126 lines
3.7 KiB
Go
126 lines
3.7 KiB
Go
// VulcanizeDB
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// Copyright © 2019 Vulcanize
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package cmd
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import (
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"fmt"
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"path/filepath"
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"strings"
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"github.com/joho/godotenv"
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"github.com/spf13/cobra"
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"github.com/spf13/viper"
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"github.com/cerc-io/ipld-eth-server/v5/pkg/log"
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"github.com/cerc-io/ipld-eth-server/v5/pkg/prom"
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)
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var (
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cfgFile string
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envFile string
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subCommand string
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logWithCommand log.Entry
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)
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var rootCmd = &cobra.Command{
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Use: "ipld-eth-server",
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PersistentPreRun: initFuncs,
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}
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func Execute() {
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log.Info("----- Starting IPFS blockchain watcher -----")
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if err := rootCmd.Execute(); err != nil {
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log.Fatal(err)
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}
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}
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func initFuncs(cmd *cobra.Command, args []string) {
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log.Init()
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if viper.GetBool("metrics") {
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prom.Init()
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}
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if viper.GetBool("prom.http") {
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addr := fmt.Sprintf(
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"%s:%s",
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viper.GetString("prom.http.addr"),
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viper.GetString("prom.http.port"),
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)
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prom.Serve(addr)
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}
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}
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func init() {
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cobra.OnInitialize(initConfig)
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viper.SetEnvKeyReplacer(strings.NewReplacer(".", "_"))
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viper.AutomaticEnv()
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rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file location")
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rootCmd.PersistentFlags().StringVar(&envFile, "env", "", "environment file location")
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rootCmd.PersistentFlags().String("client-ipcPath", "", "location of geth.ipc file")
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rootCmd.PersistentFlags().String("log-level", log.InfoLevel.String(), "log level (trace, debug, info, warn, error, fatal, panic)")
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rootCmd.PersistentFlags().String("log-file", "", "file path for logging")
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rootCmd.PersistentFlags().Bool("metrics", false, "enable metrics")
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rootCmd.PersistentFlags().Bool("prom-http", false, "enable http service for prometheus")
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rootCmd.PersistentFlags().String("prom-http-addr", "127.0.0.1", "http host for prometheus")
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rootCmd.PersistentFlags().String("prom-http-port", "8090", "http port for prometheus")
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viper.BindPFlag("log.level", rootCmd.PersistentFlags().Lookup("log-level"))
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viper.BindPFlag("log.file", rootCmd.PersistentFlags().Lookup("log-file"))
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viper.BindPFlag("metrics", rootCmd.PersistentFlags().Lookup("metrics"))
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viper.BindPFlag("prom.http", rootCmd.PersistentFlags().Lookup("prom-http"))
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viper.BindPFlag("prom.http.addr", rootCmd.PersistentFlags().Lookup("prom-http-addr"))
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viper.BindPFlag("prom.http.port", rootCmd.PersistentFlags().Lookup("prom-http-port"))
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}
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func initConfig() {
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if cfgFile == "" && envFile == "" {
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log.Warn("No configuration file specified, use --config , --env flag to provide configuration")
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}
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if cfgFile != "" {
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if filepath.Ext(cfgFile) != ".toml" {
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log.Fatal("Provide .toml file for --config flag")
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}
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viper.SetConfigFile(cfgFile)
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if err := viper.ReadInConfig(); err != nil {
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log.Fatalf("Couldn't read config file: %s", err.Error())
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}
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log.Infof("Using config file: %s", viper.ConfigFileUsed())
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}
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if envFile != "" {
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if filepath.Ext(envFile) != ".env" {
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log.Fatal("Provide .env file for --env flag")
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}
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if err := godotenv.Load(envFile); err != nil {
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log.Fatalf("Failed to set environment variable from env file: %s", err.Error())
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}
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log.Infof("Using env file: %s", envFile)
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}
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}
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