cosmos-sdk/server/pre_run.go

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package server
import (
"os"
"github.com/spf13/cobra"
"github.com/spf13/viper"
"github.com/cosmos/cosmos-sdk/version"
tcmd "github.com/tendermint/tendermint/cmd/tendermint/commands"
cfg "github.com/tendermint/tendermint/config"
"github.com/tendermint/tmlibs/cli"
tmflags "github.com/tendermint/tmlibs/cli/flags"
"github.com/tendermint/tmlibs/log"
)
// PersistentPreRunEFn returns a PersistentPreRunE function for cobra
// that initailizes the passed in context with a properly configured
// logger and config objecy
func PersistentPreRunEFn(context *Context) func(*cobra.Command, []string) error {
return func(cmd *cobra.Command, args []string) error {
if cmd.Name() == version.VersionCmd.Name() {
return nil
}
config, err := tcmd.ParseConfig()
if err != nil {
return err
}
logger := log.NewTMLogger(log.NewSyncWriter(os.Stdout))
logger, err = tmflags.ParseLogLevel(config.LogLevel, logger, cfg.DefaultLogLevel())
if err != nil {
return err
}
if viper.GetBool(cli.TraceFlag) {
logger = log.NewTracingLogger(logger)
}
logger = logger.With("module", "main")
context.Config = config
context.Logger = logger
return nil
}
}