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283 lines
10 KiB
283 lines
10 KiB
package weed_server
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import (
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"context"
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"fmt"
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"net/http"
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"os"
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"strings"
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"sync"
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"sync/atomic"
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"time"
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"github.com/seaweedfs/seaweedfs/weed/stats"
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"golang.org/x/sync/singleflight"
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"google.golang.org/grpc"
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"github.com/seaweedfs/seaweedfs/weed/util/grace"
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"github.com/seaweedfs/seaweedfs/weed/operation"
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"github.com/seaweedfs/seaweedfs/weed/pb"
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"github.com/seaweedfs/seaweedfs/weed/pb/filer_pb"
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"github.com/seaweedfs/seaweedfs/weed/pb/master_pb"
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"github.com/seaweedfs/seaweedfs/weed/util"
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"github.com/seaweedfs/seaweedfs/weed/filer"
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_ "github.com/seaweedfs/seaweedfs/weed/filer/arangodb"
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_ "github.com/seaweedfs/seaweedfs/weed/filer/cassandra"
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_ "github.com/seaweedfs/seaweedfs/weed/filer/cassandra2"
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_ "github.com/seaweedfs/seaweedfs/weed/filer/elastic/v7"
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_ "github.com/seaweedfs/seaweedfs/weed/filer/etcd"
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_ "github.com/seaweedfs/seaweedfs/weed/filer/foundationdb"
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_ "github.com/seaweedfs/seaweedfs/weed/filer/hbase"
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_ "github.com/seaweedfs/seaweedfs/weed/filer/leveldb"
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_ "github.com/seaweedfs/seaweedfs/weed/filer/leveldb2"
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_ "github.com/seaweedfs/seaweedfs/weed/filer/leveldb3"
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_ "github.com/seaweedfs/seaweedfs/weed/filer/mongodb"
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_ "github.com/seaweedfs/seaweedfs/weed/filer/mysql"
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_ "github.com/seaweedfs/seaweedfs/weed/filer/mysql2"
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_ "github.com/seaweedfs/seaweedfs/weed/filer/postgres"
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_ "github.com/seaweedfs/seaweedfs/weed/filer/postgres2"
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_ "github.com/seaweedfs/seaweedfs/weed/filer/redis"
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_ "github.com/seaweedfs/seaweedfs/weed/filer/redis2"
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_ "github.com/seaweedfs/seaweedfs/weed/filer/redis3"
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_ "github.com/seaweedfs/seaweedfs/weed/filer/sqlite"
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_ "github.com/seaweedfs/seaweedfs/weed/filer/tarantool"
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_ "github.com/seaweedfs/seaweedfs/weed/filer/ydb"
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"github.com/seaweedfs/seaweedfs/weed/glog"
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"github.com/seaweedfs/seaweedfs/weed/notification"
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_ "github.com/seaweedfs/seaweedfs/weed/notification/aws_sqs"
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_ "github.com/seaweedfs/seaweedfs/weed/notification/gocdk_pub_sub"
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_ "github.com/seaweedfs/seaweedfs/weed/notification/google_pub_sub"
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_ "github.com/seaweedfs/seaweedfs/weed/notification/kafka"
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_ "github.com/seaweedfs/seaweedfs/weed/notification/log"
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_ "github.com/seaweedfs/seaweedfs/weed/notification/webhook"
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"github.com/seaweedfs/seaweedfs/weed/security"
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)
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type FilerOption struct {
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Masters *pb.ServerDiscovery
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FilerGroup string
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Collection string
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DefaultReplication 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
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Rack string
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DataNode string
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DefaultLevelDbDir string
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DisableHttp bool
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Host pb.ServerAddress
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recursiveDelete bool
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Cipher bool
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SaveToFilerLimit int64
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ConcurrentUploadLimit int64
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ConcurrentFileUploadLimit int64
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ShowUIDirectoryDelete bool
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DownloadMaxBytesPs int64
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DiskType string
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AllowedOrigins []string
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ExposeDirectoryData bool
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TusBasePath string
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}
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type FilerServer struct {
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inFlightDataSize int64
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inFlightUploads int64
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listenersWaits int64
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// notifying clients
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listenersLock sync.Mutex
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listenersCond *sync.Cond
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inFlightDataLimitCond *sync.Cond
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filer_pb.UnimplementedSeaweedFilerServer
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option *FilerOption
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secret security.SigningKey
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filer *filer.Filer
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filerGuard *security.Guard
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volumeGuard *security.Guard
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grpcDialOption grpc.DialOption
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// metrics read from the master
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metricsAddress string
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metricsIntervalSec int
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// track known metadata listeners
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knownListenersLock sync.Mutex
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knownListeners map[int32]int32
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// deduplicates concurrent remote object caching operations
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remoteCacheGroup singleflight.Group
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}
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func NewFilerServer(defaultMux, readonlyMux *http.ServeMux, option *FilerOption) (fs *FilerServer, err error) {
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v := util.GetViper()
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signingKey := v.GetString("jwt.filer_signing.key")
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v.SetDefault("jwt.filer_signing.expires_after_seconds", 10)
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expiresAfterSec := v.GetInt("jwt.filer_signing.expires_after_seconds")
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readSigningKey := v.GetString("jwt.filer_signing.read.key")
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v.SetDefault("jwt.filer_signing.read.expires_after_seconds", 60)
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readExpiresAfterSec := v.GetInt("jwt.filer_signing.read.expires_after_seconds")
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volumeSigningKey := v.GetString("jwt.signing.key")
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v.SetDefault("jwt.signing.expires_after_seconds", 10)
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volumeExpiresAfterSec := v.GetInt("jwt.signing.expires_after_seconds")
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volumeReadSigningKey := v.GetString("jwt.signing.read.key")
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v.SetDefault("jwt.signing.read.expires_after_seconds", 60)
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volumeReadExpiresAfterSec := v.GetInt("jwt.signing.read.expires_after_seconds")
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v.SetDefault("cors.allowed_origins.values", "*")
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allowedOrigins := v.GetString("cors.allowed_origins.values")
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domains := strings.Split(allowedOrigins, ",")
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option.AllowedOrigins = domains
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v.SetDefault("filer.expose_directory_metadata.enabled", true)
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returnDirMetadata := v.GetBool("filer.expose_directory_metadata.enabled")
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option.ExposeDirectoryData = returnDirMetadata
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fs = &FilerServer{
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option: option,
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grpcDialOption: security.LoadClientTLS(util.GetViper(), "grpc.filer"),
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knownListeners: make(map[int32]int32),
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inFlightDataLimitCond: sync.NewCond(new(sync.Mutex)),
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}
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fs.listenersCond = sync.NewCond(&fs.listenersLock)
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option.Masters.RefreshBySrvIfAvailable()
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if len(option.Masters.GetInstances()) == 0 {
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glog.Fatal("master list is required!")
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}
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if !util.LoadConfiguration("filer", false) {
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v.SetDefault("leveldb2.enabled", true)
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v.SetDefault("leveldb2.dir", option.DefaultLevelDbDir)
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_, err := os.Stat(option.DefaultLevelDbDir)
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if os.IsNotExist(err) {
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os.MkdirAll(option.DefaultLevelDbDir, 0755)
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}
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glog.V(0).Infof("default to create filer store dir in %s", option.DefaultLevelDbDir)
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} else {
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glog.Warningf("skipping default store dir in %s", option.DefaultLevelDbDir)
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}
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util.LoadConfiguration("notification", false)
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v.SetDefault("filer.options.max_file_name_length", 255)
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maxFilenameLength := v.GetUint32("filer.options.max_file_name_length")
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glog.V(0).Infof("max_file_name_length %d", maxFilenameLength)
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fs.filer = filer.NewFiler(*option.Masters, fs.grpcDialOption, option.Host, option.FilerGroup, option.Collection, option.DefaultReplication, option.DataCenter, maxFilenameLength, func() {
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if atomic.LoadInt64(&fs.listenersWaits) > 0 {
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fs.listenersCond.Broadcast()
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}
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})
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fs.filer.Cipher = option.Cipher
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// we do not support IP whitelist right now https://github.com/seaweedfs/seaweedfs/issues/7094
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if v.GetString("guard.white_list") != "" {
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glog.Warningf("filer: guard.white_list is configured but the IP whitelist feature is currently disabled. See https://github.com/seaweedfs/seaweedfs/issues/7094")
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}
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fs.filerGuard = security.NewGuard([]string{}, signingKey, expiresAfterSec, readSigningKey, readExpiresAfterSec)
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fs.volumeGuard = security.NewGuard([]string{}, volumeSigningKey, volumeExpiresAfterSec, volumeReadSigningKey, volumeReadExpiresAfterSec)
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fs.checkWithMaster()
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go stats.LoopPushingMetric("filer", string(fs.option.Host), fs.metricsAddress, fs.metricsIntervalSec)
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go fs.filer.MasterClient.KeepConnectedToMaster(context.Background())
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fs.option.recursiveDelete = v.GetBool("filer.options.recursive_delete")
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v.SetDefault("filer.options.buckets_folder", "/buckets")
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fs.filer.DirBucketsPath = v.GetString("filer.options.buckets_folder")
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// TODO deprecated, will be removed after 2020-12-31
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// replaced by https://github.com/seaweedfs/seaweedfs/wiki/Path-Specific-Configuration
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// fs.filer.FsyncBuckets = v.GetStringSlice("filer.options.buckets_fsync")
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isFresh := fs.filer.LoadConfiguration(v)
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notification.LoadConfiguration(v, "notification.")
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handleStaticResources(defaultMux)
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if !option.DisableHttp {
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defaultMux.HandleFunc("/healthz", requestIDMiddleware(fs.filerHealthzHandler))
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// TUS resumable upload protocol handler
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if option.TusBasePath != "" {
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// Normalize TusPath to always have a leading slash and no trailing slash
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if !strings.HasPrefix(option.TusBasePath, "/") {
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option.TusBasePath = "/" + option.TusBasePath
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}
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option.TusBasePath = strings.TrimRight(option.TusBasePath, "/")
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// Disallow using "/" as TUS base to avoid hijacking all filer routes
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if option.TusBasePath == "" {
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glog.Warningf("Invalid TUS base path; TUS disabled (must not be root '/')")
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} else {
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handlePath := option.TusBasePath + "/"
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defaultMux.HandleFunc(handlePath, fs.filerGuard.WhiteList(requestIDMiddleware(fs.tusHandler)))
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// Start background cleanup of expired TUS sessions (every hour)
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fs.StartTusSessionCleanup(1 * time.Hour)
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}
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}
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defaultMux.HandleFunc("/", fs.filerGuard.WhiteList(requestIDMiddleware(fs.filerHandler)))
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}
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if defaultMux != readonlyMux {
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handleStaticResources(readonlyMux)
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readonlyMux.HandleFunc("/healthz", requestIDMiddleware(fs.filerHealthzHandler))
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readonlyMux.HandleFunc("/", fs.filerGuard.WhiteList(requestIDMiddleware(fs.readonlyFilerHandler)))
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}
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existingNodes := fs.filer.ListExistingPeerUpdates(context.Background())
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startFromTime := time.Now().Add(-filer.LogFlushInterval)
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if isFresh {
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glog.V(0).Infof("%s bootstrap from peers %+v", option.Host, existingNodes)
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if err := fs.filer.MaybeBootstrapFromOnePeer(option.Host, existingNodes, startFromTime); err != nil {
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glog.Fatalf("%s bootstrap from %+v: %v", option.Host, existingNodes, err)
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}
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}
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fs.filer.AggregateFromPeers(option.Host, existingNodes, startFromTime)
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fs.filer.LoadFilerConf()
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fs.filer.LoadRemoteStorageConfAndMapping()
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grace.OnReload(fs.Reload)
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grace.OnInterrupt(func() {
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fs.filer.Shutdown()
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})
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fs.filer.Dlm.LockRing.SetTakeSnapshotCallback(fs.OnDlmChangeSnapshot)
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return fs, nil
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}
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func (fs *FilerServer) checkWithMaster() {
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isConnected := false
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for !isConnected {
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fs.option.Masters.RefreshBySrvIfAvailable()
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for _, master := range fs.option.Masters.GetInstances() {
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readErr := operation.WithMasterServerClient(false, master, fs.grpcDialOption, func(masterClient master_pb.SeaweedClient) error {
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resp, err := masterClient.GetMasterConfiguration(context.Background(), &master_pb.GetMasterConfigurationRequest{})
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if err != nil {
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return fmt.Errorf("get master %s configuration: %v", master, err)
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}
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fs.metricsAddress, fs.metricsIntervalSec = resp.MetricsAddress, int(resp.MetricsIntervalSeconds)
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return nil
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})
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if readErr == nil {
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isConnected = true
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} else {
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time.Sleep(7 * time.Second)
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}
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}
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}
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}
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func (fs *FilerServer) Reload() {
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glog.V(0).Infoln("Reload filer server...")
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util.LoadConfiguration("security", false)
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}
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