frostfs-node/cmd/frostfs-ir/config.go

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