feat: add PSGallery to network check endpoints and wire NetworkConnectivity into Deploy-Accelerator

Co-authored-by: jtracey93 <41163455+jtracey93@users.noreply.github.com>
Agent-Logs-Url: https://github.com/Azure/ALZ-PowerShell-Module/sessions/f1695757-ab9f-4be9-a440-009ed85a14bd

Author: Copilot

src/ALZ/Private/Tools/Checks/Test-NetworkConnectivity.ps1

@@ -10,7 +10,8 @@ function Test-NetworkConnectivity {
         @{ Uri = "https://github.com";                 Description = "GitHub (module downloads)" },
         @{ Uri = "https://api.releases.hashicorp.com"; Description = "HashiCorp Releases API (Terraform version)" },
         @{ Uri = "https://releases.hashicorp.com";     Description = "HashiCorp Releases (Terraform binary download)" },
-        @{ Uri = "https://management.azure.com";       Description = "Azure Management API" }
+        @{ Uri = "https://management.azure.com";       Description = "Azure Management API" },
+        @{ Uri = "https://www.powershellgallery.com";  Description = "PowerShell Gallery (module installs/updates)" }
     )
 
     foreach ($endpoint in $endpoints) {

src/ALZ/Public/Deploy-Accelerator.ps1

@@ -250,6 +250,9 @@ function Deploy-Accelerator {
                 $checks += "YamlModuleAutoInstall"
             }
         }
+        if (-not $skip_internet_checks.IsPresent) {
+            $checks += "NetworkConnectivity"
+        }
         $toolingResult = Test-Tooling -Checks $checks -destroy:$destroy.IsPresent
     }
 

src/Tests/Unit/Private/Test-NetworkConnectivity.Tests.ps1

@@ -37,9 +37,9 @@ InModuleScope 'ALZ' {
                 }
             }
 
-            It 'returns one result per endpoint (5 total)' {
+            It 'returns one result per endpoint (6 total)' {
                 $result = Test-NetworkConnectivity
-                $result.Results.Count | Should -Be 5
+                $result.Results.Count | Should -Be 6
             }
         }
 
@@ -74,7 +74,7 @@ InModuleScope 'ALZ' {
             It 'still returns Success results for the reachable endpoints' {
                 $result = Test-NetworkConnectivity
                 $successResults = @($result.Results | Where-Object { $_.result -eq "Success" })
-                $successResults.Count | Should -Be 4
+                $successResults.Count | Should -Be 5
             }
         }
 
@@ -97,14 +97,14 @@ InModuleScope 'ALZ' {
                 }
             }
 
-            It 'returns one result per endpoint (5 total)' {
+            It 'returns one result per endpoint (6 total)' {
                 $result = Test-NetworkConnectivity
-                $result.Results.Count | Should -Be 5
+                $result.Results.Count | Should -Be 6
             }
 
             It 'checks all endpoints and does not stop at the first failure' {
                 $result = Test-NetworkConnectivity
-                Should -Invoke -CommandName Invoke-WebRequest -Times 5 -Scope It
+                Should -Invoke -CommandName Invoke-WebRequest -Times 6 -Scope It
             }
         }
     }