Sync eng/common directory with azure-sdk-tools for PR 3212 (Azure#17731)

* bump consumed version of test proxy. update scripting to target the fully cross-platform image tag name.
* update target version of the test-proxy to one that enforces http/1.1
* pin previous version of the test-proxy to unblock CI

Co-authored-by: scbedd <45376673+scbedd@users.noreply.github.com>

eng/common/testproxy/docker-start-proxy.ps1

@@ -38,8 +38,7 @@ catch {
 
 $SELECTED_IMAGE_TAG = $(Get-Content "$PSScriptRoot/target_version.txt" -Raw).Trim()
 $CONTAINER_NAME = "ambitious_azsdk_test_proxy"
-$LINUX_IMAGE_SOURCE = "azsdkengsys.azurecr.io/engsys/testproxy-lin:${SELECTED_IMAGE_TAG}"
-$WINDOWS_IMAGE_SOURCE = "azsdkengsys.azurecr.io/engsys/testproxy-win:${SELECTED_IMAGE_TAG}"
+$IMAGE_SOURCE = "azsdkengsys.azurecr.io/engsys/testproxy:${SELECTED_IMAGE_TAG}"
 
 if($VersionOverride) { 
     Write-Host "Overriding default target proxy version of '$SELECTED_IMAGE_TAG' with override $VersionOverride."
@@ -58,16 +57,13 @@ function Get-Proxy-Container(){
                 | Select-Object -First 1)
 }
 
-
-$SelectedImage = $LINUX_IMAGE_SOURCE
 $Initial = ""
 $AdditionalContainerArgs = "--add-host=host.docker.internal:host-gateway"
 
 # most of the time, running this script on a windows machine will work just fine, as docker defaults to linux containers
 # however, in CI, windows images default to _windows_ containers. We cannot swap them. We can tell if we're in a CI build by
 # checking for the environment variable TF_BUILD.
 if ($IsWindows -and $env:TF_BUILD){
-    $SelectedImage = $WINDOWS_IMAGE_SOURCE
     $Initial = "C:"
     $AdditionalContainerArgs = ""
 }
@@ -93,9 +89,9 @@ if ($Mode -eq "start"){
     else {
         $attempts = 0
         Write-Host "Attempting creation of Docker host $CONTAINER_NAME"
-        Write-Host "docker container create -v `"${root}:${Initial}/srv/testproxy`" $AdditionalContainerArgs -p 5001:5001 -p 5000:5000 --name $CONTAINER_NAME $SelectedImage"
+        Write-Host "docker container create -v `"${root}:${Initial}/srv/testproxy`" $AdditionalContainerArgs -p 5001:5001 -p 5000:5000 --name $CONTAINER_NAME $IMAGE_SOURCE"
         while($attempts -lt 3){
-            docker container create -v "${root}:${Initial}/srv/testproxy" $AdditionalContainerArgs -p 5001:5001 -p 5000:5000 --name $CONTAINER_NAME $SelectedImage
+            docker container create -v "${root}:${Initial}/srv/testproxy" $AdditionalContainerArgs -p 5001:5001 -p 5000:5000 --name $CONTAINER_NAME $IMAGE_SOURCE
 
             if($LASTEXITCODE -ne 0){
                 $attempts += 1

eng/common/testproxy/target_version.txt

@@ -1 +1 @@
-1.0.0-dev.20220224.2
+1.0.0-dev.20220426.1

eng/pipelines/templates/steps/build-test.yml

@@ -48,6 +48,9 @@ steps:
 
   - ${{ if eq(parameters.TestProxy, true) }}:
     - template: /eng/common/testproxy/test-proxy-tool.yml
+      parameters:
+        targetVersion: '1.0.0-dev.20220224.2'
+
 
   - task: PowerShell@2
     displayName: 'Run Tests'