62 lines
1.3 KiB
Go
62 lines
1.3 KiB
Go
// This is the main package for the `packer` application.
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package main
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import (
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"github.com/mitchellh/packer/packer"
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"github.com/mitchellh/packer/packer/plugin"
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"fmt"
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"io/ioutil"
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"log"
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"os"
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"os/exec"
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)
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func main() {
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if os.Getenv("PACKER_LOG") == "" {
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// If we don't have logging explicitly enabled, then disable it
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log.SetOutput(ioutil.Discard)
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} else {
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// Logging is enabled, make sure it goes to stderr
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log.SetOutput(os.Stderr)
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}
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defer plugin.CleanupClients()
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commands := map[string]string {
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"build": "packer-build",
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}
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commandKeys := make([]string, 0, len(commands))
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for k, _ := range commands {
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commandKeys = append(commandKeys, k)
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}
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envConfig := packer.DefaultEnvironmentConfig()
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envConfig.Commands = commandKeys
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envConfig.CommandFunc = func(n string) (packer.Command, error) {
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log.Printf("Loading command: %s\n", n)
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commandBin, ok := commands[n]
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if !ok {
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log.Printf("Command not found: %s\n", n)
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return nil, nil
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}
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return plugin.Command(exec.Command(commandBin))
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}
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env, err := packer.NewEnvironment(envConfig)
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if err != nil {
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fmt.Fprintf(os.Stderr, "Packer initialization error: \n\n%s\n", err)
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os.Exit(1)
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}
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exitCode, err := env.Cli(os.Args[1:])
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if err != nil {
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fmt.Fprintf(os.Stderr, "Error executing CLI: %s\n", err.Error())
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os.Exit(1)
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}
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plugin.CleanupClients()
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os.Exit(exitCode)
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}
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