410 lines
15 KiB
Python
410 lines
15 KiB
Python
# Copyright (C) 2011-2013 OpenStack Foundation
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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#
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import math
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import voluptuous as v
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from nodepool.driver import ProviderConfig
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from nodepool.driver import ConfigValue
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from nodepool.driver import ConfigPool
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class ProviderDiskImage(ConfigValue):
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def __init__(self):
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self.name = None
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self.pause = False
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self.config_drive = None
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self.connection_type = None
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self.connection_port = None
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self.meta = None
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def __eq__(self, other):
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if isinstance(other, ProviderDiskImage):
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return (self.name == other.name and
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self.pause == other.pause and
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self.config_drive == other.config_drive and
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self.connection_type == other.connection_type and
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self.connection_port == other.connection_port and
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self.meta == other.meta)
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return False
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def __repr__(self):
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return "<ProviderDiskImage %s>" % self.name
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class ProviderCloudImage(ConfigValue):
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def __init__(self):
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self.name = None
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self.config_drive = None
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self.image_id = None
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self.image_name = None
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self.username = None
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self.connection_type = None
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self.connection_port = None
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def __eq__(self, other):
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if isinstance(other, ProviderCloudImage):
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return (self.name == other.name and
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self.config_drive == other.config_drive and
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self.image_id == other.image_id and
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self.image_name == other.image_name and
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self.username == other.username and
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self.connection_type == other.connection_type and
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self.connection_port == other.connection_port)
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return False
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def __repr__(self):
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return "<ProviderCloudImage %s>" % self.name
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@property
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def external_name(self):
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'''Human readable version of external.'''
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return self.image_id or self.image_name or self.name
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class ProviderLabel(ConfigValue):
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def __init__(self):
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self.name = None
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self.diskimage = None
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self.cloud_image = None
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self.min_ram = None
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self.flavor_name = None
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self.key_name = None
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self.console_log = False
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self.boot_from_volume = False
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self.volume_size = None
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self.instance_properties = None
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# The ProviderPool object that owns this label.
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self.pool = None
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def __eq__(self, other):
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if isinstance(other, ProviderLabel):
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# NOTE(Shrews): We intentionally do not compare 'pool' here
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# since this causes recursive checks with ProviderPool.
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return (other.diskimage == self.diskimage and
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other.cloud_image == self.cloud_image and
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other.min_ram == self.min_ram and
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other.flavor_name == self.flavor_name and
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other.key_name == self.key_name and
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other.name == self.name and
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other.console_log == self.console_log and
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other.boot_from_volume == self.boot_from_volume and
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other.volume_size == self.volume_size and
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other.instance_properties == self.instance_properties)
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return False
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def __repr__(self):
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return "<ProviderLabel %s>" % self.name
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class ProviderPool(ConfigPool):
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def __init__(self):
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self.name = None
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self.max_cores = None
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self.max_ram = None
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self.ignore_provider_quota = False
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self.azs = None
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self.networks = None
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self.security_groups = None
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self.auto_floating_ip = True
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self.host_key_checking = True
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self.labels = None
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# The OpenStackProviderConfig object that owns this pool.
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self.provider = None
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# Initialize base class attributes
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super().__init__()
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def __eq__(self, other):
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if isinstance(other, ProviderPool):
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# NOTE(Shrews): We intentionally do not compare 'provider' here
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# since this causes recursive checks with OpenStackProviderConfig.
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return (super().__eq__(other) and
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other.name == self.name and
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other.max_cores == self.max_cores and
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other.max_ram == self.max_ram and
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other.ignore_provider_quota == (
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self.ignore_provider_quota) and
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other.azs == self.azs and
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other.networks == self.networks and
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other.security_groups == self.security_groups and
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other.auto_floating_ip == self.auto_floating_ip and
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other.host_key_checking == self.host_key_checking and
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other.labels == self.labels)
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return False
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def __repr__(self):
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return "<ProviderPool %s>" % self.name
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def load(self, pool_config, full_config, provider):
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'''
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Load pool configuration options.
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:param dict pool_config: A single pool config section from which we
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will load the values.
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:param dict full_config: The full nodepool config.
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:param OpenStackProviderConfig: The calling provider object.
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'''
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super().load(pool_config)
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self.provider = provider
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self.name = pool_config['name']
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self.max_cores = pool_config.get('max-cores', math.inf)
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self.max_ram = pool_config.get('max-ram', math.inf)
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self.ignore_provider_quota = pool_config.get('ignore-provider-quota',
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False)
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self.azs = pool_config.get('availability-zones')
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self.networks = pool_config.get('networks', [])
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self.security_groups = pool_config.get('security-groups', [])
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self.auto_floating_ip = bool(pool_config.get('auto-floating-ip', True))
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self.host_key_checking = bool(pool_config.get('host-key-checking',
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True))
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for label in pool_config.get('labels', []):
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pl = ProviderLabel()
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pl.name = label['name']
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pl.pool = self
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self.labels[pl.name] = pl
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diskimage = label.get('diskimage', None)
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if diskimage:
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pl.diskimage = full_config.diskimages[diskimage]
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else:
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pl.diskimage = None
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cloud_image_name = label.get('cloud-image', None)
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if cloud_image_name:
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cloud_image = provider.cloud_images.get(cloud_image_name, None)
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if not cloud_image:
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raise ValueError(
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"cloud-image %s does not exist in provider %s"
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" but is referenced in label %s" %
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(cloud_image_name, self.name, pl.name))
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else:
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cloud_image = None
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pl.cloud_image = cloud_image
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pl.min_ram = label.get('min-ram', 0)
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pl.flavor_name = label.get('flavor-name', None)
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pl.key_name = label.get('key-name')
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pl.console_log = label.get('console-log', False)
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pl.boot_from_volume = bool(label.get('boot-from-volume',
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False))
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pl.volume_size = label.get('volume-size', 50)
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pl.instance_properties = label.get('instance-properties',
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None)
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top_label = full_config.labels[pl.name]
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top_label.pools.append(self)
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class OpenStackProviderConfig(ProviderConfig):
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def __init__(self, driver, provider):
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self.driver_object = driver
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self.__pools = {}
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self.cloud_config = None
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self.image_type = None
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self.rate = None
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self.boot_timeout = None
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self.launch_timeout = None
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self.clean_floating_ips = None
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self.diskimages = {}
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self.cloud_images = {}
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self.hostname_format = None
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self.image_name_format = None
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super().__init__(provider)
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def __eq__(self, other):
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if isinstance(other, OpenStackProviderConfig):
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return (super().__eq__(other) and
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other.cloud_config == self.cloud_config and
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other.pools == self.pools and
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other.image_type == self.image_type and
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other.rate == self.rate and
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other.boot_timeout == self.boot_timeout and
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other.launch_timeout == self.launch_timeout and
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other.clean_floating_ips == self.clean_floating_ips and
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other.diskimages == self.diskimages and
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other.cloud_images == self.cloud_images)
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return False
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def _cloudKwargs(self):
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cloud_kwargs = {}
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for arg in ['region-name', 'cloud']:
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if arg in self.provider:
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cloud_kwargs[arg] = self.provider[arg]
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return cloud_kwargs
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@property
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def pools(self):
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return self.__pools
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@property
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def manage_images(self):
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return True
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def load(self, config):
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cloud_kwargs = self._cloudKwargs()
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openstack_config = self.driver_object.openstack_config
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self.cloud_config = openstack_config.get_one(**cloud_kwargs)
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self.image_type = self.cloud_config.config['image_format']
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self.region_name = self.provider.get('region-name')
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self.rate = float(self.provider.get('rate', 1.0))
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self.boot_timeout = self.provider.get('boot-timeout', 60)
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self.launch_timeout = self.provider.get('launch-timeout', 3600)
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self.launch_retries = self.provider.get('launch-retries', 3)
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self.clean_floating_ips = self.provider.get('clean-floating-ips')
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self.hostname_format = self.provider.get(
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'hostname-format',
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'{label.name}-{provider.name}-{node.id}'
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)
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self.image_name_format = self.provider.get(
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'image-name-format',
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'{image_name}-{timestamp}'
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)
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default_port_mapping = {
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'ssh': 22,
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'winrm': 5986,
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}
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for image in self.provider.get('diskimages', []):
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i = ProviderDiskImage()
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i.name = image['name']
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self.diskimages[i.name] = i
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diskimage = config.diskimages[i.name]
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diskimage.image_types.add(self.image_type)
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i.pause = bool(image.get('pause', False))
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i.config_drive = image.get('config-drive', None)
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i.connection_type = image.get('connection-type', 'ssh')
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i.connection_port = image.get(
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'connection-port',
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default_port_mapping.get(i.connection_type, 22))
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# This dict is expanded and used as custom properties when
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# the image is uploaded.
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i.meta = image.get('meta', {})
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# 5 elements, and no key or value can be > 255 chars
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# per Nova API rules
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if i.meta:
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if len(i.meta) > 5 or \
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any([len(k) > 255 or len(v) > 255
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for k, v in i.meta.items()]):
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# soft-fail
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# self.log.error("Invalid metadata for %s; ignored"
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# % i.name)
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i.meta = {}
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for image in self.provider.get('cloud-images', []):
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i = ProviderCloudImage()
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i.name = image['name']
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i.config_drive = image.get('config-drive', None)
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i.image_id = image.get('image-id', None)
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i.image_name = image.get('image-name', None)
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i.username = image.get('username', None)
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i.connection_type = image.get('connection-type', 'ssh')
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i.connection_port = image.get(
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'connection-port',
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default_port_mapping.get(i.connection_type, 22))
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self.cloud_images[i.name] = i
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for pool in self.provider.get('pools', []):
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pp = ProviderPool()
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pp.load(pool, config, self)
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self.pools[pp.name] = pp
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def getSchema(self):
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provider_diskimage = {
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'name': str,
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'pause': bool,
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'meta': dict,
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'config-drive': bool,
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'connection-type': str,
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'connection-port': int,
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}
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provider_cloud_images = {
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'name': str,
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'config-drive': bool,
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'connection-type': str,
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'connection-port': int,
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v.Exclusive('image-id', 'cloud-image-name-or-id'): str,
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v.Exclusive('image-name', 'cloud-image-name-or-id'): str,
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'username': str,
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}
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pool_label_main = {
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v.Required('name'): str,
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v.Exclusive('diskimage', 'label-image'): str,
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v.Exclusive('cloud-image', 'label-image'): str,
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'min-ram': int,
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'flavor-name': str,
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'key-name': str,
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'console-log': bool,
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'boot-from-volume': bool,
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'volume-size': int,
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'instance-properties': dict,
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}
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label_min_ram = v.Schema({v.Required('min-ram'): int}, extra=True)
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label_flavor_name = v.Schema({v.Required('flavor-name'): str},
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extra=True)
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label_diskimage = v.Schema({v.Required('diskimage'): str}, extra=True)
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label_cloud_image = v.Schema({v.Required('cloud-image'): str},
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extra=True)
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pool_label = v.All(pool_label_main,
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v.Any(label_min_ram, label_flavor_name),
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v.Any(label_diskimage, label_cloud_image))
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pool = ConfigPool.getCommonSchemaDict()
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pool.update({
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'name': str,
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'networks': [str],
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'auto-floating-ip': bool,
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'host-key-checking': bool,
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'ignore-provider-quota': bool,
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'max-cores': int,
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'max-ram': int,
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'labels': [pool_label],
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'availability-zones': [str],
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'security-groups': [str]
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})
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return v.Schema({
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'region-name': str,
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v.Required('cloud'): str,
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'boot-timeout': int,
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'launch-timeout': int,
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'launch-retries': int,
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'nodepool-id': str,
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'rate': v.Coerce(float),
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'hostname-format': str,
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'image-name-format': str,
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'clean-floating-ips': bool,
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'pools': [pool],
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'diskimages': [provider_diskimage],
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'cloud-images': [provider_cloud_images],
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})
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def getSupportedLabels(self, pool_name=None):
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labels = set()
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for pool in self.pools.values():
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if not pool_name or (pool.name == pool_name):
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labels.update(pool.labels.keys())
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return labels
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