laconicd/cmd/ethermintd/util.go

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2021-04-18 17:23:26 +00:00
package main
import (
"fmt"
"os"
"path/filepath"
"time"
"github.com/spf13/cobra"
"github.com/spf13/viper"
"github.com/cosmos/cosmos-sdk/client/flags"
"github.com/cosmos/cosmos-sdk/server"
tmcfg "github.com/tendermint/tendermint/config"
tmcli "github.com/tendermint/tendermint/libs/cli"
tmflags "github.com/tendermint/tendermint/libs/cli/flags"
"github.com/tendermint/tendermint/libs/log"
"github.com/cosmos/ethermint/cmd/ethermintd/config"
)
// InterceptConfigsPreRunHandler performs a pre-run function for the root daemon
// application command. It will create a Viper literal and a default server
// Context. The server Tendermint configuration will either be read and parsed
// or created and saved to disk, where the server Context is updated to reflect
// the Tendermint configuration. The Viper literal is used to read and parse
// the application configuration. Command handlers can fetch the server Context
// to get the Tendermint configuration or to get access to Viper.
func InterceptConfigsPreRunHandler(cmd *cobra.Command) error {
rootViper := viper.New()
rootViper.BindPFlags(cmd.Flags())
rootViper.BindPFlags(cmd.PersistentFlags())
serverCtx := server.NewDefaultContext()
config, err := interceptConfigs(serverCtx, rootViper)
if err != nil {
return err
}
logger := log.NewTMLogger(log.NewSyncWriter(os.Stdout))
logger, err = tmflags.ParseLogLevel(config.LogLevel, logger, tmcfg.DefaultLogLevel)
if err != nil {
return err
}
if rootViper.GetBool(tmcli.TraceFlag) {
logger = log.NewTracingLogger(logger)
}
serverCtx.Config = config
serverCtx.Logger = logger.With("module", "main")
// TODO: parse package-level log levels correctly (replace tmlib)
//
// if len(config.LogLevel) == 0 {
// if ll := rootViper.GetString("log-level"); len(ll) > 0 {
// config.LogLevel = ll
// } else {
// config.LogLevel = "info"
// }
// }
//
// logger := logging.NewWrappedSuplog("info", false)
//
// if rootViper.GetBool(tmcli.TraceFlag) {
// logger = tmlog.NewTracingLogger(logger)
// }
//
// serverCtx.Config = config
// serverCtx.Logger = logger.With("module", "main")
return server.SetCmdServerContext(cmd, serverCtx)
}
// interceptConfigs parses and updates a Tendermint configuration file or
// creates a new one and saves it. It also parses and saves the application
// configuration file. The Tendermint configuration file is parsed given a root
// Viper object, whereas the application is parsed with the private package-aware
// viperCfg object.
func interceptConfigs(ctx *server.Context, rootViper *viper.Viper) (*tmcfg.Config, error) {
rootDir := rootViper.GetString(flags.FlagHome)
configPath := filepath.Join(rootDir, "config")
configFile := filepath.Join(configPath, "config.toml")
conf := tmcfg.DefaultConfig()
if _, err := os.Stat(configFile); os.IsNotExist(err) {
tmcfg.EnsureRoot(rootDir)
if err = conf.ValidateBasic(); err != nil {
return nil, fmt.Errorf("error in config file: %v", err)
}
conf.RPC.PprofListenAddress = "localhost:6060"
conf.P2P.RecvRate = 5120000
conf.P2P.SendRate = 5120000
conf.Consensus.TimeoutCommit = 5 * time.Second
tmcfg.WriteConfigFile(configFile, conf)
} else {
rootViper.SetConfigType("toml")
rootViper.SetConfigName("config")
rootViper.AddConfigPath(configPath)
if err := rootViper.ReadInConfig(); err != nil {
return nil, fmt.Errorf("failed to read in app.toml: %w", err)
}
if err := rootViper.Unmarshal(conf); err != nil {
return nil, err
}
}
conf.SetRoot(rootDir)
appConfigFilePath := filepath.Join(configPath, "app.toml")
if _, err := os.Stat(appConfigFilePath); os.IsNotExist(err) {
appConf, err := config.ParseConfig(ctx.Viper)
if err != nil {
return nil, fmt.Errorf("failed to parse app.toml: %w", err)
}
config.WriteConfigFile(appConfigFilePath, appConf)
}
ctx.Viper.SetConfigType("toml")
ctx.Viper.SetConfigName("app")
ctx.Viper.AddConfigPath(configPath)
if err := ctx.Viper.ReadInConfig(); err != nil {
return nil, fmt.Errorf("failed to read in app.toml: %w", err)
}
return conf, nil
}