104 lines
3.1 KiB
Python
104 lines
3.1 KiB
Python
# Copyright 2020 Red Hat, Inc. All rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# 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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""Validators for ``quota`` namespaced extra specs."""
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from nova.api.validation.extra_specs import base
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EXTRA_SPEC_VALIDATORS = []
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# CPU, memory, disk IO and VIF quotas (VMWare)
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for resource in ('cpu', 'memory', 'disk_io', 'vif'):
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for key, fmt in (
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('limit', int),
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('reservation', int),
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('shares_level', str),
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('shares_share', int)
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):
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EXTRA_SPEC_VALIDATORS.append(
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base.ExtraSpecValidator(
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name=f'quota:{resource}_{key}',
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description=(
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'The {} for {}. Only supported by the VMWare virt '
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'driver.'.format(' '.join(key.split('_')), resource)
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),
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value={
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'type': fmt,
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},
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)
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)
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# CPU quotas (libvirt)
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for key in ('shares', 'period', 'quota'):
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EXTRA_SPEC_VALIDATORS.append(
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base.ExtraSpecValidator(
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name=f'quota:cpu_{key}',
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description=(
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f'The quota {key} for CPU. Only supported by the libvirt '
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f'virt driver.'
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),
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value={
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'type': int,
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'min': 0,
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},
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)
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)
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# Disk quotas (libvirt, HyperV)
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for stat in ('read', 'write', 'total'):
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for metric in ('bytes', 'iops'):
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EXTRA_SPEC_VALIDATORS.append(
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base.ExtraSpecValidator(
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name=f'quota:disk_{stat}_{metric}_sec',
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# NOTE(stephenfin): HyperV supports disk_total_{metric}_sec
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# too; update
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description=(
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f'The quota {stat} {metric} for disk. Only supported '
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f'by the libvirt virt driver.'
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),
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value={
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'type': int,
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'min': 0,
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},
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)
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)
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# VIF quotas (libvirt)
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# TODO(stephenfin): Determine whether this should be deprecated now that
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# nova-network is dead
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for stat in ('inbound', 'outbound'):
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for metric in ('average', 'peak', 'burst'):
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EXTRA_SPEC_VALIDATORS.append(
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base.ExtraSpecValidator(
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name=f'quota:vif_{stat}_{metric}',
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description=(
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f'The quota {stat} {metric} for VIF. Only supported '
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f'by the libvirt virt driver.'
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),
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value={
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'type': int,
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'min': 0,
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},
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)
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)
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def register():
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return EXTRA_SPEC_VALIDATORS
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