package weed_server import ( "context" "fmt" "net/http" "os" "sync" "time" "github.com/seaweedfs/seaweedfs/weed/stats" "google.golang.org/grpc" "github.com/seaweedfs/seaweedfs/weed/util/grace" "github.com/seaweedfs/seaweedfs/weed/operation" "github.com/seaweedfs/seaweedfs/weed/pb" "github.com/seaweedfs/seaweedfs/weed/pb/filer_pb" "github.com/seaweedfs/seaweedfs/weed/pb/master_pb" "github.com/seaweedfs/seaweedfs/weed/util" "github.com/seaweedfs/seaweedfs/weed/filer" _ "github.com/seaweedfs/seaweedfs/weed/filer/arangodb" _ "github.com/seaweedfs/seaweedfs/weed/filer/cassandra" _ "github.com/seaweedfs/seaweedfs/weed/filer/elastic/v7" _ "github.com/seaweedfs/seaweedfs/weed/filer/etcd" _ "github.com/seaweedfs/seaweedfs/weed/filer/hbase" _ "github.com/seaweedfs/seaweedfs/weed/filer/leveldb" _ "github.com/seaweedfs/seaweedfs/weed/filer/leveldb2" _ "github.com/seaweedfs/seaweedfs/weed/filer/leveldb3" _ "github.com/seaweedfs/seaweedfs/weed/filer/mongodb" _ "github.com/seaweedfs/seaweedfs/weed/filer/mysql" _ "github.com/seaweedfs/seaweedfs/weed/filer/mysql2" _ "github.com/seaweedfs/seaweedfs/weed/filer/postgres" _ "github.com/seaweedfs/seaweedfs/weed/filer/postgres2" _ "github.com/seaweedfs/seaweedfs/weed/filer/redis" _ "github.com/seaweedfs/seaweedfs/weed/filer/redis2" _ "github.com/seaweedfs/seaweedfs/weed/filer/redis3" _ "github.com/seaweedfs/seaweedfs/weed/filer/sqlite" _ "github.com/seaweedfs/seaweedfs/weed/filer/ydb" "github.com/seaweedfs/seaweedfs/weed/glog" "github.com/seaweedfs/seaweedfs/weed/notification" _ "github.com/seaweedfs/seaweedfs/weed/notification/aws_sqs" _ "github.com/seaweedfs/seaweedfs/weed/notification/gocdk_pub_sub" _ "github.com/seaweedfs/seaweedfs/weed/notification/google_pub_sub" _ "github.com/seaweedfs/seaweedfs/weed/notification/kafka" _ "github.com/seaweedfs/seaweedfs/weed/notification/log" "github.com/seaweedfs/seaweedfs/weed/security" ) type FilerOption struct { Masters *pb.ServerDiscovery FilerGroup string Collection string DefaultReplication string DisableDirListing bool MaxMB int DirListingLimit int DataCenter string Rack string DataNode string DefaultLevelDbDir string DisableHttp bool Host pb.ServerAddress recursiveDelete bool Cipher bool SaveToFilerLimit int64 ConcurrentUploadLimit int64 ShowUIDirectoryDelete bool DownloadMaxBytesPs int64 DiskType string } type FilerServer struct { inFlightDataSize int64 inFlightDataLimitCond *sync.Cond filer_pb.UnimplementedSeaweedFilerServer option *FilerOption secret security.SigningKey filer *filer.Filer filerGuard *security.Guard grpcDialOption grpc.DialOption // metrics read from the master metricsAddress string metricsIntervalSec int // notifying clients listenersLock sync.Mutex listenersCond *sync.Cond // track known metadata listeners knownListenersLock sync.Mutex knownListeners map[int32]int32 } func NewFilerServer(defaultMux, readonlyMux *http.ServeMux, option *FilerOption) (fs *FilerServer, err error) { v := util.GetViper() signingKey := v.GetString("jwt.filer_signing.key") v.SetDefault("jwt.filer_signing.expires_after_seconds", 10) expiresAfterSec := v.GetInt("jwt.filer_signing.expires_after_seconds") readSigningKey := v.GetString("jwt.filer_signing.read.key") v.SetDefault("jwt.filer_signing.read.expires_after_seconds", 60) readExpiresAfterSec := v.GetInt("jwt.filer_signing.read.expires_after_seconds") fs = &FilerServer{ option: option, grpcDialOption: security.LoadClientTLS(util.GetViper(), "grpc.filer"), knownListeners: make(map[int32]int32), inFlightDataLimitCond: sync.NewCond(new(sync.Mutex)), } fs.listenersCond = sync.NewCond(&fs.listenersLock) option.Masters.RefreshBySrvIfAvailable() if len(option.Masters.GetInstances()) == 0 { glog.Fatal("master list is required!") } v.SetDefault("filer.options.max_file_name_length", 255) maxFilenameLength := v.GetUint32("filer.options.max_file_name_length") fs.filer = filer.NewFiler(*option.Masters, fs.grpcDialOption, option.Host, option.FilerGroup, option.Collection, option.DefaultReplication, option.DataCenter, maxFilenameLength, func() { fs.listenersCond.Broadcast() }) fs.filer.Cipher = option.Cipher // we do not support IP whitelist right now fs.filerGuard = security.NewGuard([]string{}, signingKey, expiresAfterSec, readSigningKey, readExpiresAfterSec) fs.checkWithMaster() go stats.LoopPushingMetric("filer", string(fs.option.Host), fs.metricsAddress, fs.metricsIntervalSec) go fs.filer.KeepMasterClientConnected() if !util.LoadConfiguration("filer", false) { v.SetDefault("leveldb2.enabled", true) v.SetDefault("leveldb2.dir", option.DefaultLevelDbDir) _, err := os.Stat(option.DefaultLevelDbDir) if os.IsNotExist(err) { os.MkdirAll(option.DefaultLevelDbDir, 0755) } glog.V(0).Infof("default to create filer store dir in %s", option.DefaultLevelDbDir) } else { glog.Warningf("skipping default store dir in %s", option.DefaultLevelDbDir) } util.LoadConfiguration("notification", false) fs.option.recursiveDelete = v.GetBool("filer.options.recursive_delete") v.SetDefault("filer.options.buckets_folder", "/buckets") fs.filer.DirBucketsPath = v.GetString("filer.options.buckets_folder") // TODO deprecated, will be be removed after 2020-12-31 // replaced by https://github.com/seaweedfs/seaweedfs/wiki/Path-Specific-Configuration // fs.filer.FsyncBuckets = v.GetStringSlice("filer.options.buckets_fsync") isFresh := fs.filer.LoadConfiguration(v) notification.LoadConfiguration(v, "notification.") handleStaticResources(defaultMux) if !option.DisableHttp { defaultMux.HandleFunc("/healthz", fs.filerHealthzHandler) defaultMux.HandleFunc("/", fs.filerHandler) } if defaultMux != readonlyMux { handleStaticResources(readonlyMux) readonlyMux.HandleFunc("/", fs.readonlyFilerHandler) } existingNodes := fs.filer.ListExistingPeerUpdates() startFromTime := time.Now().Add(-filer.LogFlushInterval) if isFresh { glog.V(0).Infof("%s bootstrap from peers %+v", option.Host, existingNodes) if err := fs.filer.MaybeBootstrapFromPeers(option.Host, existingNodes, startFromTime); err != nil { glog.Fatalf("%s bootstrap from %+v: %v", option.Host, existingNodes, err) } } fs.filer.AggregateFromPeers(option.Host, existingNodes, startFromTime) fs.filer.LoadFilerConf() fs.filer.LoadRemoteStorageConfAndMapping() grace.OnInterrupt(func() { fs.filer.Shutdown() }) fs.filer.Dlm.LockRing.SetTakeSnapshotCallback(fs.OnDlmChangeSnapshot) return fs, nil } func (fs *FilerServer) checkWithMaster() { isConnected := false for !isConnected { fs.option.Masters.RefreshBySrvIfAvailable() for _, master := range fs.option.Masters.GetInstances() { readErr := operation.WithMasterServerClient(false, master, fs.grpcDialOption, func(masterClient master_pb.SeaweedClient) error { resp, err := masterClient.GetMasterConfiguration(context.Background(), &master_pb.GetMasterConfigurationRequest{}) if err != nil { return fmt.Errorf("get master %s configuration: %v", master, err) } fs.metricsAddress, fs.metricsIntervalSec = resp.MetricsAddress, int(resp.MetricsIntervalSeconds) return nil }) if readErr == nil { isConnected = true } else { time.Sleep(7 * time.Second) } } } }