65 lines
1.5 KiB
Go
65 lines
1.5 KiB
Go
package main
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import (
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"fmt"
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"log"
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"net/http"
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"os"
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"os/signal"
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"syscall"
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api_v1 "git.ar21.de/yolokube/country-geo-locations/api/v1"
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"git.ar21.de/yolokube/country-geo-locations/cfg"
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"git.ar21.de/yolokube/country-geo-locations/pkg/downloader"
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"git.ar21.de/yolokube/country-geo-locations/pkg/geoloc"
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"github.com/go-chi/chi/v5"
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"github.com/go-chi/chi/v5/middleware"
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"github.com/go-chi/render"
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)
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func main() {
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appSettings := cfg.NewAppSettings()
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if err := appSettings.Parse(); err != nil {
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panic(err)
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}
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handleGracefulShutdown()
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if !downloader.FileExists(appSettings.DataFile) {
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downloader.DownloadFile(appSettings.DataFile, appSettings.DataURL)
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}
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fmt.Printf("Import data from file...\r")
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err := geoloc.ImportCSV(appSettings.DataFile)
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if err != nil {
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fmt.Println("Import data from file failed")
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panic(err)
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}
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fmt.Println("Import data from file successful")
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geoloc.IPCache = geoloc.NewCache()
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fmt.Println("Cache created")
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r := chi.NewRouter()
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r.Use(middleware.RequestID)
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r.Use(middleware.Logger)
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r.Use(middleware.Recoverer)
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r.Use(render.SetContentType(render.ContentTypeJSON))
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r.Mount("/api/v1", api_v1.ApiRouter())
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log.Printf("starting server at %s\n", appSettings.ServerAddress)
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http.ListenAndServe(appSettings.ServerAddress, r)
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}
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func handleGracefulShutdown() {
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var signals = make(chan os.Signal, 1)
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signal.Notify(signals, syscall.SIGTERM)
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signal.Notify(signals, syscall.SIGINT)
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go func() {
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sig := <-signals
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log.Printf("caught signal: %+v", sig)
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os.Exit(0)
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}()
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}
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