env/linux-arm64-bullseye: update for LUCI, use buildkit

Copy the relevant chunks of the stage0 Dockerfile into here, and fork
the Makefile to use buildkit to build for ARM64 rather than requiring an
ARM64 machine to do the build.

I am not a Docker expert, so I don't know if there's a better way to do
this. Sorry future maintainers.

Change-Id: I812b4e420f5f0a506ac05cf08a10869f4a22701e
Reviewed-on: https://go-review.googlesource.com/c/build/+/509455
Auto-Submit: Heschi Kreinick <[email protected]>
TryBot-Result: Gopher Robot <[email protected]>
Run-TryBot: Heschi Kreinick <[email protected]>
Reviewed-by: Carlos Amedee <[email protected]>

Author: heschi

env/linux-arm64-bullseye/Dockerfile

@@ -2,6 +2,28 @@
 # Use of this source code is governed by a BSD-style
 # license that can be found in the LICENSE file.
 
+FROM arm64v8/golang:1.19 AS build
+LABEL maintainer="[email protected]"
+
+RUN mkdir /gocache
+ENV GOCACHE /gocache
+
+COPY ./go.mod /go/src/golang.org/x/build/go.mod
+COPY ./go.sum /go/src/golang.org/x/build/go.sum
+
+WORKDIR /go/src/golang.org/x/build
+
+# Optimization for iterative docker build speed, not necessary for correctness:
+# TODO: write a tool to make writing Go module-friendly Dockerfiles easier.
+RUN go install cloud.google.com/go/compute/metadata
+
+COPY . /go/src/golang.org/x/build/
+
+# Install binary to /go/bin/stage0
+ENV CGO_ENABLED=0
+RUN go install golang.org/x/build/cmd/buildlet/stage0
+RUN go install golang.org/x/build/cmd/bootstrapswarm
+
 FROM arm64v8/debian:bullseye
 LABEL org.opencontainers.image.authors="[email protected]"
 
@@ -38,6 +60,7 @@ RUN apt-get update && apt-get install -y \
 	gfortran \
 	git \
 	iptables \
+	iproute2 \
 	libc6-dev \
 	libgles2-mesa-dev \
 	libopenal-dev \
@@ -50,14 +73,11 @@ RUN apt-get update && apt-get install -y \
 	psmisc \
 	strace \
 	subversion \
+	sudo \
 	swig \
 	&& rm -rf /var/lib/apt/lists/*
 
-RUN mkdir /usr/local/go-bootstrap && \
-	curl --silent https://storage.googleapis.com/go-builder-data/gobootstrap-linux-arm64.tar.gz | \
-	tar -C /usr/local/go-bootstrap -zx
-
-RUN curl -o  /usr/local/bin/stage0 https://storage.googleapis.com/go-builder-data/buildlet-stage0.linux-arm64 && \
-	chmod +x /usr/local/bin/stage0
+COPY --from=build /go/bin/* /usr/local/bin/
+COPY cmd/buildlet/stage0/run-worker.sh /usr/local/bin/
 
-CMD ["/usr/local/bin/stage0"]
+CMD ["/usr/local/bin/run-worker.sh"]

env/linux-arm64-bullseye/Makefile

@@ -0,0 +1,27 @@
+# Copyright 2023 The Go Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style
+# license that can be found in the LICENSE file.
+
+IMAGE_NAME=$(shell basename $(CURDIR))
+
+usage:
+	echo "see Makefile for usage for building $(IMAGE_NAME)"
+
+docker: Dockerfile
+# If this command is failing, run:
+#  docker run --rm --privileged multiarch/qemu-user-static --reset -p yes
+#  docker buildx create --name mybuilder
+	docker buildx build -t golang/$(IMAGE_NAME) --platform linux/arm64 --load -f Dockerfile ../..
+
+testssh: docker
+	go install golang.org/x/build/cmd/buildlet/testssh
+	testssh --start-image=golang/$(IMAGE_NAME)
+
+push-staging: docker
+	go install golang.org/x/build/cmd/xb
+	xb --staging docker tag golang/$(IMAGE_NAME) REPO/$(IMAGE_NAME):latest
+	xb --staging docker push REPO/$(IMAGE_NAME):latest
+
+push-prod: docker
+	xb --prod docker tag golang/$(IMAGE_NAME) REPO/$(IMAGE_NAME):latest
+	xb --prod docker push REPO/$(IMAGE_NAME):latest