Add installing DSC v3

Author: adityapatwardhan

.ci/ci.yml

@@ -17,6 +17,9 @@ resources:
     endpoint: ComplianceGHRepo
     name: PowerShell/compliance
 
+parameters:
+  DSCVersion: '3.2.0-preview.13'
+
 variables:
   - group: GithubTestingFeedCreds
 
@@ -122,29 +125,34 @@ stages:
       jobName: TestPkgWin
       displayName: PowerShell Core on Windows
       imageName: windows-latest
+      DSCVersion: ${{ parameters.DSCVersion }}
 
   - template: test.yml
     parameters:
       jobName: TestPkgWinPS
       displayName: Windows PowerShell on Windows
       imageName: windows-latest
       powershellExecutable: powershell
+      DSCVersion: ${{ parameters.DSCVersion }}
 
   - template: test.yml
     parameters:
       jobName: TestPkgUbuntu
       displayName: PowerShell Core on Ubuntu
       imageName: ubuntu-latest
+      DSCVersion: ${{ parameters.DSCVersion }}
 
   - template: test.yml
     parameters:
       jobName: TestPkgWinMacOS
       displayName: PowerShell Core on macOS
       imageName: macOS-latest
+      DSCVersion: ${{ parameters.DSCVersion }}
 
   - template: test.yml
     parameters:
       jobName: TestPkgWinAzAuth
       displayName: AzAuth PowerShell Core on Windows
       imageName: windows-latest
       useAzAuth: true
+      DSCVersion: ${{ parameters.DSCVersion }}

.ci/test.yml

@@ -5,6 +5,7 @@ parameters:
   powershellExecutable: pwsh
   buildDirectory: '.'
   useAzAuth: false
+  DSCVersion: '3.2.0-preview.13'
 
 jobs:
 - job: ${{ parameters.jobName }}
@@ -95,6 +96,51 @@ jobs:
     displayName: 'Setup Azure Artifacts Credential Provider secret'
     condition: eq(${{ parameters.useAzAuth }}, false)
 
+  - pwsh: |
+      $version = ${{ parameters.DSCVersion }}
+      $packageName = "DSC-$version"
+      $ext = 'tar.gz'
+
+      $uri = if ($IsWindows) {
+        $ext = 'zip'
+        "https://github.com/PowerShell/DSC/releases/download/v$version/DSC-$version-x86_64-pc-windows-msvc.zip"
+      } else if ($IsLinux) {
+        "https://github.com/PowerShell/DSC/releases/download/v$version/DSC-$version-x86_64-linux.tar.gz"
+      }
+      else if ($IsMacOS) {
+        "https://github.com/PowerShell/DSC/releases/download/v$version/DSC-$version-aarch64-apple-darwin.tar.gz"
+      }
+      else {
+        throw "Unsupported OS platform"
+      }
+
+      $destPath = Join-Path -Path $env:AGENT_TEMPDIRECTORY -ChildPath "$packageName.$ext"
+
+      Write-Verbose -Verbose "Downloading DSC v3 from $uri to $destPath"
+
+      Invoke-WebRequest -Uri $uri -OutFile $destPath
+
+      if ($IsWindows) {
+        Expand-Archive -Path $destPath -DestinationPath $env:AGENT_TEMPDIRECTORY -Force
+      }
+      else {
+        tar -xzf $destPath -C $env:AGENT_TEMPDIRECTORY
+      }
+
+      $executable = Get-ChildItem -Path $destPath -File -Recurse | Where-Object { $_.Name -eq 'dsc' } | Select-Object -First 1
+
+      if (-not $executable) {
+        throw "Could not find dsc executable in the downloaded package"
+      }
+
+      $dscRoot = Split-Path -Path $executable.FullName -Parent
+
+      $vstsCommandString = "vso[task.setvariable variable=DSC_ROOT]$dscRoot"
+      Write-Host "sending " + $vstsCommandString
+      Write-Host "##$vstsCommandString"
+
+    displayName: 'Install latest DSC v3'
+
   - pwsh: |
       Get-ChildItem -Path env: | Out-String -width 9999 -Stream | Write-Verbose -Verbose
     displayName: Capture environment

src/code/ContainerRegistryServerAPICalls.cs

@@ -1001,8 +1001,6 @@ internal JObject GetHttpResponseJObjectUsingDefaultHeaders(string url, HttpMetho
                     _cmdletPassedIn);
             }
 
-            _cmdletPassedIn.WriteVerbose("Exiting ContainerRegistryServerAPICalls::GetHttpResponseJObjectUsingDefaultHeaders() with NULL");
-
             return null;
         }