def create_from_volume_id(cls, region_name, volume_id, name):
vol = None
ec2 = fcu_boto.ec2.connect_to_region(region_name)
rs = ec2.get_all_volumes([volume_id])
if len(rs) == 1:
v = rs[0]
vol = cls()
vol.volume_id = v.id
vol.name = name
vol.region_name = v.region.name
vol.zone_name = v.zone
vol.put()
return vol
def create_from_snapshot(self, name, snapshot, size=None):
if size < self.size:
size = self.size
ec2 = self.get_ec2_connection()
if self.zone_name is None or self.zone_name == '':
# deal with the migration case where the zone is not set in the logical volume:
current_volume = ec2.get_all_volumes([self.volume_id])[0]
self.zone_name = current_volume.zone
ebs_volume = ec2.create_volume(size, self.zone_name, snapshot)
v = Volume()
v.ec2 = self.ec2
v.volume_id = ebs_volume.id
v.name = name
v.mount_point = self.mount_point
v.device = self.device
v.region_name = self.region_name
v.zone_name = self.zone_name
v.put()
return v
def _size(self):
if not hasattr(self, '__size'):
ec2 = self.get_ec2_connection()
rs = ec2.get_all_volumes([self.volume_id])
self.__size = rs[0].size
return self.__size
def _attachment_state(self):
ec2 = self.get_ec2_connection()
rs = ec2.get_all_volumes([self.volume_id])
return rs[0].attachment_state()
def create_snapshot(module, ec2, state=None, description=None, wait=None,
wait_timeout=None, volume_id=None, instance_id=None,
snapshot_id=None, device_name=None, snapshot_tags=None,
last_snapshot_min_age=None):
snapshot = None
changed = False
required = [volume_id, snapshot_id, instance_id]
if required.count(None) != len(required) - 1: # only 1 must be set
module.fail_json(msg='One and only one of volume_id or instance_id or snapshot_id must be specified')
if instance_id and not device_name or device_name and not instance_id:
module.fail_json(msg='Instance ID and device name must both be specified')
if instance_id:
try:
volumes = ec2.get_all_volumes(filters={'attachment.instance-id': instance_id, 'attachment.device': device_name})
except fcu_boto.exception.BotoServerError as e:
module.fail_json(msg = "%s: %s" % (e.error_code, e.error_message))
if not volumes:
module.fail_json(msg="Could not find volume with name %s attached to instance %s" % (device_name, instance_id))
volume_id = volumes[0].id
if state == 'absent':
if not snapshot_id:
module.fail_json(msg = 'snapshot_id must be set when state is absent')
try:
ec2.delete_snapshot(snapshot_id)
except fcu_boto.exception.BotoServerError as e:
# exception is raised if snapshot does not exist
if e.error_code == 'InvalidSnapshot.NotFound':
module.exit_json(changed=False)
else:
module.fail_json(msg = "%s: %s" % (e.error_code, e.error_message))
# successful delete
module.exit_json(changed=True)
if last_snapshot_min_age > 0:
try:
current_snapshots = ec2.get_all_snapshots(filters={'volume_id': volume_id})
except fcu_boto.exception.BotoServerError as e:
module.fail_json(msg="%s: %s" % (e.error_code, e.error_message))
last_snapshot_min_age = last_snapshot_min_age * 60 # Convert to seconds
snapshot = _get_most_recent_snapshot(current_snapshots,
max_snapshot_age_secs=last_snapshot_min_age)
try:
# Create a new snapshot if we didn't find an existing one to use
if snapshot is None:
snapshot = ec2.create_snapshot(volume_id, description=description)
changed = True
if wait:
if not _create_with_wait(snapshot, wait_timeout):
module.fail_json(msg='Timed out while creating snapshot.')
if snapshot_tags:
for k, v in snapshot_tags.items():
snapshot.add_tag(k, v)
except fcu_boto.exception.BotoServerError as e:
module.fail_json(msg="%s: %s" % (e.error_code, e.error_message))
module.exit_json(changed=changed,
snapshot_id=snapshot.id,
volume_id=snapshot.volume_id,
volume_size=snapshot.volume_size,
tags=snapshot.tags.copy())