ipld-eth-server/cmd/root.go

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package cmd
import (
"fmt"
"os"
"github.com/8thlight/vulcanizedb/pkg/config"
"github.com/mitchellh/go-homedir"
"github.com/spf13/cobra"
"github.com/spf13/viper"
)
var cfgFile string
var databaseConfig config.Database
var ipc string
var rootCmd = &cobra.Command{
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Use: "vulcanizedb",
PersistentPreRun: database,
}
func Execute() {
if err := rootCmd.Execute(); err != nil {
fmt.Println(err)
os.Exit(1)
}
}
func database(cmd *cobra.Command, args []string) {
ipc = viper.GetString("client.ipcpath")
databaseConfig = config.Database{
Name: viper.GetString("database.name"),
Hostname: viper.GetString("database.hostname"),
Port: viper.GetInt("database.port"),
}
viper.Set("database.config", databaseConfig)
}
func init() {
cobra.OnInitialize(initConfig)
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rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "environment/public.toml", "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("client-ipcPath", "", "location of geth.ipc file")
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("client.ipcPath", rootCmd.PersistentFlags().Lookup("client-ipcPath"))
}
func initConfig() {
if cfgFile != "" {
viper.SetConfigFile(cfgFile)
} else {
home, err := homedir.Dir()
if err != nil {
fmt.Println(err)
os.Exit(1)
}
viper.AddConfigPath(home)
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viper.SetConfigName(".vulcanizedb")
}
viper.AutomaticEnv()
if err := viper.ReadInConfig(); err == nil {
fmt.Printf("Using config file: %s\n\n", viper.ConfigFileUsed())
}
}