def test_mapping_prepend_dev(self):
mappings = [
{'virtual': 'ami',
'device': 'sda1'},
{'virtual': 'root',
'device': '/dev/sda1'},
{'virtual': 'swap',
'device': 'sdb1'},
{'virtual': 'swap',
'device': '/dev/sdb2'},
{'virtual': 'ephemeral0',
'device': 'sdc1'},
{'virtual': 'ephemeral1',
'device': '/dev/sdc1'}]
expected_result = [
{'virtual': 'ami',
'device': 'sda1'},
{'virtual': 'root',
'device': '/dev/sda1'},
{'virtual': 'swap',
'device': '/dev/sdb1'},
{'virtual': 'swap',
'device': '/dev/sdb2'},
{'virtual': 'ephemeral0',
'device': '/dev/sdc1'},
{'virtual': 'ephemeral1',
'device': '/dev/sdc1'}]
self.assertDictListMatch(ec2utils.mappings_prepend_dev(mappings),
expected_result)
def test_mapping_prepend_dev(self):
mappings = [
{'virtual': 'ami',
'device': 'sda1'},
{'virtual': 'root',
'device': '/dev/sda1'},
{'virtual': 'swap',
'device': 'sdb1'},
{'virtual': 'swap',
'device': '/dev/sdb2'},
{'virtual': 'ephemeral0',
'device': 'sdc1'},
{'virtual': 'ephemeral1',
'device': '/dev/sdc1'}]
expected_result = [
{'virtual': 'ami',
'device': 'sda1'},
{'virtual': 'root',
'device': '/dev/sda1'},
{'virtual': 'swap',
'device': '/dev/sdb1'},
{'virtual': 'swap',
'device': '/dev/sdb2'},
{'virtual': 'ephemeral0',
'device': '/dev/sdc1'},
{'virtual': 'ephemeral1',
'device': '/dev/sdc1'}]
self.assertDictListMatch(ec2utils.mappings_prepend_dev(mappings),
expected_result)
def _update_image_block_device_mapping(self, elevated_context, instance_id,
mappings):
"""tell vm driver to create ephemeral/swap device at boot time by
updating BlockDeviceMapping
"""
for bdm in ec2utils.mappings_prepend_dev(mappings):
LOG.debug(_("bdm %s"), bdm)
virtual_name = bdm['virtual']
if virtual_name == 'ami' or virtual_name == 'root':
continue
assert (virtual_name == 'swap' or
virtual_name.startswith('ephemeral'))
values = {
'instance_id': instance_id,
'device_name': bdm['device'],
'virtual_name': virtual_name, }
self.db.block_device_mapping_update_or_create(elevated_context,
values)
