47 lines
1.1 KiB
Go
47 lines
1.1 KiB
Go
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package hyperone
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import (
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"context"
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"fmt"
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"log"
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"os"
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"github.com/hashicorp/packer/helper/multistep"
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"github.com/hashicorp/packer/packer"
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)
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type stepPrepareDevice struct{}
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func (s *stepPrepareDevice) Run(_ context.Context, state multistep.StateBag) multistep.StepAction {
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ui := state.Get("ui").(packer.Ui)
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chrootDiskID := state.Get("chroot_disk_id").(string)
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var err error
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log.Println("Searching for available device...")
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device, err := availableDevice(chrootDiskID)
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if err != nil {
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err := fmt.Errorf("error finding available device: %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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if _, err := os.Stat(device); err == nil {
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err := fmt.Errorf("device is in use: %s", device)
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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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ui.Say(fmt.Sprintf("Found device: %s", device))
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state.Put("device", device)
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return multistep.ActionContinue
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}
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func (s *stepPrepareDevice) Cleanup(state multistep.StateBag) {}
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func availableDevice(scsiID string) (string, error) {
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// TODO proper SCSI search
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return "/dev/sdb", nil
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}
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