top level cmd

.gitignore

@@ -13,3 +13,4 @@
 
 # Dependency directories (remove the comment below to include it)
 # vendor/
+.idea/

cmd/root.go

@@ -0,0 +1,107 @@
+// VulcanizeDB
+// Copyright © 2020 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"
+)
+
+var (
+	cfgFile        string
+	logWithCommand log.Entry
+)
+
+var rootCmd = &cobra.Command{
+	Use:              "tx_spammer",
+	PersistentPreRun: initFuncs,
+}
+
+func Execute() {
+	log.Info("----- Starting tx spammer -----")
+	if err := rootCmd.Execute(); err != nil {
+		log.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 {
+			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)
+	}
+}
+
+func logLevel() error {
+	viper.BindEnv("log.level", "LOGRUS_LEVEL")
+	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
+}
+
+func init() {
+	cobra.OnInitialize(initConfig)
+	viper.SetEnvKeyReplacer(strings.NewReplacer(".", "_"))
+	viper.AutomaticEnv()
+
+	// flags
+	rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file location")
+
+	rootCmd.PersistentFlags().String("log-level", log.InfoLevel.String(), "Log level (trace, debug, info, warn, error, fatal, panic")
+	rootCmd.PersistentFlags().String("log-file", "", "file path for logging")
+
+	// and their .toml bindings
+	viper.BindPFlag("log.file", rootCmd.PersistentFlags().Lookup("log-file"))
+	viper.BindPFlag("log.level", rootCmd.PersistentFlags().Lookup("log-level"))
+}
+
+func initConfig() {
+	if cfgFile != "" {
+		viper.SetConfigFile(cfgFile)
+		if err := viper.ReadInConfig(); err == nil {
+			log.Printf("Using config file: %s", viper.ConfigFileUsed())
+		} else {
+			log.Fatal(fmt.Sprintf("Couldn't read config file: %s", err.Error()))
+		}
+	} else {
+		log.Warn("No config file passed with --config flag")
+	}
+}

cmd/sendTxs.go

@@ -0,0 +1,51 @@
+// 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 (
+	"fmt"
+
+	"github.com/spf13/cobra"
+)
+
+// sendTxsCmd represents the sendTxs command
+var sendTxsCmd = &cobra.Command{
+	Use:   "sendTxs",
+	Short: "A brief description of your command",
+	Long: `A longer description that spans multiple lines and likely contains examples
+and usage of using your command. For example:
+
+Cobra is a CLI library for Go that empowers applications.
+This application is a tool to generate the needed files
+to quickly create a Cobra application.`,
+	Run: func(cmd *cobra.Command, args []string) {
+		fmt.Println("sendTxs called")
+	},
+}
+
+func init() {
+	rootCmd.AddCommand(sendTxsCmd)
+
+	// Here you will define your flags and configuration settings.
+
+	// Cobra supports Persistent Flags which will work for this command
+	// and all subcommands, e.g.:
+	// sendTxsCmd.PersistentFlags().String("foo", "", "A help for foo")
+
+	// Cobra supports local flags which will only run when this command
+	// is called directly, e.g.:
+	// sendTxsCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
+}