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# This file is part of cloud-init. See LICENSE file for license information.
from abc import ABC, abstractmethod
import logging
from pycloudlib import EC2, GCE, Azure, OCI, LXDContainer, LXDVirtualMachine
from pycloudlib.lxd.instance import LXDInstance
import cloudinit
from cloudinit.subp import subp
from tests.integration_tests import integration_settings
from tests.integration_tests.instances import (
IntegrationEc2Instance,
IntegrationGceInstance,
IntegrationAzureInstance, IntegrationInstance,
IntegrationOciInstance,
IntegrationLxdInstance,
)
try:
from typing import Optional
except ImportError:
pass
log = logging.getLogger('integration_testing')
class IntegrationCloud(ABC):
datasource = None # type: Optional[str]
integration_instance_cls = IntegrationInstance
def __init__(self, settings=integration_settings):
self.settings = settings
self.cloud_instance = self._get_cloud_instance()
self.image_id = self._get_initial_image()
def emit_settings_to_log(self) -> None:
log.info(
"\n".join(
["Settings:"]
+ [
"{}={}".format(key, getattr(self.settings, key))
for key in sorted(self.settings.current_settings)
]
)
)
@abstractmethod
def _get_cloud_instance(self):
raise NotImplementedError
def _get_initial_image(self):
image_id = self.settings.OS_IMAGE
try:
image_id = self.cloud_instance.released_image(
self.settings.OS_IMAGE)
except (ValueError, IndexError):
pass
return image_id
def _perform_launch(self, launch_kwargs):
pycloudlib_instance = self.cloud_instance.launch(**launch_kwargs)
pycloudlib_instance.wait(raise_on_cloudinit_failure=False)
return pycloudlib_instance
def launch(self, user_data=None, launch_kwargs=None,
settings=integration_settings):
if self.settings.EXISTING_INSTANCE_ID:
log.info(
'Not launching instance due to EXISTING_INSTANCE_ID. '
'Instance id: %s', self.settings.EXISTING_INSTANCE_ID)
self.instance = self.cloud_instance.get_instance(
self.settings.EXISTING_INSTANCE_ID
)
return
kwargs = {
'image_id': self.image_id,
'user_data': user_data,
'wait': False,
}
if launch_kwargs:
kwargs.update(launch_kwargs)
log.info(
"Launching instance with launch_kwargs:\n{}".format(
"\n".join("{}={}".format(*item) for item in kwargs.items())
)
)
pycloudlib_instance = self._perform_launch(kwargs)
log.info('Launched instance: %s', pycloudlib_instance)
return self.get_instance(pycloudlib_instance, settings)
def get_instance(self, cloud_instance, settings=integration_settings):
return self.integration_instance_cls(self, cloud_instance, settings)
def destroy(self):
pass
def snapshot(self, instance):
return self.cloud_instance.snapshot(instance, clean=True)
class Ec2Cloud(IntegrationCloud):
datasource = 'ec2'
integration_instance_cls = IntegrationEc2Instance
def _get_cloud_instance(self):
return EC2(tag='ec2-integration-test')
class GceCloud(IntegrationCloud):
datasource = 'gce'
integration_instance_cls = IntegrationGceInstance
def _get_cloud_instance(self):
return GCE(
tag='gce-integration-test',
project=self.settings.GCE_PROJECT,
region=self.settings.GCE_REGION,
zone=self.settings.GCE_ZONE,
)
class AzureCloud(IntegrationCloud):
datasource = 'azure'
integration_instance_cls = IntegrationAzureInstance
def _get_cloud_instance(self):
return Azure(tag='azure-integration-test')
def destroy(self):
self.cloud_instance.delete_resource_group()
class OciCloud(IntegrationCloud):
datasource = 'oci'
integration_instance_cls = IntegrationOciInstance
def _get_cloud_instance(self):
return OCI(
tag='oci-integration-test',
compartment_id=self.settings.OCI_COMPARTMENT_ID
)
class _LxdIntegrationCloud(IntegrationCloud):
integration_instance_cls = IntegrationLxdInstance
def _get_cloud_instance(self):
return self.pycloudlib_instance_cls(tag=self.instance_tag)
@staticmethod
def _get_or_set_profile_list(release):
return None
@staticmethod
def _mount_source(instance: LXDInstance):
target_path = '/usr/lib/python3/dist-packages/cloudinit'
format_variables = {
'name': instance.name,
'source_path': cloudinit.__path__[0],
'container_path': target_path,
}
log.info(
'Mounting source {source_path} directly onto LXD container/vm '
'named {name} at {container_path}'.format(**format_variables))
command = (
'lxc config device add {name} host-cloud-init disk '
'source={source_path} '
'path={container_path}'
).format(**format_variables)
subp(command.split())
def _perform_launch(self, launch_kwargs):
launch_kwargs['inst_type'] = launch_kwargs.pop('instance_type', None)
launch_kwargs.pop('wait')
release = launch_kwargs.pop('image_id')
try:
profile_list = launch_kwargs['profile_list']
except KeyError:
profile_list = self._get_or_set_profile_list(release)
pycloudlib_instance = self.cloud_instance.init(
launch_kwargs.pop('name', None),
release,
profile_list=profile_list,
**launch_kwargs
)
if self.settings.CLOUD_INIT_SOURCE == 'IN_PLACE':
self._mount_source(pycloudlib_instance)
pycloudlib_instance.start(wait=False)
pycloudlib_instance.wait(raise_on_cloudinit_failure=False)
return pycloudlib_instance
class LxdContainerCloud(_LxdIntegrationCloud):
datasource = 'lxd_container'
pycloudlib_instance_cls = LXDContainer
instance_tag = 'lxd-container-integration-test'
class LxdVmCloud(_LxdIntegrationCloud):
datasource = 'lxd_vm'
pycloudlib_instance_cls = LXDVirtualMachine
instance_tag = 'lxd-vm-integration-test'
_profile_list = None
def _get_or_set_profile_list(self, release):
if self._profile_list:
return self._profile_list
self._profile_list = self.cloud_instance.build_necessary_profiles(
release)
return self._profile_list
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