Support Test Proxy logging error output into a different log file (Azure#38771)

Co-authored-by: alzimmermsft <[email protected]>

Author: azure-sdk

eng/common/testproxy/publish-proxy-logs.yml

@@ -5,6 +5,7 @@ steps:
   - pwsh: |
       New-Item -ItemType Directory -Force "${{ parameters.rootFolder }}/proxy-logs"
       Copy-Item -Path "${{ parameters.rootFolder }}/test-proxy.log" -Destination "${{ parameters.rootFolder }}/proxy-logs/proxy.log"
+      Copy-Item -Path "${{ parameters.rootFolder }}/test-proxy-error.log" -Destination "${{ parameters.rootFolder }}/proxy-logs/proxy-error.log"
     displayName: Copy Log File
     condition: succeededOrFailed()
 

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

@@ -51,15 +51,16 @@ steps:
     - pwsh: |
         $Process = Start-Process $(PROXY_EXE) `
           -ArgumentList "start -u --storage-location ${{ parameters.rootFolder }}" `
-          -NoNewWindow -PassThru -RedirectStandardOutput ${{ parameters.rootFolder }}/test-proxy.log
+          -NoNewWindow -PassThru -RedirectStandardOutput ${{ parameters.rootFolder }}/test-proxy.log `
+          -RedirectStandardError ${{ parameters.rootFolder }}/test-proxy-error.log
 
         Write-Host "##vso[task.setvariable variable=PROXY_PID]$($Process.Id)"
       displayName: 'Run the testproxy - windows'
       condition: and(succeeded(), eq(variables['Agent.OS'],'Windows_NT'), ${{ parameters.condition }})
 
     # nohup does NOT continue beyond the current session if you use it within powershell
     - bash: |
-        nohup $(PROXY_EXE) &>${{ parameters.rootFolder }}/test-proxy.log &
+        nohup $(PROXY_EXE) 1>${{ parameters.rootFolder }}/test-proxy.log 2>${{ parameters.rootFolder }}/test-proxy-error.log &
 
         echo $! > $(Build.SourcesDirectory)/test-proxy.pid
         echo "##vso[task.setvariable variable=PROXY_PID]$(cat $(Build.SourcesDirectory)/test-proxy.pid)"

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

@@ -55,7 +55,8 @@ steps:
     - pwsh: |
         $Process = Start-Process $(Build.BinariesDirectory)/test-proxy/test-proxy.exe `
           -ArgumentList "start -u --storage-location ${{ parameters.rootFolder }}" `
-          -NoNewWindow -PassThru -RedirectStandardOutput ${{ parameters.rootFolder }}/test-proxy.log
+          -NoNewWindow -PassThru -RedirectStandardOutput ${{ parameters.rootFolder }}/test-proxy.log `
+          -RedirectStandardError ${{ parameters.rootFolder }}/test-proxy-error.log
 
         Write-Host "##vso[task.setvariable variable=PROXY_PID]$($Process.Id)"
       displayName: 'Run the testproxy - windows'
@@ -65,7 +66,7 @@ steps:
 
     # nohup does NOT continue beyond the current session if you use it within powershell
     - bash: |
-        nohup $(Build.BinariesDirectory)/test-proxy/test-proxy &>${{ parameters.rootFolder }}/test-proxy.log &
+        nohup $(Build.BinariesDirectory)/test-proxy/test-proxy 1>${{ parameters.rootFolder }}/test-proxy.log 2>${{ parameters.rootFolder }}/test-proxy-error.log &
 
         echo $! > $(Build.SourcesDirectory)/test-proxy.pid
         echo "##vso[task.setvariable variable=PROXY_PID]$(cat $(Build.SourcesDirectory)/test-proxy.pid)"