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115 lines
2.2 KiB
115 lines
2.2 KiB
package main
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import (
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"flag"
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"fmt"
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"os"
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"strings"
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cmn "github.com/tendermint/go-common"
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logger "github.com/tendermint/go-logger"
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log15 "github.com/tendermint/log15"
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)
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var version = "0.2.0"
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var log = logger.New()
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func main() {
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var listenAddr string
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var verbose, noton bool
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flag.StringVar(&listenAddr, "listen-addr", "tcp://0.0.0.0:46670", "HTTP and Websocket server listen address")
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flag.BoolVar(&verbose, "v", false, "verbose logging")
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flag.BoolVar(¬on, "no-ton", false, "Do not show ton (table of nodes)")
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flag.Usage = func() {
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fmt.Println(`Tendermint monitor watches over one or more Tendermint core
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applications, collecting and providing various statistics to the user.
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Usage:
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tm-monitor [-v] [-no-ton] [-listen-addr="tcp://0.0.0.0:46670"] [endpoints]
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Examples:
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# monitor single instance
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tm-monitor localhost:46657
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# monitor a few instances by providing comma-separated list of RPC endpoints
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tm-monitor host1:46657,host2:46657`)
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fmt.Println("Flags:")
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flag.PrintDefaults()
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}
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flag.Parse()
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if flag.NArg() == 0 {
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flag.Usage()
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os.Exit(1)
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}
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m := startMonitor(flag.Arg(0))
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startRPC(listenAddr, m)
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var ton *Ton
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if !noton {
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logToFile("tm-monitor.log", verbose)
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ton = NewTon(m)
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ton.Start()
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} else {
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logToStdout(verbose)
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}
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cmn.TrapSignal(func() {
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if !noton {
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ton.Stop()
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}
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m.Stop()
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})
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}
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func startMonitor(endpoints string) *Monitor {
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m := NewMonitor()
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for _, e := range strings.Split(endpoints, ",") {
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if err := m.Monitor(NewNode(e)); err != nil {
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log.Crit(err.Error())
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os.Exit(1)
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}
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}
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if err := m.Start(); err != nil {
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log.Crit(err.Error())
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os.Exit(1)
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}
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return m
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}
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func logToStdout(verbose bool) {
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if verbose {
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log.SetHandler(logger.LvlFilterHandler(
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logger.LvlDebug,
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logger.BypassHandler(),
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))
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} else {
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log.SetHandler(logger.LvlFilterHandler(
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logger.LvlInfo,
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logger.BypassHandler(),
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))
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}
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}
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func logToFile(filename string, verbose bool) {
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if verbose {
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log.SetHandler(logger.LvlFilterHandler(
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logger.LvlDebug,
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log15.Must.FileHandler(filename, log15.LogfmtFormat()),
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))
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} else {
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log.SetHandler(logger.LvlFilterHandler(
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logger.LvlInfo,
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log15.Must.FileHandler(filename, log15.LogfmtFormat()),
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))
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}
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}
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