package main import ( "net/http" "os" "strconv" "time" "github.com/chrislusf/weed-fs/go/glog" "github.com/chrislusf/weed-fs/go/util" "github.com/chrislusf/weed-fs/go/weed/weed_server" ) var ( f FilerOptions ) type FilerOptions struct { master *string port *int collection *string defaultReplicaPlacement *string dir *string redirectOnRead *bool } func init() { cmdFiler.Run = runFiler // break init cycle f.master = cmdFiler.Flag.String("master", "localhost:9333", "master server location") f.collection = cmdFiler.Flag.String("collection", "", "all data will be stored in this collection") f.port = cmdFiler.Flag.Int("port", 8888, "filer server http listen port") f.dir = cmdFiler.Flag.String("dir", os.TempDir(), "directory to store meta data") 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") } var cmdFiler = &Command{ UsageLine: "filer -port=8888 -dir=/tmp -master=", Short: "start a file server that points to a master server", 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/ Current mapping metadata store is local embedded leveldb. It should be highly scalable to hundreds of millions of files on a modest machine. Future we will ensure it can avoid of being SPOF. `, } func runFiler(cmd *Command, args []string) bool { if err := util.TestFolderWritable(*f.dir); err != nil { glog.Fatalf("Check Meta Folder (-dir) Writable %s : %s", *f.dir, err) } r := http.NewServeMux() _, nfs_err := weed_server.NewFilerServer(r, *f.port, *f.master, *f.dir, *f.collection, *f.defaultReplicaPlacement, *f.redirectOnRead, ) if nfs_err != nil { glog.Fatalf(nfs_err.Error()) } glog.V(0).Infoln("Start Seaweed Filer", util.VERSION, "at port", strconv.Itoa(*f.port)) filerListener, e := util.NewListener( ":"+strconv.Itoa(*f.port), time.Duration(10)*time.Second, ) if e != nil { glog.Fatalf(e.Error()) } if e := http.Serve(filerListener, r); e != nil { glog.Fatalf("Filer Fail to serve:%s", e.Error()) } return true }