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root.go
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root.go
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// VulcanizeDB
// Copyright © 2022 Vulcanize
// 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 (
"fmt"
"os"
"strings"
log "github.com/sirupsen/logrus"
"github.com/spf13/cobra"
"github.com/spf13/viper"
"github.com/cerc-io/ipld-eth-db-validator/pkg/prom"
)
var (
cfgFile string
subCommand string
logWithCommand log.Entry
)
// rootCmd represents the base command when called without any subcommands
var rootCmd = &cobra.Command{
Use: "ipld-eth-db-validator",
Short: "Validates each block state stored for state-diff service.",
Long: `Validates each block state stored for state-diff service.`,
PersistentPreRun: initFunc,
}
func Execute() {
log.Info("----- Starting state validator -----")
if err := rootCmd.Execute(); err != nil {
os.Exit(1)
}
}
func initFunc(cmd *cobra.Command, args []string) {
logfile := viper.GetString("log.file")
if logfile != "" {
file, err := os.OpenFile(logfile,
os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0666)
if err == nil {
log.Infof("Directing output to %s", logfile)
log.SetOutput(file)
} else {
log.SetOutput(os.Stdout)
log.Info("Failed to log to file, using default stdout")
}
} else {
log.SetOutput(os.Stdout)
}
if err := logLevel(); err != nil {
log.Fatal("Could not set log level: ", err)
}
if viper.GetBool("prom.metrics") {
log.Info("initializing prometheus metrics")
prom.Init()
}
if viper.GetBool("prom.http") {
addr := fmt.Sprintf(
"%s:%s",
viper.GetString("prom.httpAddr"),
viper.GetString("prom.httpPort"),
)
log.Info("starting prometheus server")
prom.Serve(addr)
}
}
func init() {
cobra.OnInitialize(initConfig)
viper.SetEnvKeyReplacer(strings.NewReplacer(".", "_"))
viper.AutomaticEnv()
rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file location")
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")
rootCmd.PersistentFlags().String("log-file", "", "file path for logging")
rootCmd.PersistentFlags().String("log-level", log.InfoLevel.String(), "Log level (trace, debug, info, warn, error, fatal, panic")
rootCmd.PersistentFlags().Bool("prom-metrics", false, "enable prometheus metrics")
rootCmd.PersistentFlags().Bool("prom-http", false, "enable prometheus http service")
rootCmd.PersistentFlags().String("prom-httpAddr", "127.0.0.1", "prometheus http host")
rootCmd.PersistentFlags().String("prom-httpPort", "9001", "prometheus http port")
rootCmd.PersistentFlags().Bool("prom-dbStats", false, "enables prometheus db stats")
_ = 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"))
_ = viper.BindPFlag("log.file", rootCmd.PersistentFlags().Lookup("log-file"))
_ = viper.BindPFlag("log.level", rootCmd.PersistentFlags().Lookup("log-level"))
_ = viper.BindPFlag("prom.metrics", rootCmd.PersistentFlags().Lookup("prom-metrics"))
_ = viper.BindPFlag("prom.http", rootCmd.PersistentFlags().Lookup("prom-http"))
_ = viper.BindPFlag("prom.httpAddr", rootCmd.PersistentFlags().Lookup("prom-httpAddr"))
_ = viper.BindPFlag("prom.httpPort", rootCmd.PersistentFlags().Lookup("prom-httpPort"))
_ = viper.BindPFlag("prom.dbStats", rootCmd.PersistentFlags().Lookup("prom-dbStats"))
}
func logLevel() error {
lvl, err := log.ParseLevel(viper.GetString("log.level"))
if err != nil {
return err
}
log.SetLevel(lvl)
if lvl > log.InfoLevel {
log.SetReportCaller(true)
}
log.Info("Log level set to ", lvl.String())
return nil
}