all: add Windows 11 builder

Add a new host type, host-windows11-arm64-mini. It should support both
ARM64 and ARM builds but for starters let's focus on ARM64.

For golang/go#48946, golang/go#47019.

Change-Id: I7ff07a97661fb6621237b9801ff0d0e338c6d4f4
Reviewed-on: https://go-review.googlesource.com/c/build/+/377696
Trust: Heschi Kreinick <[email protected]>
Run-TryBot: Heschi Kreinick <[email protected]>
Reviewed-by: Alex Rakoczy <[email protected]>
TryBot-Result: Gopher Robot <[email protected]>

Author: heschi

Diff for: cmd/buildlet/stage0/Makefile

@@ -22,6 +22,10 @@ buildlet-stage0.windows-amd64: FORCE
 	go install golang.org/x/build/cmd/upload
 	upload --verbose --osarch=$@ --file=go:golang.org/x/build/cmd/buildlet/stage0 --public --cacheable=false go-builder-data/$@
 
+buildlet-stage0.windows-arm64: FORCE
+	go install golang.org/x/build/cmd/upload
+	upload --verbose --osarch=$@ --file=go:golang.org/x/build/cmd/buildlet/stage0 --public --cacheable=false go-builder-data/$@
+
 buildlet-stage0.linux-arm: FORCE
 	go install golang.org/x/build/cmd/upload
 	upload --verbose --osarch=$@ --file=go:golang.org/x/build/cmd/buildlet/stage0 --public --cacheable=false go-builder-data/$@

Diff for: cmd/buildlet/stage0/stage0.go

@@ -202,7 +202,7 @@ Download:
 		cmd.Args = append(cmd.Args, reverseHostTypeArgs(hostType)...)
 	case "windows/arm64":
 		switch buildEnv {
-		case "host-windows-arm64-mini":
+		case "host-windows-arm64-mini", "host-windows11-arm64-mini":
 			cmd.Args = append(cmd.Args,
 				"--halt=true",
 				"--reverse-type="+buildEnv,

Diff for: dashboard/builders.go

@@ -539,7 +539,14 @@ var Hosts = map[string]*HostConfig{
 		buildletURLTmpl:    "http://storage.googleapis.com/$BUCKET/buildlet.windows-arm64",
 		goBootstrapURLTmpl: "https://storage.googleapis.com/$BUCKET/gobootstrap-windows-arm64-f22ec5.tar.gz",
 		IsReverse:          true,
-		ExpectNum:          7,
+		ExpectNum:          6,
+	},
+	"host-windows11-arm64-mini": &HostConfig{
+		Notes:              "macOS hosting Windows 11 in qemu with HVM acceleration.",
+		buildletURLTmpl:    "http://storage.googleapis.com/$BUCKET/buildlet.windows-arm64",
+		goBootstrapURLTmpl: "https://storage.googleapis.com/$BUCKET/gobootstrap-windows-arm64-f22ec5.tar.gz",
+		IsReverse:          true,
+		ExpectNum:          1,
 	},
 	"host-darwin-10_12": &HostConfig{
 		IsReverse: true,
@@ -2475,6 +2482,17 @@ func init() {
 			"GOARCH=arm64",
 		},
 	})
+	addBuilder(BuildConfig{
+		Name:              "windows-arm64-11",
+		HostType:          "host-windows11-arm64-mini",
+		numTryTestHelpers: 1,
+		buildsRepo: func(repo, branch, goBranch string) bool {
+			return atLeastGo1(goBranch, 18) && buildRepoByDefault(repo)
+		},
+		env: []string{
+			"GOARCH=arm64",
+		},
+	})
 	addBuilder(BuildConfig{
 		Name:           "darwin-amd64-10_12",
 		HostType:       "host-darwin-10_12",

Diff for: env/windows-arm64/README.md

@@ -13,7 +13,7 @@ a1.metal instances then saving the image manually.
     - Convert vhdx images to qcow2 via the following command:
 
       ```shell
-      qemu-image convert -O qcow2 win.vhdx win.qcow2
+      qemu-img convert -O qcow2 win.vhdx win.qcow2
       ```
 
 - SSH to your instance tunneling port 5903, and run `win10-arm64.sh`
@@ -29,6 +29,9 @@ a1.metal instances then saving the image manually.
     - Alternatively, you can modify `win10-arm64.sh` to forward ssh
       access to the VM, and run PowerShell in the CLI, which is a bit
       easier than through VNC.
+- Verify autologin works after a reboot. If not, try
+  https://docs.microsoft.com/en-us/sysinternals/downloads/autologon.
+- Set GO_BUILDER_ENV and install a builder key.
 - Once the image is complete, download the image to your workstation
   and upload to `s3://go-builder-data`.
     - You can find the appropriate the S3 path referenced in

Diff for: env/windows-arm64/startup.ps1

@@ -135,7 +135,7 @@ $vs_buildtools = "$builder_dir\vs_buildtools.exe"
 Get-FileFromUrl -URL "https://aka.ms/vs/16/release/vs_buildtools.exe" -Output "$vs_buildtools"
 
 Write-Host "installing Visual Studio Build Tools"
-& $vs_buildtools --quiet --wait --norestart --nocache --installPath "$dep_dir\vs" --all --add Microsoft.VisualStudio.Component.VC.Tools.ARM64
+& $vs_buildtools --quiet --wait --norestart --nocache --installPath "$dep_dir\vs" --all --add Microsoft.VisualStudio.Component.VC.Tools.ARM64 --add Microsoft.VisualStudio.Component.VC.Tools.ARM
 
 # Create a buildlet user
 Write-Host "creating buildlet user"