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main.go
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main.go
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//go:generate bash build/generate.sh
package main
import (
"context"
"flag"
"fmt"
"net/http"
"os"
"os/signal"
"syscall"
"time"
"github.com/rs/zerolog"
gitlab2 "github.com/sirkon/gitlab"
"github.com/sirkon/goproxy"
"github.com/sirkon/goproxy/router"
"github.com/sirkon/goproxy/source/gitlab"
"github.com/sirkon/goproxy/source/vcs"
)
var listen string
var cacheDir string
var gitlabAPIURL string
func init() {
flag.StringVar(&cacheDir, "cache-dir", "", "go modules cache dir")
flag.StringVar(&gitlabAPIURL, "gitlab-api-url", "", "gitlab host to get modules from")
flag.StringVar(&listen, "listen", "0.0.0.0:8081", "service listen address")
flag.Parse()
}
func main() {
if len(cacheDir) == 0 {
fmt.Print("cached dir must be set")
flag.Usage()
os.Exit(1)
}
writer := zerolog.NewConsoleWriter()
writer.TimeFormat = time.RFC3339
writer.FormatMessage = func(i interface{}) string {
return fmt.Sprintf("\033[1m%v\033[0m", i)
}
writer.FormatTimestamp = func(i interface{}) string {
if i == nil {
return ""
}
return fmt.Sprintf("\033[2m%v\033[0m", i)
}
writer.FormatFieldName = func(i interface{}) string {
return fmt.Sprintf("\033[35m%s\033[0m", i)
}
writer.FormatFieldValue = func(i interface{}) string {
return fmt.Sprintf("[%v]", i)
}
writer.FormatErrFieldName = func(i interface{}) string {
return fmt.Sprintf("\033[31m%s\033[0m", i)
}
writer.FormatErrFieldValue =
func(i interface{}) string {
return fmt.Sprintf("\033[31m[%v]\033[0m", i)
}
log := zerolog.New(writer).Level(zerolog.DebugLevel)
errCh := make(chan error)
log.Info().Str("listen", listen).Msg("start listening")
r, err := router.NewRouter()
if err != nil {
log.Fatal().Err(err)
}
legacy, err := vcs.NewPlugin(cacheDir)
if err != nil {
log.Fatal().Err(err).Msg("exitting")
}
if err := r.AddRoute("", legacy); err != nil {
log.Fatal().Err(err).Msg("exitting")
}
if len(gitlabAPIURL) > 0 {
gl := gitlab.NewPlugin(gitlab2.NewAPIAccess(nil, gitlabAPIURL), true)
if err := r.AddRoute("gitlab", gl); err != nil {
log.Fatal().Err(err).Msg("exitting")
}
}
m := goproxy.Middleware(r, "", &log)
server := http.Server{
Addr: listen,
Handler: m,
}
go func() {
err := server.ListenAndServe()
if err != nil {
errCh <- err
}
}()
signCh := make(chan os.Signal)
signal.Notify(signCh, os.Interrupt, syscall.SIGTERM)
select {
case err := <-errCh:
log.Fatal().Err(err).Msg("exitting")
case sign := <-signCh:
ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
defer cancel()
_ = server.Shutdown(ctx)
log.Info().Str("signal", sign.String()).Msg("server stopped on signal")
}
}