packer-cn/builder/cloudstack/step_detach_iso.go

61 lines
1.7 KiB
Go

package cloudstack
import (
"context"
"fmt"
"time"
"github.com/hashicorp/packer/helper/multistep"
"github.com/hashicorp/packer/packer"
"github.com/xanzy/go-cloudstack/cloudstack"
)
type stepDetachIso struct{}
// Detaches currently ISO file attached to a virtual machine if any.
func (s *stepDetachIso) Run(ctx context.Context, state multistep.StateBag) multistep.StepAction {
ui := state.Get("ui").(packer.Ui)
config := state.Get("config").(*Config)
// Check if state uses iso file and has need to eject it
if !config.EjectISO || config.SourceISO == "" {
return multistep.ActionContinue
}
ui.Say("Checking attached iso...")
// Wait to make call detachIso
if config.EjectISODelay > 0 {
ui.Message(fmt.Sprintf("Waiting for %v before detaching ISO from virtual machine...", config.EjectISODelay))
time.Sleep(config.EjectISODelay)
}
client := state.Get("client").(*cloudstack.CloudStackClient)
instanceID, ok := state.Get("instance_id").(string)
if !ok || instanceID == "" {
err := fmt.Errorf("Could not retrieve instance_id from state")
state.Put("error", err)
ui.Error(err.Error())
return multistep.ActionHalt
}
ui.Message("Detaching iso from virtual machine...")
// Get a new DetachIsoParams and detaches Iso file from given virtualMachine instance
detachIsoParams := client.ISO.NewDetachIsoParams(instanceID)
response, err := client.ISO.DetachIso(detachIsoParams)
if err != nil || response == nil {
err := fmt.Errorf("Error detaching ISO from virtual machine: %s", err)
state.Put("error", err)
ui.Error(err.Error())
return multistep.ActionHalt
}
return multistep.ActionContinue
}
func (s *stepDetachIso) Cleanup(state multistep.StateBag) {
// Nothing to cleanup for this step.
}