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config.go
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config.go
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// Copyright 2015 - 2019 Ka-Hing Cheung
// Copyright 2015 - 2017 Google Inc. All Rights Reserved.
// Copyright 2019 Databricks
// Copyright 2021 Yandex LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package cfg
import (
"mime"
"net"
"net/http"
"os"
"strings"
"time"
)
type PartSizeConfig struct {
PartSize uint64
PartCount uint64
}
type NodeConfig struct {
Id uint64
Address string
}
type FlagStorage struct {
// File system
MountOptions []string
MountPoint string
MountPointArg string
MountPointCreated string
DirMode os.FileMode
FileMode os.FileMode
Uid uint32
Gid uint32
Setuid int
Setgid int
// Common Backend Config
UseContentType bool
Endpoint string
Backend interface{}
// Tuning
MemoryLimit uint64
EntryLimit int
GCInterval uint64
Cheap bool
ExplicitDir bool
NoDirObject bool
MaxFlushers int64
MaxParallelParts int
MaxParallelCopy int
StatCacheTTL time.Duration
HTTPTimeout time.Duration
ReadRetryInterval time.Duration
ReadRetryMultiplier float64
ReadRetryMax time.Duration
ReadRetryAttempts int
RetryInterval time.Duration
ReadAheadKB uint64
SmallReadCount uint64
SmallReadCutoffKB uint64
ReadAheadSmallKB uint64
LargeReadCutoffKB uint64
ReadAheadLargeKB uint64
ReadAheadParallelKB uint64
ReadMergeKB uint64
SinglePartMB uint64
MaxMergeCopyMB uint64
IgnoreFsync bool
FsyncOnClose bool
EnablePerms bool
EnableSpecials bool
EnableMtime bool
DisableXattr bool
UidAttr string
GidAttr string
FileModeAttr string
RdevAttr string
MtimeAttr string
SymlinkAttr string
RefreshAttr string
RefreshFilename string
FlushFilename string
CachePath string
MaxDiskCacheFD int64
CacheFileMode os.FileMode
PartSizes []PartSizeConfig
UsePatch bool
DropPatchConflicts bool
// Debugging
DebugMain bool
DebugFuse bool
DebugS3 bool
PProf string
Foreground bool
LogFile string
DebugGrpc bool
StatsInterval time.Duration
// Cluster Mode
ClusterMode bool
ClusterGrpcReflection bool
ClusterMe *NodeConfig
ClusterPeers []*NodeConfig
}
func (flags *FlagStorage) GetMimeType(fileName string) (retMime *string) {
if flags.UseContentType {
dotPosition := strings.LastIndex(fileName, ".")
if dotPosition == -1 {
return nil
}
mimeType := mime.TypeByExtension(fileName[dotPosition:])
if mimeType == "" {
return nil
}
semicolonPosition := strings.LastIndex(mimeType, ";")
if semicolonPosition == -1 {
return &mimeType
}
s := mimeType[:semicolonPosition]
retMime = &s
}
return
}
func (flags *FlagStorage) Cleanup() {
if flags.MountPointCreated != "" && flags.MountPointCreated != flags.MountPointArg {
err := os.Remove(flags.MountPointCreated)
if err != nil {
log.Errorf("rmdir %v = %v", flags.MountPointCreated, err)
}
}
}
var defaultHTTPTransport = http.Transport{
Proxy: http.ProxyFromEnvironment,
DialContext: (&net.Dialer{
Timeout: 30 * time.Second,
KeepAlive: 30 * time.Second,
DualStack: true,
}).DialContext,
MaxIdleConns: 1000,
MaxIdleConnsPerHost: 1000,
IdleConnTimeout: 90 * time.Second,
TLSHandshakeTimeout: 10 * time.Second,
ExpectContinueTimeout: 10 * time.Second,
}
func GetHTTPTransport() *http.Transport {
return &defaultHTTPTransport
}