/
root.go
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/
root.go
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// Copyright © 2018 Juliano Martinez <juliano@martinez.io>
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package cmd
import (
"fmt"
"os"
"github.com/mitchellh/go-homedir"
log "github.com/sirupsen/logrus"
"github.com/spf13/cobra"
"github.com/spf13/viper"
)
var cfgFile string
// rootCmd represents the base command when called without any subcommands
var rootCmd = &cobra.Command{
Use: "actor",
Short: "Small api to carry out actions to bmcs",
}
// Execute adds all child commands to the root command and sets flags appropriately.
// This is called by main.main(). It only needs to happen once to the rootCmd.
func Execute() {
if err := rootCmd.Execute(); err != nil {
fmt.Println(err)
os.Exit(1)
}
}
func init() {
log.SetFormatter(&log.TextFormatter{})
log.SetOutput(os.Stdout)
log.SetLevel(log.InfoLevel)
cobra.OnInitialize(initConfig)
// Here you will define your flags and configuration settings.
// Cobra supports persistent flags, which, if defined here,
// will be global for your application.
rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is {$HOME/.bmc-toolbox, /etc/bmc-toolbox}/actor.yaml)")
// Cobra also supports local flags, which will only run
// when this action is called directly.
rootCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
}
// initConfig reads in config file and ENV variables if set.
func initConfig() {
if cfgFile != "" {
// Use config file from the flag.
viper.SetConfigFile(cfgFile)
} else {
// Find home directory.
home, err := homedir.Dir()
if err != nil {
fmt.Println(err)
os.Exit(1)
}
// Search config with name "actor.yaml" in mentioned directories
viper.SetConfigName("actor")
viper.AddConfigPath(fmt.Sprintf("%s/.bmc-toolbox", home))
viper.AddConfigPath("/etc/bmc-toolbox")
}
viper.SetDefault("screenshot_storage", "/tmp/actor")
viper.AutomaticEnv() // read in environment variables that match
// If a config file hasn't been found, bail out
if err := viper.ReadInConfig(); err != nil {
fmt.Println("Unable to load a config file... I won't run")
os.Exit(1)
}
}