Sync eng/common directory with azure-sdk-tools for PR 8158 (#5570)

* allow an override FILE to be honored by test-proxy-tool
* update local test-framework to honor proxy override version by default

---------

Co-authored-by: Scott Beddall (from Dev Box) <scbedd@microsoft.com>

eng/common/testproxy/test-proxy-docker.yml

@@ -1,40 +0,0 @@
-parameters:
-  rootFolder: '$(Build.SourcesDirectory)'
-  targetVersion: ''
-  templateRoot: '$(Build.SourcesDirectory)'
-  condition: true
-
-steps:
-  - pwsh: |
-        ${{ parameters.templateRoot }}/eng/common/scripts/trust-proxy-certificate.ps1
-    displayName: 'Language Specific Certificate Trust'
-    condition: and(succeeded(), ${{ parameters.condition }})
-
-  - task: PowerShell@2
-    displayName: 'Override proxy version if necessary'
-    condition: and(succeeded(), ${{ parameters.condition }}, ne('${{ parameters.targetVersion }}', ''))
-    inputs:
-      targetType: filePath
-      filePath: '${{ parameters.templateRoot }}/eng/common/testproxy/scripts/override-proxy-version.ps1'
-      arguments: '-TargetVersion "${{ parameters.targetVersion }}"'
-      pwsh: true
-
-  - pwsh: |
-      docker info
-    displayName: 'Dump active docker information'
-    condition: and(succeeded(), ${{ parameters.condition }})
-
-  - pwsh: |
-      ${{ parameters.templateRoot }}/eng/common/testproxy/docker-start-proxy.ps1 -Mode start -TargetFolder "${{ parameters.rootFolder }}" -VersionOverride="${{ parameters.targetVersion }}"
-    displayName: 'Run the docker container'
-    condition: and(succeeded(), ${{ parameters.condition }})
-
-  - pwsh: |
-      docker container ls -a
-    displayName: Check running container
-    condition: and(succeeded(), ${{ parameters.condition }})
-
-  - pwsh: |
-      Write-Host "##vso[task.setvariable variable=PROXY_MANUAL_START]true"
-    displayName: 'Set PROXY_MANUAL_START'
-    condition: and(succeeded(), ${{ parameters.condition }})

eng/common/testproxy/test-proxy-tool.yml

@@ -22,7 +22,17 @@ steps:
       pwsh: true
 
   - pwsh: |
-      $version = $(Get-Content "${{ parameters.templateRoot }}/eng/common/testproxy/target_version.txt" -Raw).Trim()
+      $standardVersion = "${{ parameters.templateRoot }}/eng/common/testproxy/target_version.txt"
+      $overrideVersion = "${{ parameters.templateRoot }}/eng/target_proxy_version.txt"
+
+      $version = $(Get-Content $standardVersion -Raw).Trim()
+
+      if (Test-Path $overrideVersion) {
+        $version = $(Get-Content $overrideVersion -Raw).Trim()
+      }
+
+      Write-Host "Installing test-proxy version $version"
+
       dotnet tool install azure.sdk.tools.testproxy `
         --tool-path $(Build.BinariesDirectory)/test-proxy `
         --add-source https://pkgs.dev.azure.com/azure-sdk/public/_packaging/azure-sdk-for-net/nuget/v3/index.json `