mirror of
https://github.com/seaweedfs/seaweedfs.git
synced 2024-12-15 19:26:42 +08:00
139 lines
4.4 KiB
Go
139 lines
4.4 KiB
Go
package command
|
|
|
|
import (
|
|
"fmt"
|
|
"github.com/seaweedfs/seaweedfs/weed/filer"
|
|
"github.com/seaweedfs/seaweedfs/weed/pb"
|
|
"os"
|
|
"path/filepath"
|
|
"strings"
|
|
"time"
|
|
|
|
"github.com/seaweedfs/seaweedfs/weed/pb/filer_pb"
|
|
"github.com/seaweedfs/seaweedfs/weed/security"
|
|
"github.com/seaweedfs/seaweedfs/weed/util"
|
|
)
|
|
|
|
func init() {
|
|
cmdFilerMetaTail.Run = runFilerMetaTail // break init cycle
|
|
}
|
|
|
|
var cmdFilerMetaTail = &Command{
|
|
UsageLine: "filer.meta.tail [-filer=localhost:8888] [-pathPrefix=/]",
|
|
Short: "see continuous changes on a filer",
|
|
Long: `See continuous changes on a filer.
|
|
|
|
weed filer.meta.tail -timeAgo=30h | grep truncate
|
|
weed filer.meta.tail -timeAgo=30h | jq .
|
|
weed filer.meta.tail -timeAgo=30h -untilTimeAgo=20h | jq .
|
|
weed filer.meta.tail -timeAgo=30h | jq .eventNotification.newEntry.name
|
|
|
|
weed filer.meta.tail -timeAgo=30h -es=http://<elasticSearchServerHost>:<port> -es.index=seaweedfs
|
|
|
|
`,
|
|
}
|
|
|
|
var (
|
|
tailFiler = cmdFilerMetaTail.Flag.String("filer", "localhost:8888", "filer hostname:port")
|
|
tailTarget = cmdFilerMetaTail.Flag.String("pathPrefix", "/", "path to a folder or common prefix for the folders or files on filer")
|
|
tailStart = cmdFilerMetaTail.Flag.Duration("timeAgo", 0, "start time before now. \"300ms\", \"1.5h\" or \"2h45m\". Valid time units are \"ns\", \"us\" (or \"µs\"), \"ms\", \"s\", \"m\", \"h\"")
|
|
tailStop = cmdFilerMetaTail.Flag.Duration("untilTimeAgo", 0, "read until this time ago. \"300ms\", \"1.5h\" or \"2h45m\". Valid time units are \"ns\", \"us\" (or \"µs\"), \"ms\", \"s\", \"m\", \"h\"")
|
|
tailPattern = cmdFilerMetaTail.Flag.String("pattern", "", "full path or just filename pattern, ex: \"/home/?opher\", \"*.pdf\", see https://golang.org/pkg/path/filepath/#Match ")
|
|
esServers = cmdFilerMetaTail.Flag.String("es", "", "comma-separated elastic servers http://<host:port>")
|
|
esIndex = cmdFilerMetaTail.Flag.String("es.index", "seaweedfs", "ES index name")
|
|
)
|
|
|
|
func runFilerMetaTail(cmd *Command, args []string) bool {
|
|
|
|
util.LoadConfiguration("security", false)
|
|
grpcDialOption := security.LoadClientTLS(util.GetViper(), "grpc.client")
|
|
clientId := util.RandomInt32()
|
|
|
|
var filterFunc func(dir, fname string) bool
|
|
if *tailPattern != "" {
|
|
if strings.Contains(*tailPattern, "/") {
|
|
println("watch path pattern", *tailPattern)
|
|
filterFunc = func(dir, fname string) bool {
|
|
matched, err := filepath.Match(*tailPattern, dir+"/"+fname)
|
|
if err != nil {
|
|
fmt.Printf("error: %v", err)
|
|
}
|
|
return matched
|
|
}
|
|
} else {
|
|
println("watch file pattern", *tailPattern)
|
|
filterFunc = func(dir, fname string) bool {
|
|
matched, err := filepath.Match(*tailPattern, fname)
|
|
if err != nil {
|
|
fmt.Printf("error: %v", err)
|
|
}
|
|
return matched
|
|
}
|
|
}
|
|
}
|
|
|
|
shouldPrint := func(resp *filer_pb.SubscribeMetadataResponse) bool {
|
|
if filer_pb.IsEmpty(resp) {
|
|
return false
|
|
}
|
|
if filterFunc == nil {
|
|
return true
|
|
}
|
|
if resp.EventNotification.OldEntry != nil && filterFunc(resp.Directory, resp.EventNotification.OldEntry.Name) {
|
|
return true
|
|
}
|
|
if resp.EventNotification.NewEntry != nil && filterFunc(resp.EventNotification.NewParentPath, resp.EventNotification.NewEntry.Name) {
|
|
return true
|
|
}
|
|
return false
|
|
}
|
|
|
|
eachEntryFunc := func(resp *filer_pb.SubscribeMetadataResponse) error {
|
|
filer.ProtoToText(os.Stdout, resp)
|
|
fmt.Fprintln(os.Stdout)
|
|
return nil
|
|
}
|
|
if *esServers != "" {
|
|
var err error
|
|
eachEntryFunc, err = sendToElasticSearchFunc(*esServers, *esIndex)
|
|
if err != nil {
|
|
fmt.Printf("create elastic search client to %s: %+v\n", *esServers, err)
|
|
return false
|
|
}
|
|
}
|
|
|
|
var untilTsNs int64
|
|
if *tailStop != 0 {
|
|
untilTsNs = time.Now().Add(-*tailStop).UnixNano()
|
|
}
|
|
|
|
metadataFollowOption := &pb.MetadataFollowOption{
|
|
ClientName: "tail",
|
|
ClientId: clientId,
|
|
ClientEpoch: 0,
|
|
SelfSignature: 0,
|
|
PathPrefix: *tailTarget,
|
|
AdditionalPathPrefixes: nil,
|
|
DirectoriesToWatch: nil,
|
|
StartTsNs: time.Now().Add(-*tailStart).UnixNano(),
|
|
StopTsNs: untilTsNs,
|
|
EventErrorType: pb.TrivialOnError,
|
|
}
|
|
|
|
tailErr := pb.FollowMetadata(pb.ServerAddress(*tailFiler), grpcDialOption, metadataFollowOption, func(resp *filer_pb.SubscribeMetadataResponse) error {
|
|
if !shouldPrint(resp) {
|
|
return nil
|
|
}
|
|
if err := eachEntryFunc(resp); err != nil {
|
|
return err
|
|
}
|
|
return nil
|
|
})
|
|
|
|
if tailErr != nil {
|
|
fmt.Printf("tail %s: %v\n", *tailFiler, tailErr)
|
|
}
|
|
|
|
return true
|
|
}
|