def ensure_vnet_lxc_environment(config):
"""
Checks and creates the LXC environment
param: dict config: The config created by get_config()
:raises RuntimeError: If unsupported OS, or missing packages
"""
# Check if there are any LXC machines in the config
if "lxc" not in [
settings.MACHINE_TYPE_PROVIDER_MAPPING[machine["type"]]
for machine in config["machines"].values()
]:
logger.debug(
"Skipping LXC environment creation, no LXC machines in config")
return
# Check if we are on a supported OS
if not check_for_supported_os(config, "lxc"):
logger.critical(
"Unable to create LXC environment on your machine, OS not supported"
)
raise RuntimeError("OS not supported for provider LXC")
# Check if all required packages have been installed
if not check_for_installed_packages(config, "lxc"):
logger.critical(
"Not all required host packages seem to be installed, please fix this before proceeding"
)
raise RuntimeError("Missing host packages")
# Check if the storage pool exists
if not check_if_lxc_storage_pool_exists(settings.LXC_STORAGE_POOL_NAME):
logger.info("VNet LXC storage pool does not exist, creating it")
create_lxc_storage_pool(name=settings.LXC_STORAGE_POOL_NAME,
driver=settings.LXC_STORAGE_POOL_DRIVER)
else:
logger.debug("VNet LXC storage pool {} found".format(
settings.LXC_STORAGE_POOL_NAME))
# Check if the profile exists
if not check_if_lxc_profile_exists(settings.LXC_VNET_PROFILE):
logger.info("VNet LXC profile does not exist, creating it")
create_vnet_lxc_profile(settings.LXC_VNET_PROFILE)
else:
logger.debug("VNet profile {} found".format(settings.LXC_VNET_PROFILE))
# Check if the base image exists
if not check_if_lxc_image_exists(settings.LXC_BASE_IMAGE_ALIAS,
by_alias=True):
logger.info("Base image does not exist, creating it")
create_lxc_base_image_container(config)
change_lxc_machine_status(settings.LXC_BASE_IMAGE_MACHINE_NAME,
status="start")
configure_lxc_base_machine(config)
create_lxc_image_from_container(settings.LXC_BASE_IMAGE_MACHINE_NAME,
alias=settings.LXC_BASE_IMAGE_ALIAS)
destroy_lxc_machine(settings.LXC_BASE_IMAGE_MACHINE_NAME, wait=False)
else:
logger.debug("Base image {} found".format(
settings.LXC_BASE_IMAGE_ALIAS))
def test_destroy_lxc_machine_does_nothing_if_machine_does_not_exist(self):
self.client.containers.get.side_effect = NotFound(response="blaap")
destroy_lxc_machine("banaan")
self.assertFalse(self.machine.delete.called)
self.assertFalse(self.machine.stop.called)
def test_destroy_lxc_machine_calls_machine_stop_when_status_is_running(
self):
self.machine.status = "Running"
destroy_lxc_machine("banaan")
self.machine.stop.assert_called_once_with(wait=True)
def test_destroy_lxc_machine_does_not_call_stop_by_default(self):
destroy_lxc_machine("banaan")
self.assertFalse(self.machine.stop.called)
def test_destroy_lxc_machine_calls_container_delete_method(self):
destroy_lxc_machine("banaan")
self.machine.delete.assert_called_once_with(wait=False)
def test_destroy_lxc_machine_calls_lxd_client(self):
destroy_lxc_machine("banaan")
self.lxd_client.assert_called_once_with()