/
root.go
96 lines (79 loc) · 2.24 KB
/
root.go
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package commands
import (
"fmt"
"os"
"strings"
"github.com/spf13/cobra"
"github.com/spf13/viper"
cfg "github.com/vipernet-xyz/tm/config"
"github.com/vipernet-xyz/tm/libs/cli"
tmflags "github.com/vipernet-xyz/tm/libs/cli/flags"
"github.com/vipernet-xyz/tm/libs/log"
)
var (
config = cfg.DefaultConfig()
logger = log.NewTMLogger(log.NewSyncWriter(os.Stdout))
)
func init() {
registerFlagsRootCmd(RootCmd)
}
func registerFlagsRootCmd(cmd *cobra.Command) {
cmd.PersistentFlags().String("log_level", config.LogLevel, "log level")
}
// ParseConfig retrieves the default environment configuration,
// sets up the Tendermint root and ensures that the root exists
func ParseConfig(cmd *cobra.Command) (*cfg.Config, error) {
conf := cfg.DefaultConfig()
err := viper.Unmarshal(conf)
if err != nil {
return nil, err
}
var home string
if os.Getenv("TMHOME") != "" {
home = os.Getenv("TMHOME")
} else {
home, err = cmd.Flags().GetString(cli.HomeFlag)
if err != nil {
return nil, err
}
}
conf.RootDir = home
conf.SetRoot(conf.RootDir)
cfg.EnsureRoot(conf.RootDir)
if err := conf.ValidateBasic(); err != nil {
return nil, fmt.Errorf("error in config file: %v", err)
}
return conf, nil
}
// RootCmd is the root command for Tendermint core.
var RootCmd = &cobra.Command{
Use: "tendermint",
Short: "BFT state machine replication for applications in any programming languages",
PersistentPreRunE: func(cmd *cobra.Command, args []string) (err error) {
if cmd.Name() == VersionCmd.Name() {
return nil
}
config, err = ParseConfig(cmd)
if err != nil {
return err
}
if config.LogFormat == cfg.LogFormatJSON {
logger = log.NewTMJSONLogger(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")
return nil
},
}
// deprecateSnakeCase is a util function for 0.34.1. Should be removed in 0.35
func deprecateSnakeCase(cmd *cobra.Command, args []string) {
if strings.Contains(cmd.CalledAs(), "_") {
fmt.Println("Deprecated: snake_case commands will be replaced by hyphen-case commands in the next major release")
}
}