diff --git a/Dockerfile b/Dockerfile index 70299190f9..143c92f27f 100644 --- a/Dockerfile +++ b/Dockerfile @@ -14,7 +14,7 @@ COPY go.sum /go-ethereum/ RUN cd /go-ethereum && go mod download ADD . /go-ethereum -RUN cd /go-ethereum && go run build/ci.go install ./cmd/geth +RUN cd /go-ethereum && go run build/ci.go install -static ./cmd/geth # Pull Geth into a second stage deploy alpine container FROM alpine:latest diff --git a/Dockerfile.alltools b/Dockerfile.alltools index b11492cabc..176c459220 100644 --- a/Dockerfile.alltools +++ b/Dockerfile.alltools @@ -14,7 +14,7 @@ COPY go.sum /go-ethereum/ RUN cd /go-ethereum && go mod download ADD . /go-ethereum -RUN cd /go-ethereum && go run build/ci.go install +RUN cd /go-ethereum && go run build/ci.go install -static # Pull all binaries into a second stage deploy alpine container FROM alpine:latest diff --git a/build/ci.go b/build/ci.go index 526e76f381..f91de328be 100644 --- a/build/ci.go +++ b/build/ci.go @@ -200,9 +200,10 @@ func main() { func doInstall(cmdline []string) { var ( - dlgo = flag.Bool("dlgo", false, "Download Go and build with it") - arch = flag.String("arch", "", "Architecture to cross build for") - cc = flag.String("cc", "", "C compiler to cross build with") + dlgo = flag.Bool("dlgo", false, "Download Go and build with it") + arch = flag.String("arch", "", "Architecture to cross build for") + cc = flag.String("cc", "", "C compiler to cross build with") + staticlink = flag.Bool("static", false, "Create statically-linked executable") ) flag.CommandLine.Parse(cmdline) @@ -213,9 +214,12 @@ func doInstall(cmdline []string) { tc.Root = build.DownloadGo(csdb, dlgoVersion) } + // Disable CLI markdown doc generation in release builds. + buildTags := []string{"urfave_cli_no_docs"} + // Configure the build. env := build.Env() - gobuild := tc.Go("build", buildFlags(env)...) + gobuild := tc.Go("build", buildFlags(env, *staticlink, buildTags)...) // arm64 CI builders are memory-constrained and can't handle concurrent builds, // better disable it. This check isn't the best, it should probably @@ -224,9 +228,6 @@ func doInstall(cmdline []string) { gobuild.Args = append(gobuild.Args, "-p", "1") } - // Disable CLI markdown doc generation in release builds. - gobuild.Args = append(gobuild.Args, "-tags", "urfave_cli_no_docs") - // We use -trimpath to avoid leaking local paths into the built executables. gobuild.Args = append(gobuild.Args, "-trimpath") @@ -251,7 +252,7 @@ func doInstall(cmdline []string) { } // buildFlags returns the go tool flags for building. -func buildFlags(env build.Environment) (flags []string) { +func buildFlags(env build.Environment, staticLinking bool, buildTags []string) (flags []string) { var ld []string if env.Commit != "" { ld = append(ld, "-X", "main.gitCommit="+env.Commit) @@ -262,14 +263,24 @@ func buildFlags(env build.Environment) (flags []string) { if runtime.GOOS == "darwin" { ld = append(ld, "-s") } - // Enforce the stacksize to 8M, which is the case on most platforms apart from - // alpine Linux. if runtime.GOOS == "linux" { - ld = append(ld, "-extldflags", "-Wl,-z,stack-size=0x800000") + // Enforce the stacksize to 8M, which is the case on most platforms apart from + // alpine Linux. + extld := []string{"-Wl,-z,stack-size=0x800000"} + if staticLinking { + extld = append(extld, "-static") + // Under static linking, use of certain glibc features must be + // disabled to avoid shared library dependencies. + buildTags = append(buildTags, "osusergo", "netgo") + } + ld = append(ld, "-extldflags", "'"+strings.Join(extld, " ")+"'") } if len(ld) > 0 { flags = append(flags, "-ldflags", strings.Join(ld, " ")) } + if len(buildTags) > 0 { + flags = append(flags, "-tags", strings.Join(buildTags, ",")) + } return flags } diff --git a/internal/build/util.go b/internal/build/util.go index 654349fac3..9a721e9b83 100644 --- a/internal/build/util.go +++ b/internal/build/util.go @@ -29,6 +29,7 @@ import ( "os/exec" "path" "path/filepath" + "strconv" "strings" "text/template" "time" @@ -39,7 +40,7 @@ var DryRunFlag = flag.Bool("n", false, "dry run, don't execute commands") // MustRun executes the given command and exits the host process for // any error. func MustRun(cmd *exec.Cmd) { - fmt.Println(">>>", strings.Join(cmd.Args, " ")) + fmt.Println(">>>", printArgs(cmd.Args)) if !*DryRunFlag { cmd.Stderr = os.Stderr cmd.Stdout = os.Stdout @@ -49,6 +50,20 @@ func MustRun(cmd *exec.Cmd) { } } +func printArgs(args []string) string { + var s strings.Builder + for i, arg := range args { + if i > 0 { + s.WriteByte(' ') + } + if strings.IndexByte(arg, ' ') >= 0 { + arg = strconv.QuoteToASCII(arg) + } + s.WriteString(arg) + } + return s.String() +} + func MustRunCommand(cmd string, args ...string) { MustRun(exec.Command(cmd, args...)) } @@ -121,7 +136,7 @@ func UploadSFTP(identityFile, host, dir string, files []string) error { sftp.Args = append(sftp.Args, "-i", identityFile) } sftp.Args = append(sftp.Args, host) - fmt.Println(">>>", strings.Join(sftp.Args, " ")) + fmt.Println(">>>", printArgs(sftp.Args)) if *DryRunFlag { return nil }