/
main.go
98 lines (86 loc) · 2.28 KB
/
main.go
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/*
Copyright (C) 2016 Lucas Morales <lucas@lucasem.com>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package main
import (
"flag"
"fmt"
"io/ioutil"
"log"
"os"
fp "path/filepath"
"gopkg.in/yaml.v2"
)
const (
VERSION = "1.0.2"
USAGE = `Usage of servemd:
servemd [--version | SETTINGS]
SETTINGS settings yaml file
--version show version
See https://github.com/lucasem/servemd for documentation.
`
)
var versionFlag = flag.Bool("version", false, "show version")
func main() {
flag.Usage = func() {
fmt.Fprintf(os.Stderr, USAGE)
}
flag.Parse()
if *versionFlag {
fmt.Fprintln(os.Stderr, VERSION)
os.Exit(0)
}
if flag.NArg() < 1 {
fmt.Fprintln(os.Stderr, "no settings file supplied")
os.Exit(1)
}
set := flag.Arg(0)
stu, err := ioutil.ReadFile(set)
if err != nil {
fmt.Fprintln(os.Stderr, "couldn't open settings file")
os.Exit(1)
}
st := settings{}
err = yaml.Unmarshal(stu, &st)
if err != nil {
fmt.Fprintln(os.Stderr, "couldn't parse settings file")
os.Exit(1)
}
stpath, _ := fp.Abs(fp.Dir(set))
if !fp.IsAbs(st.Dir) {
st.Dir = fp.Join(stpath, st.Dir)
}
if !fp.IsAbs(st.Template) {
st.Template = fp.Join(stpath, st.Template)
}
if st.Log != "" && !fp.IsAbs(st.Log) {
st.Log = fp.Join(stpath, st.Log)
}
if st.TLS.Cert != "" && !fp.IsAbs(st.TLS.Cert) {
st.TLS.Cert = fp.Join(stpath, st.TLS.Cert)
}
if st.TLS.Privkey != "" && !fp.IsAbs(st.TLS.Privkey) {
st.TLS.Privkey = fp.Join(stpath, st.TLS.Privkey)
}
logFile := os.Stderr
if st.Log != "" {
f, err := os.OpenFile(st.Log, os.O_RDWR|os.O_CREATE|os.O_APPEND, 0666)
if err == nil {
defer f.Close()
logFile = f
}
}
log.SetOutput(logFile)
log.SetFlags(log.LstdFlags | log.Lshortfile)
st.toServer(logFile).serve()
}