forked from TrueCloudLab/frostfs-node
105 lines
3 KiB
Go
105 lines
3 KiB
Go
package main
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import (
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"os"
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"os/signal"
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"syscall"
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configViper "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/internal/common/config"
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"git.frostfs.info/TrueCloudLab/frostfs-node/internal/logs"
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control "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/services/control/ir"
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"github.com/spf13/viper"
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"go.uber.org/zap"
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)
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func newConfig() (*viper.Viper, error) {
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var err error
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dv := viper.New()
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defaultConfiguration(dv)
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_, err = configViper.CreateViper(configViper.WithConfigFile(*configFile),
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configViper.WithConfigDir(*configDir), configViper.WithEnvPrefix(EnvPrefix),
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configViper.WithViper(dv))
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if err != nil {
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return nil, err
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}
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return dv, err
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}
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func reloadConfig() error {
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err := configViper.ReloadViper(configViper.WithConfigFile(*configFile),
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configViper.WithConfigDir(*configDir), configViper.WithEnvPrefix(EnvPrefix),
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configViper.WithViper(cfg))
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if err != nil {
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return err
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}
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cmode.Store(cfg.GetBool("node.kludge_compatibility_mode"))
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audit.Store(cfg.GetBool("audit.enabled"))
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err = logPrm.SetLevelString(cfg.GetString("logger.level"))
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if err != nil {
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return err
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}
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return logPrm.Reload()
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}
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func watchForSignal(cancel func()) {
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ch := make(chan os.Signal, 1)
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signal.Notify(ch, syscall.SIGINT, syscall.SIGTERM)
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sighupCh := make(chan os.Signal, 1)
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signal.Notify(sighupCh, syscall.SIGHUP)
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for {
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select {
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// signals causing application to shut down should have priority over
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// reconfiguration signal
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case <-ch:
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log.Info(logs.FrostFSNodeTerminationSignalHasBeenReceivedStopping)
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cancel()
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shutdown()
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log.Info(logs.FrostFSNodeTerminationSignalProcessingIsComplete)
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return
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case err := <-intErr: // internal application error
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log.Info(logs.FrostFSIRInternalError, zap.String("msg", err.Error()))
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cancel()
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shutdown()
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return
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default:
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// block until any signal is receieved
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select {
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case <-ch:
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log.Info(logs.FrostFSNodeTerminationSignalHasBeenReceivedStopping)
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cancel()
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shutdown()
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log.Info(logs.FrostFSNodeTerminationSignalProcessingIsComplete)
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return
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case err := <-intErr: // internal application error
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log.Info(logs.FrostFSIRInternalError, zap.String("msg", err.Error()))
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cancel()
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shutdown()
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return
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case <-sighupCh:
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log.Info(logs.FrostFSNodeSIGHUPHasBeenReceivedRereadingConfiguration)
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if !innerRing.CompareAndSwapHealthStatus(control.HealthStatus_READY, control.HealthStatus_RECONFIGURING) {
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log.Info(logs.FrostFSNodeSIGHUPSkip)
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break
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}
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err := reloadConfig()
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if err != nil {
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log.Error(logs.FrostFSNodeConfigurationReading, zap.Error(err))
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}
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pprofCmp.reload()
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metricsCmp.reload()
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log.Info(logs.FrostFSIRReloadExtraWallets)
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err = innerRing.SetExtraWallets(cfg)
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if err != nil {
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log.Error(logs.FrostFSNodeConfigurationReading, zap.Error(err))
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}
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innerRing.CompareAndSwapHealthStatus(control.HealthStatus_RECONFIGURING, control.HealthStatus_READY)
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log.Info(logs.FrostFSNodeConfigurationHasBeenReloadedSuccessfully)
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}
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}
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}
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}
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