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travis, Dockerfile, build: docker build and multi-arch publish combo

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This commit is contained in:
Péter Szilágyi 2021-06-21 19:16:51 +03:00
parent da000c8314
commit 0f2347d070
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GPG Key ID: E9AE538CEDF8293D
4 changed files with 115 additions and 22 deletions
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24
.travis.yml
View File

@ -24,7 +24,8 @@ jobs:
script:
- go run build/ci.go lint
# These builders create the Docker sub-images for multi-arch push
# 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
- stage: build
if: type = push
os: linux
@ -38,7 +39,7 @@ jobs:
git:
submodules: false # avoid cloning ethereum/tests
script:
- go run build/ci.go docker -image -upload karalabe/geth-docker-test
- go run build/ci.go docker -image -manifest amd64,arm64 -upload karalabe/geth-docker-test
- stage: build
if: type = push
@ -53,24 +54,7 @@ jobs:
git:
submodules: false # avoid cloning ethereum/tests
script:
- go run build/ci.go docker -image -upload karalabe/geth-docker-test
# This builder does the Docker Hub multi-arch image
- stage: publish
if: type = push
os: linux
dist: bionic
go: 1.16.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 -manifest amd64,arm64 -upload karalabe/geth-docker-test
- go run build/ci.go docker -image -manifest amd64,arm64 -upload karalabe/geth-docker-test
# This builder does the Ubuntu PPA upload
- stage: build

12
Dockerfile
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@ -1,3 +1,8 @@
# Support setting various labels on the final image
ARG COMMIT=""
ARG VERSION=""
ARG BUILDNUM=""
# Build Geth in a stock Go builder container
FROM golang:1.16-alpine as builder
@ -14,3 +19,10 @@ COPY --from=builder /go-ethereum/build/bin/geth /usr/local/bin/
EXPOSE 8545 8546 30303 30303/udp
ENTRYPOINT ["geth"]
# Add some metadata labels to help programatic image consumption
ARG COMMIT=""
ARG VERSION=""
ARG BUILDNUM=""
LABEL commit="$COMMIT" version="$VERSION" buildnum="$BUILDNUM"

12
Dockerfile.alltools
View File

@ -1,3 +1,8 @@
# Support setting various labels on the final image
ARG COMMIT=""
ARG VERSION=""
ARG BUILDNUM=""
# Build Geth in a stock Go builder container
FROM golang:1.16-alpine as builder
@ -13,3 +18,10 @@ RUN apk add --no-cache ca-certificates
COPY --from=builder /go-ethereum/build/bin/* /usr/local/bin/
EXPOSE 8545 8546 30303 30303/udp
# Add some metadata labels to help programatic image consumption
ARG COMMIT=""
ARG VERSION=""
ARG BUILDNUM=""
LABEL commit="$COMMIT" version="$VERSION" buildnum="$BUILDNUM"

89
build/ci.go
View File

@ -54,6 +54,7 @@ import (
"path/filepath"
"regexp"
"runtime"
"strconv"
"strings"
"time"
@ -495,14 +496,45 @@ func doDocker(cmdline []string) {
}
// If architecture specific image builds are requested, build and push them
if *image {
build.MustRunCommand("docker", "build", "--tag", fmt.Sprintf("%s:TAG", *upload), ".")
build.MustRunCommand("docker", "build", "--tag", fmt.Sprintf("%s:alltools-TAG", *upload), "-f", "Dockerfile.alltools", ".")
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)
@ -511,6 +543,59 @@ func doDocker(cmdline []string) {
}
// 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 failes 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)