def _CreatePlacementGroup(self, placement_group_spec, cloud):
"""Create a placement group in zone.
Args:
placement_group_spec: A placement_group.BasePlacementGroupSpec object.
cloud: The cloud for the placement group.
See the flag of the same name for more information.
Returns:
A placement_group.BasePlacementGroup object.
"""
placement_group_class = placement_group.GetPlacementGroupClass(cloud)
if placement_group_class:
return placement_group_class(placement_group_spec)
else:
return None
def CreateAwsPlacementGroup(group_style=STRATEGY):
placement_group_class = placement_group.GetPlacementGroupClass(CLOUD)
return placement_group_class(CreateAwsPlacementGroupSpec(group_style))
