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https://github.com/danderson/netboot.git
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81efc36c64
The two binaries (Apache2 and GPL) both invoke the cli package to do the work, the only difference between them is that the GPL binary passes it embedded ipxe binaries.
82 lines
2.2 KiB
Go
82 lines
2.2 KiB
Go
// Copyright 2016 Google Inc.
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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 cli
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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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"go.universe.tf/netboot/pixiecore"
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)
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// CLI runs the Pixiecore commandline.
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//
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// Takes a map of ipxe bootloader binaries for various architectures.
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func CLI(ipxe map[pixiecore.Firmware][]byte) {
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s := &pixiecore.Server{
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Booter: tinycore{},
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Ipxe: ipxe,
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Log: func(msg string) { fmt.Println(msg) },
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}
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fmt.Println(s.Serve())
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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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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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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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