471 lines
16 KiB
Python
471 lines
16 KiB
Python
# 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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from collections import defaultdict
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import itertools
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import logging
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from django.utils.translation import ugettext_lazy as _
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from horizon import exceptions
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from horizon.utils.memoized import memoized
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from openstack_dashboard.api import base
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from openstack_dashboard.api import cinder
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from openstack_dashboard.api import neutron
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from openstack_dashboard.api import nova
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from openstack_dashboard.contrib.developer.profiler import api as profiler
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from openstack_dashboard.utils import futurist_utils
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LOG = logging.getLogger(__name__)
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NOVA_COMPUTE_QUOTA_FIELDS = {
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"metadata_items",
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"cores",
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"instances",
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"injected_files",
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"injected_file_content_bytes",
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"injected_file_path_bytes",
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"ram",
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"key_pairs",
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}
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# We no longer supports nova-network, so network related quotas from nova
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# are not considered.
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NOVA_QUOTA_FIELDS = NOVA_COMPUTE_QUOTA_FIELDS
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NOVA_QUOTA_LIMIT_MAP = {
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'instances': {
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'limit': 'maxTotalInstances',
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'usage': 'totalInstancesUsed'
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},
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'cores': {
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'limit': 'maxTotalCores',
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'usage': 'totalCoresUsed'
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},
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'ram': {
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'limit': 'maxTotalRAMSize',
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'usage': 'totalRAMUsed'
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},
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'key_pairs': {
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'limit': 'maxTotalKeypairs',
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'usage': None
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},
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}
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CINDER_QUOTA_FIELDS = {"volumes",
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"snapshots",
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"gigabytes"}
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CINDER_QUOTA_LIMIT_MAP = {
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'volumes': {'usage': 'totalVolumesUsed',
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'limit': 'maxTotalVolumes'},
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'gigabytes': {'usage': 'totalGigabytesUsed',
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'limit': 'maxTotalVolumeGigabytes'},
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'snapshots': {'usage': 'totalSnapshotsUsed',
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'limit': 'maxTotalSnapshots'},
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}
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NEUTRON_QUOTA_FIELDS = {"network",
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"subnet",
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"port",
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"router",
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"floatingip",
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"security_group",
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"security_group_rule",
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}
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QUOTA_FIELDS = NOVA_QUOTA_FIELDS | CINDER_QUOTA_FIELDS | NEUTRON_QUOTA_FIELDS
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QUOTA_NAMES = {
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# nova
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"metadata_items": _('Metadata Items'),
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"cores": _('VCPUs'),
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"instances": _('Instances'),
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"injected_files": _('Injected Files'),
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"injected_file_content_bytes": _('Injected File Content Bytes'),
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"ram": _('RAM (MB)'),
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"key_pairs": _('Key Pairs'),
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"injected_file_path_bytes": _('Injected File Path Bytes'),
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# cinder
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"volumes": _('Volumes'),
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"snapshots": _('Volume Snapshots'),
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"gigabytes": _('Total Size of Volumes and Snapshots (GB)'),
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# neutron
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"network": _("Networks"),
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"subnet": _("Subnets"),
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"port": _("Ports"),
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"router": _("Routers"),
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"floatingip": _('Floating IPs'),
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"security_group": _("Security Groups"),
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"security_group_rule": _("Security Group Rules")
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}
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class QuotaUsage(dict):
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"""Tracks quota limit, used, and available for a given set of quotas."""
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def __init__(self):
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self.usages = defaultdict(dict)
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def __contains__(self, key):
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return key in self.usages
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def __getitem__(self, key):
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return self.usages[key]
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def __setitem__(self, key, value):
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raise NotImplementedError("Directly setting QuotaUsage values is not "
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"supported. Please use the add_quota and "
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"tally methods.")
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def __repr__(self):
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return repr(dict(self.usages))
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def get(self, key, default=None):
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return self.usages.get(key, default)
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def add_quota(self, quota):
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"""Adds an internal tracking reference for the given quota."""
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if quota.limit in (None, -1, float('inf')):
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# Handle "unlimited" quotas.
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self.usages[quota.name]['quota'] = float("inf")
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self.usages[quota.name]['available'] = float("inf")
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else:
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self.usages[quota.name]['quota'] = int(quota.limit)
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def tally(self, name, value):
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"""Adds to the "used" metric for the given quota."""
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value = value or 0 # Protection against None.
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# Start at 0 if this is the first value.
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if 'used' not in self.usages[name]:
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self.usages[name]['used'] = 0
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# Increment our usage and update the "available" metric.
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self.usages[name]['used'] += int(value) # Fail if can't coerce to int.
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self.update_available(name)
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def update_available(self, name):
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"""Updates the "available" metric for the given quota."""
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quota = self.usages.get(name, {}).get('quota', float('inf'))
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available = quota - self.usages[name]['used']
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if available < 0:
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available = 0
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self.usages[name]['available'] = available
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@profiler.trace
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def get_default_quota_data(request, disabled_quotas=None, tenant_id=None):
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quotasets = []
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if not tenant_id:
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tenant_id = request.user.tenant_id
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if disabled_quotas is None:
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disabled_quotas = get_disabled_quotas(request)
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if NOVA_QUOTA_FIELDS - disabled_quotas:
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quotasets.append(nova.default_quota_get(request, tenant_id))
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if CINDER_QUOTA_FIELDS - disabled_quotas:
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try:
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quotasets.append(cinder.default_quota_get(request, tenant_id))
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except cinder.cinder_exception.ClientException:
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disabled_quotas.update(CINDER_QUOTA_FIELDS)
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msg = _("Unable to retrieve volume quota information.")
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exceptions.handle(request, msg)
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if NEUTRON_QUOTA_FIELDS - disabled_quotas:
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try:
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quotasets.append(neutron.default_quota_get(request,
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tenant_id=tenant_id))
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except Exception:
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disabled_quotas.update(NEUTRON_QUOTA_FIELDS)
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msg = _('Unable to retrieve Neutron quota information.')
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exceptions.handle(request, msg)
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qs = base.QuotaSet()
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for quota in itertools.chain(*quotasets):
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if quota.name not in disabled_quotas and quota.name in QUOTA_FIELDS:
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qs[quota.name] = quota.limit
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return qs
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@profiler.trace
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def get_tenant_quota_data(request, disabled_quotas=None, tenant_id=None):
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quotasets = []
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if not tenant_id:
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tenant_id = request.user.tenant_id
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if disabled_quotas is None:
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disabled_quotas = get_disabled_quotas(request)
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if NOVA_QUOTA_FIELDS - disabled_quotas:
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quotasets.append(nova.tenant_quota_get(request, tenant_id))
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if CINDER_QUOTA_FIELDS - disabled_quotas:
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try:
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quotasets.append(cinder.tenant_quota_get(request, tenant_id))
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except cinder.cinder_exception.ClientException:
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disabled_quotas.update(CINDER_QUOTA_FIELDS)
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msg = _("Unable to retrieve volume limit information.")
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exceptions.handle(request, msg)
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if NEUTRON_QUOTA_FIELDS - disabled_quotas:
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quotasets.append(neutron.tenant_quota_get(request, tenant_id))
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qs = base.QuotaSet()
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for quota in itertools.chain(*quotasets):
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if quota.name not in disabled_quotas and quota.name in QUOTA_FIELDS:
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qs[quota.name] = quota.limit
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return qs
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# TOOD(amotoki): Do not use neutron specific quota field names.
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# At now, quota names from nova-network are used in the dashboard code,
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# but get_disabled_quotas() returns quota names from neutron API.
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# It is confusing and makes the code complicated. They should be push away.
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# Check Identity Project panel and System Defaults panel too.
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@profiler.trace
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def get_disabled_quotas(request, targets=None):
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if targets:
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if set(targets) - QUOTA_FIELDS:
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raise ValueError('Unknown quota field names are included: %s'
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% set(targets) - QUOTA_FIELDS)
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candidates = set(targets)
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else:
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candidates = QUOTA_FIELDS
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# We no longer supports nova network, so we always disable
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# network related nova quota fields.
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disabled_quotas = set()
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# Cinder
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if candidates & CINDER_QUOTA_FIELDS:
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if not cinder.is_volume_service_enabled(request):
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disabled_quotas.update(CINDER_QUOTA_FIELDS)
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# Neutron
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if not (candidates & NEUTRON_QUOTA_FIELDS):
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pass
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elif not base.is_service_enabled(request, 'network'):
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disabled_quotas.update(NEUTRON_QUOTA_FIELDS)
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else:
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if ({'security_group', 'security_group_rule'} & candidates and
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not neutron.is_extension_supported(request, 'security-group')):
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disabled_quotas.update(['security_group', 'security_group_rule'])
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if ({'router', 'floatingip'} & candidates and
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not neutron.is_router_enabled(request)):
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disabled_quotas.update(['router', 'floatingip'])
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try:
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if not neutron.is_quotas_extension_supported(request):
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disabled_quotas.update(NEUTRON_QUOTA_FIELDS)
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except Exception:
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LOG.exception("There was an error checking if the Neutron "
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"quotas extension is enabled.")
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# Nova
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if candidates & NOVA_QUOTA_FIELDS:
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if not (base.is_service_enabled(request, 'compute') and
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nova.can_set_quotas()):
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disabled_quotas.update(NOVA_QUOTA_FIELDS)
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enabled_quotas = candidates - disabled_quotas
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disabled_quotas = set(QUOTA_FIELDS) - enabled_quotas
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# There appear to be no glance quota fields currently
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return disabled_quotas
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def _add_limit_and_usage(usages, name, limit, usage, disabled_quotas):
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if name not in disabled_quotas:
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usages.add_quota(base.Quota(name, limit))
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if usage is not None:
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usages.tally(name, usage)
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def _add_limit_and_usage_neutron(usages, name, quota_name,
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detail, disabled_quotas):
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if quota_name in disabled_quotas:
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return
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usages.add_quota(base.Quota(name, detail['limit']))
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usages.tally(name, detail['used'] + detail['reserved'])
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@profiler.trace
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def _get_tenant_compute_usages(request, usages, disabled_quotas, tenant_id):
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enabled_compute_quotas = NOVA_COMPUTE_QUOTA_FIELDS - disabled_quotas
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if not enabled_compute_quotas:
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return
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if not base.is_service_enabled(request, 'compute'):
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return
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try:
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limits = nova.tenant_absolute_limits(request, reserved=True,
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tenant_id=tenant_id)
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except nova.nova_exceptions.ClientException:
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msg = _("Unable to retrieve compute limit information.")
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exceptions.handle(request, msg)
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for quota_name, limit_keys in NOVA_QUOTA_LIMIT_MAP.items():
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if limit_keys['usage']:
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usage = limits[limit_keys['usage']]
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else:
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usage = None
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_add_limit_and_usage(usages, quota_name,
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limits[limit_keys['limit']],
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usage,
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disabled_quotas)
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@profiler.trace
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def _get_tenant_network_usages(request, usages, disabled_quotas, tenant_id):
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enabled_quotas = NEUTRON_QUOTA_FIELDS - disabled_quotas
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if not enabled_quotas:
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return
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if neutron.is_extension_supported(request, 'quota_details'):
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details = neutron.tenant_quota_detail_get(request, tenant_id)
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for quota_name in NEUTRON_QUOTA_FIELDS:
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if quota_name in disabled_quotas:
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continue
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detail = details[quota_name]
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usages.add_quota(base.Quota(quota_name, detail['limit']))
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usages.tally(quota_name, detail['used'] + detail['reserved'])
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else:
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_get_tenant_network_usages_legacy(
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request, usages, disabled_quotas, tenant_id)
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def _get_neutron_quota_data(request, qs, disabled_quotas, tenant_id):
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tenant_id = tenant_id or request.user.tenant_id
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neutron_quotas = neutron.tenant_quota_get(request, tenant_id)
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for quota_name in NEUTRON_QUOTA_FIELDS:
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if quota_name not in disabled_quotas:
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quota_data = neutron_quotas.get(quota_name).limit
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qs.add(base.QuotaSet({quota_name: quota_data}))
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return qs
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def _get_tenant_network_usages_legacy(request, usages, disabled_quotas,
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tenant_id):
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qs = base.QuotaSet()
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_get_neutron_quota_data(request, qs, disabled_quotas, tenant_id)
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for quota in qs:
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usages.add_quota(quota)
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# TODO(amotoki): Add security_group_rule?
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resource_lister = {
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'network': (neutron.network_list, {'tenant_id': tenant_id}),
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'subnet': (neutron.subnet_list, {'tenant_id': tenant_id}),
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'port': (neutron.port_list, {'tenant_id': tenant_id}),
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'router': (neutron.router_list, {'tenant_id': tenant_id}),
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'floatingip': (neutron.tenant_floating_ip_list, {}),
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'security_group': (neutron.security_group_list, {}),
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}
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for quota_name, lister_info in resource_lister.items():
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if quota_name not in disabled_quotas:
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lister = lister_info[0]
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kwargs = lister_info[1]
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try:
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resources = lister(request, **kwargs)
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except Exception:
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resources = []
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usages.tally(quota_name, len(resources))
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@profiler.trace
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def _get_tenant_volume_usages(request, usages, disabled_quotas, tenant_id):
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enabled_volume_quotas = CINDER_QUOTA_FIELDS - disabled_quotas
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if not enabled_volume_quotas:
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return
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try:
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limits = cinder.tenant_absolute_limits(request, tenant_id)
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except cinder.cinder_exception.ClientException:
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msg = _("Unable to retrieve volume limit information.")
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exceptions.handle(request, msg)
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for quota_name, limit_keys in CINDER_QUOTA_LIMIT_MAP.items():
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_add_limit_and_usage(usages, quota_name,
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limits[limit_keys['limit']],
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limits[limit_keys['usage']],
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disabled_quotas)
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# TODO(amotoki): Merge tenant_quota_usages and tenant_limit_usages.
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# These two functions are similar. There seems no reason to have both.
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@profiler.trace
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@memoized
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def tenant_quota_usages(request, tenant_id=None, targets=None):
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"""Get our quotas and construct our usage object.
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:param tenant_id: Target tenant ID. If no tenant_id is provided,
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a the request.user.project_id is assumed to be used.
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:param targets: A tuple of quota names to be retrieved.
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If unspecified, all quota and usage information is retrieved.
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"""
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if not tenant_id:
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tenant_id = request.user.project_id
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disabled_quotas = get_disabled_quotas(request, targets)
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usages = QuotaUsage()
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futurist_utils.call_functions_parallel(
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(_get_tenant_compute_usages,
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[request, usages, disabled_quotas, tenant_id]),
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(_get_tenant_network_usages,
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[request, usages, disabled_quotas, tenant_id]),
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(_get_tenant_volume_usages,
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[request, usages, disabled_quotas, tenant_id]))
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return usages
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@profiler.trace
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def tenant_limit_usages(request):
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# TODO(licostan): This method shall be removed from Quota module.
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# ProjectUsage/BaseUsage maybe used instead on volume/image dashboards.
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limits = {}
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try:
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if base.is_service_enabled(request, 'compute'):
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limits.update(nova.tenant_absolute_limits(request, reserved=True))
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except Exception:
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msg = _("Unable to retrieve compute limit information.")
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exceptions.handle(request, msg)
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if cinder.is_volume_service_enabled(request):
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try:
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limits.update(cinder.tenant_absolute_limits(request))
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except cinder.cinder_exception.ClientException:
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msg = _("Unable to retrieve volume limit information.")
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exceptions.handle(request, msg)
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# TODO(amotoki): Support neutron quota details extensions
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# which returns limit/usage/reserved per resource.
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# Note that the data format is different from nova/cinder limit API.
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# https://developer.openstack.org/
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# api-ref/network/v2/#quotas-details-extension-quota-details
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return limits
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def enabled_quotas(request):
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"""Returns the list of quotas available minus those that are disabled"""
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return QUOTA_FIELDS - get_disabled_quotas(request)
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