def describe_volumes(self, xml_bytes):
"""Parse the XML returned by the C{DescribeVolumes} function.
@param xml_bytes: XML bytes with a C{DescribeVolumesResponse} root
element.
@return: A list of L{Volume} instances.
TODO: attachementSetItemResponseType#deleteOnTermination
"""
root = XML(xml_bytes)
result = []
for volume_data in root.find("volumeSet"):
volume_id = volume_data.findtext("volumeId")
size = int(volume_data.findtext("size"))
snapshot_id = volume_data.findtext("snapshotId")
availability_zone = volume_data.findtext("availabilityZone")
status = volume_data.findtext("status")
create_time = volume_data.findtext("createTime")
create_time = datetime.strptime(
create_time[:19], "%Y-%m-%dT%H:%M:%S")
volume = model.Volume(
volume_id, size, status, create_time, availability_zone,
snapshot_id)
result.append(volume)
for attachment_data in volume_data.find("attachmentSet"):
instance_id = attachment_data.findtext("instanceId")
device = attachment_data.findtext("device")
status = attachment_data.findtext("status")
attach_time = attachment_data.findtext("attachTime")
attach_time = datetime.strptime(
attach_time[:19], "%Y-%m-%dT%H:%M:%S")
attachment = model.Attachment(
instance_id, device, status, attach_time)
volume.attachments.append(attachment)
return result
def _parse_describe_volumes(self, xml_bytes):
root = XML(xml_bytes)
result = []
for volume_data in root.find("volumeSet"):
volume_id = volume_data.findtext("volumeId")
size = int(volume_data.findtext("size"))
status = volume_data.findtext("status")
availability_zone = volume_data.findtext("availabilityZone")
snapshot_id = volume_data.findtext("snapshotId")
create_time = volume_data.findtext("createTime")
create_time = datetime.strptime(create_time[:19],
"%Y-%m-%dT%H:%M:%S")
volume = model.Volume(volume_id, size, status, create_time,
availability_zone, snapshot_id)
result.append(volume)
for attachment_data in volume_data.find("attachmentSet"):
instance_id = attachment_data.findtext("instanceId")
status = attachment_data.findtext("status")
device = attachment_data.findtext("device")
attach_time = attachment_data.findtext("attachTime")
attach_time = datetime.strptime(attach_time[:19],
"%Y-%m-%dT%H:%M:%S")
attachment = model.Attachment(instance_id, device, status,
attach_time)
volume.attachments.append(attachment)
return result
def _parse_create_volume(self, xml_bytes):
root = XML(xml_bytes)
volume_id = root.findtext("volumeId")
size = int(root.findtext("size"))
status = root.findtext("status")
create_time = root.findtext("createTime")
availability_zone = root.findtext("availabilityZone")
snapshot_id = root.findtext("snapshotId")
create_time = datetime.strptime(create_time[:19], "%Y-%m-%dT%H:%M:%S")
volume = model.Volume(volume_id, size, status, create_time,
availability_zone, snapshot_id)
return volume
def create_volume(self, xml_bytes):
"""Parse the XML returned by the C{CreateVolume} function.
@param xml_bytes: XML bytes with a C{CreateVolumeResponse} root
element.
@return: The L{Volume} instance created.
"""
root = XML(xml_bytes)
volume_id = root.findtext("volumeId")
size = int(root.findtext("size"))
status = root.findtext("status")
create_time = root.findtext("createTime")
availability_zone = root.findtext("availabilityZone")
snapshot_id = root.findtext("snapshotId")
create_time = datetime.strptime(create_time[:19], "%Y-%m-%dT%H:%M:%S")
volume = model.Volume(volume_id, size, status, create_time,
availability_zone, snapshot_id)
return volume