Enable requesting retry/reboot on Windows XHarness workloads

src/Microsoft.DotNet.Helix/Sdk/tools/xharness-runner/xharness-helix-job.android.header.ps1

@@ -33,7 +33,7 @@ function xharness() {
 function report_infrastructure_failure($message) {
     Write-Output "Infrastructural problem reported by the user, requesting retry+reboot: $message"
 
-    & "$Env:HELIX_PYTHONPATH" -c "from helix.workitemutil import request_infra_retry; request_infra_retry('Retrying because we could not enumerate all Android devices')"
-    & "$Env:HELIX_PYTHONPATH" -c "from helix.workitemutil import request_reboot; request_reboot('Rebooting to allow Android emulator or device to restart')"
+    New-Item -Path "$Env:HELIX_WORKITEM_ROOT" -Name ".retry" -ItemType "file"
+    New-Item -Path "$Env:HELIX_WORKITEM_ROOT" -Name ".reboot" -ItemType "file"
 }
 

src/Microsoft.DotNet.Helix/Sdk/tools/xharness-runner/xharness-helix-job.android.ps1

@@ -52,29 +52,37 @@ if ($ev) {
     Write-Output "User command ended with $exit_code"
 }
 
-$retry=$false
-$reboot=$false
+$retry = $false
+$reboot = $false
 
 switch ($exit_code)
 {
     # ADB_DEVICE_ENUMERATION_FAILURE
     85 {
         Write-Error "Encountered ADB_DEVICE_ENUMERATION_FAILURE. This is typically not a failure of the work item. We will run it again and reboot this computer to help its devices"
         Write-Error "If this occurs repeatedly, please check for architectural mismatch, e.g. sending x86 or x86_64 APKs to an arm64_v8a-only queue."
-        $retry=$true
-        $reboot=$true
+        $retry = $true
+        $reboot = $true
         Break
     }
 
     # PACKAGE_INSTALLATION_FAILURE
     78 {
         Write-Error "Encountered PACKAGE_INSTALLATION_FAILURE. This is typically not a failure of the work item. We will try it again on another Helix agent"
         Write-Error "If this occurs repeatedly, please check for architectural mismatch, e.g. requesting installation on arm64_v8a-only queue for x86 or x86_64 APKs."
-        $retry=$true
+        $retry = $true
         Break
     }
 }
 
+if (Test-Path -Path "$Env:HELIX_WORKITEM_ROOT\.retry" -PathType Leaf) {
+    $retry = $true;
+}
+
+if (Test-Path -Path "$Env:HELIX_WORKITEM_ROOT\.reboot" -PathType Leaf) {
+    $reboot = $true;
+}
+
 if ($retry) {
     & "$Env:HELIX_PYTHONPATH" -c "from helix.workitemutil import request_infra_retry; request_infra_retry('Retrying because we could not enumerate all Android devices')"
 }

src/Microsoft.DotNet.Helix/Sdk/tools/xharness-runner/xharness-helix-job.android.sh

@@ -105,6 +105,14 @@ case "$exit_code" in
     ;;
 esac
 
+if [ -f "$HELIX_WORKITEM_ROOT/.retry" ]; then
+    retry=true
+fi
+
+if [ -f "$HELIX_WORKITEM_ROOT/.reboot" ]; then
+    reboot=true
+fi
+
 if [ "$retry" == true ]; then
     "$HELIX_PYTHONPATH" -c "from helix.workitemutil import request_infra_retry; request_infra_retry('Retrying because we could not enumerate all Android devices')"
 fi

src/Microsoft.DotNet.Helix/Sdk/tools/xharness-runner/xharness-helix-job.apple.sh

@@ -44,11 +44,11 @@ exit_code=$?
 # We usually also ask the work item to be re-tried on a different machine
 # Since we run the payload script using launchctl, env vars such as PYTHON_PATH are not set there and we have to do this part here
 # We signal this by creating files
-if [ -f './.retry' ]; then
+if [ -f "$HELIX_WORKITEM_ROOT/.retry" ]; then
     "$HELIX_PYTHONPATH" -c "from helix.workitemutil import request_infra_retry; request_infra_retry('Retrying work item because XHarness workload requested it')"
 fi
 
-if [ -f './.reboot' ]; then
+if [ -f "$HELIX_WORKITEM_ROOT/.reboot" ]; then
     "$HELIX_PYTHONPATH" -c "from helix.workitemutil import request_reboot; request_reboot('Rebooting because XHarness workload requested it)"
 fi
 

src/Microsoft.DotNet.Helix/Sdk/tools/xharness-runner/xharness-runner.apple.sh

@@ -147,8 +147,8 @@ function xharness() {
 function report_infrastructure_failure() {
     echo "Infrastructural problem reported by the user, requesting retry+reboot: $1"
 
-    touch './.retry'
-    touch './.reboot'
+    touch "$HELIX_WORKITEM_ROOT/.retry"
+    touch "$HELIX_WORKITEM_ROOT/.reboot"
 }
 
 # Act out the actual commands (and time constrain them to create buffer for the end of this script)