137 lines
4.0 KiB
Go
137 lines
4.0 KiB
Go
/*
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Copyright © 2020 NAME HERE <EMAIL ADDRESS>
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package cmd
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import (
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"fmt"
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"github.com/spf13/cobra"
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"log"
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"os"
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"path"
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"path/filepath"
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"pgm/ini"
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homedir "github.com/mitchellh/go-homedir"
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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: "pgm",
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Short: "A brief description of your application",
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Long: `A longer description that spans multiple lines and likely contains
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examples and usage of using your application. For example:
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Cobra is a CLI library for Go that empowers applications.
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This application is a tool to generate the needed files
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to quickly create a Cobra application.`,
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// Uncomment the following line if your bare application
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// has an action associated with it:
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// Run: func(cmd *cobra.Command, args []string) {},
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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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fmt.Println(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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var homeDirectory string
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homeDirectory, err := os.UserHomeDir()
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if err != nil {
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log.Fatal(err)
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}
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cobra.OnInitialize(InitConfig)
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// Here you will define your flags and configuration settings.
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// Cobra supports persistent flags, which, if defined here,
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// will be global for your application.
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rootCmd.PersistentFlags().StringVar(&cfgFile, "hostCfgFile", "", "hostCfgFile file (default is $HOME/.pgm.yaml)")
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// Cobra also supports local flags, which will only run
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// when this action is called directly.
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rootCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
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customPgm := viper.GetString("pgm_home_overide")
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if len(customPgm) > 0 {
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if filepath.IsAbs(customPgm) != true {
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log.Fatal(err)
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} else {
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viper.AddConfigPath(customPgm)
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pgmDir := viper.GetString("pgm_dir")
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logsDir := viper.GetString("logs_dir")
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hostsDir := viper.GetString("hosts_dir")
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viper.SetDefault("logsDir", customPgm + "/" + logsDir)
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viper.SetDefault("pgmDir", customPgm + pgmDir)
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viper.SetDefault("hostsDir", customPgm + pgmDir + "/" + hostsDir)
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}
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}
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viper.AddConfigPath(path.Join(homeDirectory))
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viper.SetConfigName(".pgm")
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viper.SetDefault("homeDir", homeDirectory)
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err = viper.ReadInConfig()
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pgmDir := viper.GetString("pgm_home")
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logsDir := viper.GetString("logs_dir")
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hostsDir := viper.GetString("hosts_dir")
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cfgDir := viper.GetString("cfg_dir")
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viper.SetDefault("pgmDir", homeDirectory + "/" + pgmDir)
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viper.SetDefault("hostsDir", homeDirectory + "/" + pgmDir + "/" + hostsDir)
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viper.SetDefault("cfgDir", homeDirectory + "/" + pgmDir + "/" + cfgDir)
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viper.SetDefault("logsDir", homeDirectory + "/" + pgmDir + "/" + logsDir)
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}
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// initConfig reads in hostCfgFile file and ENV variables if set.
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func InitConfig() {
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if cfgFile != "" {
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// Use hostCfgFile 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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fmt.Println(err)
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os.Exit(1)
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}
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// Search hostCfgFile in home directory with name ".pgm" (without extension).
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viper.AddConfigPath(home)
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viper.SetConfigName(".pgm")
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}
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var hosts string
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var cfg string
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var logs string
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var pgm string
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hosts = viper.GetString("hostsDir")
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cfg = viper.GetString("cfgDir")
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logs = viper.GetString("logsDir")
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pgm = viper.GetString("pgmDir")
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s := []string{hosts, cfg, logs, pgm}
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ini.IsInit(s)
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viper.AutomaticEnv() // read in environment variables that match
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}
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