forked from TrueCloudLab/frostfs-node
88 lines
1.7 KiB
Go
88 lines
1.7 KiB
Go
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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"github.com/nspcc-dev/neofs-node/misc"
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"github.com/nspcc-dev/neofs-node/pkg/innerring"
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"github.com/nspcc-dev/neofs-node/pkg/util/grace"
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"github.com/nspcc-dev/neofs-node/pkg/util/logger"
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"github.com/nspcc-dev/neofs-node/pkg/util/profiler"
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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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)
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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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versionFlag := flag.Bool("version", false, "neofs-ir node version")
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flag.Parse()
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if *versionFlag {
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fmt.Println("version:", misc.Version)
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os.Exit(SuccessReturnCode)
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}
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cfg, err := newConfig(*configFile)
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exitErr(err)
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log, err := logger.NewLogger(cfg)
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exitErr(err)
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ctx := grace.NewGracefulContext(log)
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intErr := make(chan error) // internal inner ring errors
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pprof := profiler.NewProfiler(log, cfg)
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prometheus := profiler.NewMetrics(log, cfg)
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innerRing, err := innerring.New(ctx, log, cfg)
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if err != nil {
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exitErr(err)
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}
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// start pprof if enabled
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if pprof != nil {
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pprof.Start(ctx)
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defer pprof.Stop()
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}
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// start prometheus if enabled
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if prometheus != nil {
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prometheus.Start(ctx)
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defer prometheus.Stop()
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}
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// start inner ring
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err = innerRing.Start(ctx, intErr)
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if err != nil {
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exitErr(err)
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}
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log.Info("application started")
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select {
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case <-ctx.Done():
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case err := <-intErr:
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// todo: restart application instead of shutdown
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log.Info("internal error", zap.String("msg", err.Error()))
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}
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innerRing.Stop()
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log.Info("application stopped")
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}
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