certificates/cmd/step-ca/main.go
max furman c74fcd57a7 ca-component -> certificates
* fix redundant error check
* add README
2018-10-31 21:36:01 -07:00

69 lines
1.4 KiB
Go

package main
import (
"bytes"
"flag"
"fmt"
"io/ioutil"
"net/http"
"os"
"path"
"unicode"
"github.com/pkg/errors"
"github.com/smallstep/certificates/authority"
"github.com/smallstep/certificates/ca"
)
func usage() {
fmt.Fprintf(os.Stderr, "Usage: %s [options] <config.json>\n\n", path.Base(os.Args[0]))
flag.PrintDefaults()
}
func main() {
var configFile, passFile string
flag.StringVar(&passFile, "password-file", "", "Path to file containing a password")
flag.Usage = usage
flag.Parse()
if flag.NArg() != 1 {
flag.Usage()
os.Exit(1)
}
configFile = flag.Arg(0)
config, err := authority.LoadConfiguration(configFile)
if err != nil {
fatal(err)
}
var password []byte
if passFile != "" {
if password, err = ioutil.ReadFile(passFile); err != nil {
fatal(errors.Wrapf(err, "error reading %s", passFile))
}
password = bytes.TrimRightFunc(password, unicode.IsSpace)
}
srv, err := ca.New(config, ca.WithConfigFile(configFile), ca.WithPassword(password))
if err != nil {
fatal(err)
}
go ca.StopReloaderHandler(srv)
if err = srv.Run(); err != nil && err != http.ErrServerClosed {
fatal(err)
}
}
// fatal writes the passed error on the standard error and exits with the exit
// code 1. If the environment variable STEPDEBUG is set to 1 it shows the
// stack trace of the error.
func fatal(err error) {
if os.Getenv("STEPDEBUG") == "1" {
fmt.Fprintf(os.Stderr, "%+v\n", err)
} else {
fmt.Fprintln(os.Stderr, err)
}
os.Exit(2)
}