Added additional logs to identify script errors in AzurePowerShellV4

Tasks/AzurePowerShellV4/AzurePowerShell.ps1

@@ -13,6 +13,7 @@ $customTargetAzurePs = Get-VstsInput -Name CustomTargetAzurePs
 $input_pwsh = Get-VstsInput -Name pwsh -AsBool
 $input_workingDirectory = Get-VstsInput -Name workingDirectory -Require
 
+Write-Host "## Stage 1: Input Validation"
 # Validate the script path and args do not contains new-lines. Otherwise, it will
 # break invoking the script via Invoke-Expression.
 if ($scriptType -eq "FilePath") {
@@ -45,20 +46,38 @@ if ($targetAzurePs -eq $latestVersion) {
 } elseif (-not($regex.IsMatch($targetAzurePs))) {
     throw (Get-VstsLocString -Key InvalidAzurePsVersion -ArgumentList $targetAzurePs)
 }
+Write-Host "## Stage 1: Input Validation Complete" 
 
+Write-Host "## Stage 2: Initialize Azure"
 . "$PSScriptRoot\Utility.ps1"
 
 $serviceName = Get-VstsInput -Name ConnectedServiceNameARM -Require
 $endpoint = Get-VstsEndpoint -Name $serviceName -Require
 CleanUp-PSModulePathForHostedAgent
 Update-PSModulePathForHostedAgent -targetAzurePs $targetAzurePs
 
+# troubleshoot link
+$troubleshoot = "https://docs.microsoft.com/en-us/azure/devops/pipelines/tasks/deploy/azure-powershell?view=azure-devops#troubleshooting"
+$status = $true
 try 
 {
     # Initialize Azure.
     Import-Module $PSScriptRoot\ps_modules\VstsAzureHelpers_
     Initialize-AzModule -Endpoint $endpoint -azVersion $targetAzurePs
-
+    Write-Host "## Stage 2: Initialize Azure Complete"
+}
+catch {
+    $status = $false
+    throw
+}
+finally {
+    if (!$status) {
+        Write-Host "## Initialize Azure failed: For troubleshooting, refer: $troubleshoot"
+    }
+}
+
+Write-Host "## Stage 3: Running script"
+try {
     if ($input_pwsh)
     {
             # Generate the script contents.
@@ -247,4 +266,5 @@ finally {
     Import-Module $PSScriptRoot\ps_modules\VstsAzureHelpers_
     Remove-EndpointSecrets
     Disconnect-AzureAndClearContext -ErrorAction SilentlyContinue
-}
+}
+Write-Host "## Stage 3: Running script Complete"

Tasks/AzurePowerShellV4/task.json

@@ -17,7 +17,7 @@
     "version": {
         "Major": 4,
         "Minor": 159,
-        "Patch": 11
+        "Patch": 12
     },
     "releaseNotes": "Added support for Az Module and cross platform agents.",
     "groups": [

Tasks/AzurePowerShellV4/task.loc.json

@@ -17,7 +17,7 @@
   "version": {
     "Major": 4,
     "Minor": 159,
-    "Patch": 11
+    "Patch": 12
   },
   "releaseNotes": "ms-resource:loc.releaseNotes",
   "groups": [