build: use buildx to build multi-platform docker images (#30530)

pull/30532/head
Martin HS 1 month ago committed by GitHub
parent 0a21cb4d21
commit cfe25c7a3b
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  1. 22
      .travis.yml
  2. 2
      Dockerfile
  3. 9
      Dockerfile.alltools
  4. 153
      build/ci.go

@ -9,8 +9,7 @@ jobs:
- azure-osx
include:
# These builders create the Docker sub-images for multi-arch push and each
# will attempt to push the multi-arch image if they are the last builder
# This builder create and push the Docker images for all architectures
- stage: build
if: type = push
os: linux
@ -26,24 +25,7 @@ jobs:
before_install:
- export DOCKER_CLI_EXPERIMENTAL=enabled
script:
- go run build/ci.go docker -image -manifest amd64,arm64 -upload ethereum/client-go
- stage: build
if: type = push
os: linux
arch: arm64
dist: focal
go: 1.23.x
env:
- docker
services:
- docker
git:
submodules: false # avoid cloning ethereum/tests
before_install:
- export DOCKER_CLI_EXPERIMENTAL=enabled
script:
- go run build/ci.go docker -image -manifest amd64,arm64 -upload ethereum/client-go
- go run build/ci.go dockerx -platform "linux/amd64,linux/arm64" -upload ethereum/client-go
# This builder does the Linux Azure uploads
- stage: build

@ -4,7 +4,7 @@ ARG VERSION=""
ARG BUILDNUM=""
# Build Geth in a stock Go builder container
FROM golang:1.23-alpine as builder
FROM golang:1.23-alpine AS builder
RUN apk add --no-cache gcc musl-dev linux-headers git

@ -4,7 +4,7 @@ ARG VERSION=""
ARG BUILDNUM=""
# Build Geth in a stock Go builder container
FROM golang:1.23-alpine as builder
FROM golang:1.23-alpine AS builder
RUN apk add --no-cache gcc musl-dev linux-headers git
@ -14,6 +14,13 @@ COPY go.sum /go-ethereum/
RUN cd /go-ethereum && go mod download
ADD . /go-ethereum
# This is not strictly necessary, but it matches the "Dockerfile" steps, thus
# makes it so that under certain circumstances, the docker layer can be cached,
# and the builder can jump to the next (build all) command, with the go cache fully loaded.
#
RUN cd /go-ethereum && go run build/ci.go install -static ./cmd/geth
RUN cd /go-ethereum && go run build/ci.go install -static
# Pull all binaries into a second stage deploy alpine container

@ -50,7 +50,6 @@ import (
"path"
"path/filepath"
"runtime"
"strconv"
"strings"
"time"
@ -159,8 +158,8 @@ func main() {
doLint(os.Args[2:])
case "archive":
doArchive(os.Args[2:])
case "docker":
doDocker(os.Args[2:])
case "dockerx":
doDockerBuildx(os.Args[2:])
case "debsrc":
doDebianSource(os.Args[2:])
case "nsis":
@ -723,10 +722,9 @@ func maybeSkipArchive(env build.Environment) {
}
// Builds the docker images and optionally uploads them to Docker Hub.
func doDocker(cmdline []string) {
func doDockerBuildx(cmdline []string) {
var (
image = flag.Bool("image", false, `Whether to build and push an arch specific docker image`)
manifest = flag.String("manifest", "", `Push a multi-arch docker image for the specified architectures (usually "amd64,arm64")`)
platform = flag.String("platform", "", `Push a multi-arch docker image for the specified architectures (usually "linux/amd64,linux/arm64")`)
upload = flag.String("upload", "", `Where to upload the docker image (usually "ethereum/client-go")`)
)
flag.CommandLine.Parse(cmdline)
@ -761,129 +759,26 @@ func doDocker(cmdline []string) {
case strings.HasPrefix(env.Tag, "v1."):
tags = []string{"stable", fmt.Sprintf("release-1.%d", params.VersionMinor), "v" + params.Version}
}
// If architecture specific image builds are requested, build and push them
if *image {
build.MustRunCommand("docker", "build", "--build-arg", "COMMIT="+env.Commit, "--build-arg", "VERSION="+params.VersionWithMeta, "--build-arg", "BUILDNUM="+env.Buildnum, "--tag", fmt.Sprintf("%s:TAG", *upload), ".")
build.MustRunCommand("docker", "build", "--build-arg", "COMMIT="+env.Commit, "--build-arg", "VERSION="+params.VersionWithMeta, "--build-arg", "BUILDNUM="+env.Buildnum, "--tag", fmt.Sprintf("%s:alltools-TAG", *upload), "-f", "Dockerfile.alltools", ".")
// Tag and upload the images to Docker Hub
for _, tag := range tags {
gethImage := fmt.Sprintf("%s:%s-%s", *upload, tag, runtime.GOARCH)
toolImage := fmt.Sprintf("%s:alltools-%s-%s", *upload, tag, runtime.GOARCH)
// If the image already exists (non version tag), check the build
// number to prevent overwriting a newer commit if concurrent builds
// are running. This is still a tiny bit racey if two published are
// done at the same time, but that's extremely unlikely even on the
// master branch.
for _, img := range []string{gethImage, toolImage} {
if exec.Command("docker", "pull", img).Run() != nil {
continue // Generally the only failure is a missing image, which is good
}
buildnum, err := exec.Command("docker", "inspect", "--format", "{{index .Config.Labels \"buildnum\"}}", img).CombinedOutput()
if err != nil {
log.Fatalf("Failed to inspect container: %v\nOutput: %s", err, string(buildnum))
}
buildnum = bytes.TrimSpace(buildnum)
if len(buildnum) > 0 && len(env.Buildnum) > 0 {
oldnum, err := strconv.Atoi(string(buildnum))
if err != nil {
log.Fatalf("Failed to parse old image build number: %v", err)
}
newnum, err := strconv.Atoi(env.Buildnum)
if err != nil {
log.Fatalf("Failed to parse current build number: %v", err)
}
if oldnum > newnum {
log.Fatalf("Current build number %d not newer than existing %d", newnum, oldnum)
} else {
log.Printf("Updating %s from build %d to %d", img, oldnum, newnum)
}
}
}
build.MustRunCommand("docker", "image", "tag", fmt.Sprintf("%s:TAG", *upload), gethImage)
build.MustRunCommand("docker", "image", "tag", fmt.Sprintf("%s:alltools-TAG", *upload), toolImage)
build.MustRunCommand("docker", "push", gethImage)
build.MustRunCommand("docker", "push", toolImage)
}
}
// If multi-arch image manifest push is requested, assemble it
if len(*manifest) != 0 {
// Since different architectures are pushed by different builders, wait
// until all required images are updated.
var mismatch bool
for i := 0; i < 2; i++ { // 2 attempts, second is race check
mismatch = false // hope there's no mismatch now
for _, tag := range tags {
for _, arch := range strings.Split(*manifest, ",") {
gethImage := fmt.Sprintf("%s:%s-%s", *upload, tag, arch)
toolImage := fmt.Sprintf("%s:alltools-%s-%s", *upload, tag, arch)
for _, img := range []string{gethImage, toolImage} {
if out, err := exec.Command("docker", "pull", img).CombinedOutput(); err != nil {
log.Printf("Required image %s unavailable: %v\nOutput: %s", img, err, out)
mismatch = true
break
}
buildnum, err := exec.Command("docker", "inspect", "--format", "{{index .Config.Labels \"buildnum\"}}", img).CombinedOutput()
if err != nil {
log.Fatalf("Failed to inspect container: %v\nOutput: %s", err, string(buildnum))
}
buildnum = bytes.TrimSpace(buildnum)
if string(buildnum) != env.Buildnum {
log.Printf("Build number mismatch on %s: want %s, have %s", img, env.Buildnum, buildnum)
mismatch = true
break
}
}
if mismatch {
break
}
}
if mismatch {
break
}
}
if mismatch {
// Build numbers mismatching, retry in a short time to
// avoid concurrent fails in both publisher images. If
// however the retry failed too, it means the concurrent
// builder is still crunching, let that do the publish.
if i == 0 {
time.Sleep(30 * time.Second)
}
continue
}
break
}
if mismatch {
log.Println("Relinquishing publish to other builder")
return
}
// Assemble and push the Geth manifest image
for _, tag := range tags {
gethImage := fmt.Sprintf("%s:%s", *upload, tag)
var gethSubImages []string
for _, arch := range strings.Split(*manifest, ",") {
gethSubImages = append(gethSubImages, gethImage+"-"+arch)
}
build.MustRunCommand("docker", append([]string{"manifest", "create", gethImage}, gethSubImages...)...)
build.MustRunCommand("docker", "manifest", "push", gethImage)
}
// Assemble and push the alltools manifest image
for _, tag := range tags {
toolImage := fmt.Sprintf("%s:alltools-%s", *upload, tag)
var toolSubImages []string
for _, arch := range strings.Split(*manifest, ",") {
toolSubImages = append(toolSubImages, toolImage+"-"+arch)
}
build.MustRunCommand("docker", append([]string{"manifest", "create", toolImage}, toolSubImages...)...)
build.MustRunCommand("docker", "manifest", "push", toolImage)
// Need to create a mult-arch builder
build.MustRunCommand("docker", "buildx", "create", "--use", "--name", "multi-arch-builder", "--platform", *platform)
for _, spec := range []struct {
file string
base string
}{
{file: "Dockerfile", base: fmt.Sprintf("%s:", *upload)},
{file: "Dockerfile.alltools", base: fmt.Sprintf("%s:alltools-", *upload)},
} {
for _, tag := range tags { // latest, stable etc
gethImage := fmt.Sprintf("%s%s", spec.base, tag)
build.MustRunCommand("docker", "buildx", "build",
"--build-arg", "COMMIT="+env.Commit,
"--build-arg", "VERSION="+params.VersionWithMeta,
"--build-arg", "BUILDNUM="+env.Buildnum,
"--tag", gethImage,
"--platform", *platform,
"--push",
"--file", spec.file, ".")
}
}
}

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