seaweedfs/weed/server/filer_server.go

188 lines
5.8 KiB
Go

package weed_server
import (
"context"
"fmt"
"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
"net/http"
"os"
"sync"
"time"
"github.com/chrislusf/seaweedfs/weed/stats"
"google.golang.org/grpc"
"github.com/chrislusf/seaweedfs/weed/util/grace"
"github.com/chrislusf/seaweedfs/weed/operation"
"github.com/chrislusf/seaweedfs/weed/pb"
"github.com/chrislusf/seaweedfs/weed/pb/master_pb"
"github.com/chrislusf/seaweedfs/weed/util"
"github.com/chrislusf/seaweedfs/weed/filer"
_ "github.com/chrislusf/seaweedfs/weed/filer/cassandra"
_ "github.com/chrislusf/seaweedfs/weed/filer/elastic/v7"
_ "github.com/chrislusf/seaweedfs/weed/filer/etcd"
_ "github.com/chrislusf/seaweedfs/weed/filer/hbase"
_ "github.com/chrislusf/seaweedfs/weed/filer/leveldb"
_ "github.com/chrislusf/seaweedfs/weed/filer/leveldb2"
_ "github.com/chrislusf/seaweedfs/weed/filer/leveldb3"
_ "github.com/chrislusf/seaweedfs/weed/filer/mongodb"
_ "github.com/chrislusf/seaweedfs/weed/filer/mysql"
_ "github.com/chrislusf/seaweedfs/weed/filer/mysql2"
_ "github.com/chrislusf/seaweedfs/weed/filer/postgres"
_ "github.com/chrislusf/seaweedfs/weed/filer/postgres2"
_ "github.com/chrislusf/seaweedfs/weed/filer/redis"
_ "github.com/chrislusf/seaweedfs/weed/filer/redis2"
_ "github.com/chrislusf/seaweedfs/weed/filer/redis3"
_ "github.com/chrislusf/seaweedfs/weed/filer/sqlite"
"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 []pb.ServerAddress
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
}
type FilerServer struct {
filer_pb.UnimplementedSeaweedFilerServer
option *FilerOption
secret security.SigningKey
filer *filer.Filer
grpcDialOption grpc.DialOption
// metrics read from the master
metricsAddress string
metricsIntervalSec int
// notifying clients
listenersLock sync.Mutex
listenersCond *sync.Cond
brokers map[string]map[string]bool
brokersLock sync.Mutex
inFlightDataSize int64
inFlightDataLimitCond *sync.Cond
}
func NewFilerServer(defaultMux, readonlyMux *http.ServeMux, option *FilerOption) (fs *FilerServer, err error) {
fs = &FilerServer{
option: option,
grpcDialOption: security.LoadClientTLS(util.GetViper(), "grpc.filer"),
brokers: make(map[string]map[string]bool),
inFlightDataLimitCond: sync.NewCond(new(sync.Mutex)),
}
fs.listenersCond = sync.NewCond(&fs.listenersLock)
if len(option.Masters) == 0 {
glog.Fatal("master list is required!")
}
fs.filer = filer.NewFiler(option.Masters, fs.grpcDialOption, option.Host, option.Collection, option.DefaultReplication, option.DataCenter, func() {
fs.listenersCond.Broadcast()
})
fs.filer.Cipher = option.Cipher
fs.checkWithMaster()
go stats.LoopPushingMetric("filer", string(fs.option.Host), fs.metricsAddress, fs.metricsIntervalSec)
go fs.filer.KeepMasterClientConnected()
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)
}
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/chrislusf/seaweedfs/wiki/Path-Specific-Configuration
// fs.filer.FsyncBuckets = v.GetStringSlice("filer.options.buckets_fsync")
fs.filer.LoadConfiguration(v)
notification.LoadConfiguration(v, "notification.")
handleStaticResources(defaultMux)
if !option.DisableHttp {
defaultMux.HandleFunc("/", fs.filerHandler)
}
if defaultMux != readonlyMux {
handleStaticResources(readonlyMux)
readonlyMux.HandleFunc("/", fs.readonlyFilerHandler)
}
fs.filer.AggregateFromPeers(option.Host)
fs.filer.LoadBuckets()
fs.filer.LoadFilerConf()
fs.filer.LoadRemoteStorageConfAndMapping()
grace.OnInterrupt(func() {
fs.filer.Shutdown()
})
return fs, nil
}
func (fs *FilerServer) checkWithMaster() {
isConnected := false
for !isConnected {
for _, master := range fs.option.Masters {
readErr := operation.WithMasterServerClient(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)
if fs.option.DefaultReplication == "" {
fs.option.DefaultReplication = resp.DefaultReplication
}
return nil
})
if readErr == nil {
isConnected = true
} else {
time.Sleep(7 * time.Second)
}
}
}
}