Official Go implementation of the Ethereum protocol
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go-ethereum/build/ci.go

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// Copyright 2016 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
// +build none
/*
The ci command is called from Continuous Integration scripts.
Usage: go run ci.go <command> <command flags/arguments>
Available commands are:
install [ packages... ] -- builds packages and executables
test [ -coverage ] [ -vet ] [ packages... ] -- runs the tests
archive [ -type zip|tar ] -- archives build artefacts
importkeys -- imports signing keys from env
debsrc [ -sign key-id ] [ -upload dest ] -- creates a debian source package
xgo [ options ] -- cross builds according to options
For all commands, -n prevents execution of external programs (dry run mode).
*/
package main
import (
"bytes"
"encoding/base64"
"flag"
"fmt"
"io/ioutil"
"log"
"os"
"os/exec"
"path/filepath"
"runtime"
"strings"
"time"
"../internal/build"
)
var (
// Files that end up in the geth*.zip archive.
gethArchiveFiles = []string{
"COPYING",
executablePath("geth"),
}
// Files that end up in the geth-alltools*.zip archive.
allToolsArchiveFiles = []string{
"COPYING",
executablePath("abigen"),
executablePath("evm"),
executablePath("geth"),
executablePath("rlpdump"),
}
// A debian package is created for all executables listed here.
debExecutables = []debExecutable{
{
Name: "geth",
Description: "Ethereum CLI client.",
},
{
Name: "rlpdump",
Description: "Developer utility tool that prints RLP structures.",
},
{
Name: "evm",
Description: "Developer utility version of the EVM (Ethereum Virtual Machine) that is capable of running bytecode snippets within a configurable environment and execution mode.",
},
{
Name: "abigen",
Description: "Source code generator to convert Ethereum contract definitions into easy to use, compile-time type-safe Go packages.",
},
}
// Distros for which packages are created.
// Note: vivid is unsupported because there is no golang-1.6 package for it.
debDistros = []string{"trusty", "wily", "xenial", "yakkety"}
)
var GOBIN, _ = filepath.Abs(filepath.Join("build", "bin"))
func executablePath(name string) string {
if runtime.GOOS == "windows" {
name += ".exe"
}
return filepath.Join(GOBIN, name)
}
func main() {
log.SetFlags(log.Lshortfile)
if _, err := os.Stat(filepath.Join("build", "ci.go")); os.IsNotExist(err) {
log.Fatal("this script must be run from the root of the repository")
}
if len(os.Args) < 2 {
log.Fatal("need subcommand as first argument")
}
switch os.Args[1] {
case "install":
doInstall(os.Args[2:])
case "test":
doTest(os.Args[2:])
case "archive":
doArchive(os.Args[2:])
case "debsrc":
doDebianSource(os.Args[2:])
case "travis-debsrc":
doTravisDebianSource(os.Args[2:])
case "xgo":
doXgo(os.Args[2:])
default:
log.Fatal("unknown command ", os.Args[1])
}
}
// Compiling
func doInstall(cmdline []string) {
commitHash := flag.String("gitcommit", "", "Git commit hash embedded into binary.")
flag.CommandLine.Parse(cmdline)
// Check Go version. People regularly open issues about compilation
// failure with outdated Go. This should save them the trouble.
if runtime.Version() < "go1.4" && !strings.HasPrefix(runtime.Version(), "devel") {
log.Println("You have Go version", runtime.Version())
log.Println("go-ethereum requires at least Go version 1.4 and cannot")
log.Println("be compiled with an earlier version. Please upgrade your Go installation.")
os.Exit(1)
}
// Compile packages given as arguments, or everything if there are no arguments.
packages := []string{"./..."}
if flag.NArg() > 0 {
packages = flag.Args()
}
goinstall := goTool("install", makeBuildFlags(*commitHash)...)
goinstall.Args = append(goinstall.Args, "-v")
goinstall.Args = append(goinstall.Args, packages...)
build.MustRun(goinstall)
}
func makeBuildFlags(commitHash string) (flags []string) {
// Since Go 1.5, the separator char for link time assignments
// is '=' and using ' ' prints a warning. However, Go < 1.5 does
// not support using '='.
sep := " "
if runtime.Version() > "go1.5" || strings.Contains(runtime.Version(), "devel") {
sep = "="
}
if os.Getenv("GO_OPENCL") != "" {
flags = append(flags, "-tags", "opencl")
}
// Set gitCommit constant via link-time assignment. If this is a git checkout, we can
// just get the current commit hash through git. Otherwise we fall back to the hash
// that was passed as -gitcommit.
//
// -gitcommit is required for Debian package builds. The source package doesn't
// contain .git but we still want to embed the commit hash into the packaged binary.
// The hash is rendered into the debian/rules build script when the source package is
// created.
if _, err := os.Stat(filepath.Join(".git", "HEAD")); !os.IsNotExist(err) {
if c := build.GitCommit(); c != "" {
commitHash = c
}
}
if commitHash != "" {
flags = append(flags, "-ldflags", "-X main.gitCommit"+sep+commitHash)
}
return flags
}
func goTool(subcmd string, args ...string) *exec.Cmd {
gocmd := filepath.Join(runtime.GOROOT(), "bin", "go")
cmd := exec.Command(gocmd, subcmd)
cmd.Args = append(cmd.Args, args...)
cmd.Env = []string{
"GOPATH=" + build.GOPATH(),
"GOBIN=" + GOBIN,
}
for _, e := range os.Environ() {
if strings.HasPrefix(e, "GOPATH=") || strings.HasPrefix(e, "GOBIN=") {
continue
}
cmd.Env = append(cmd.Env, e)
}
return cmd
}
// Running The Tests
//
// "tests" also includes static analysis tools such as vet.
func doTest(cmdline []string) {
var (
vet = flag.Bool("vet", false, "Whether to run go vet")
coverage = flag.Bool("coverage", false, "Whether to record code coverage")
)
flag.CommandLine.Parse(cmdline)
packages := []string{"./..."}
if len(flag.CommandLine.Args()) > 0 {
packages = flag.CommandLine.Args()
}
// Run analysis tools before the tests.
if *vet {
build.MustRun(goTool("vet", packages...))
}
// Run the actual tests.
gotest := goTool("test")
if *coverage {
gotest.Args = append(gotest.Args, "-covermode=atomic", "-cover")
}
gotest.Args = append(gotest.Args, packages...)
build.MustRun(gotest)
}
// Release Packaging
func doArchive(cmdline []string) {
var (
atype = flag.String("type", "zip", "Type of archive to write (zip|tar)")
ext string
)
flag.CommandLine.Parse(cmdline)
switch *atype {
case "zip":
ext = ".zip"
case "tar":
ext = ".tar.gz"
default:
log.Fatal("unknown archive type: ", atype)
}
base := makeArchiveBasename()
if err := build.WriteArchive("geth-"+base, ext, gethArchiveFiles); err != nil {
log.Fatal(err)
}
if err := build.WriteArchive("geth-alltools-"+base, ext, allToolsArchiveFiles); err != nil {
log.Fatal(err)
}
}
func makeArchiveBasename() string {
// date := time.Now().UTC().Format("200601021504")
platform := runtime.GOOS + "-" + runtime.GOARCH
archive := platform + "-" + build.VERSION()
if commit := build.GitCommit(); commit != "" {
archive += "-" + commit[:8]
}
return archive
}
// Debian Packaging
// CLI entry point for Travis CI.
func doTravisDebianSource(cmdline []string) {
flag.CommandLine.Parse(cmdline)
// Package only whitelisted branches.
switch {
case os.Getenv("TRAVIS_REPO_SLUG") != "ethereum/go-ethereum":
log.Printf("skipping because this is a fork build")
return
case os.Getenv("TRAVIS_PULL_REQUEST") != "false":
log.Printf("skipping because this is a PR build")
return
case os.Getenv("TRAVIS_BRANCH") != "develop" && !strings.HasPrefix(os.Getenv("TRAVIS_TAG"), "v1."):
log.Printf("skipping because branch %q tag %q is not on the whitelist",
os.Getenv("TRAVIS_BRANCH"),
os.Getenv("TRAVIS_TAG"))
return
}
// Import the signing key.
if b64key := os.Getenv("PPA_SIGNING_KEY"); b64key != "" {
key, err := base64.StdEncoding.DecodeString(b64key)
if err != nil {
log.Fatal("invalid base64 PPA_SIGNING_KEY")
}
gpg := exec.Command("gpg", "--import")
gpg.Stdin = bytes.NewReader(key)
build.MustRun(gpg)
}
// Assign unstable status to non-tag builds.
unstable := "true"
if os.Getenv("TRAVIS_BRANCH") != "develop" && os.Getenv("TRAVIS_TAG") != "" {
unstable = "false"
}
doDebianSource([]string{
"-signer", "Felix Lange (Geth CI Testing Key) <fjl@twurst.com>",
"-buildnum", os.Getenv("TRAVIS_BUILD_NUMBER"),
"-upload", "ppa:lp-fjl/geth-ci-testing",
"-unstable", unstable,
})
}
// CLI entry point for doing packaging locally.
func doDebianSource(cmdline []string) {
var (
signer = flag.String("signer", "", `Signing key name, also used as package author`)
upload = flag.String("upload", "", `Where to upload the source package (usually "ppa:ethereum/ethereum")`)
buildnum = flag.String("buildnum", "", `Build number (included in version)`)
unstable = flag.Bool("unstable", false, `Use package name suffix "-unstable"`)
now = time.Now()
)
flag.CommandLine.Parse(cmdline)
// Create the debian worktree in /tmp.
tmpdir, err := ioutil.TempDir("", "eth-deb-build-")
if err != nil {
log.Fatal(err)
}
for _, distro := range debDistros {
meta := newDebMetadata(distro, *signer, *buildnum, *unstable, now)
pkgdir := stageDebianSource(tmpdir, meta)
debuild := exec.Command("debuild", "-S", "-sa", "-us", "-uc")
debuild.Dir = pkgdir
build.MustRun(debuild)
changes := fmt.Sprintf("%s_%s_source.changes", meta.Name(), meta.VersionString())
changes = filepath.Join(tmpdir, changes)
if *signer != "" {
build.MustRunCommand("debsign", changes)
}
if *upload != "" {
build.MustRunCommand("dput", *upload, changes)
}
}
}
type debExecutable struct {
Name, Description string
}
type debMetadata struct {
// go-ethereum version being built. Note that this
// is not the debian package version. The package version
// is constructed by VersionString.
Version string
Author string // "name <email>", also selects signing key
Buildnum string // build number
Distro, Commit, Time string
Executables []debExecutable
Unstable bool
}
func newDebMetadata(distro, author, buildnum string, unstable bool, t time.Time) debMetadata {
if author == "" {
// No signing key, use default author.
author = "Ethereum Builds <fjl@ethereum.org>"
}
return debMetadata{
Unstable: unstable,
Author: author,
Distro: distro,
Commit: build.GitCommit(),
Version: build.VERSION(),
Buildnum: buildnum,
Time: t.Format(time.RFC1123Z),
Executables: debExecutables,
}
}
// Name returns the name of the metapackage that depends
// on all executable packages.
func (meta debMetadata) Name() string {
if meta.Unstable {
return "ethereum-unstable"
}
return "ethereum"
}
// VersionString returns the debian version of the packages.
func (meta debMetadata) VersionString() string {
vsn := meta.Version
if meta.Buildnum != "" {
vsn += "+build" + meta.Buildnum
}
if meta.Distro != "" {
vsn += "+" + meta.Distro
}
return vsn
}
// ExeList returns the list of all executable packages.
func (meta debMetadata) ExeList() string {
names := make([]string, len(meta.Executables))
for i, e := range meta.Executables {
names[i] = meta.ExeName(e)
}
return strings.Join(names, ", ")
}
// ExeName returns the package name of an executable package.
func (meta debMetadata) ExeName(exe debExecutable) string {
if meta.Unstable {
return exe.Name + "-unstable"
}
return exe.Name
}
// ExeConflicts returns the content of the Conflicts field
// for executable packages.
func (meta debMetadata) ExeConflicts(exe debExecutable) string {
if meta.Unstable {
// Set up the conflicts list so that the *-unstable packages
// cannot be installed alongside the regular version.
//
// https://www.debian.org/doc/debian-policy/ch-relationships.html
// is very explicit about Conflicts: and says that Breaks: should
// be preferred and the conflicting files should be handled via
// alternates. We might do this eventually but using a conflict is
// easier now.
return "ethereum, " + exe.Name
}
return ""
}
func stageDebianSource(tmpdir string, meta debMetadata) (pkgdir string) {
pkg := meta.Name() + "-" + meta.VersionString()
pkgdir = filepath.Join(tmpdir, pkg)
if err := os.Mkdir(pkgdir, 0755); err != nil {
log.Fatal(err)
}
// Copy the source code.
build.MustRunCommand("git", "checkout-index", "-a", "--prefix", pkgdir+string(filepath.Separator))
// Put the debian build files in place.
debian := filepath.Join(pkgdir, "debian")
build.Render("build/deb.rules", filepath.Join(debian, "rules"), 0755, meta)
build.Render("build/deb.changelog", filepath.Join(debian, "changelog"), 0644, meta)
build.Render("build/deb.control", filepath.Join(debian, "control"), 0644, meta)
build.Render("build/deb.copyright", filepath.Join(debian, "copyright"), 0644, meta)
build.RenderString("8\n", filepath.Join(debian, "compat"), 0644, meta)
build.RenderString("3.0 (native)\n", filepath.Join(debian, "source/format"), 0644, meta)
for _, exe := range meta.Executables {
install := filepath.Join(debian, exe.Name+".install")
docs := filepath.Join(debian, exe.Name+".docs")
build.Render("build/deb.install", install, 0644, exe)
build.Render("build/deb.docs", docs, 0644, exe)
}
return pkgdir
}
// Cross compilation
func doXgo(cmdline []string) {
// Make sure xgo is available for cross compilation
gogetxgo := goTool("get", "github.com/karalabe/xgo")
build.MustRun(gogetxgo)
// Execute the actual cross compilation
pkg := cmdline[len(cmdline)-1]
args := append(cmdline[:len(cmdline)-1], makeBuildFlags("")...)
build.MustRun(xgoTool(append(args, pkg)...))
}
func xgoTool(args ...string) *exec.Cmd {
cmd := exec.Command(filepath.Join(GOBIN, "xgo"), args...)
cmd.Env = []string{
"GOPATH=" + build.GOPATH(),
"GOBIN=" + GOBIN,
}
for _, e := range os.Environ() {
if strings.HasPrefix(e, "GOPATH=") || strings.HasPrefix(e, "GOBIN=") {
continue
}
cmd.Env = append(cmd.Env, e)
}
return cmd
}