85 lines
2.0 KiB
Go
85 lines
2.0 KiB
Go
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package lxd
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import (
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"bytes"
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"fmt"
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"github.com/mitchellh/multistep"
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"github.com/mitchellh/packer/packer"
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"log"
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"os/exec"
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"strings"
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)
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type stepLxdLaunch struct{}
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func (s *stepLxdLaunch) Run(state multistep.StateBag) multistep.StepAction {
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config := state.Get("config").(*Config)
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ui := state.Get("ui").(packer.Ui)
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name := config.ContainerName
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image := config.Image
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remote := config.Remote
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commands := make([][]string, 1)
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if remote == "" {
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commands[0] = []string{"lxc", "launch", image, name}
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} else {
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commands[0] = []string{"lxc", "launch", fmt.Sprintf("%s:%s", remote, image), name}
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}
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//commands[0] = append(commands[0], config.Parameters...)
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// todo: wait for init to finish before moving on to provisioning instead of this
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ui.Say("Creating container...")
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for _, command := range commands {
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log.Printf("Executing sudo command: %#v", command)
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err := s.SudoCommand(command...)
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if err != nil {
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err := fmt.Errorf("Error creating container: %s", err)
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state.Put("error", err)
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ui.Error(err.Error())
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return multistep.ActionHalt
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}
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}
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//state.Put("mount_path", rootfs)
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return multistep.ActionContinue
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}
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func (s *stepLxdLaunch) Cleanup(state multistep.StateBag) {
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config := state.Get("config").(*Config)
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ui := state.Get("ui").(packer.Ui)
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command := []string{
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"lxc", "delete", "--force", config.ContainerName,
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}
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ui.Say("Unregistering and deleting deleting container...")
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if err := s.SudoCommand(command...); err != nil {
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ui.Error(fmt.Sprintf("Error deleting container: %s", err))
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}
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}
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func (s *stepLxdLaunch) SudoCommand(args ...string) error {
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var stdout, stderr bytes.Buffer
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log.Printf("Executing sudo command: %#v", args)
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cmd := exec.Command("sudo", args...)
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cmd.Stdout = &stdout
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cmd.Stderr = &stderr
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err := cmd.Run()
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stdoutString := strings.TrimSpace(stdout.String())
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stderrString := strings.TrimSpace(stderr.String())
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if _, ok := err.(*exec.ExitError); ok {
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err = fmt.Errorf("Sudo command error: %s", stderrString)
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}
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log.Printf("stdout: %s", stdoutString)
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log.Printf("stderr: %s", stderrString)
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return err
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}
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