83 lines
2.2 KiB
Go
83 lines
2.2 KiB
Go
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package virtualbox
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import (
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"fmt"
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"github.com/mitchellh/multistep"
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"github.com/mitchellh/packer/builder/common"
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"github.com/mitchellh/packer/packer"
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"log"
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"time"
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)
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// This step uploads a file containing the VirtualBox version, which
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// can be useful for various provisioning reasons.
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//
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// Produces:
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// guest_additions_path string - Path to the guest additions.
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type stepDownloadGuestAdditions struct{}
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func (s *stepDownloadGuestAdditions) Run(state map[string]interface{}) multistep.StepAction {
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cache := state["cache"].(packer.Cache)
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driver := state["driver"].(Driver)
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ui := state["ui"].(packer.Ui)
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version, err := driver.Version()
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if err != nil {
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state["error"] = fmt.Errorf("Error reading version for guest additions download: %s", err)
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return multistep.ActionHalt
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}
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url := fmt.Sprintf(
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"http://download.virtualbox.org/virtualbox/%s/VBoxGuestAdditions_%s.iso",
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version, version)
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log.Printf("Guest additions URL: %s", url)
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log.Printf("Acquiring lock to download the guest additions ISO.")
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cachePath := cache.Lock(url)
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defer cache.Unlock(url)
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downloadConfig := &common.DownloadConfig{
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Url: url,
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TargetPath: cachePath,
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Hash: nil,
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}
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download := common.NewDownloadClient(downloadConfig)
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downloadCompleteCh := make(chan error, 1)
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go func() {
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ui.Say("Downloading VirtualBox guest additions. Progress will be shown periodically.")
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cachePath, err = download.Get()
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downloadCompleteCh <- err
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}()
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progressTicker := time.NewTicker(5 * time.Second)
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defer progressTicker.Stop()
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DownloadWaitLoop:
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for {
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select {
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case err := <-downloadCompleteCh:
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if err != nil {
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state["error"] = fmt.Errorf("Error downloading guest additions: %s", err)
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return multistep.ActionHalt
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}
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break DownloadWaitLoop
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case <-progressTicker.C:
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ui.Message(fmt.Sprintf("Download progress: %d%%", download.PercentProgress()))
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case <-time.After(1 * time.Second):
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if _, ok := state[multistep.StateCancelled]; ok {
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ui.Say("Interrupt received. Cancelling download...")
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return multistep.ActionHalt
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}
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}
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}
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state["guest_additions_path"] = cachePath
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return multistep.ActionContinue
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}
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func (s *stepDownloadGuestAdditions) Cleanup(state map[string]interface{}) {}
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