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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, LXD
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,
IntegrationLxdContainerInstance,
)
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 LxdContainerCloud(IntegrationCloud):
datasource = 'lxd_container'
integration_instance_cls = IntegrationLxdContainerInstance
def _get_cloud_instance(self):
return LXD(tag='lxd-integration-test')
def _perform_launch(self, launch_kwargs):
launch_kwargs['inst_type'] = launch_kwargs.pop('instance_type', None)
launch_kwargs.pop('wait')
pycloudlib_instance = self.cloud_instance.init(
launch_kwargs.pop('name', None),
launch_kwargs.pop('image_id'),
**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
def _mount_source(self, instance):
container_path = '/usr/lib/python3/dist-packages/cloudinit'
format_variables = {
'name': instance.name,
'cloudinit_path': cloudinit.__path__[0],
'container_path': container_path,
}
log.info(
'Mounting source {cloudinit_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={cloudinit_path} '
'path={container_path}'
).format(**format_variables)
subp(command.split())
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