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import yaml
import io
import sys
import os
import common
from environments.libvirt_environment import LibvirtEnvironment
from environments.virtual_fuel import VirtualFuel
from dea import DeploymentEnvironmentAdapter
exec_cmd = common.exec_cmd
err = common.err
log = common.log
check_dir_exists = common.check_dir_exists
check_file_exists = common.check_file_exists
check_if_root = common.check_if_root
ArgParser = common.ArgParser
class ExecutionEnvironment(object):
def __new__(cls, storage_dir, pxe_bridge, dha_path, dea):
with io.open(dha_path) as yaml_file:
dha_struct = yaml.load(yaml_file)
type = dha_struct['adapter']
root_dir = os.path.dirname(os.path.realpath(__file__))
if cls is ExecutionEnvironment:
if type == 'libvirt':
return LibvirtEnvironment(storage_dir, dha_path, dea, root_dir)
if type == 'ipmi' or type == 'hp':
return VirtualFuel(storage_dir, pxe_bridge, dha_path, root_dir)
return super(ExecutionEnvironment, cls).__new__(cls)
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