seaweedfs/weed/command/filer.go

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package command
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import (
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"fmt"
"net"
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"net/http"
"os"
"runtime"
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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"
weed_server "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 (
f FilerOptions
filerStartS3 *bool
filerS3Options S3Options
filerStartWebDav *bool
filerWebDavOptions WebDavOption
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filerStartIam *bool
filerIamOptions IamOptions
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)
type FilerOptions struct {
masters map[string]pb.ServerAddress
mastersString *string
ip *string
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bindIp *string
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port *int
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portGrpc *int
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publicPort *int
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filerGroup *string
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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
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metricsHttpPort *int
saveToFilerLimit *int
defaultLevelDbDirectory *string
concurrentUploadLimitMB *int
debug *bool
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debugPort *int
localSocket *string
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}
func init() {
cmdFiler.Run = runFiler // break init cycle
f.mastersString = cmdFiler.Flag.String("master", "localhost:9333", "comma-separated master servers")
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f.filerGroup = cmdFiler.Flag.String("filerGroup", "", "share metadata with other filers in the same filerGroup")
f.collection = cmdFiler.Flag.String("collection", "", "all data will be stored in this default collection")
f.ip = cmdFiler.Flag.String("ip", util.DetectedHostAddress(), "filer server http listen ip address")
f.bindIp = cmdFiler.Flag.String("ip.bind", "", "ip address to bind to. If empty, default to same as -ip option.")
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f.port = cmdFiler.Flag.Int("port", 8888, "filer server http listen port")
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f.portGrpc = cmdFiler.Flag.Int("port.grpc", 0, "filer server grpc 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")
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f.maxMB = cmdFiler.Flag.Int("maxMB", 4, "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")
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f.metricsHttpPort = cmdFiler.Flag.Int("metricsPort", 0, "Prometheus metrics listen port")
f.saveToFilerLimit = cmdFiler.Flag.Int("saveToFilerLimit", 0, "files smaller than this limit will be saved in filer store")
f.defaultLevelDbDirectory = cmdFiler.Flag.String("defaultStoreDir", ".", "if filer.toml is empty, use an embedded filer store in the directory")
f.concurrentUploadLimitMB = cmdFiler.Flag.Int("concurrentUploadLimitMB", 128, "limit total concurrent upload size")
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f.debug = cmdFiler.Flag.Bool("debug", false, "serves runtime profiling data, e.g., http://localhost:<debug.port>/debug/pprof/goroutine?debug=2")
f.debugPort = cmdFiler.Flag.Int("debug.port", 6060, "http port for debugging")
f.localSocket = cmdFiler.Flag.String("localSocket", "", "default to /tmp/seaweedfs-filer-<port>.sock")
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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")
filerS3Options.portGrpc = cmdFiler.Flag.Int("s3.port.grpc", 0, "s3 server grpc 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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filerS3Options.auditLogConfig = cmdFiler.Flag.String("s3.auditLogConfig", "", "path to the audit log config file")
filerS3Options.allowEmptyFolder = cmdFiler.Flag.Bool("s3.allowEmptyFolder", true, "allow empty folders")
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filerS3Options.allowDeleteBucketNotEmpty = cmdFiler.Flag.Bool("s3.allowDeleteBucketNotEmpty", true, "allow recursive deleting all entries along with bucket")
// start webdav on filer
filerStartWebDav = cmdFiler.Flag.Bool("webdav", false, "whether to start webdav gateway")
filerWebDavOptions.port = cmdFiler.Flag.Int("webdav.port", 7333, "webdav server http listen port")
filerWebDavOptions.collection = cmdFiler.Flag.String("webdav.collection", "", "collection to create the files")
filerWebDavOptions.replication = cmdFiler.Flag.String("webdav.replication", "", "replication to create the files")
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filerWebDavOptions.disk = cmdFiler.Flag.String("webdav.disk", "", "[hdd|ssd|<tag>] hard drive or solid state drive or any tag")
filerWebDavOptions.tlsPrivateKey = cmdFiler.Flag.String("webdav.key.file", "", "path to the TLS private key file")
filerWebDavOptions.tlsCertificate = cmdFiler.Flag.String("webdav.cert.file", "", "path to the TLS certificate file")
filerWebDavOptions.cacheDir = cmdFiler.Flag.String("webdav.cacheDir", os.TempDir(), "local cache directory for file chunks")
filerWebDavOptions.cacheSizeMB = cmdFiler.Flag.Int64("webdav.cacheCapacityMB", 0, "local cache capacity in MB")
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// start iam on filer
filerStartIam = cmdFiler.Flag.Bool("iam", false, "whether to start IAM service")
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filerIamOptions.ip = cmdFiler.Flag.String("iam.ip", *f.ip, "iam server http listen ip address")
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filerIamOptions.port = cmdFiler.Flag.Int("iam.port", 8111, "iam server http listen port")
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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.
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If the "filer.toml" is not found, an embedded filer store will be created 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 {
if *f.debug {
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go http.ListenAndServe(fmt.Sprintf(":%d", *f.debugPort), nil)
}
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util.LoadConfiguration("security", false)
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go stats_collect.StartMetricsServer(*f.metricsHttpPort)
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filerAddress := util.JoinHostPort(*f.ip, *f.port)
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startDelay := time.Duration(2)
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if *filerStartS3 {
filerS3Options.filer = &filerAddress
filerS3Options.bindIp = f.bindIp
filerS3Options.localFilerSocket = f.localSocket
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go func() {
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time.Sleep(startDelay * time.Second)
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filerS3Options.startS3Server()
}()
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startDelay++
} else {
*f.localSocket = ""
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}
if *filerStartWebDav {
filerWebDavOptions.filer = &filerAddress
go func() {
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time.Sleep(startDelay * time.Second)
filerWebDavOptions.startWebDav()
}()
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startDelay++
}
if *filerStartIam {
filerIamOptions.filer = &filerAddress
filerIamOptions.masters = f.mastersString
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go func() {
time.Sleep(startDelay * time.Second)
filerIamOptions.startIamServer()
}()
}
f.masters = pb.ServerAddresses(*f.mastersString).ToAddressMap()
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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()
}
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if *fo.portGrpc == 0 {
*fo.portGrpc = 10000 + *fo.port
}
if *fo.bindIp == "" {
*fo.bindIp = *fo.ip
}
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defaultLevelDbDirectory := util.ResolvePath(*fo.defaultLevelDbDirectory + "/filerldb2")
filerAddress := pb.NewServerAddress(*fo.ip, *fo.port, *fo.portGrpc)
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fs, nfs_err := weed_server.NewFilerServer(defaultMux, publicVolumeMux, &weed_server.FilerOption{
Masters: fo.masters,
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FilerGroup: *fo.filerGroup,
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: filerAddress,
Cipher: *fo.cipher,
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SaveToFilerLimit: int64(*fo.saveToFilerLimit),
ConcurrentUploadLimit: int64(*fo.concurrentUploadLimitMB) * 1024 * 1024,
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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 := util.JoinHostPort(*fo.bindIp, *fo.publicPort)
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glog.V(0).Infoln("Start Seaweed filer server", util.Version(), "public at", publicListeningAddress)
publicListener, localPublicListner, e := util.NewIpAndLocalListeners(*fo.bindIp, *fo.publicPort, 0)
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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)
}
}()
if localPublicListner != nil {
go func() {
if e := http.Serve(localPublicListner, publicVolumeMux); e != nil {
glog.Errorf("Volume server fail to serve public: %v", e)
}
}()
}
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}
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glog.V(0).Infof("Start Seaweed Filer %s at %s:%d", util.Version(), *fo.ip, *fo.port)
filerListener, filerLocalListener, e := util.NewIpAndLocalListeners(
*fo.bindIp, *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
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grpcPort := *fo.portGrpc
grpcL, grpcLocalL, err := util.NewIpAndLocalListeners(*fo.bindIp, 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)
if grpcLocalL != nil {
go grpcS.Serve(grpcLocalL)
}
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go grpcS.Serve(grpcL)
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httpS := &http.Server{Handler: defaultMux}
if runtime.GOOS != "windows" {
if *fo.localSocket == "" {
*fo.localSocket = fmt.Sprintf("/tmp/seaweefs-filer-%d.sock", *fo.port)
if err := os.Remove(*fo.localSocket); err != nil && !os.IsNotExist(err) {
glog.Fatalf("Failed to remove %s, error: %s", *fo.localSocket, err.Error())
}
}
go func() {
// start on local unix socket
filerSocketListener, err := net.Listen("unix", *fo.localSocket)
if err != nil {
glog.Fatalf("Failed to listen on %s: %v", *fo.localSocket, err)
}
httpS.Serve(filerSocketListener)
}()
}
if filerLocalListener != nil {
go func() {
if err := httpS.Serve(filerLocalListener); err != nil {
glog.Errorf("Filer Fail to serve: %v", e)
}
}()
}
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if err := httpS.Serve(filerListener); err != nil {
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glog.Fatalf("Filer Fail to serve: %v", e)
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}
}