package weed_server import ( "context" "fmt" "net/http" "os" "sync" "time" "google.golang.org/grpc" "github.com/chrislusf/seaweedfs/weed/operation" "github.com/chrislusf/seaweedfs/weed/pb" "github.com/chrislusf/seaweedfs/weed/pb/filer_pb" "github.com/chrislusf/seaweedfs/weed/pb/master_pb" "github.com/chrislusf/seaweedfs/weed/stats" "github.com/chrislusf/seaweedfs/weed/util" "github.com/chrislusf/seaweedfs/weed/filer2" _ "github.com/chrislusf/seaweedfs/weed/filer2/cassandra" _ "github.com/chrislusf/seaweedfs/weed/filer2/etcd" _ "github.com/chrislusf/seaweedfs/weed/filer2/leveldb" _ "github.com/chrislusf/seaweedfs/weed/filer2/leveldb2" _ "github.com/chrislusf/seaweedfs/weed/filer2/mysql" _ "github.com/chrislusf/seaweedfs/weed/filer2/postgres" _ "github.com/chrislusf/seaweedfs/weed/filer2/redis" "github.com/chrislusf/seaweedfs/weed/glog" "github.com/chrislusf/seaweedfs/weed/notification" _ "github.com/chrislusf/seaweedfs/weed/notification/aws_sqs" _ "github.com/chrislusf/seaweedfs/weed/notification/gocdk_pub_sub" _ "github.com/chrislusf/seaweedfs/weed/notification/google_pub_sub" _ "github.com/chrislusf/seaweedfs/weed/notification/kafka" _ "github.com/chrislusf/seaweedfs/weed/notification/log" "github.com/chrislusf/seaweedfs/weed/security" ) type FilerOption struct { Masters []string Collection string DefaultReplication string DisableDirListing bool MaxMB int DirListingLimit int DataCenter string DefaultLevelDbDir string DisableHttp bool Port uint32 recursiveDelete bool Cipher bool } type FilerServer struct { option *FilerOption secret security.SigningKey filer *filer2.Filer grpcDialOption grpc.DialOption // notifying clients clientChansLock sync.RWMutex clientChans map[string]chan *filer_pb.FullEventNotification } func NewFilerServer(defaultMux, readonlyMux *http.ServeMux, option *FilerOption) (fs *FilerServer, err error) { fs = &FilerServer{ option: option, grpcDialOption: security.LoadClientTLS(util.GetViper(), "grpc.filer"), } if len(option.Masters) == 0 { glog.Fatal("master list is required!") } fs.filer = filer2.NewFiler(option.Masters, fs.grpcDialOption, option.Port+10000) fs.filer.Cipher = option.Cipher maybeStartMetrics(fs, option) go fs.filer.KeepConnectedToMaster() v := util.GetViper() if !util.LoadConfiguration("filer", false) { v.Set("leveldb2.enabled", true) v.Set("leveldb2.dir", option.DefaultLevelDbDir) _, err := os.Stat(option.DefaultLevelDbDir) if os.IsNotExist(err) { os.MkdirAll(option.DefaultLevelDbDir, 0755) } } util.LoadConfiguration("notification", false) fs.option.recursiveDelete = v.GetBool("filer.options.recursive_delete") v.Set("filer.option.buckets_folder", "/buckets") v.Set("filer.option.queues_folder", "/queues") fs.filer.DirBucketsPath = v.GetString("filer.option.buckets_folder") fs.filer.DirQueuesPath = v.GetString("filer.option.queues_folder") fs.filer.LoadConfiguration(v) notification.LoadConfiguration(v, "notification.") handleStaticResources(defaultMux) if !option.DisableHttp { defaultMux.HandleFunc("/", fs.filerHandler) } if defaultMux != readonlyMux { readonlyMux.HandleFunc("/", fs.readonlyFilerHandler) } fs.filer.LoadBuckets(fs.filer.DirBucketsPath) util.OnInterrupt(func() { fs.filer.Shutdown() }) return fs, nil } func maybeStartMetrics(fs *FilerServer, option *FilerOption) { for _, master := range option.Masters { _, err := pb.ParseFilerGrpcAddress(master) if err != nil { glog.Fatalf("invalid master address %s: %v", master, err) } } isConnected := false var metricsAddress string var metricsIntervalSec int var readErr error for !isConnected { for _, master := range option.Masters { metricsAddress, metricsIntervalSec, readErr = readFilerConfiguration(fs.grpcDialOption, master) if readErr == nil { isConnected = true } else { time.Sleep(7 * time.Second) } } } if metricsAddress == "" && metricsIntervalSec <= 0 { return } go stats.LoopPushingMetric("filer", stats.SourceName(option.Port), stats.FilerGather, func() (addr string, intervalSeconds int) { return metricsAddress, metricsIntervalSec }) } func readFilerConfiguration(grpcDialOption grpc.DialOption, masterAddress string) (metricsAddress string, metricsIntervalSec int, err error) { err = operation.WithMasterServerClient(masterAddress, 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", masterAddress, err) } metricsAddress, metricsIntervalSec = resp.MetricsAddress, int(resp.MetricsIntervalSeconds) return nil }) return }