[Identity] Fix MI pipeline resources creation

eng/common/TestResources/New-TestResources.ps1

@@ -127,6 +127,31 @@ param (
 . $PSScriptRoot/TestResources-Helpers.ps1
 . $PSScriptRoot/SubConfig-Helpers.ps1
 
+function SerializeForTrace($value) {
+    if ($null -eq $value) {
+        return '<null>'
+    }
+
+    try {
+        return ($value | ConvertTo-Json -Depth 20 -Compress)
+    }
+    catch {
+        return "<serialization failed: $($_.Exception.Message)>"
+    }
+}
+
+function TraceParameterSnapshot($step) {
+    Write-Verbose "[TraceParameterFlow] Step: $step"
+    Write-Verbose "[TraceParameterFlow] ArmTemplateParameters: $(SerializeForTrace $ArmTemplateParameters)"
+    Write-Verbose "[TraceParameterFlow] AdditionalParameters: $(SerializeForTrace $AdditionalParameters)"
+    Write-Verbose "[TraceParameterFlow] PSBoundParameters: $(SerializeForTrace $PSBoundParameters)"
+}
+
+function TraceTemplateParameters($step, $templateParametersSnapshot) {
+    Write-Verbose "[TraceParameterFlow] Step: $step"
+    Write-Verbose "[TraceParameterFlow] templateParameters: $(SerializeForTrace $templateParametersSnapshot)"
+}
+
 $wellKnownTMETenants = @('70a036f6-8e4d-4615-bad6-149c02e7720d')
 
 # People keep passing this legacy parameter. Throw an error to save them future keystrokes
@@ -687,6 +712,7 @@ try {
         }
 
         if (Test-Path $postDeploymentScript) {
+            TraceParameterSnapshot "Entered post-deployment script branch for '$postDeploymentScript'"
             if ($SelfContainedPostScript) {
                 Log "Creating invokable post-deployment script '$SelfContainedPostScript' from '$postDeploymentScript'"
 
@@ -709,10 +735,13 @@ $serialized
 # Set global variables that aren't always passed as parameters
 `$ResourceGroupName = `$parameters.ResourceGroupName
 `$AdditionalParameters = `$parameters.AdditionalParameters
+`$ArmTemplateParameters = `$parameters.ArmTemplateParameters
 `$DeploymentOutputs = `$parameters.DeploymentOutputs
 $postDeploymentScript `@parameters
 "@
                 $outScript | Out-File $SelfContainedPostScript
+                Write-Verbose "[TraceParameterFlow] Step: Out script content before writing '$SelfContainedPostScript'"
+                Write-Verbose "[TraceParameterFlow] outScript: $outScript"
             } else {
                 Log "Invoking post-deployment script '$postDeploymentScript'"
                 &$postDeploymentScript -ResourceGroupName $ResourceGroupName -DeploymentOutputs $deploymentOutputs @PSBoundParameters

sdk/identity/identity/tests.yml

@@ -22,7 +22,7 @@ extends:
         SKIP_SP_LIVE_TESTS: "true"
 
       ${{ if endsWith(variables['Build.DefinitionName'], 'weekly') }}:
-        AdditionalMatrixConfigs:
+        MatrixConfigs:
           - Name: Identity_msi_live_test_base
             Path: sdk/identity/identity/managed-identity-matrix.json
             Selection: sparse

sdk/identity/test-resources-post.ps1

@@ -31,7 +31,7 @@ param(
   $RemainingArguments
 )
 
-if (!$AdditionalParameters['deployMIResources']) {
+if (!$ArmTemplateParameters['deployMIResources']) {
     Write-Host "Skipping post-provisioning script because resources weren't deployed"
     return
 }