def detach_volume(vol_id, delete=False):
EBSVol.configure_host_commands()
# find the instance and device to which the volume is mapped
instance, device = EBSVol._get_volume_attach_info(vol_id)
conn = EBSVol._ec2()
if instance is not None: # the volume is attached
EBSVol.log_debug("Detaching %s from instance %s device %r", vol_id, instance, device)
vol = EBSVol.get_volume(vol_id)
t1 = time.time()
conn.detach_volume(vol_id, instance, device)
if not CompEC2._wait_for_status_extended(vol, 'available'):
raise Exception("Volume could not be detached " + vol_id)
tdiff = int(time.time() - t1)
CompEC2.publish_stats("EBSDetachTime", "Count", tdiff)
if delete:
EBSVol.log_debug("Deleting %s", vol_id)
conn.delete_volume(vol_id)
def detach_volume(vol_id, delete=False):
EBSVol.configure_host_commands()
# find the instance and device to which the volume is mapped
instance, device = EBSVol._get_volume_attach_info(vol_id)
conn = EBSVol._ec2()
if instance is not None: # the volume is attached
EBSVol.log_debug("Detaching %s from instance %s device %r", vol_id,
instance, device)
vol = EBSVol.get_volume(vol_id)
t1 = time.time()
conn.detach_volume(vol_id, instance, device)
if not CompEC2._wait_for_status_extended(vol, 'available'):
raise Exception("Volume could not be detached " + vol_id)
tdiff = int(time.time() - t1)
CompEC2.publish_stats("EBSDetachTime", "Count", tdiff)
if delete:
EBSVol.log_debug("Deleting %s", vol_id)
conn.delete_volume(vol_id)
def _attach_free_volume(vol_id, dev_id):
conn = EBSVol._ec2()
instance_id = CompEC2.get_instance_id()
device = os.path.join('/dev', dev_id)
vol = EBSVol.get_volume(vol_id)
EBSVol.log_info("Attaching volume %s at %s", vol_id, device)
t1 = time.time()
conn.attach_volume(vol_id, instance_id, device)
if not CompEC2._wait_for_status(vol, 'in-use'):
EBSVol.log_error("Could not attach volume %s", vol_id)
raise Exception("Volume could not be attached. Volume id: " + vol_id)
if not EBSVol._wait_for_device(device):
EBSVol.log_error("Could not attach volume %s to device %s", vol_id, device)
raise Exception("Volume could not be attached. Volume id: " + vol_id + ", device: " + device)
tdiff = int(time.time() - t1)
CompEC2.publish_stats("EBSAttachTime", "Count", tdiff)
return device
def _attach_free_volume(vol_id, dev_id):
conn = EBSVol._ec2()
instance_id = CompEC2.get_instance_id()
device = os.path.join('/dev', dev_id)
vol = EBSVol.get_volume(vol_id)
EBSVol.log_info("Attaching volume %s at %s", vol_id, device)
t1 = time.time()
conn.attach_volume(vol_id, instance_id, device)
if not CompEC2._wait_for_status(vol, 'in-use'):
EBSVol.log_error("Could not attach volume %s", vol_id)
raise Exception("Volume could not be attached. Volume id: " +
vol_id)
if not EBSVol._wait_for_device(device):
EBSVol.log_error("Could not attach volume %s to device %s", vol_id,
device)
raise Exception("Volume could not be attached. Volume id: " +
vol_id + ", device: " + device)
tdiff = int(time.time() - t1)
CompEC2.publish_stats("EBSAttachTime", "Count", tdiff)
return device
