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406 lines
14 KiB
406 lines
14 KiB
package command
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import (
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"context"
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"crypto/tls"
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"crypto/x509"
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"fmt"
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"io/ioutil"
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"net"
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"os"
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"runtime"
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"strings"
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"time"
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"github.com/gorilla/mux"
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"google.golang.org/grpc/credentials/tls/certprovider"
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"google.golang.org/grpc/credentials/tls/certprovider/pemfile"
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"google.golang.org/grpc/reflection"
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"github.com/seaweedfs/seaweedfs/weed/glog"
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"github.com/seaweedfs/seaweedfs/weed/pb"
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"github.com/seaweedfs/seaweedfs/weed/pb/filer_pb"
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"github.com/seaweedfs/seaweedfs/weed/pb/s3_pb"
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"github.com/seaweedfs/seaweedfs/weed/s3api"
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"github.com/seaweedfs/seaweedfs/weed/s3api/s3err"
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"github.com/seaweedfs/seaweedfs/weed/security"
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stats_collect "github.com/seaweedfs/seaweedfs/weed/stats"
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"github.com/seaweedfs/seaweedfs/weed/util"
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"github.com/seaweedfs/seaweedfs/weed/util/version"
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)
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var (
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s3StandaloneOptions S3Options
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)
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type S3Options struct {
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filer *string
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bindIp *string
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port *int
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portHttps *int
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portGrpc *int
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config *string
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iamConfig *string
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domainName *string
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allowedOrigins *string
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tlsPrivateKey *string
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tlsCertificate *string
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tlsCACertificate *string
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tlsVerifyClientCert *bool
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metricsHttpPort *int
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metricsHttpIp *string
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allowEmptyFolder *bool
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allowDeleteBucketNotEmpty *bool
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auditLogConfig *string
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localFilerSocket *string
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dataCenter *string
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localSocket *string
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certProvider certprovider.Provider
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idleTimeout *int
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}
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func init() {
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cmdS3.Run = runS3 // break init cycle
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s3StandaloneOptions.filer = cmdS3.Flag.String("filer", "localhost:8888", "filer server address")
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s3StandaloneOptions.bindIp = cmdS3.Flag.String("ip.bind", "", "ip address to bind to. Default to localhost.")
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s3StandaloneOptions.port = cmdS3.Flag.Int("port", 8333, "s3 server http listen port")
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s3StandaloneOptions.portHttps = cmdS3.Flag.Int("port.https", 0, "s3 server https listen port")
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s3StandaloneOptions.portGrpc = cmdS3.Flag.Int("port.grpc", 0, "s3 server grpc listen port")
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s3StandaloneOptions.domainName = cmdS3.Flag.String("domainName", "", "suffix of the host name in comma separated list, {bucket}.{domainName}")
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s3StandaloneOptions.allowedOrigins = cmdS3.Flag.String("allowedOrigins", "*", "comma separated list of allowed origins")
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s3StandaloneOptions.dataCenter = cmdS3.Flag.String("dataCenter", "", "prefer to read and write to volumes in this data center")
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s3StandaloneOptions.config = cmdS3.Flag.String("config", "", "path to the config file")
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s3StandaloneOptions.iamConfig = cmdS3.Flag.String("iam.config", "", "path to the advanced IAM config file")
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s3StandaloneOptions.auditLogConfig = cmdS3.Flag.String("auditLogConfig", "", "path to the audit log config file")
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s3StandaloneOptions.tlsPrivateKey = cmdS3.Flag.String("key.file", "", "path to the TLS private key file")
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s3StandaloneOptions.tlsCertificate = cmdS3.Flag.String("cert.file", "", "path to the TLS certificate file")
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s3StandaloneOptions.tlsCACertificate = cmdS3.Flag.String("cacert.file", "", "path to the TLS CA certificate file")
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s3StandaloneOptions.tlsVerifyClientCert = cmdS3.Flag.Bool("tlsVerifyClientCert", false, "whether to verify the client's certificate")
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s3StandaloneOptions.metricsHttpPort = cmdS3.Flag.Int("metricsPort", 0, "Prometheus metrics listen port")
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s3StandaloneOptions.metricsHttpIp = cmdS3.Flag.String("metricsIp", "", "metrics listen ip. If empty, default to same as -ip.bind option.")
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s3StandaloneOptions.allowEmptyFolder = cmdS3.Flag.Bool("allowEmptyFolder", true, "allow empty folders")
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s3StandaloneOptions.allowDeleteBucketNotEmpty = cmdS3.Flag.Bool("allowDeleteBucketNotEmpty", true, "allow recursive deleting all entries along with bucket")
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s3StandaloneOptions.localFilerSocket = cmdS3.Flag.String("localFilerSocket", "", "local filer socket path")
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s3StandaloneOptions.localSocket = cmdS3.Flag.String("localSocket", "", "default to /tmp/seaweedfs-s3-<port>.sock")
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s3StandaloneOptions.idleTimeout = cmdS3.Flag.Int("idleTimeout", 10, "connection idle seconds")
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}
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var cmdS3 = &Command{
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UsageLine: "s3 [-port=8333] [-filer=<ip:port>] [-config=</path/to/config.json>]",
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Short: "start a s3 API compatible server that is backed by a filer",
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Long: `start a s3 API compatible server that is backed by a filer.
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By default, you can use any access key and secret key to access the S3 APIs.
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To enable credential based access, create a config.json file similar to this:
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{
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"identities": [
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{
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"name": "anonymous",
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"actions": [
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"Read"
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]
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},
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{
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"name": "some_admin_user",
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"credentials": [
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{
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"accessKey": "some_access_key1",
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"secretKey": "some_secret_key1"
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}
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],
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"actions": [
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"Admin",
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"Read",
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"List",
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"Tagging",
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"Write"
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]
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},
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{
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"name": "some_read_only_user",
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"credentials": [
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{
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"accessKey": "some_access_key2",
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"secretKey": "some_secret_key2"
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}
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],
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"actions": [
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"Read"
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]
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},
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{
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"name": "some_normal_user",
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"credentials": [
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{
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"accessKey": "some_access_key3",
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"secretKey": "some_secret_key3"
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}
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],
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"actions": [
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"Read",
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"List",
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"Tagging",
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"Write"
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]
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},
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{
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"name": "user_limited_to_bucket1",
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"credentials": [
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{
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"accessKey": "some_access_key4",
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"secretKey": "some_secret_key4"
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}
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],
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"actions": [
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"Read:bucket1",
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"List:bucket1",
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"Tagging:bucket1",
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"Write:bucket1"
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]
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}
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]
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}
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Alternatively, you can use environment variables as fallback admin credentials:
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AWS_ACCESS_KEY_ID=your_access_key AWS_SECRET_ACCESS_KEY=your_secret_key weed s3
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Environment variables are only used when no S3 configuration file is provided
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and no configuration is available from the filer. This provides a simple way
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to get started without requiring configuration files.
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`,
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}
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func runS3(cmd *Command, args []string) bool {
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util.LoadSecurityConfiguration()
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switch {
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case *s3StandaloneOptions.metricsHttpIp != "":
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// noting to do, use s3StandaloneOptions.metricsHttpIp
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case *s3StandaloneOptions.bindIp != "":
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*s3StandaloneOptions.metricsHttpIp = *s3StandaloneOptions.bindIp
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}
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go stats_collect.StartMetricsServer(*s3StandaloneOptions.metricsHttpIp, *s3StandaloneOptions.metricsHttpPort)
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return s3StandaloneOptions.startS3Server()
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}
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// GetCertificateWithUpdate Auto refreshing TSL certificate
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func (s3opt *S3Options) GetCertificateWithUpdate(*tls.ClientHelloInfo) (*tls.Certificate, error) {
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certs, err := s3opt.certProvider.KeyMaterial(context.Background())
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if certs == nil {
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return nil, err
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}
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return &certs.Certs[0], err
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}
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func (s3opt *S3Options) startS3Server() bool {
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filerAddress := pb.ServerAddress(*s3opt.filer)
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filerBucketsPath := "/buckets"
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filerGroup := ""
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grpcDialOption := security.LoadClientTLS(util.GetViper(), "grpc.client")
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// metrics read from the filer
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var metricsAddress string
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var metricsIntervalSec int
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for {
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err := pb.WithGrpcFilerClient(false, 0, filerAddress, grpcDialOption, func(client filer_pb.SeaweedFilerClient) error {
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resp, err := client.GetFilerConfiguration(context.Background(), &filer_pb.GetFilerConfigurationRequest{})
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if err != nil {
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return fmt.Errorf("get filer %s configuration: %v", filerAddress, err)
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}
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filerBucketsPath = resp.DirBuckets
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filerGroup = resp.FilerGroup
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metricsAddress, metricsIntervalSec = resp.MetricsAddress, int(resp.MetricsIntervalSec)
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glog.V(0).Infof("S3 read filer buckets dir: %s", filerBucketsPath)
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return nil
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})
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if err != nil {
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glog.V(0).Infof("wait to connect to filer %s grpc address %s", *s3opt.filer, filerAddress.ToGrpcAddress())
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time.Sleep(time.Second)
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} else {
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glog.V(0).Infof("connected to filer %s grpc address %s", *s3opt.filer, filerAddress.ToGrpcAddress())
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break
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}
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}
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go stats_collect.LoopPushingMetric("s3", stats_collect.SourceName(uint32(*s3opt.port)), metricsAddress, metricsIntervalSec)
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router := mux.NewRouter().SkipClean(true)
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var localFilerSocket string
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if s3opt.localFilerSocket != nil {
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localFilerSocket = *s3opt.localFilerSocket
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}
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var s3ApiServer *s3api.S3ApiServer
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var s3ApiServer_err error
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// Create S3 server with optional advanced IAM integration
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var iamConfigPath string
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if s3opt.iamConfig != nil && *s3opt.iamConfig != "" {
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iamConfigPath = *s3opt.iamConfig
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glog.V(0).Infof("Starting S3 API Server with advanced IAM integration")
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} else {
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glog.V(0).Infof("Starting S3 API Server with standard IAM")
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}
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s3ApiServer, s3ApiServer_err = s3api.NewS3ApiServer(router, &s3api.S3ApiServerOption{
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Filer: filerAddress,
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Port: *s3opt.port,
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Config: *s3opt.config,
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DomainName: *s3opt.domainName,
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AllowedOrigins: strings.Split(*s3opt.allowedOrigins, ","),
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BucketsPath: filerBucketsPath,
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GrpcDialOption: grpcDialOption,
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AllowEmptyFolder: *s3opt.allowEmptyFolder,
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AllowDeleteBucketNotEmpty: *s3opt.allowDeleteBucketNotEmpty,
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LocalFilerSocket: localFilerSocket,
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DataCenter: *s3opt.dataCenter,
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FilerGroup: filerGroup,
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IamConfig: iamConfigPath, // Advanced IAM config (optional)
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})
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if s3ApiServer_err != nil {
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glog.Fatalf("S3 API Server startup error: %v", s3ApiServer_err)
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}
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if *s3opt.portGrpc == 0 {
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*s3opt.portGrpc = 10000 + *s3opt.port
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}
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if *s3opt.bindIp == "" {
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*s3opt.bindIp = "localhost"
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}
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if runtime.GOOS != "windows" {
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localSocket := *s3opt.localSocket
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if localSocket == "" {
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localSocket = fmt.Sprintf("/tmp/seaweedfs-s3-%d.sock", *s3opt.port)
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}
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if err := os.Remove(localSocket); err != nil && !os.IsNotExist(err) {
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glog.Fatalf("Failed to remove %s, error: %s", localSocket, err.Error())
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}
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go func() {
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// start on local unix socket
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s3SocketListener, err := net.Listen("unix", localSocket)
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if err != nil {
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glog.Fatalf("Failed to listen on %s: %v", localSocket, err)
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}
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newHttpServer(router, nil).Serve(s3SocketListener)
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}()
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}
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listenAddress := fmt.Sprintf("%s:%d", *s3opt.bindIp, *s3opt.port)
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s3ApiListener, s3ApiLocalListener, err := util.NewIpAndLocalListeners(
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*s3opt.bindIp, *s3opt.port, time.Duration(*s3opt.idleTimeout)*time.Second)
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if err != nil {
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glog.Fatalf("S3 API Server listener on %s error: %v", listenAddress, err)
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}
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if len(*s3opt.auditLogConfig) > 0 {
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s3err.InitAuditLog(*s3opt.auditLogConfig)
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if s3err.Logger != nil {
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defer s3err.Logger.Close()
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}
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}
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// starting grpc server
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grpcPort := *s3opt.portGrpc
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grpcL, grpcLocalL, err := util.NewIpAndLocalListeners(*s3opt.bindIp, grpcPort, 0)
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if err != nil {
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glog.Fatalf("s3 failed to listen on grpc port %d: %v", grpcPort, err)
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}
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grpcS := pb.NewGrpcServer(security.LoadServerTLS(util.GetViper(), "grpc.s3"))
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s3_pb.RegisterSeaweedS3Server(grpcS, s3ApiServer)
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reflection.Register(grpcS)
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if grpcLocalL != nil {
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go grpcS.Serve(grpcLocalL)
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}
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go grpcS.Serve(grpcL)
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if *s3opt.tlsPrivateKey != "" {
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pemfileOptions := pemfile.Options{
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CertFile: *s3opt.tlsCertificate,
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KeyFile: *s3opt.tlsPrivateKey,
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RefreshDuration: security.CredRefreshingInterval,
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}
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if s3opt.certProvider, err = pemfile.NewProvider(pemfileOptions); err != nil {
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glog.Fatalf("pemfile.NewProvider(%v) failed: %v", pemfileOptions, err)
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}
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caCertPool := x509.NewCertPool()
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if *s3opt.tlsCACertificate != "" {
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// load CA certificate file and add it to list of client CAs
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caCertFile, err := ioutil.ReadFile(*s3opt.tlsCACertificate)
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if err != nil {
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glog.Fatalf("error reading CA certificate: %v", err)
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}
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caCertPool.AppendCertsFromPEM(caCertFile)
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}
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clientAuth := tls.NoClientCert
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if *s3opt.tlsVerifyClientCert {
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clientAuth = tls.RequireAndVerifyClientCert
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}
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tlsConfig := &tls.Config{
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GetCertificate: s3opt.GetCertificateWithUpdate,
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ClientAuth: clientAuth,
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ClientCAs: caCertPool,
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}
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err = security.FixTlsConfig(util.GetViper(), tlsConfig)
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if err != nil {
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glog.Fatalf("error with tls config: %v", err)
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}
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if *s3opt.portHttps == 0 {
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glog.V(0).Infof("Start Seaweed S3 API Server %s at https port %d", version.Version(), *s3opt.port)
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if s3ApiLocalListener != nil {
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go func() {
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if err = newHttpServer(router, tlsConfig).ServeTLS(s3ApiLocalListener, "", ""); err != nil {
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glog.Fatalf("S3 API Server Fail to serve: %v", err)
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}
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}()
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}
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if err = newHttpServer(router, tlsConfig).ServeTLS(s3ApiListener, "", ""); err != nil {
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glog.Fatalf("S3 API Server Fail to serve: %v", err)
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}
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} else {
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glog.V(0).Infof("Start Seaweed S3 API Server %s at https port %d", version.Version(), *s3opt.portHttps)
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s3ApiListenerHttps, s3ApiLocalListenerHttps, _ := util.NewIpAndLocalListeners(
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*s3opt.bindIp, *s3opt.portHttps, time.Duration(*s3opt.idleTimeout)*time.Second)
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if s3ApiLocalListenerHttps != nil {
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go func() {
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if err = newHttpServer(router, tlsConfig).ServeTLS(s3ApiLocalListenerHttps, "", ""); err != nil {
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glog.Fatalf("S3 API Server Fail to serve: %v", err)
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}
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}()
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}
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go func() {
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if err = newHttpServer(router, tlsConfig).ServeTLS(s3ApiListenerHttps, "", ""); err != nil {
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glog.Fatalf("S3 API Server Fail to serve: %v", err)
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}
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}()
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}
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}
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if *s3opt.tlsPrivateKey == "" || *s3opt.portHttps > 0 {
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glog.V(0).Infof("Start Seaweed S3 API Server %s at http port %d", version.Version(), *s3opt.port)
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if s3ApiLocalListener != nil {
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go func() {
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if err = newHttpServer(router, nil).Serve(s3ApiLocalListener); err != nil {
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glog.Fatalf("S3 API Server Fail to serve: %v", err)
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}
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}()
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}
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if err = newHttpServer(router, nil).Serve(s3ApiListener); err != nil {
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glog.Fatalf("S3 API Server Fail to serve: %v", err)
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}
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}
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return true
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}
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