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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 disableDirListing *bool secretKey *string cassandra_server *string cassandra_keyspace *string redis_server *string redis_database *int }
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") f.disableDirListing = cmdFiler.Flag.Bool("disableDirListing", false, "turn off directory listing") f.cassandra_server = cmdFiler.Flag.String("cassandra.server", "", "host[:port] of the cassandra server") f.cassandra_keyspace = cmdFiler.Flag.String("cassandra.keyspace", "seaweed", "keyspace of the cassandra server") f.redis_server = cmdFiler.Flag.String("redis.server", "", "host:port of the redis server, e.g., 127.0.0.1:6379") f.redis_database = cmdFiler.Flag.Int("redis.database", 0, "the database on the redis server") f.secretKey = cmdFiler.Flag.String("secure.secret", "", "secret to encrypt Json Web Token(JWT)")
}
var cmdFiler = &Command{ UsageLine: "filer -port=8888 -dir=/tmp -master=<ip:port>", 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 <fullpath~fileid> 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, *f.disableDirListing, *f.secretKey, *f.cassandra_server, *f.cassandra_keyspace, *f.redis_server, *f.redis_database, ) if nfs_err != nil { glog.Fatalf("Filer startup error: %v", nfs_err) } 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("Filer listener error: %v", e) } if e := http.Serve(filerListener, r); e != nil { glog.Fatalf("Filer Fail to serve: %v", e) }
return true }
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