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85 lines
2.6 KiB
85 lines
2.6 KiB
package main
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import (
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"net/http"
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"os"
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"strconv"
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"time"
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"github.com/chrislusf/weed-fs/go/glog"
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"github.com/chrislusf/weed-fs/go/util"
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"github.com/chrislusf/weed-fs/go/weed/weed_server"
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)
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var (
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f FilerOptions
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)
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type FilerOptions struct {
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master *string
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port *int
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collection *string
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defaultReplicaPlacement *string
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dir *string
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redirectOnRead *bool
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}
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func init() {
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cmdFiler.Run = runFiler // break init cycle
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f.master = cmdFiler.Flag.String("master", "localhost:9333", "master server location")
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f.collection = cmdFiler.Flag.String("collection", "", "all data will be stored in this collection")
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f.port = cmdFiler.Flag.Int("port", 8888, "filer server http listen port")
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f.dir = cmdFiler.Flag.String("dir", os.TempDir(), "directory to store meta data")
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f.defaultReplicaPlacement = cmdFiler.Flag.String("defaultReplicaPlacement", "000", "default replication type if not specified")
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f.redirectOnRead = cmdFiler.Flag.Bool("redirectOnRead", false, "whether proxy or redirect to volume server during file GET request")
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}
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var cmdFiler = &Command{
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UsageLine: "filer -port=8888 -dir=/tmp -master=<ip:port>",
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Short: "start a file server that points to a master server",
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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
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POST /path/to/file
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//get the file content
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GET /path/to/file
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//create or overwrite the file, the filename in the multipart request will be used
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POST /path/to/
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//return a json format subdirectory and files listing
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GET /path/to/
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Current <fullpath~fileid> mapping metadata store is local embedded leveldb.
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It should be highly scalable to hundreds of millions of files on a modest machine.
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Future we will ensure it can avoid of being SPOF.
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`,
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}
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func runFiler(cmd *Command, args []string) bool {
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if err := util.TestFolderWritable(*f.dir); err != nil {
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glog.Fatalf("Check Meta Folder (-dir) Writable %s : %s", *f.dir, err)
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}
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r := http.NewServeMux()
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_, nfs_err := weed_server.NewFilerServer(r, *f.port, *f.master, *f.dir, *f.collection,
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*f.defaultReplicaPlacement, *f.redirectOnRead,
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)
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if nfs_err != nil {
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glog.Fatalf(nfs_err.Error())
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}
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glog.V(0).Infoln("Start Seaweed Filer", util.VERSION, "at port", strconv.Itoa(*f.port))
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filerListener, e := util.NewListener(
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":"+strconv.Itoa(*f.port),
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time.Duration(10)*time.Second,
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)
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if e != nil {
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glog.Fatalf(e.Error())
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}
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if e := http.Serve(filerListener, r); e != nil {
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glog.Fatalf("Filer Fail to serve:%s", e.Error())
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}
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return true
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}
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