forked from TrueCloudLab/frostfs-node
Dmitrii Stepanov
81ea91de52
`metrics` don't look like something others want to import. Signed-off-by: Dmitrii Stepanov <d.stepanov@yadro.com>
127 lines
2.8 KiB
Go
127 lines
2.8 KiB
Go
package main
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import (
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"context"
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"flag"
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"fmt"
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"os"
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"sync"
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"sync/atomic"
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"git.frostfs.info/TrueCloudLab/frostfs-node/internal/logs"
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irMetrics "git.frostfs.info/TrueCloudLab/frostfs-node/internal/metrics"
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"git.frostfs.info/TrueCloudLab/frostfs-node/misc"
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"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/innerring"
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"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/util/logger"
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"github.com/spf13/viper"
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"go.uber.org/zap"
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)
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const (
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// ErrorReturnCode returns when application crashed at initialization stage.
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ErrorReturnCode = 1
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// SuccessReturnCode returns when application closed without panic.
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SuccessReturnCode = 0
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EnvPrefix = "FROSTFS_IR"
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)
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var (
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wg = new(sync.WaitGroup)
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intErr = make(chan error) // internal inner ring errors
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logPrm = new(logger.Prm)
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innerRing *innerring.Server
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pprofCmp *pprofComponent
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metricsCmp *httpComponent
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log *logger.Logger
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cfg *viper.Viper
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configFile *string
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configDir *string
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cmode = &atomic.Bool{}
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audit = &atomic.Bool{}
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)
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func exitErr(err error) {
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if err != nil {
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fmt.Println(err)
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os.Exit(ErrorReturnCode)
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}
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}
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func main() {
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configFile = flag.String("config", "", "path to config")
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configDir = flag.String("config-dir", "", "path to config directory")
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versionFlag := flag.Bool("version", false, "frostfs-ir node version")
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flag.Parse()
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if *versionFlag {
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fmt.Print(misc.BuildInfo("FrostFS Inner Ring node"))
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os.Exit(SuccessReturnCode)
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}
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var err error
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cfg, err = newConfig()
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exitErr(err)
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cmode.Store(cfg.GetBool("node.kludge_compatibility_mode"))
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metrics := irMetrics.NewInnerRingMetrics()
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err = logPrm.SetLevelString(
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cfg.GetString("logger.level"),
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)
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exitErr(err)
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err = logPrm.SetDestination(
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cfg.GetString("logger.destination"),
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)
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exitErr(err)
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logPrm.SamplingHook = metrics.LogMetrics().GetSamplingHook()
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log, err = logger.NewLogger(logPrm)
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exitErr(err)
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ctx, cancel := context.WithCancel(context.Background())
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pprofCmp = newPprofComponent()
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pprofCmp.init()
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metricsCmp = newMetricsComponent()
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metricsCmp.init()
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audit.Store(cfg.GetBool("audit.enabled"))
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innerRing, err = innerring.New(ctx, log, cfg, intErr, metrics, cmode, audit)
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exitErr(err)
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pprofCmp.start()
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metricsCmp.start()
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// start inner ring
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err = innerRing.Start(ctx, intErr)
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exitErr(err)
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log.Info(logs.CommonApplicationStarted,
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zap.String("version", misc.Version))
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watchForSignal(cancel)
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<-ctx.Done() // graceful shutdown
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log.Debug(logs.FrostFSNodeWaitingForAllProcessesToStop)
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wg.Wait()
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log.Info(logs.FrostFSIRApplicationStopped)
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}
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func shutdown() {
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innerRing.Stop()
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if err := metricsCmp.shutdown(); err != nil {
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log.Debug(logs.FrostFSIRCouldNotShutdownHTTPServer,
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zap.String("error", err.Error()),
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)
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}
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if err := pprofCmp.shutdown(); err != nil {
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log.Debug(logs.FrostFSIRCouldNotShutdownHTTPServer,
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zap.String("error", err.Error()),
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)
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}
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}
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