61 lines
1.4 KiB
Go
61 lines
1.4 KiB
Go
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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"regexp"
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"strings"
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)
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type stepPublish struct{}
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func (s *stepPublish) Run(state multistep.StateBag) multistep.StepAction {
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var stdout, stderr bytes.Buffer
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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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args := []string{
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// If we use `lxc stop <container>`, an ephemeral container would die forever.
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// `lxc publish` has special logic to handle this case.
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"lxc", "publish", "--force", name, "--alias", config.OutputImage,
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}
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ui.Say("Publishing container...")
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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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if err != nil {
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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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r := regexp.MustCompile("([0-9a-fA-F]+)$")
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fingerprint := r.FindAllStringSubmatch(stdoutString, -1)[0][0]
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ui.Say(fmt.Sprintf("Created image: %s", fingerprint))
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state.Put("imageFingerprint", fingerprint)
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return multistep.ActionContinue
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}
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func (s *stepPublish) Cleanup(state multistep.StateBag) {}
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