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|
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=<ip:port>] [-config=</path/to/config.json>]",
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.ParseFilerGrpcAddress(*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
}
|
