package command import ( "context" "fmt" "net/http" "time" "github.com/chrislusf/seaweedfs/weed/pb" "github.com/chrislusf/seaweedfs/weed/pb/filer_pb" "github.com/chrislusf/seaweedfs/weed/security" "github.com/gorilla/mux" "github.com/chrislusf/seaweedfs/weed/glog" "github.com/chrislusf/seaweedfs/weed/s3api" stats_collect "github.com/chrislusf/seaweedfs/weed/stats" "github.com/chrislusf/seaweedfs/weed/util" ) var ( s3StandaloneOptions S3Options ) type S3Options struct { filer *string port *int config *string domainName *string tlsPrivateKey *string tlsCertificate *string metricsHttpPort *int allowEmptyFolder *bool } func init() { cmdS3.Run = runS3 // break init cycle s3StandaloneOptions.filer = cmdS3.Flag.String("filer", "localhost:8888", "filer server address") s3StandaloneOptions.port = cmdS3.Flag.Int("port", 8333, "s3 server http listen port") s3StandaloneOptions.domainName = cmdS3.Flag.String("domainName", "", "suffix of the host name in comma separated list, {bucket}.{domainName}") s3StandaloneOptions.config = cmdS3.Flag.String("config", "", "path to the config file") s3StandaloneOptions.tlsPrivateKey = cmdS3.Flag.String("key.file", "", "path to the TLS private key file") s3StandaloneOptions.tlsCertificate = cmdS3.Flag.String("cert.file", "", "path to the TLS certificate file") s3StandaloneOptions.metricsHttpPort = cmdS3.Flag.Int("metricsPort", 0, "Prometheus metrics listen port") s3StandaloneOptions.allowEmptyFolder = cmdS3.Flag.Bool("allowEmptyFolder", false, "allow empty folders") } var cmdS3 = &Command{ UsageLine: "s3 [-port=8333] [-filer=] [-config=]", Short: "start a s3 API compatible server that is backed by a filer", Long: `start a s3 API compatible server that is backed by a filer. By default, you can use any access key and secret key to access the S3 APIs. To enable credential based access, create a config.json file similar to this: { "identities": [ { "name": "anonymous", "actions": [ "Read" ] }, { "name": "some_admin_user", "credentials": [ { "accessKey": "some_access_key1", "secretKey": "some_secret_key1" } ], "actions": [ "Admin", "Read", "List", "Tagging", "Write" ] }, { "name": "some_read_only_user", "credentials": [ { "accessKey": "some_access_key2", "secretKey": "some_secret_key2" } ], "actions": [ "Read" ] }, { "name": "some_normal_user", "credentials": [ { "accessKey": "some_access_key3", "secretKey": "some_secret_key3" } ], "actions": [ "Read", "List", "Tagging", "Write" ] }, { "name": "user_limited_to_bucket1", "credentials": [ { "accessKey": "some_access_key4", "secretKey": "some_secret_key4" } ], "actions": [ "Read:bucket1", "List:bucket1", "Tagging:bucket1", "Write:bucket1" ] } ] } `, } func runS3(cmd *Command, args []string) bool { util.LoadConfiguration("security", false) go stats_collect.StartMetricsServer(*s3StandaloneOptions.metricsHttpPort) return s3StandaloneOptions.startS3Server() } func (s3opt *S3Options) startS3Server() bool { filerGrpcAddress, err := pb.ParseServerToGrpcAddress(*s3opt.filer) if err != nil { glog.Fatal(err) return false } filerBucketsPath := "/buckets" grpcDialOption := security.LoadClientTLS(util.GetViper(), "grpc.client") // metrics read from the filer var metricsAddress string var metricsIntervalSec int for { err = pb.WithGrpcFilerClient(filerGrpcAddress, grpcDialOption, func(client filer_pb.SeaweedFilerClient) error { resp, err := client.GetFilerConfiguration(context.Background(), &filer_pb.GetFilerConfigurationRequest{}) if err != nil { return fmt.Errorf("get filer %s configuration: %v", filerGrpcAddress, err) } filerBucketsPath = resp.DirBuckets metricsAddress, metricsIntervalSec = resp.MetricsAddress, int(resp.MetricsIntervalSec) glog.V(0).Infof("S3 read filer buckets dir: %s", filerBucketsPath) return nil }) if err != nil { glog.V(0).Infof("wait to connect to filer %s grpc address %s", *s3opt.filer, filerGrpcAddress) time.Sleep(time.Second) } else { glog.V(0).Infof("connected to filer %s grpc address %s", *s3opt.filer, filerGrpcAddress) break } } go stats_collect.LoopPushingMetric("s3", stats_collect.SourceName(uint32(*s3opt.port)), metricsAddress, metricsIntervalSec) router := mux.NewRouter().SkipClean(true) _, s3ApiServer_err := s3api.NewS3ApiServer(router, &s3api.S3ApiServerOption{ Filer: *s3opt.filer, Port: *s3opt.port, FilerGrpcAddress: filerGrpcAddress, Config: *s3opt.config, DomainName: *s3opt.domainName, BucketsPath: filerBucketsPath, GrpcDialOption: grpcDialOption, AllowEmptyFolder: *s3opt.allowEmptyFolder, }) if s3ApiServer_err != nil { glog.Fatalf("S3 API Server startup error: %v", s3ApiServer_err) } httpS := &http.Server{Handler: router} listenAddress := fmt.Sprintf(":%d", *s3opt.port) s3ApiListener, err := util.NewListener(listenAddress, time.Duration(10)*time.Second) if err != nil { glog.Fatalf("S3 API Server listener on %s error: %v", listenAddress, err) } if *s3opt.tlsPrivateKey != "" { glog.V(0).Infof("Start Seaweed S3 API Server %s at https port %d", util.Version(), *s3opt.port) if err = httpS.ServeTLS(s3ApiListener, *s3opt.tlsCertificate, *s3opt.tlsPrivateKey); err != nil { glog.Fatalf("S3 API Server Fail to serve: %v", err) } } else { glog.V(0).Infof("Start Seaweed S3 API Server %s at http port %d", util.Version(), *s3opt.port) if err = httpS.Serve(s3ApiListener); err != nil { glog.Fatalf("S3 API Server Fail to serve: %v", err) } } return true }