func resourceCloudStackDiskDetach()

in cloudstack/resource_cloudstack_disk.go [350:392]

• 25 lines of code
• 8 McCabe index (conditional complexity)

func resourceCloudStackDiskDetach(d *schema.ResourceData, meta interface{}) error {
	cs := meta.(*cloudstack.CloudStackClient)

	// Check if the volume is actually attached, before detaching
	if attached, err := isAttached(d, meta); err != nil || !attached {
		return err
	}

	// Create a new parameter struct
	p := cs.Volume.NewDetachVolumeParams()

	// Set the volume ID
	p.SetId(d.Id())

	// Detach the currently attached volume
	_, err := cs.Volume.DetachVolume(p)
	if err != nil {
		if virtualmachineid, ok := d.GetOk("virtual_machine_id"); ok {
			// Create a new parameter struct
			pd := cs.VirtualMachine.NewStopVirtualMachineParams(virtualmachineid.(string))

			// Stop the virtual machine in order to be able to detach the disk
			if _, err := cs.VirtualMachine.StopVirtualMachine(pd); err != nil {
				return err
			}

			// Try again to detach the currently attached volume
			if _, err := cs.Volume.DetachVolume(p); err != nil {
				return err
			}

			// Create a new parameter struct
			pu := cs.VirtualMachine.NewStartVirtualMachineParams(virtualmachineid.(string))

			// Start the virtual machine again
			if _, err := cs.VirtualMachine.StartVirtualMachine(pu); err != nil {
				return err
			}
		}
	}

	return err
}