import logging
import os
-from neutronclient.common.utils import str2bool
from novaclient.exceptions import NotFound
from snaps import file_utils
+from snaps.config.keypair import KeypairConfig
+from snaps.openstack.openstack_creator import OpenStackComputeObject
from snaps.openstack.utils import nova_utils
__author__ = 'spisarski'
logger = logging.getLogger('OpenStackKeypair')
-class OpenStackKeypair:
+class OpenStackKeypair(OpenStackComputeObject):
"""
- Class responsible for creating a keypair in OpenStack
+ Class responsible for managing a keypair in OpenStack
"""
def __init__(self, os_creds, keypair_settings):
"""
Constructor - all parameters are required
:param os_creds: The credentials to connect with OpenStack
- :param keypair_settings: The settings used to create a keypair
+ :param keypair_settings: a KeypairConfig object
"""
- self.__nova = None
- self.__os_creds = os_creds
+ super(self.__class__, self).__init__(os_creds)
+
self.keypair_settings = keypair_settings
- self.__nova = nova_utils.nova_client(os_creds)
self.__delete_keys_on_clean = True
# Attributes instantiated on create()
self.__keypair = None
- def create(self, cleanup=False):
+ def initialize(self):
"""
- Responsible for creating the keypair object.
- :param cleanup: Denotes whether or not this is being called for cleanup
- or not
+ Loads the existing OpenStack Keypair
+ :return: The Keypair domain object or None
"""
- self.__nova = nova_utils.nova_client(self.__os_creds)
+ super(self.__class__, self).initialize()
+
+ try:
+ self.__keypair = nova_utils.get_keypair_by_name(
+ self._nova, self.keypair_settings.name)
+ return self.__keypair
+ except Exception as e:
+ logger.warn('Cannot load existing keypair - %s', e)
- logger.info('Creating keypair %s...' % self.keypair_settings.name)
+ def create(self):
+ """
+ Responsible for creating the keypair object.
+ :return: The Keypair domain object or None
+ """
+ self.initialize()
- self.__keypair = nova_utils.get_keypair_by_name(
- self.__nova, self.keypair_settings.name)
+ if not self.__keypair:
+ logger.info('Creating keypair %s...' % self.keypair_settings.name)
- if not self.__keypair and not cleanup:
if self.keypair_settings.public_filepath and os.path.isfile(
self.keypair_settings.public_filepath):
logger.info("Uploading existing keypair")
self.__keypair = nova_utils.upload_keypair_file(
- self.__nova, self.keypair_settings.name,
+ self._nova, self.keypair_settings.name,
self.keypair_settings.public_filepath)
if self.keypair_settings.delete_on_clean is not None:
logger.info("Creating new keypair")
keys = nova_utils.create_keys(self.keypair_settings.key_size)
self.__keypair = nova_utils.upload_keypair(
- self.__nova, self.keypair_settings.name,
+ self._nova, self.keypair_settings.name,
nova_utils.public_key_openssh(keys))
file_utils.save_keys_to_files(
keys, self.keypair_settings.public_filepath,
"""
if self.__keypair:
try:
- nova_utils.delete_keypair(self.__nova, self.__keypair)
+ nova_utils.delete_keypair(self._nova, self.__keypair)
except NotFound:
pass
self.__keypair = None
if (self.keypair_settings.public_filepath and
file_utils.file_exists(
self.keypair_settings.public_filepath)):
- os.chmod(self.keypair_settings.public_filepath, 0o777)
- os.remove(self.keypair_settings.public_filepath)
+ expanded_path = os.path.expanduser(
+ self.keypair_settings.public_filepath)
+ os.chmod(expanded_path, 0o755)
+ os.remove(expanded_path)
+ logger.info('Deleted public key file [%s]', expanded_path)
if (self.keypair_settings.private_filepath and
file_utils.file_exists(
self.keypair_settings.private_filepath)):
- os.chmod(self.keypair_settings.private_filepath, 0o777)
- os.remove(self.keypair_settings.private_filepath)
+ expanded_path = os.path.expanduser(
+ self.keypair_settings.private_filepath)
+ os.chmod(expanded_path, 0o755)
+ os.remove(expanded_path)
+ logger.info('Deleted private key file [%s]', expanded_path)
def get_keypair(self):
"""
return self.__keypair
-class KeypairSettings:
+class KeypairSettings(KeypairConfig):
"""
Class representing a keypair configuration
"""
def __init__(self, **kwargs):
- """
- Constructor - all parameters are optional
- :param name: The keypair name.
- :param public_filepath: The path to/from the filesystem where the
- public key file is or will be stored
- :param private_filepath: The path where the generated private key file
- will be stored
- :param key_size: The number of bytes for the key size when it needs to
- be generated (Must be >=512 default 1024)
- :param delete_on_clean: when True, the key files will be deleted when
- OpenStackKeypair#clean() is called
- :return:
- """
-
- self.name = kwargs.get('name')
- self.public_filepath = kwargs.get('public_filepath')
- self.private_filepath = kwargs.get('private_filepath')
- self.key_size = int(kwargs.get('key_size', 1024))
-
- if kwargs.get('delete_on_clean') is not None:
- if isinstance(kwargs.get('delete_on_clean'), bool):
- self.delete_on_clean = kwargs.get('delete_on_clean')
- else:
- self.delete_on_clean = str2bool(kwargs.get('delete_on_clean'))
- else:
- self.delete_on_clean = None
-
- if not self.name:
- raise KeypairSettingsError('Name is a required attribute')
-
- if self.key_size < 512:
- raise KeypairSettingsError('key_size must be >=512')
-
-
-class KeypairSettingsError(Exception):
- """
- Exception to be thrown when keypair settings are incorrect
- """
+ from warnings import warn
+ warn('Use snaps.config.keypair.KeypairConfig instead',
+ DeprecationWarning)
+ super(self.__class__, self).__init__(**kwargs)