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package command
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import (
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"fmt"
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"github.com/chrislusf/seaweedfs/weed/storage/types"
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"net/http"
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httppprof "net/http/pprof"
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"os"
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"runtime/pprof"
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"strconv"
"strings"
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"time"
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"github.com/spf13/viper"
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"google.golang.org/grpc"
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"github.com/chrislusf/seaweedfs/weed/util/grace"
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"github.com/chrislusf/seaweedfs/weed/pb"
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"github.com/chrislusf/seaweedfs/weed/security"
"github.com/chrislusf/seaweedfs/weed/util/httpdown"
"google.golang.org/grpc/reflection"
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"github.com/chrislusf/seaweedfs/weed/glog"
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"github.com/chrislusf/seaweedfs/weed/pb/volume_server_pb"
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"github.com/chrislusf/seaweedfs/weed/server"
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stats_collect "github.com/chrislusf/seaweedfs/weed/stats"
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"github.com/chrislusf/seaweedfs/weed/storage"
"github.com/chrislusf/seaweedfs/weed/util"
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)
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var (
v VolumeServerOptions
)
type VolumeServerOptions struct {
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port * int
publicPort * int
folders [ ] string
folderMaxLimits [ ] int
idxFolder * string
ip * string
publicUrl * string
bindIp * string
masters * string
idleConnectionTimeout * int
dataCenter * string
rack * string
whiteList [ ] string
indexType * string
diskType * string
fixJpgOrientation * bool
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readMode * string
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cpuProfile * string
memProfile * string
compactionMBPerSecond * int
fileSizeLimitMB * int
concurrentUploadLimitMB * int
pprof * bool
preStopSeconds * int
metricsHttpPort * int
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// pulseSeconds *int
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enableTcp * bool
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}
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func init ( ) {
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cmdVolume . Run = runVolume // break init cycle
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v . port = cmdVolume . Flag . Int ( "port" , 8080 , "http listen port" )
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v . publicPort = cmdVolume . Flag . Int ( "port.public" , 0 , "port opened to public" )
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v . ip = cmdVolume . Flag . String ( "ip" , util . DetectedHostAddress ( ) , "ip or server name, also used as identifier" )
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v . publicUrl = cmdVolume . Flag . String ( "publicUrl" , "" , "Publicly accessible address" )
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v . bindIp = cmdVolume . Flag . String ( "ip.bind" , "" , "ip address to bind to" )
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v . masters = cmdVolume . Flag . String ( "mserver" , "localhost:9333" , "comma-separated master servers" )
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v . preStopSeconds = cmdVolume . Flag . Int ( "preStopSeconds" , 10 , "number of seconds between stop send heartbeats and stop volume server" )
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// v.pulseSeconds = cmdVolume.Flag.Int("pulseSeconds", 5, "number of seconds between heartbeats, must be smaller than or equal to the master's setting")
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v . idleConnectionTimeout = cmdVolume . Flag . Int ( "idleTimeout" , 30 , "connection idle seconds" )
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v . dataCenter = cmdVolume . Flag . String ( "dataCenter" , "" , "current volume server's data center name" )
v . rack = cmdVolume . Flag . String ( "rack" , "" , "current volume server's rack name" )
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v . indexType = cmdVolume . Flag . String ( "index" , "memory" , "Choose [memory|leveldb|leveldbMedium|leveldbLarge] mode for memory~performance balance." )
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v . diskType = cmdVolume . Flag . String ( "disk" , "" , "[hdd|ssd|<tag>] hard drive or solid state drive or any tag" )
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v . fixJpgOrientation = cmdVolume . Flag . Bool ( "images.fix.orientation" , false , "Adjust jpg orientation when uploading." )
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v . readMode = cmdVolume . Flag . String ( "readMode" , "redirect" , "[local|remote|redirect] how to deal with non-local volume: 'not found|read in remote node|redirect volume location'." )
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v . cpuProfile = cmdVolume . Flag . String ( "cpuprofile" , "" , "cpu profile output file" )
v . memProfile = cmdVolume . Flag . String ( "memprofile" , "" , "memory profile output file" )
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v . compactionMBPerSecond = cmdVolume . Flag . Int ( "compactionMBps" , 0 , "limit background compaction or copying speed in mega bytes per second" )
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v . fileSizeLimitMB = cmdVolume . Flag . Int ( "fileSizeLimitMB" , 256 , "limit file size to avoid out of memory" )
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v . concurrentUploadLimitMB = cmdVolume . Flag . Int ( "concurrentUploadLimitMB" , 128 , "limit total concurrent upload size" )
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v . pprof = cmdVolume . Flag . Bool ( "pprof" , false , "enable pprof http handlers. precludes --memprofile and --cpuprofile" )
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v . metricsHttpPort = cmdVolume . Flag . Int ( "metricsPort" , 0 , "Prometheus metrics listen port" )
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v . idxFolder = cmdVolume . Flag . String ( "dir.idx" , "" , "directory to store .idx files" )
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v . enableTcp = cmdVolume . Flag . Bool ( "tcp" , false , "<exprimental> enable tcp port" )
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}
var cmdVolume = & Command {
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UsageLine : "volume -port=8080 -dir=/tmp -max=5 -ip=server_name -mserver=localhost:9333" ,
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Short : "start a volume server" ,
Long : ` start a volume server to provide storage spaces
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` ,
}
var (
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volumeFolders = cmdVolume . Flag . String ( "dir" , os . TempDir ( ) , "directories to store data files. dir[,dir]..." )
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maxVolumeCounts = cmdVolume . Flag . String ( "max" , "8" , "maximum numbers of volumes, count[,count]... If set to zero, the limit will be auto configured." )
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volumeWhiteListOption = cmdVolume . Flag . String ( "whiteList" , "" , "comma separated Ip addresses having write permission. No limit if empty." )
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minFreeSpacePercent = cmdVolume . Flag . String ( "minFreeSpacePercent" , "1" , "minimum free disk space (default to 1%). Low disk space will mark all volumes as ReadOnly (deprecated, use minFreeSpace instead)." )
minFreeSpace = cmdVolume . Flag . String ( "minFreeSpace" , "" , "min free disk space (value<=100 as percentage like 1, other as human readable bytes, like 10GiB). Low disk space will mark all volumes as ReadOnly." )
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)
func runVolume ( cmd * Command , args [ ] string ) bool {
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util . LoadConfiguration ( "security" , false )
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// If --pprof is set we assume the caller wants to be able to collect
// cpu and memory profiles via go tool pprof
if ! * v . pprof {
grace . SetupProfiling ( * v . cpuProfile , * v . memProfile )
}
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go stats_collect . StartMetricsServer ( * v . metricsHttpPort )
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minFreeSpaces := util . MustParseMinFreeSpace ( * minFreeSpace , * minFreeSpacePercent )
v . startVolumeServer ( * volumeFolders , * maxVolumeCounts , * volumeWhiteListOption , minFreeSpaces )
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return true
}
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func ( v VolumeServerOptions ) startVolumeServer ( volumeFolders , maxVolumeCounts , volumeWhiteListOption string , minFreeSpaces [ ] util . MinFreeSpace ) {
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// Set multiple folders and each folder's max volume count limit'
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v . folders = strings . Split ( volumeFolders , "," )
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for _ , folder := range v . folders {
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if err := util . TestFolderWritable ( util . ResolvePath ( folder ) ) ; err != nil {
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glog . Fatalf ( "Check Data Folder(-dir) Writable %s : %s" , folder , err )
}
}
// set max
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maxCountStrings := strings . Split ( maxVolumeCounts , "," )
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for _ , maxString := range maxCountStrings {
if max , e := strconv . Atoi ( maxString ) ; e == nil {
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v . folderMaxLimits = append ( v . folderMaxLimits , max )
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} else {
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glog . Fatalf ( "The max specified in -max not a valid number %s" , maxString )
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}
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}
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if len ( v . folderMaxLimits ) == 1 && len ( v . folders ) > 1 {
for i := 0 ; i < len ( v . folders ) - 1 ; i ++ {
v . folderMaxLimits = append ( v . folderMaxLimits , v . folderMaxLimits [ 0 ] )
}
}
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if len ( v . folders ) != len ( v . folderMaxLimits ) {
glog . Fatalf ( "%d directories by -dir, but only %d max is set by -max" , len ( v . folders ) , len ( v . folderMaxLimits ) )
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}
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if len ( minFreeSpaces ) == 1 && len ( v . folders ) > 1 {
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for i := 0 ; i < len ( v . folders ) - 1 ; i ++ {
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minFreeSpaces = append ( minFreeSpaces , minFreeSpaces [ 0 ] )
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}
}
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if len ( v . folders ) != len ( minFreeSpaces ) {
glog . Fatalf ( "%d directories by -dir, but only %d minFreeSpacePercent is set by -minFreeSpacePercent" , len ( v . folders ) , len ( minFreeSpaces ) )
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}
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// set disk types
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var diskTypes [ ] types . DiskType
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diskTypeStrings := strings . Split ( * v . diskType , "," )
for _ , diskTypeString := range diskTypeStrings {
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diskTypes = append ( diskTypes , types . ToDiskType ( diskTypeString ) )
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}
if len ( diskTypes ) == 1 && len ( v . folders ) > 1 {
for i := 0 ; i < len ( v . folders ) - 1 ; i ++ {
diskTypes = append ( diskTypes , diskTypes [ 0 ] )
}
}
if len ( v . folders ) != len ( diskTypes ) {
glog . Fatalf ( "%d directories by -dir, but only %d disk types is set by -disk" , len ( v . folders ) , len ( diskTypes ) )
}
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// security related white list configuration
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if volumeWhiteListOption != "" {
v . whiteList = strings . Split ( volumeWhiteListOption , "," )
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}
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if * v . ip == "" {
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* v . ip = util . DetectedHostAddress ( )
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glog . V ( 0 ) . Infof ( "detected volume server ip address: %v" , * v . ip )
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}
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if * v . publicPort == 0 {
* v . publicPort = * v . port
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}
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if * v . publicUrl == "" {
* v . publicUrl = * v . ip + ":" + strconv . Itoa ( * v . publicPort )
}
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volumeMux := http . NewServeMux ( )
publicVolumeMux := volumeMux
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if v . isSeparatedPublicPort ( ) {
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publicVolumeMux = http . NewServeMux ( )
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}
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if * v . pprof {
volumeMux . HandleFunc ( "/debug/pprof/" , httppprof . Index )
volumeMux . HandleFunc ( "/debug/pprof/cmdline" , httppprof . Cmdline )
volumeMux . HandleFunc ( "/debug/pprof/profile" , httppprof . Profile )
volumeMux . HandleFunc ( "/debug/pprof/symbol" , httppprof . Symbol )
volumeMux . HandleFunc ( "/debug/pprof/trace" , httppprof . Trace )
}
Add boltdb for volume needle map
boltdb is fairly slow to write, about 6 minutes for recreating index
for 1553934 files. Boltdb loads 1,553,934 x 16 = 24,862,944bytes from
disk, and generate the boltdb as large as 134,217,728 bytes in 6
minutes.
To compare, for leveldb, it recreates index in leveldb as large as
27,188,148 bytes in 8 seconds.
For in memory version, it loads the index in
To test the memory consumption, the leveldb or boltdb index are
created. And the server is restarted. Using the benchmark tool to read
lots of files. There are 7 volumes in benchmark collection, each with
about 1553K files.
For leveldb, the memory starts at 142,884KB, and stays at 179,340KB.
For boltdb, the memory starts at 73,756KB, and stays at 144,564KB.
For in-memory, the memory starts at 368,152KB, and stays at 448,032KB.
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volumeNeedleMapKind := storage . NeedleMapInMemory
switch * v . indexType {
case "leveldb" :
volumeNeedleMapKind = storage . NeedleMapLevelDb
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case "leveldbMedium" :
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volumeNeedleMapKind = storage . NeedleMapLevelDbMedium
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case "leveldbLarge" :
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volumeNeedleMapKind = storage . NeedleMapLevelDbLarge
Add boltdb for volume needle map
boltdb is fairly slow to write, about 6 minutes for recreating index
for 1553934 files. Boltdb loads 1,553,934 x 16 = 24,862,944bytes from
disk, and generate the boltdb as large as 134,217,728 bytes in 6
minutes.
To compare, for leveldb, it recreates index in leveldb as large as
27,188,148 bytes in 8 seconds.
For in memory version, it loads the index in
To test the memory consumption, the leveldb or boltdb index are
created. And the server is restarted. Using the benchmark tool to read
lots of files. There are 7 volumes in benchmark collection, each with
about 1553K files.
For leveldb, the memory starts at 142,884KB, and stays at 179,340KB.
For boltdb, the memory starts at 73,756KB, and stays at 144,564KB.
For in-memory, the memory starts at 368,152KB, and stays at 448,032KB.
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}
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masters := * v . masters
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volumeServer := weed_server . NewVolumeServer ( volumeMux , publicVolumeMux ,
* v . ip , * v . port , * v . publicUrl ,
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v . folders , v . folderMaxLimits , minFreeSpaces , diskTypes ,
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* v . idxFolder ,
Add boltdb for volume needle map
boltdb is fairly slow to write, about 6 minutes for recreating index
for 1553934 files. Boltdb loads 1,553,934 x 16 = 24,862,944bytes from
disk, and generate the boltdb as large as 134,217,728 bytes in 6
minutes.
To compare, for leveldb, it recreates index in leveldb as large as
27,188,148 bytes in 8 seconds.
For in memory version, it loads the index in
To test the memory consumption, the leveldb or boltdb index are
created. And the server is restarted. Using the benchmark tool to read
lots of files. There are 7 volumes in benchmark collection, each with
about 1553K files.
For leveldb, the memory starts at 142,884KB, and stays at 179,340KB.
For boltdb, the memory starts at 73,756KB, and stays at 144,564KB.
For in-memory, the memory starts at 368,152KB, and stays at 448,032KB.
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volumeNeedleMapKind ,
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strings . Split ( masters , "," ) , 5 , * v . dataCenter , * v . rack ,
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v . whiteList ,
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* v . fixJpgOrientation , * v . readMode ,
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* v . compactionMBPerSecond ,
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* v . fileSizeLimitMB ,
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int64 ( * v . concurrentUploadLimitMB ) * 1024 * 1024 ,
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)
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// starting grpc server
grpcS := v . startGrpcService ( volumeServer )
// starting public http server
var publicHttpDown httpdown . Server
if v . isSeparatedPublicPort ( ) {
publicHttpDown = v . startPublicHttpService ( publicVolumeMux )
if nil == publicHttpDown {
glog . Fatalf ( "start public http service failed" )
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}
}
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// starting tcp server
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if * v . enableTcp {
go v . startTcpService ( volumeServer )
}
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// starting the cluster http server
clusterHttpServer := v . startClusterHttpService ( volumeMux )
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stopChan := make ( chan bool )
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grace . OnInterrupt ( func ( ) {
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fmt . Println ( "volume server has be killed" )
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// Stop heartbeats
if ! volumeServer . StopHeartbeat ( ) {
glog . V ( 0 ) . Infof ( "stop send heartbeat and wait %d seconds until shutdown ..." , * v . preStopSeconds )
time . Sleep ( time . Duration ( * v . preStopSeconds ) * time . Second )
}
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shutdown ( publicHttpDown , clusterHttpServer , grpcS , volumeServer )
stopChan <- true
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} )
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select {
case <- stopChan :
}
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}
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func shutdown ( publicHttpDown httpdown . Server , clusterHttpServer httpdown . Server , grpcS * grpc . Server , volumeServer * weed_server . VolumeServer ) {
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// firstly, stop the public http service to prevent from receiving new user request
if nil != publicHttpDown {
glog . V ( 0 ) . Infof ( "stop public http server ... " )
if err := publicHttpDown . Stop ( ) ; err != nil {
glog . Warningf ( "stop the public http server failed, %v" , err )
}
}
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glog . V ( 0 ) . Infof ( "graceful stop cluster http server ... " )
if err := clusterHttpServer . Stop ( ) ; err != nil {
glog . Warningf ( "stop the cluster http server failed, %v" , err )
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}
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glog . V ( 0 ) . Infof ( "graceful stop gRPC ..." )
grpcS . GracefulStop ( )
volumeServer . Shutdown ( )
pprof . StopCPUProfile ( )
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}
// check whether configure the public port
func ( v VolumeServerOptions ) isSeparatedPublicPort ( ) bool {
return * v . publicPort != * v . port
}
func ( v VolumeServerOptions ) startGrpcService ( vs volume_server_pb . VolumeServerServer ) * grpc . Server {
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grpcPort := * v . port + 10000
grpcL , err := util . NewListener ( * v . bindIp + ":" + strconv . Itoa ( grpcPort ) , 0 )
if err != nil {
glog . Fatalf ( "failed to listen on grpc port %d: %v" , grpcPort , err )
}
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grpcS := pb . NewGrpcServer ( security . LoadServerTLS ( util . GetViper ( ) , "grpc.volume" ) )
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volume_server_pb . RegisterVolumeServerServer ( grpcS , vs )
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reflection . Register ( grpcS )
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go func ( ) {
if err := grpcS . Serve ( grpcL ) ; err != nil {
glog . Fatalf ( "start gRPC service failed, %s" , err )
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}
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} ( )
return grpcS
}
func ( v VolumeServerOptions ) startPublicHttpService ( handler http . Handler ) httpdown . Server {
publicListeningAddress := * v . bindIp + ":" + strconv . Itoa ( * v . publicPort )
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glog . V ( 0 ) . Infoln ( "Start Seaweed volume server" , util . Version ( ) , "public at" , publicListeningAddress )
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publicListener , e := util . NewListener ( publicListeningAddress , time . Duration ( * v . idleConnectionTimeout ) * time . Second )
if e != nil {
glog . Fatalf ( "Volume server listener error:%v" , e )
}
pubHttp := httpdown . HTTP { StopTimeout : 5 * time . Minute , KillTimeout : 5 * time . Minute }
publicHttpDown := pubHttp . Serve ( & http . Server { Handler : handler } , publicListener )
go func ( ) {
if err := publicHttpDown . Wait ( ) ; err != nil {
glog . Errorf ( "public http down wait failed, %v" , err )
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}
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} ( )
return publicHttpDown
}
func ( v VolumeServerOptions ) startClusterHttpService ( handler http . Handler ) httpdown . Server {
var (
certFile , keyFile string
)
if viper . GetString ( "https.volume.key" ) != "" {
certFile = viper . GetString ( "https.volume.cert" )
keyFile = viper . GetString ( "https.volume.key" )
}
listeningAddress := * v . bindIp + ":" + strconv . Itoa ( * v . port )
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glog . V ( 0 ) . Infof ( "Start Seaweed volume server %s at %s" , util . Version ( ) , listeningAddress )
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listener , e := util . NewListener ( listeningAddress , time . Duration ( * v . idleConnectionTimeout ) * time . Second )
if e != nil {
glog . Fatalf ( "Volume server listener error:%v" , e )
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}
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httpDown := httpdown . HTTP {
KillTimeout : 5 * time . Minute ,
StopTimeout : 5 * time . Minute ,
CertFile : certFile ,
KeyFile : keyFile }
clusterHttpServer := httpDown . Serve ( & http . Server { Handler : handler } , listener )
go func ( ) {
if e := clusterHttpServer . Wait ( ) ; e != nil {
glog . Fatalf ( "Volume server fail to serve: %v" , e )
}
} ( )
return clusterHttpServer
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}
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func ( v VolumeServerOptions ) startTcpService ( volumeServer * weed_server . VolumeServer ) {
listeningAddress := * v . bindIp + ":" + strconv . Itoa ( * v . port + 20000 )
glog . V ( 0 ) . Infoln ( "Start Seaweed volume server" , util . Version ( ) , "tcp at" , listeningAddress )
listener , e := util . NewListener ( listeningAddress , 0 )
if e != nil {
glog . Fatalf ( "Volume server listener error on %s:%v" , listeningAddress , e )
}
defer listener . Close ( )
for {
c , err := listener . Accept ( )
if err != nil {
fmt . Println ( err )
return
}
go volumeServer . HandleTcpConnection ( c )
}
}