def snapshot_volume(vol_id=None, dev_id=None, tag=None, description=None, wait_till_complete=True):
EBSVol.configure_host_commands()
if dev_id is not None:
vol_id = EBSVol.get_volume_id_from_device(dev_id)
if vol_id is None:
EBSVol.log_warn("No volume to snapshot. vol_id: %r, dev_id %r", vol_id, dev_id)
return
vol = EBSVol.get_volume(vol_id)
EBSVol.log_info("Creating snapshot for volume: %s", vol_id)
snap = vol.create_snapshot(description)
if wait_till_complete and (not CompEC2._wait_for_status_extended(snap, 'completed')):
raise Exception("Could not create snapshot for volume " + vol_id)
EBSVol.log_info("Created snapshot %s for volume %s", snap.id, vol_id)
if tag is not None:
EBSVol._ec2().create_tags([snap.id], {'Name': tag})
return snap.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 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 snapshot_volume(vol_id=None,
dev_id=None,
tag=None,
description=None,
wait_till_complete=True):
EBSVol.configure_host_commands()
if dev_id is not None:
vol_id = EBSVol.get_volume_id_from_device(dev_id)
if vol_id is None:
EBSVol.log_warn("No volume to snapshot. vol_id: %r, dev_id %r",
vol_id, dev_id)
return
vol = EBSVol.get_volume(vol_id)
EBSVol.log_info("Creating snapshot for volume: %s", vol_id)
snap = vol.create_snapshot(description)
if wait_till_complete and (not CompEC2._wait_for_status_extended(
snap, 'completed')):
raise Exception("Could not create snapshot for volume " + vol_id)
EBSVol.log_info("Created snapshot %s for volume %s", snap.id, vol_id)
if tag is not None:
EBSVol._ec2().create_tags([snap.id], {'Name': tag})
return snap.id
