from novaclient.exceptions import NotFound
+from snaps.config.flavor import FlavorConfig
+from snaps.openstack.openstack_creator import OpenStackComputeObject
from snaps.openstack.utils import nova_utils
__author__ = 'spisarski'
-logger = logging.getLogger('create_image')
+logger = logging.getLogger('create_flavor')
-DEFAULT_METADATA = {'hw:mem_page_size': 'any'}
+MEM_PAGE_SIZE_ANY = {'hw:mem_page_size': 'any'}
+MEM_PAGE_SIZE_LARGE = {'hw:mem_page_size': 'large'}
-class OpenStackFlavor:
+class OpenStackFlavor(OpenStackComputeObject):
"""
Class responsible for creating a user in OpenStack
"""
"""
Constructor
:param os_creds: The OpenStack connection credentials
- :param flavor_settings: The flavor settings
+ :param flavor_settings: a FlavorConfig instance
:return:
"""
- self.__os_creds = os_creds
+ super(self.__class__, self).__init__(os_creds)
+
self.flavor_settings = flavor_settings
self.__flavor = None
- self.__nova = nova_utils.nova_client(self.__os_creds)
- def create(self, cleanup=False):
+ def initialize(self):
+ """
+ Loads the existing OpenStack flavor
+ :return: The Flavor domain object or None
+ """
+ super(self.__class__, self).initialize()
+
+ self.__flavor = nova_utils.get_flavor_by_name(
+ self._nova, self.flavor_settings.name)
+ if self.__flavor:
+ logger.info('Found flavor with name - %s',
+ self.flavor_settings.name)
+ return self.__flavor
+
+ def create(self):
"""
Creates the image in OpenStack if it does not already exist
- :param cleanup: Denotes whether or not this is being called for cleanup or not
:return: The OpenStack flavor object
"""
- self.__flavor = nova_utils.get_flavor_by_name(self.__nova, self.flavor_settings.name)
- if self.__flavor:
- logger.info('Found flavor with name - ' + self.flavor_settings.name)
- elif not cleanup:
- self.__flavor = nova_utils.create_flavor(self.__nova, self.flavor_settings)
+ self.initialize()
+ if not self.__flavor:
+ self.__flavor = nova_utils.create_flavor(
+ self._nova, self.flavor_settings)
if self.flavor_settings.metadata:
- self.__flavor.set_keys(self.flavor_settings.metadata)
- self.__flavor = nova_utils.get_flavor_by_name(self.__nova, self.flavor_settings.name)
+ nova_utils.set_flavor_keys(self._nova, self.__flavor,
+ self.flavor_settings.metadata)
else:
logger.info('Did not create flavor due to cleanup mode')
"""
if self.__flavor:
try:
- nova_utils.delete_flavor(self.__nova, self.__flavor)
+ nova_utils.delete_flavor(self._nova, self.__flavor)
except NotFound:
pass
return self.__flavor
-class FlavorSettings:
+class FlavorSettings(FlavorConfig):
"""
Configuration settings for OpenStack flavor creation
"""
- def __init__(self, config=None, name=None, flavor_id='auto', ram=None, disk=None, vcpus=None, ephemeral=0, swap=0,
- rxtx_factor=1.0, is_public=True, metadata=DEFAULT_METADATA):
- """
- Constructor
- :param config: dict() object containing the configuration settings using the attribute names below as each
- member's the key and overrides any of the other parameters.
- :param name: the flavor's name (required)
- :param flavor_id: the string ID (default 'auto')
- :param ram: the required RAM in MB (required)
- :param disk: the size of the root disk in GB (required)
- :param vcpus: the number of virtual CPUs (required)
- :param ephemeral: the size of the ephemeral disk in GB (default 0)
- :param swap: the size of the dedicated swap disk in GB (default 0)
- :param rxtx_factor: the receive/transmit factor to be set on ports if backend supports
- QoS extension (default 1.0)
- :param is_public: denotes whether or not the flavor is public (default True)
- :param metadata: freeform dict() for special metadata (default hw:mem_page_size=any)
- """
-
- if config:
- self.name = config.get('name')
-
- if config.get('flavor_id'):
- self.flavor_id = config['flavor_id']
- else:
- self.flavor_id = flavor_id
-
- self.ram = config.get('ram')
- self.disk = config.get('disk')
- self.vcpus = config.get('vcpus')
-
- if config.get('ephemeral'):
- self.ephemeral = config['ephemeral']
- else:
- self.ephemeral = ephemeral
-
- if config.get('swap'):
- self.swap = config['swap']
- else:
- self.swap = swap
-
- if config.get('rxtx_factor'):
- self.rxtx_factor = config['rxtx_factor']
- else:
- self.rxtx_factor = rxtx_factor
-
- if config.get('is_public') is not None:
- self.is_public = config['is_public']
- else:
- self.is_public = is_public
-
- if config.get('metadata'):
- self.metadata = config['metadata']
- else:
- self.metadata = metadata
- else:
- self.name = name
- self.flavor_id = flavor_id
- self.ram = ram
- self.disk = disk
- self.vcpus = vcpus
- self.ephemeral = ephemeral
- self.swap = swap
- self.rxtx_factor = rxtx_factor
- self.is_public = is_public
- self.metadata = metadata
-
- if not self.name or not self.ram or not self.disk or not self.vcpus:
- raise Exception('The attributes name, ram, disk, and vcpus are required for FlavorSettings')
-
- if not isinstance(self.ram, int):
- raise Exception('The ram attribute must be a integer')
-
- if not isinstance(self.disk, int):
- raise Exception('The ram attribute must be a integer')
-
- if not isinstance(self.vcpus, int):
- raise Exception('The vcpus attribute must be a integer')
-
- if self.ephemeral and not isinstance(self.ephemeral, int):
- raise Exception('The ephemeral attribute must be an integer')
-
- if self.swap and not isinstance(self.swap, int):
- raise Exception('The swap attribute must be an integer')
-
- if self.rxtx_factor and not isinstance(self.rxtx_factor, (int, float)):
- raise Exception('The is_public attribute must be an integer or float')
-
- if self.is_public and not isinstance(self.is_public, bool):
- raise Exception('The is_public attribute must be a boolean')
+ def __init__(self, **kwargs):
+ from warnings import warn
+ warn('Use snaps.config.flavor.FlavorConfig instead',
+ DeprecationWarning)
+ super(self.__class__, self).__init__(**kwargs)