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main.go
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main.go
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package main
import (
logger "github.com/chi-middleware/logrus-logger"
"github.com/go-chi/chi"
"github.com/go-chi/chi/middleware"
"github.com/go-chi/render"
log "github.com/sirupsen/logrus"
"gopkg.in/yaml.v2"
"io/ioutil"
"net/http"
"os"
)
type Config struct {
ListenAddr string `yaml:"listen"`
Servers map[string]string `yaml:"servers"`
}
func readConfigFromFile(filename string) (c Config, err error) {
file, err := ioutil.ReadFile(filename)
if err != nil {
return Config{}, err
}
err = yaml.Unmarshal(file, &c)
if err != nil {
return Config{}, err
}
return c, nil
}
func main() {
file := "./config.yml"
if fileEnv := os.Getenv("CONFIG_FILE"); fileEnv != "" {
file = fileEnv
}
cfg, err := readConfigFromFile(file)
if err != nil {
log.Fatalf("Error encountered while reading config: %v", err)
}
s := NewRoutes(&cfg)
r := chi.NewRouter()
r.Use(logger.Logger("router", log.StandardLogger()))
r.Use(middleware.Recoverer)
r.Use(render.SetContentType(render.ContentTypeJSON))
r.Get("/servers", s.GetServers)
r.Get("/server/{server}", s.GetSummary)
r.Get("/server/{server}/details/{peer}", s.GetDetails)
r.Get("/server/{server}/route/{route}", s.GetRoute)
log.Infof("starting the server at %s ...", cfg.ListenAddr)
log.Fatal(http.ListenAndServe(cfg.ListenAddr, r))
}