eth-ipfs-state-validator/cmd/root.go

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2020-06-25 20:12:02 +00:00
// Copyright © 2020 Vulcanize, Inc
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package cmd
import (
"os"
"github.com/sirupsen/logrus"
"github.com/spf13/cobra"
"github.com/spf13/viper"
)
var (
subCommand string
logWithCommand logrus.Entry
rootStr string
cfgFile string
)
// rootCmd represents the base command when called without any subcommands
var rootCmd = &cobra.Command{
Use: "eth-ipfs-state-validator",
PersistentPreRun: initFuncs,
}
// Execute begins execution of the command
func Execute() {
logrus.Info("----- Starting eth-ipfs-state-validator -----")
if err := rootCmd.Execute(); err != nil {
logrus.Fatal(err)
}
}
func initFuncs(cmd *cobra.Command, args []string) {
logfile := viper.GetString("logfile")
if logfile != "" {
file, err := os.OpenFile(logfile,
os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0666)
if err == nil {
logrus.Infof("Directing output to %s", logfile)
logrus.SetOutput(file)
} else {
logrus.SetOutput(os.Stdout)
logrus.Info("Failed to log to file, using default stdout")
}
} else {
logrus.SetOutput(os.Stdout)
}
if err := logLevel(); err != nil {
logrus.Fatal("Could not set log level: ", err)
}
}
func logLevel() error {
lvl, err := logrus.ParseLevel(viper.GetString("log.level"))
if err != nil {
return err
}
logrus.SetLevel(lvl)
if lvl > logrus.InfoLevel {
logrus.SetReportCaller(true)
}
logrus.Info("Log level set to ", lvl.String())
return nil
}
func init() {
viper.AutomaticEnv()
rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file location")
rootCmd.PersistentFlags().String("logfile", "", "file path for logging")
rootCmd.PersistentFlags().String("database-name", "vulcanize_public", "database name")
rootCmd.PersistentFlags().Int("database-port", 5432, "database port")
rootCmd.PersistentFlags().String("database-hostname", "localhost", "database hostname")
rootCmd.PersistentFlags().String("database-user", "", "database user")
rootCmd.PersistentFlags().String("database-password", "", "database password")
viper.BindPFlag("logfile", rootCmd.PersistentFlags().Lookup("logfile"))
viper.BindPFlag("database.name", rootCmd.PersistentFlags().Lookup("database-name"))
viper.BindPFlag("database.port", rootCmd.PersistentFlags().Lookup("database-port"))
viper.BindPFlag("database.hostname", rootCmd.PersistentFlags().Lookup("database-hostname"))
viper.BindPFlag("database.user", rootCmd.PersistentFlags().Lookup("database-user"))
viper.BindPFlag("database.password", rootCmd.PersistentFlags().Lookup("database-password"))
}