100 lines
3 KiB
Go
100 lines
3 KiB
Go
package cmd
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import (
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"os"
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"os/signal"
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"strconv"
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"strings"
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"syscall"
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"github.com/lbryio/lbry.go/v2/dht"
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"github.com/lbryio/lbry.go/v2/dht/bits"
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"github.com/lbryio/reflector.go/cluster"
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"github.com/lbryio/reflector.go/db"
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"github.com/lbryio/reflector.go/peer"
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"github.com/lbryio/reflector.go/prism"
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"github.com/lbryio/reflector.go/reflector"
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"github.com/lbryio/reflector.go/store"
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log "github.com/sirupsen/logrus"
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"github.com/spf13/cobra"
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)
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const (
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startNewCluster = "new"
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)
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var (
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startClusterPort int
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startPeerPort int
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startReflectorPort int
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startDhtPort int
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startDhtSeeds []string
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startHashRange string
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)
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func init() {
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var cmd = &cobra.Command{
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Use: `start [cluster-address|"new"]`,
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Short: "Runs full prism application with cluster, dht, peer server, and reflector server.",
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Run: startCmd,
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Args: cobra.ExactArgs(1),
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}
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cmd.PersistentFlags().IntVar(&startClusterPort, "cluster-port", cluster.DefaultPort, "Port that cluster listens on")
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cmd.PersistentFlags().IntVar(&startPeerPort, "peer-port", peer.DefaultPort, "Port to start peer protocol on")
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cmd.PersistentFlags().IntVar(&startReflectorPort, "reflector-port", reflector.DefaultPort, "Port to start reflector protocol on")
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cmd.PersistentFlags().IntVar(&startDhtPort, "dht-port", dht.DefaultPort, "Port that dht will listen on")
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cmd.PersistentFlags().StringSliceVar(&startDhtSeeds, "dht-seeds", []string{}, "Comma-separated list of dht seed nodes (addr:port,addr:port,...)")
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cmd.PersistentFlags().StringVar(&startHashRange, "hash-range", "", "Limit on range of hashes to announce (start-end)")
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rootCmd.AddCommand(cmd)
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}
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func startCmd(cmd *cobra.Command, args []string) {
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db := new(db.SQL)
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err := db.Connect(globalConfig.DBConn)
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checkErr(err)
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s3 := store.NewS3Store(globalConfig.AwsID, globalConfig.AwsSecret, globalConfig.BucketRegion, globalConfig.BucketName)
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comboStore := store.NewDBBackedStore(s3, db)
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conf := prism.DefaultConf()
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// TODO: args we need:
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// minNodes - minimum number of nodes before announcing starts. otherwise first node will try to announce all the blobs in the db
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// or maybe we should do maxHashesPerNode?
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// in either case, this should not kill the cluster, but should only limit announces (and notify when some hashes are being left unannounced)
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if args[0] != startNewCluster {
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conf.ClusterSeedAddr = args[0]
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}
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conf.DB = db
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conf.Blobs = comboStore
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conf.DhtAddress = "0.0.0.0:" + strconv.Itoa(startDhtPort)
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conf.DhtSeedNodes = startDhtSeeds
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conf.ClusterPort = startClusterPort
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conf.PeerPort = startPeerPort
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conf.ReflectorPort = startReflectorPort
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if startHashRange != "" {
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hashRange := strings.Split(startHashRange, "-")
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if len(hashRange) != 2 {
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log.Fatal("invalid hash range")
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}
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r := bits.Range{Start: bits.FromShortHexP(hashRange[0]), End: bits.FromShortHexP(hashRange[1])}
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conf.HashRange = &r
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}
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p := prism.New(conf)
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err = p.Start()
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if err != nil {
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log.Fatal(err)
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}
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interruptChan := make(chan os.Signal, 1)
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signal.Notify(interruptChan, os.Interrupt, syscall.SIGTERM)
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<-interruptChan
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p.Shutdown()
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}
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