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package command
import (
"context"
"fmt"
"net/http"
"os"
"os/user"
"strconv"
"time"
"github.com/seaweedfs/seaweedfs/weed/glog"
"github.com/seaweedfs/seaweedfs/weed/pb"
"github.com/seaweedfs/seaweedfs/weed/pb/filer_pb"
"github.com/seaweedfs/seaweedfs/weed/security"
weed_server "github.com/seaweedfs/seaweedfs/weed/server"
"github.com/seaweedfs/seaweedfs/weed/util"
)
var (
webDavStandaloneOptions WebDavOption
)
type WebDavOption struct {
filer *string
ipBind *string
filerRootPath *string
port *int
collection *string
replication *string
disk *string
tlsPrivateKey *string
tlsCertificate *string
cacheDir *string
cacheSizeMB *int64
maxMB *int
}
func init() {
cmdWebDav.Run = runWebDav // break init cycle
webDavStandaloneOptions.filer = cmdWebDav.Flag.String("filer", "localhost:8888", "filer server address")
webDavStandaloneOptions.ipBind = cmdWebDav.Flag.String("ip.bind", "", "ip address to bind to. Default listen to all.")
webDavStandaloneOptions.port = cmdWebDav.Flag.Int("port", 7333, "webdav server http listen port")
webDavStandaloneOptions.collection = cmdWebDav.Flag.String("collection", "", "collection to create the files")
webDavStandaloneOptions.replication = cmdWebDav.Flag.String("replication", "", "replication to create the files")
webDavStandaloneOptions.disk = cmdWebDav.Flag.String("disk", "", "[hdd|ssd|<tag>] hard drive or solid state drive or any tag")
webDavStandaloneOptions.tlsPrivateKey = cmdWebDav.Flag.String("key.file", "", "path to the TLS private key file")
webDavStandaloneOptions.tlsCertificate = cmdWebDav.Flag.String("cert.file", "", "path to the TLS certificate file")
webDavStandaloneOptions.cacheDir = cmdWebDav.Flag.String("cacheDir", os.TempDir(), "local cache directory for file chunks")
webDavStandaloneOptions.cacheSizeMB = cmdWebDav.Flag.Int64("cacheCapacityMB", 0, "local cache capacity in MB")
webDavStandaloneOptions.maxMB = cmdWebDav.Flag.Int("maxMB", 4, "split files larger than the limit")
webDavStandaloneOptions.filerRootPath = cmdWebDav.Flag.String("filer.path", "/", "use this remote path from filer server")
}
var cmdWebDav = &Command{
UsageLine: "webdav -port=7333 -filer=<ip:port>",
Short: "start a webdav server that is backed by a filer",
Long: `start a webdav server that is backed by a filer.
`,
}
func runWebDav(cmd *Command, args []string) bool {
util.LoadSecurityConfiguration()
listenAddress := fmt.Sprintf("%s:%d", *webDavStandaloneOptions.ipBind, *webDavStandaloneOptions.port)
glog.V(0).Infof("Starting Seaweed WebDav Server %s at %s", util.Version(), listenAddress)
return webDavStandaloneOptions.startWebDav()
}
func (wo *WebDavOption) startWebDav() bool {
// detect current user
uid, gid := uint32(0), uint32(0)
if u, err := user.Current(); err == nil {
if parsedId, pe := strconv.ParseUint(u.Uid, 10, 32); pe == nil {
uid = uint32(parsedId)
}
if parsedId, pe := strconv.ParseUint(u.Gid, 10, 32); pe == nil {
gid = uint32(parsedId)
}
}
// parse filer grpc address
filerAddress := pb.ServerAddress(*wo.filer)
grpcDialOption := security.LoadClientTLS(util.GetViper(), "grpc.client")
var cipher bool
// connect to filer
for {
err := pb.WithGrpcFilerClient(false, 0, filerAddress, grpcDialOption, func(client filer_pb.SeaweedFilerClient) error {
resp, err := client.GetFilerConfiguration(context.Background(), &filer_pb.GetFilerConfigurationRequest{})
if err != nil {
return fmt.Errorf("get filer %s configuration: %v", filerAddress, err)
}
cipher = resp.Cipher
return nil
})
if err != nil {
glog.V(0).Infof("wait to connect to filer %s grpc address %s", *wo.filer, filerAddress.ToGrpcAddress())
time.Sleep(time.Second)
} else {
glog.V(0).Infof("connected to filer %s grpc address %s", *wo.filer, filerAddress.ToGrpcAddress())
break
}
}
ws, webdavServer_err := weed_server.NewWebDavServer(&weed_server.WebDavOption{
Filer: filerAddress,
FilerRootPath: *wo.filerRootPath,
GrpcDialOption: grpcDialOption,
Collection: *wo.collection,
Replication: *wo.replication,
DiskType: *wo.disk,
Uid: uid,
Gid: gid,
Cipher: cipher,
CacheDir: util.ResolvePath(*wo.cacheDir),
CacheSizeMB: *wo.cacheSizeMB,
MaxMB: *wo.maxMB,
})
if webdavServer_err != nil {
glog.Fatalf("WebDav Server startup error: %v", webdavServer_err)
}
httpS := &http.Server{Handler: ws.Handler}
listenAddress := fmt.Sprintf("%s:%d", *wo.ipBind, *wo.port)
webDavListener, err := util.NewListener(listenAddress, time.Duration(10)*time.Second)
if err != nil {
glog.Fatalf("WebDav Server listener on %s error: %v", listenAddress, err)
}
if *wo.tlsPrivateKey != "" {
glog.V(0).Infof("Start Seaweed WebDav Server %s at https %s", util.Version(), listenAddress)
if err = httpS.ServeTLS(webDavListener, *wo.tlsCertificate, *wo.tlsPrivateKey); err != nil {
glog.Fatalf("WebDav Server Fail to serve: %v", err)
}
} else {
glog.V(0).Infof("Start Seaweed WebDav Server %s at http %s", util.Version(), listenAddress)
if err = httpS.Serve(webDavListener); err != nil {
glog.Fatalf("WebDav Server Fail to serve: %v", err)
}
}
return true
}
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