seaweedfs/weed/command/filer.go
2018-08-13 01:20:49 -07:00

152 lines
5.1 KiB
Go

package command
import (
"net/http"
"strconv"
"time"
"github.com/chrislusf/seaweedfs/weed/filer2"
"github.com/chrislusf/seaweedfs/weed/glog"
"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
"github.com/chrislusf/seaweedfs/weed/server"
"github.com/chrislusf/seaweedfs/weed/util"
"google.golang.org/grpc/reflection"
"strings"
)
var (
f FilerOptions
)
type FilerOptions struct {
masters *string
ip *string
port *int
grpcPort *int
publicPort *int
collection *string
defaultReplicaPlacement *string
redirectOnRead *bool
disableDirListing *bool
maxMB *int
secretKey *string
dirListingLimit *int
dataCenter *string
enableNotification *bool
}
func init() {
cmdFiler.Run = runFiler // break init cycle
f.masters = cmdFiler.Flag.String("master", "localhost:9333", "comma-separated master servers")
f.collection = cmdFiler.Flag.String("collection", "", "all data will be stored in this collection")
f.ip = cmdFiler.Flag.String("ip", "", "filer server http listen ip address")
f.port = cmdFiler.Flag.Int("port", 8888, "filer server http listen port")
f.grpcPort = cmdFiler.Flag.Int("port.grpc", 0, "filer grpc server listen port, default to http port + 10000")
f.publicPort = cmdFiler.Flag.Int("port.public", 0, "port opened to public")
f.defaultReplicaPlacement = cmdFiler.Flag.String("defaultReplicaPlacement", "000", "default replication type if not specified")
f.redirectOnRead = cmdFiler.Flag.Bool("redirectOnRead", false, "whether proxy or redirect to volume server during file GET request")
f.disableDirListing = cmdFiler.Flag.Bool("disableDirListing", false, "turn off directory listing")
f.maxMB = cmdFiler.Flag.Int("maxMB", 32, "split files larger than the limit")
f.secretKey = cmdFiler.Flag.String("secure.secret", "", "secret to encrypt Json Web Token(JWT)")
f.dirListingLimit = cmdFiler.Flag.Int("dirListLimit", 1000, "limit sub dir listing size")
f.dataCenter = cmdFiler.Flag.String("dataCenter", "", "prefer to write to volumes in this data center")
f.enableNotification = cmdFiler.Flag.Bool("notify", false, "send file updates to the queue defined in message_queue.toml")
}
var cmdFiler = &Command{
UsageLine: "filer -port=8888 -master=<ip:port>[,<ip:port>]*",
Short: "start a file server that points to a master server, or a list of master servers",
Long: `start a file server which accepts REST operation for any files.
//create or overwrite the file, the directories /path/to will be automatically created
POST /path/to/file
//get the file content
GET /path/to/file
//create or overwrite the file, the filename in the multipart request will be used
POST /path/to/
//return a json format subdirectory and files listing
GET /path/to/
The configuration file "filer.toml" is read from ".", "$HOME/.seaweedfs/", or "/etc/seaweedfs/", in that order.
The following are example filer.toml configuration file.
` + filer2.FILER_TOML_EXAMPLE + "\n",
}
func runFiler(cmd *Command, args []string) bool {
f.start()
return true
}
func (fo *FilerOptions) start() {
defaultMux := http.NewServeMux()
publicVolumeMux := defaultMux
if *fo.publicPort != 0 {
publicVolumeMux = http.NewServeMux()
}
fs, nfs_err := weed_server.NewFilerServer(defaultMux, publicVolumeMux, &weed_server.FilerOption{
Masters: strings.Split(*f.masters, ","),
Collection: *fo.collection,
DefaultReplication: *fo.defaultReplicaPlacement,
RedirectOnRead: *fo.redirectOnRead,
DisableDirListing: *fo.disableDirListing,
MaxMB: *fo.maxMB,
SecretKey: *fo.secretKey,
DirListingLimit: *fo.dirListingLimit,
DataCenter: *fo.dataCenter,
EnableNotification: *fo.enableNotification,
})
if nfs_err != nil {
glog.Fatalf("Filer startup error: %v", nfs_err)
}
if *fo.publicPort != 0 {
publicListeningAddress := *fo.ip + ":" + strconv.Itoa(*fo.publicPort)
glog.V(0).Infoln("Start Seaweed filer server", util.VERSION, "public at", publicListeningAddress)
publicListener, e := util.NewListener(publicListeningAddress, 0)
if e != nil {
glog.Fatalf("Filer server public listener error on port %d:%v", *fo.publicPort, e)
}
go func() {
if e := http.Serve(publicListener, publicVolumeMux); e != nil {
glog.Fatalf("Volume server fail to serve public: %v", e)
}
}()
}
glog.V(0).Infoln("Start Seaweed Filer", util.VERSION, "at port", strconv.Itoa(*fo.port))
filerListener, e := util.NewListener(
":"+strconv.Itoa(*fo.port),
time.Duration(10)*time.Second,
)
if e != nil {
glog.Fatalf("Filer listener error: %v", e)
}
// starting grpc server
grpcPort := *fo.grpcPort
if grpcPort == 0 {
grpcPort = *fo.port + 10000
}
grpcL, err := util.NewListener(":"+strconv.Itoa(grpcPort), 0)
if err != nil {
glog.Fatalf("failed to listen on grpc port %d: %v", grpcPort, err)
}
grpcS := util.NewGrpcServer()
filer_pb.RegisterSeaweedFilerServer(grpcS, fs)
reflection.Register(grpcS)
go grpcS.Serve(grpcL)
httpS := &http.Server{Handler: defaultMux}
if err := httpS.Serve(filerListener); err != nil {
glog.Fatalf("Filer Fail to serve: %v", e)
}
}