.Exception.Message
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Write-Error "An error occurred while starting the failover test: $errorMessage"
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throw "Test failed due to exception: $errorMessage"
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}
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}
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<#
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.SYNOPSIS
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Tests the stop of the virtual network gateway site failover.
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.DESCRIPTION
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This test triggers the stop of a site failover on a virtual network gateway. It assumes the resources are pre-created.
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#>
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function Test-StopAzureVirtualNetworkGatewaySiteFailoverTest
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{
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$rgName = "shubhati_failover" # <-- Replace with actual resource group
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$vnetGatewayName = "shubhati_failoverGw" # <-- Replace with actual gateway name
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$peeringLocation = "London2" # <-- Replace with actual peering location
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# Safeguard: Skip test if the resource doesn't exist
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if (-not (Get-AzVirtualNetworkGateway -ResourceGroupName $rgName -Name $vnetGatewayName -ErrorAction SilentlyContinue)) {
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Write-Warning "Test skipped: Virtual Network Gateway '$vnetGatewayName' not found in RG '$rgName'."
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return
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}
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Write-Debug "Waiting for 5 minutes before stopping the failover test for Virtual Network Gateway: $vnetGatewayName in RG: $rgName"
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# Sleep for 5 minutes (300 seconds)
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Start-Sleep -Seconds 300
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Write-Debug "Starting the process of stopping the failover test"
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try{
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# Define failover connection details
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$detail = @(
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[Microsoft.Azure.Management.Network.Models.FailoverConnectionDetails]@{
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FailoverConnectionName = "shubhati_ER_Arista--conn--shubhati_failoverGw"
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FailoverLocation = "eastus2euap"
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IsVerified = $true
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}
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)
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# Stop the failover test
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$resultStopFailover = Stop-AzVirtualNetworkGatewaySiteFailoverTest `
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-ResourceGroupName $rgName `
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-VirtualNetworkGatewayName $vnetGatewayName `
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-PeeringLocation $peeringLocation `
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-Detail $detail `
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-WasSimulationSuccessful $true
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Write-Debug "`nStop Failover Test completed successfully."
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}
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catch {
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$errorMessage = $_.Exception.Message
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Write-Error "An error occurred while stopping the failover test: $errorMessage"
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throw "Test failed due to exception: $errorMessage"
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}
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}
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<#
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.SYNOPSIS
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Tests the retrieval of failover test details for a virtual network gateway.
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.DESCRIPTION
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This test first retrieves a list of all failover tests for a virtual network gateway, then fetches details of a specific failover test based on the first test's results.
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#>
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function Test-CombinedAzureVirtualNetworkGatewayFailoverTestDetails
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{
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$rgName = "shubhati_failover" # <-- Replace with actual resource group
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$vnetGatewayName = "shubhati_failoverGw" # <-- Replace with actual gateway name
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# Safeguard: Skip test if the resource doesn't exist
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if (-not (Get-AzVirtualNetworkGateway -ResourceGroupName $rgName -Name $vnetGatewayName -ErrorAction SilentlyContinue)) {
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Write-Warning "Test skipped: Virtual Network Gateway '$vnetGatewayName' not found in RG '$rgName'."
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return
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}
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Write-Debug "Fetching all failover tests for Virtual Network Gateway: $vnetGatewayName in RG: $rgName"
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# Fetch all failover tests
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$resultAllTests = Get-AzVirtualNetworkGatewayFailoverAllTestsDetail `
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-ResourceGroupName $rgName `
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-VirtualNetworkGatewayName $vnetGatewayName `
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-Type "SingleSiteFailover" `
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-FetchLatest $true
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Write-Debug "`nAll Failover Tests:"
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Write-Debug $resultAllTests
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# Assert that the result is not null or empty
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Assert-NotNull $resultAllTests "The failover all test details are null or empty."
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# Check if there is at least one result and fetch the details of the first test
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if ($resultAllTests.value.Count -gt 0) {
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$firstTest = $resultAllTests.value[0]
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$testGuid = $firstTest.TestGuid
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$peeringLocation = $firstTest.PeeringLocation
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Write-Debug "Fetching details for Failover Test ID: $testGuid at Peering Location: $peeringLocation"
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# Fetch details for a specific failover test using the TestGuid from the previous step
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$resultSingleTest = Get-AzVirtualNetworkGatewayFailoverSingleTestDetail `
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-ResourceGroupName $rgName `
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-VirtualNetworkGatewayName $vnetGatewayName `
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-PeeringLocation $peeringLocation `
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-FailoverTestId $testGuid
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Write-Debug "`nSingle Failover Test Details:"
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Write-Debug $resultSingleTest
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# Assert that the result is not null or empty
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Assert-NotNull $resultSingleTest "The failover single test details for specific test are null or empty."
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# Further assertions can be made depending on the specifics of the test data
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Assert-True ($resultSingleTest.value.Count -gt 0) "No details found for the failover test."
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}
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else {
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Write-Warning "No failover tests were found for Virtual Network Gateway '$vnetGatewayName'."
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}
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Write-Debug "`nCombined Failover Test completed successfully."
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}

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