forked from TrueCloudLab/distribution
85 lines
1.8 KiB
Go
85 lines
1.8 KiB
Go
package main
|
|
|
|
import (
|
|
"flag"
|
|
"fmt"
|
|
"net/http"
|
|
_ "net/http/pprof"
|
|
"os"
|
|
|
|
"github.com/gorilla/handlers"
|
|
|
|
log "github.com/Sirupsen/logrus"
|
|
|
|
"github.com/docker/docker-registry"
|
|
"github.com/docker/docker-registry/configuration"
|
|
_ "github.com/docker/docker-registry/storagedriver/filesystem"
|
|
_ "github.com/docker/docker-registry/storagedriver/inmemory"
|
|
_ "github.com/docker/docker-registry/storagedriver/s3"
|
|
)
|
|
|
|
func main() {
|
|
flag.Usage = usage
|
|
flag.Parse()
|
|
|
|
config, err := resolveConfiguration()
|
|
if err != nil {
|
|
fatalf("configuration error: %v", err)
|
|
}
|
|
|
|
app := registry.NewApp(*config)
|
|
handler := handlers.CombinedLoggingHandler(os.Stdout, app)
|
|
log.SetLevel(logLevel(config.Loglevel))
|
|
|
|
log.Infof("listening on %v", config.HTTP.Addr)
|
|
if err := http.ListenAndServe(config.HTTP.Addr, handler); err != nil {
|
|
log.Fatalln(err)
|
|
}
|
|
}
|
|
|
|
func usage() {
|
|
fmt.Fprintln(os.Stderr, "usage:", os.Args[0], "<config>")
|
|
flag.PrintDefaults()
|
|
}
|
|
|
|
func fatalf(format string, args ...interface{}) {
|
|
fmt.Fprintf(os.Stderr, format+"\n", args...)
|
|
usage()
|
|
os.Exit(1)
|
|
}
|
|
|
|
func resolveConfiguration() (*configuration.Configuration, error) {
|
|
var configurationPath string
|
|
|
|
if flag.NArg() > 0 {
|
|
configurationPath = flag.Arg(0)
|
|
} else if os.Getenv("REGISTRY_CONFIGURATION_PATH") != "" {
|
|
configurationPath = os.Getenv("REGISTRY_CONFIGURATION_PATH")
|
|
}
|
|
|
|
if configurationPath == "" {
|
|
return nil, fmt.Errorf("configuration path unspecified")
|
|
}
|
|
|
|
fp, err := os.Open(configurationPath)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
config, err := configuration.Parse(fp)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("error parsing %s: %v", configurationPath, err)
|
|
}
|
|
|
|
return config, nil
|
|
}
|
|
|
|
func logLevel(level configuration.Loglevel) log.Level {
|
|
l, err := log.ParseLevel(string(level))
|
|
if err != nil {
|
|
log.Warnf("error parsing level %q: %v", level, err)
|
|
l = log.InfoLevel
|
|
}
|
|
|
|
return l
|
|
}
|