99 lines
3.1 KiB
Go
99 lines
3.1 KiB
Go
// Sofaraum client is the client software which collects statistics about
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// wifi devices nearby and then sends them to the Sofaraum Server.
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// Copyright (c) 2018.
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//
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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 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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//
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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 General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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package cmd
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import (
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"fmt"
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"os"
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"strings"
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"github.com/mitchellh/go-homedir"
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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: "sofa",
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Short: "The sofaraum client which collects statistics and sends them to a sofaraum server",
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Long: `The sofaraum client which collects statistics about nearby wifi devices and sends them to a sofaraum server.
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Find more information on sofaraum.de`,
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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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cobra.OnInitialize(initConfig)
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// Global flag
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rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.sofad.yaml or the directory of the binary)")
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rootCmd.PersistentFlags().StringP("serverurl", "s", "", "The server url where the client will send the data to")
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viper.BindPFlag("server.serverurl", rootCmd.Flags().Lookup("serverurl"))
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rootCmd.PersistentFlags().StringP("privatekey", "k", "", "The location of the private key which will be used to authenticate against the server")
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viper.BindPFlag("server.privatekey", rootCmd.Flags().Lookup("privatekey"))
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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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fmt.Println(err)
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os.Exit(1)
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}
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viper.AddConfigPath(home)
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viper.SetConfigName(".sofad")
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}
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viper.AddConfigPath(".")
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viper.SetConfigName("sofad.yml")
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// Init checking for environment variables
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viper.SetEnvPrefix("sofa")
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viper.SetEnvKeyReplacer(strings.NewReplacer(".", "_"))
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viper.AutomaticEnv()
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// Set default configs
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// Daemon
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viper.SetDefault("daemon.csvlocation", "")
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viper.SetDefault("daemon.wifidevice", "wlan0")
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// Server
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viper.SetDefault("server.url", "")
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viper.SetDefault("server.privatekey", "")
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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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fmt.Println("Using config file:", viper.ConfigFileUsed())
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}
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}
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