зеркало из https://github.com/microsoft/fabrikate.git
73 строки
1.7 KiB
Go
73 строки
1.7 KiB
Go
package cmd
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import (
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"os"
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homedir "github.com/mitchellh/go-homedir"
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log "github.com/sirupsen/logrus"
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"github.com/spf13/cobra"
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"github.com/spf13/viper"
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)
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var cfgFile string
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// rootCmd represents the base command when called without any subcommands
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var rootCmd = &cobra.Command{
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Use: "fab",
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Short: "Scalable GitOps for Kubernetes clusters",
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Long: "Scalable GitOps for Kubernetes clusters",
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PersistentPreRunE: func(cmd *cobra.Command, args []string) (err error) {
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verbose := cmd.Flag("verbose").Value.String()
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if verbose == "true" {
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log.SetLevel(log.DebugLevel)
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} else {
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log.SetLevel(log.InfoLevel)
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}
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return nil
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},
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}
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// Execute adds all child commands to the root command and sets flags appropriately.
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// This is called by main.main(). It only needs to happen once to the rootCmd.
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func Execute() {
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if err := rootCmd.Execute(); err != nil {
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log.Error(err)
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os.Exit(1)
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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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rootCmd.PersistentFlags().Bool("verbose", false, "Use verbose output logs")
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}
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// initConfig reads in config file and ENV variables if set.
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func initConfig() {
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if cfgFile != "" {
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// Use config file from the flag.
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viper.SetConfigFile(cfgFile)
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} else {
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// Find home directory.
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home, err := homedir.Dir()
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if err != nil {
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log.Errorf("Getting home directory failed with: %s\n", err)
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os.Exit(1)
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}
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// Search config in home directory with name ".fab" (without extension).
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viper.AddConfigPath(home)
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viper.SetConfigName(".fab")
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}
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viper.AutomaticEnv() // read in environment variables that match
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// If a config file is found, read it in.
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if err := viper.ReadInConfig(); err == nil {
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log.Debugf("Using config file: %s\n", viper.ConfigFileUsed())
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}
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}
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