seaweedfs/weed/command/filer.go

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package command
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import (
"net/http"
"strconv"
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"strings"
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"time"
"github.com/chrislusf/seaweedfs/weed/glog"
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"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
"github.com/chrislusf/seaweedfs/weed/server"
"github.com/chrislusf/seaweedfs/weed/util"
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"google.golang.org/grpc/reflection"
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)
var (
f FilerOptions
)
type FilerOptions struct {
masters *string
ip *string
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port *int
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grpcPort *int
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publicPort *int
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collection *string
defaultReplicaPlacement *string
redirectOnRead *bool
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disableDirListing *bool
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maxMB *int
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secretKey *string
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dirListingLimit *int
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dataCenter *string
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enableNotification *bool
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}
func init() {
cmdFiler.Run = runFiler // break init cycle
f.masters = cmdFiler.Flag.String("master", "localhost:9333", "comma-separated master servers")
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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")
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f.port = cmdFiler.Flag.Int("port", 8888, "filer server http listen port")
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f.grpcPort = cmdFiler.Flag.Int("port.grpc", 0, "filer grpc server listen port, default to http port + 10000")
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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")
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f.disableDirListing = cmdFiler.Flag.Bool("disableDirListing", false, "turn off directory listing")
f.maxMB = cmdFiler.Flag.Int("maxMB", 32, "split files larger than the limit")
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f.secretKey = cmdFiler.Flag.String("secure.secret", "", "secret to encrypt Json Web Token(JWT)")
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f.dirListingLimit = cmdFiler.Flag.Int("dirListLimit", 1000, "limit sub dir listing size")
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f.dataCenter = cmdFiler.Flag.String("dataCenter", "", "prefer to write to volumes in this data center")
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}
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",
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Long: `start a file server which accepts REST operation for any files.
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//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.
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The example filer.toml configuration file can be generated by "weed scaffold filer"
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`,
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}
func runFiler(cmd *Command, args []string) bool {
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f.startFiler()
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return true
}
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func (fo *FilerOptions) startFiler() {
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defaultMux := http.NewServeMux()
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publicVolumeMux := defaultMux
if *fo.publicPort != 0 {
publicVolumeMux = http.NewServeMux()
}
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fs, nfs_err := weed_server.NewFilerServer(defaultMux, publicVolumeMux, &weed_server.FilerOption{
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Masters: strings.Split(*f.masters, ","),
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Collection: *fo.collection,
DefaultReplication: *fo.defaultReplicaPlacement,
RedirectOnRead: *fo.redirectOnRead,
DisableDirListing: *fo.disableDirListing,
MaxMB: *fo.maxMB,
SecretKey: *fo.secretKey,
DirListingLimit: *fo.dirListingLimit,
DataCenter: *fo.dataCenter,
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})
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if nfs_err != nil {
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glog.Fatalf("Filer startup error: %v", nfs_err)
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}
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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))
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filerListener, e := util.NewListener(
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":"+strconv.Itoa(*fo.port),
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time.Duration(10)*time.Second,
)
if e != nil {
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glog.Fatalf("Filer listener error: %v", e)
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}
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// starting grpc server
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grpcPort := *fo.grpcPort
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if grpcPort == 0 {
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grpcPort = *fo.port + 10000
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}
grpcL, err := util.NewListener(":"+strconv.Itoa(grpcPort), 0)
if err != nil {
glog.Fatalf("failed to listen on grpc port %d: %v", grpcPort, err)
}
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grpcS := util.NewGrpcServer()
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filer_pb.RegisterSeaweedFilerServer(grpcS, fs)
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reflection.Register(grpcS)
go grpcS.Serve(grpcL)
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httpS := &http.Server{Handler: defaultMux}
if err := httpS.Serve(filerListener); err != nil {
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glog.Fatalf("Filer Fail to serve: %v", e)
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}
}