seaweedfs/weed/command/filer.go

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package command
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import (
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"fmt"
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"net/http"
"strconv"
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"strings"
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"time"
"google.golang.org/grpc/reflection"
"github.com/chrislusf/seaweedfs/weed/glog"
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"github.com/chrislusf/seaweedfs/weed/pb"
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"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
"github.com/chrislusf/seaweedfs/weed/security"
"github.com/chrislusf/seaweedfs/weed/server"
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stats_collect "github.com/chrislusf/seaweedfs/weed/stats"
"github.com/chrislusf/seaweedfs/weed/util"
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)
var (
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f FilerOptions
filerStartS3 *bool
filerS3Options S3Options
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)
type FilerOptions struct {
masters *string
ip *string
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bindIp *string
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port *int
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publicPort *int
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collection *string
defaultReplicaPlacement *string
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disableDirListing *bool
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maxMB *int
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dirListingLimit *int
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dataCenter *string
rack *string
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enableNotification *bool
disableHttp *bool
cipher *bool
peers *string
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metricsHttpPort *int
cacheToFilerLimit *int
defaultLevelDbDirectory *string
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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", util.DetectedHostAddress(), "filer server http listen ip address")
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f.bindIp = cmdFiler.Flag.String("ip.bind", "0.0.0.0", "ip address to bind to")
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f.port = cmdFiler.Flag.Int("port", 8888, "filer server http listen port")
f.publicPort = cmdFiler.Flag.Int("port.readonly", 0, "readonly port opened to public")
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f.defaultReplicaPlacement = cmdFiler.Flag.String("defaultReplicaPlacement", "", "default replication type. If not specified, use master setting.")
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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")
f.dirListingLimit = cmdFiler.Flag.Int("dirListLimit", 100000, "limit sub dir listing size")
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f.dataCenter = cmdFiler.Flag.String("dataCenter", "", "prefer to read and write to volumes in this data center")
f.rack = cmdFiler.Flag.String("rack", "", "prefer to write to volumes in this rack")
f.disableHttp = cmdFiler.Flag.Bool("disableHttp", false, "disable http request, only gRpc operations are allowed")
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f.cipher = cmdFiler.Flag.Bool("encryptVolumeData", false, "encrypt data on volume servers")
f.peers = cmdFiler.Flag.String("peers", "", "all filers sharing the same filer store in comma separated ip:port list")
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f.metricsHttpPort = cmdFiler.Flag.Int("metricsPort", 0, "Prometheus metrics listen port")
f.cacheToFilerLimit = cmdFiler.Flag.Int("cacheToFilerLimit", 0, "Small files smaller than this limit can be cached in filer store.")
f.defaultLevelDbDirectory = cmdFiler.Flag.String("defaultStoreDir", ".", "if filer.toml is empty, use an embedded filer store in the directory")
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// start s3 on filer
filerStartS3 = cmdFiler.Flag.Bool("s3", false, "whether to start S3 gateway")
filerS3Options.port = cmdFiler.Flag.Int("s3.port", 8333, "s3 server http listen port")
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filerS3Options.domainName = cmdFiler.Flag.String("s3.domainName", "", "suffix of the host name in comma separated list, {bucket}.{domainName}")
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filerS3Options.tlsPrivateKey = cmdFiler.Flag.String("s3.key.file", "", "path to the TLS private key file")
filerS3Options.tlsCertificate = cmdFiler.Flag.String("s3.cert.file", "", "path to the TLS certificate file")
filerS3Options.config = cmdFiler.Flag.String("s3.config", "", "path to the config file")
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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/", "/usr/local/etc/seaweedfs/", or "/etc/seaweedfs/", in that order.
If the "filer.toml" is not found, an embedded filer store will be craeted under "-defaultStoreDir".
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The example filer.toml configuration file can be generated by "weed scaffold -config=filer"
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`,
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}
func runFiler(cmd *Command, args []string) bool {
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util.LoadConfiguration("security", false)
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go stats_collect.StartMetricsServer(*f.metricsHttpPort)
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if *filerStartS3 {
filerAddress := fmt.Sprintf("%s:%d", *f.ip, *f.port)
filerS3Options.filer = &filerAddress
go func() {
time.Sleep(2 * time.Second)
filerS3Options.startS3Server()
}()
}
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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()
}
defaultLevelDbDirectory := util.ResolvePath(*fo.defaultLevelDbDirectory + "/filerldb2")
var peers []string
if *fo.peers != "" {
peers = strings.Split(*fo.peers, ",")
}
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fs, nfs_err := weed_server.NewFilerServer(defaultMux, publicVolumeMux, &weed_server.FilerOption{
Masters: strings.Split(*fo.masters, ","),
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Collection: *fo.collection,
DefaultReplication: *fo.defaultReplicaPlacement,
DisableDirListing: *fo.disableDirListing,
MaxMB: *fo.maxMB,
DirListingLimit: *fo.dirListingLimit,
DataCenter: *fo.dataCenter,
Rack: *fo.rack,
DefaultLevelDbDir: defaultLevelDbDirectory,
DisableHttp: *fo.disableHttp,
Host: *fo.ip,
Port: uint32(*fo.port),
Cipher: *fo.cipher,
CacheToFilerLimit: int64(*fo.cacheToFilerLimit),
Filers: peers,
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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 {
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publicListeningAddress := *fo.bindIp + ":" + strconv.Itoa(*fo.publicPort)
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glog.V(0).Infoln("Start Seaweed filer server", util.Version(), "public at", publicListeningAddress)
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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)
}
}()
}
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glog.V(0).Infof("Start Seaweed Filer %s at %s:%d", util.Version(), *fo.ip, *fo.port)
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filerListener, e := util.NewListener(
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*fo.bindIp+":"+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
grpcPort := *fo.port + 10000
grpcL, err := util.NewListener(*fo.bindIp+":"+strconv.Itoa(grpcPort), 0)
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if err != nil {
glog.Fatalf("failed to listen on grpc port %d: %v", grpcPort, err)
}
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grpcS := pb.NewGrpcServer(security.LoadServerTLS(util.GetViper(), "grpc.filer"))
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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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}
}