// Build performs a build job. This function is blocking. If the build
// job succeeds, it will automatically delete itself when it expires.
// If it fails, resources are not automatically cleaned up.
func (b *Build) Build() error {
// Prepare the build
builder, err := caddybuild.PrepareBuild(b.Features)
defer builder.Teardown() // always perform cleanup
if err != nil {
return err
}
// Perform the build
if b.GoArch == "arm" {
var armInt int
if b.GoARM != "" {
armInt, err = strconv.Atoi(b.GoARM)
if err != nil {
return err
}
}
err = builder.BuildStaticARM(b.GoOS, armInt, b.OutputFile)
} else {
err = builder.BuildStatic(b.GoOS, b.GoArch, b.OutputFile)
}
if err != nil {
return err
}
// File list to include with build, then compress the build
fileList := []string{
filepath.Join(CaddyPath, "/dist/README.txt"),
filepath.Join(CaddyPath, "/dist/LICENSES.txt"),
filepath.Join(CaddyPath, "/dist/CHANGES.txt"),
b.OutputFile,
}
if b.DownloadFileCompression == CompressZip {
err = Zip(b.DownloadFile, fileList)
} else if b.DownloadFileCompression == CompressTarGz {
err = TarGz(b.DownloadFile, fileList)
} else {
return fmt.Errorf("unknown compress type %v", b.DownloadFileCompression)
}
if err != nil {
return err
}
// Delete uncompressed binary
err = os.Remove(b.OutputFile)
if err != nil {
return err
}
// Finalize the build and have it clean itself
// up after its expiration
b.finish()
return nil
}
func prepareBuild(args cliArgs, config caddybuild.Config) (App, error) {
caddybuild.SetConfig(config)
var builder custombuild.Builder
var f *os.File
var caddyProcess *os.Process
// remove temp files.
addCleanUpFunc(func() {
if caddyProcess != nil {
caddyProcess.Kill()
}
builder.Teardown()
if f != nil {
os.Remove(f.Name())
}
})
builder, err := caddybuild.PrepareBuild(config.Plugins, false)
exitIfErr(err)
// if output is set, generate binary only.
if args.output != "" {
err := saveCaddy(builder, args.output, args.goArgs)
exitIfErr(err)
os.Exit(0)
}
// create temporary file for binary
f, err = ioutil.TempFile("", "caddydev")
exitIfErr(err)
f.Close()
// fix for windows exe
fName := f.Name()
if runtime.GOOS == "windows" {
fName += ".exe"
}
return &caddyApp{
file: fName,
goArgs: args.goArgs,
caddyArgs: args.caddyArgs,
builder: builder,
}, nil
}
func main() {
// parse cli arguments.
args, err := parseArgs()
exitIfErr(err)
// read config file.
config, err := readConfig(args)
exitIfErr(err)
fetched := false
// if caddy source does not exits, pull source.
if !isLocalPkg(caddybuild.CaddyPackage) {
fmt.Print("Caddy source not found. Fetching...")
err := fetchCaddy()
exitIfErr(err)
fmt.Println(" done.")
fetched = true
}
// if update flag is set, pull source.
if args.update && !fetched {
fmt.Print("Updating caddy source...")
err := fetchCaddy()
exitIfErr(err)
fmt.Println(" done.")
}
caddybuild.SetConfig(config)
var builder custombuild.Builder
var f *os.File
var caddyProcess *os.Process
// remove temp files.
addCleanUpFunc(func() {
if caddyProcess != nil {
caddyProcess.Kill()
}
builder.Teardown()
if f != nil {
os.Remove(f.Name())
}
})
builder, err = caddybuild.PrepareBuild(features.Middlewares{config.Middleware})
exitIfErr(err)
// if output is set, generate binary only.
if args.output != "" {
err := saveCaddy(builder, args.output, args.goArgs)
exitIfErr(err)
return
}
// create temporary file for binary
f, err = ioutil.TempFile("", "caddydev")
exitIfErr(err)
f.Close()
// perform custom build
err = builder.Build("", "", f.Name(), args.goArgs...)
exitIfErr(err)
fmt.Println("Starting caddy...")
// trap os interrupts to ensure cleaning up temp files.
done := trapInterrupts()
// start custom caddy.
go func() {
cmd, err := startCaddy(f.Name(), args.caddyArgs)
exitIfErr(err)
caddyProcess = cmd.Process
err = cmd.Wait()
cleanUp()
exitIfErr(err)
done <- struct{}{}
}()
// wait for exit signal
<-done
}
// Build performs a build job. This function is blocking. If the build
// job succeeds, it will automatically delete itself when it expires.
// If it fails, resources are not automatically cleaned up.
func (b *Build) Build() error {
// Prepare the build
builder, err := caddybuild.PrepareBuild(b.Features, false) // TODO: PullLatest (go get -u) DISABLED for stability; updates are manual for now
defer builder.Teardown() // always perform cleanup
if err != nil {
return err
}
builder.CommandName = "./build.bash"
origRepoPath := filepath.Join(os.Getenv("GOPATH"), "src/github.com/mholt/caddy")
// Perform the build
if b.GoArch == "arm" {
var armInt int
if b.GoARM != "" {
armInt, err = strconv.Atoi(b.GoARM)
if err != nil {
return err
}
} else {
armInt = defaultARM
}
err = builder.BuildStaticARM(b.GoOS, armInt, b.OutputFile, origRepoPath)
} else if b.GoOS == "darwin" { // At time of writing, building with CGO_ENABLED=0 for darwin can break stuff: https://www.reddit.com/r/golang/comments/46bd5h/ama_we_are_the_go_contributors_ask_us_anything/d03rmc9
err = builder.Build(b.GoOS, b.GoArch, b.OutputFile, origRepoPath)
} else {
err = builder.BuildStatic(b.GoOS, b.GoArch, b.OutputFile, origRepoPath)
}
if err != nil {
return err
}
// File list to include with build, then compress the build
fileList := []string{
filepath.Join(CaddyPath, "/dist/README.txt"),
filepath.Join(CaddyPath, "/dist/LICENSES.txt"),
filepath.Join(CaddyPath, "/dist/CHANGES.txt"),
filepath.Join(CaddyPath, "/dist/init"),
b.OutputFile,
}
if b.DownloadFileCompression == CompressZip {
err = archiver.Zip(b.DownloadFile, fileList)
} else if b.DownloadFileCompression == CompressTarGz {
err = archiver.TarGz(b.DownloadFile, fileList)
} else {
return fmt.Errorf("unknown compress type %v", b.DownloadFileCompression)
}
if err != nil {
return fmt.Errorf("error compressing: %v", err)
}
// Delete uncompressed binary
err = os.Remove(b.OutputFile)
if err != nil {
return err
}
// Finalize the build and have it clean itself
// up after its expiration
b.finish()
return nil
}