mirror of
https://github.com/kevin-DL/services.git
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102 lines
2.1 KiB
Go
102 lines
2.1 KiB
Go
package main
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import (
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"io"
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"os"
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"path"
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"strings"
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"github.com/micro/services/ip/handler"
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pb "github.com/micro/services/ip/proto"
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"github.com/micro/services/pkg/tracing"
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"github.com/micro/micro/v3/service"
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"github.com/micro/micro/v3/service/config"
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"github.com/micro/micro/v3/service/logger"
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"github.com/micro/micro/v3/service/store"
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"github.com/oschwald/geoip2-golang"
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)
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// loadFile from the blob store
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func loadFile(p string) (string, error) {
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name := path.Base(p)
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f, err := os.Create("./" + name)
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if err != nil {
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return "", err
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}
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defer f.Close()
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reader, err := store.DefaultBlobStore.Read(p)
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if err != nil {
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return "", err
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}
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_, err = io.Copy(f, reader)
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return "./" + name, err
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}
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func main() {
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// Create service
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srv := service.New(
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service.Name("ip"),
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service.Version("latest"),
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)
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// get the ip city database
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v, err := config.Get("ip.city.database")
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if err != nil {
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logger.Fatalf("failed to get config: %v", err)
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}
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path := v.String("./GeoLite2-City.mmdb")
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// load from blob store if specified
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if strings.HasPrefix(path, "blob://") {
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f, err := loadFile(strings.TrimPrefix(path, "blob://"))
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if err != nil {
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logger.Fatal("failed to load db: %v", err)
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}
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path = f
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}
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// load the ip city database
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cr, err := geoip2.Open(path)
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if err != nil {
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logger.Fatalf("failed to open ip db: %v", err)
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}
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// get the asn database
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v, err = config.Get("ip.asn.database")
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if err != nil {
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logger.Fatalf("failed to get config: %v", err)
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}
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path = v.String("./GeoLite2-ASN.mmdb")
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// load from blob store if specified
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if strings.HasPrefix(path, "blob://") {
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f, err := loadFile(strings.TrimPrefix(path, "blob://"))
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if err != nil {
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logger.Fatal("failed to load db: %v", err)
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}
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path = f
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}
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ar, err := geoip2.Open(path)
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if err != nil {
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logger.Fatalf("failed to open ip db: %v", err)
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}
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// Register handler
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pb.RegisterIpHandler(srv.Server(), &handler.Ip{CityReader: cr, ASNReader: ar})
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traceCloser := tracing.SetupOpentracing("ip")
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defer traceCloser.Close()
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// Run service
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if err := srv.Run(); err != nil {
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logger.Fatal(err)
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}
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}
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