mirror of
https://github.com/danderson/netboot.git
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e440f01741
This version is still *extremely* barebones, and the unstable tag in the README applies triple for it, but the code in its current state is capable of booting x86 and UEFI clients correctly, and that was hard enough to merit a snapshot checkpoint.
73 lines
2.0 KiB
Go
73 lines
2.0 KiB
Go
// Copyright © 2016 David Anderson <dave@natulte.net>
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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package cmd
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import (
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"fmt"
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"os"
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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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// This represents the base command when called without any subcommands
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var RootCmd = &cobra.Command{
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Use: "pixiecore",
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Short: "All-in-one network booting",
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Long: `Pixiecore is a tool to make network booting easy.`,
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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 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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RootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file")
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}
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func initConfig() {
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if cfgFile != "" { // enable ability to specify config file via flag
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viper.SetConfigFile(cfgFile)
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if err := viper.ReadInConfig(); err != nil {
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fmt.Printf("Error reading configuration file %q: %s\n", viper.ConfigFileUsed(), err)
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os.Exit(1)
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}
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fmt.Println("Using config file:", viper.ConfigFileUsed())
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}
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viper.SetEnvPrefix("pixiecore")
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viper.AutomaticEnv() // read in environment variables that match
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}
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func fatalf(msg string, args ...interface{}) {
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fmt.Printf(msg+"\n", args...)
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os.Exit(1)
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}
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func todo(msg string, args ...interface{}) {
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fatalf("TODO: "+msg, args...)
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}
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