46f99895fb
This code is not used anywhere, removing. Change-Id: I526b8c13e6f5ad8d441f219bb4dca36c0377adfe Implements: blueprint make-quotas-great-again
284 lines
11 KiB
Python
284 lines
11 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 __future__ import division
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import datetime
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from django.conf import settings
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from django.utils import timezone
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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 import forms
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from horizon import messages
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from openstack_dashboard import api
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class BaseUsage(object):
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show_deleted = False
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def __init__(self, request, project_id=None):
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self.project_id = project_id or request.user.tenant_id
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self.request = request
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self.summary = {}
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self.usage_list = []
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self.limits = {}
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self.quotas = {}
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@property
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def today(self):
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return timezone.now()
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@property
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def first_day(self):
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days_range = getattr(settings, 'OVERVIEW_DAYS_RANGE', 1)
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if days_range:
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return self.today.date() - datetime.timedelta(days=days_range)
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else:
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return datetime.date(self.today.year, self.today.month, 1)
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@staticmethod
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def get_start(year, month, day):
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start = datetime.datetime(year, month, day, 0, 0, 0)
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return timezone.make_aware(start, timezone.utc)
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@staticmethod
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def get_end(year, month, day):
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end = datetime.datetime(year, month, day, 23, 59, 59)
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return timezone.make_aware(end, timezone.utc)
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def get_instances(self):
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instance_list = []
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[instance_list.extend(u.server_usages) for u in self.usage_list]
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return instance_list
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def get_date_range(self):
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if not hasattr(self, "start") or not hasattr(self, "end"):
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args_start = (self.first_day.year, self.first_day.month,
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self.first_day.day)
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args_end = (self.today.year, self.today.month, self.today.day)
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form = self.get_form()
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if form.is_valid():
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start = form.cleaned_data['start']
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end = form.cleaned_data['end']
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args_start = (start.year,
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start.month,
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start.day)
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args_end = (end.year,
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end.month,
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end.day)
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elif form.is_bound:
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messages.error(self.request,
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_("Invalid date format: "
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"Using today as default."))
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self.start = self.get_start(*args_start)
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self.end = self.get_end(*args_end)
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return self.start, self.end
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def init_form(self):
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self.start = self.first_day
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self.end = self.today.date()
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return self.start, self.end
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def get_form(self):
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if not hasattr(self, 'form'):
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req = self.request
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start = req.GET.get('start', req.session.get('usage_start'))
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end = req.GET.get('end', req.session.get('usage_end'))
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if start and end:
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# bound form
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self.form = forms.DateForm({'start': start, 'end': end})
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else:
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# non-bound form
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init = self.init_form()
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start = init[0].isoformat()
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end = init[1].isoformat()
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self.form = forms.DateForm(initial={'start': start,
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'end': end})
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req.session['usage_start'] = start
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req.session['usage_end'] = end
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return self.form
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def _get_neutron_usage(self, limits, resource_name):
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resource_map = {
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'floatingip': {
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'api': api.network.tenant_floating_ip_list,
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'limit_name': 'totalFloatingIpsUsed',
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'message': _('Unable to retrieve floating IP addresses.')
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},
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'security_group': {
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'api': api.network.security_group_list,
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'limit_name': 'totalSecurityGroupsUsed',
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'message': _('Unable to retrieve security groups.')
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}
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}
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resource = resource_map[resource_name]
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try:
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method = resource['api']
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current_used = len(method(self.request))
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except Exception:
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current_used = 0
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msg = resource['message']
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exceptions.handle(self.request, msg)
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limits[resource['limit_name']] = current_used
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def _set_neutron_limit(self, limits, neutron_quotas, resource_name):
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limit_name_map = {
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'floatingip': 'maxTotalFloatingIps',
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'security_group': 'maxSecurityGroups',
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}
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if neutron_quotas is None:
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resource_max = float("inf")
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else:
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resource_max = getattr(neutron_quotas.get(resource_name),
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'limit', float("inf"))
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if resource_max == -1:
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resource_max = float("inf")
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limits[limit_name_map[resource_name]] = resource_max
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def get_neutron_limits(self):
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if not api.base.is_service_enabled(self.request, 'network'):
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return
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try:
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neutron_quotas_supported = (
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api.neutron.is_quotas_extension_supported(self.request))
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neutron_sg_used = (
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api.neutron.is_extension_supported(self.request,
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'security-group'))
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if api.network.floating_ip_supported(self.request):
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self._get_neutron_usage(self.limits, 'floatingip')
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if neutron_sg_used:
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self._get_neutron_usage(self.limits, 'security_group')
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# Quotas are an optional extension in Neutron. If it isn't
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# enabled, assume the floating IP limit is infinite.
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if neutron_quotas_supported:
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neutron_quotas = api.neutron.tenant_quota_get(self.request,
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self.project_id)
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else:
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neutron_quotas = None
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except Exception:
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# Assume neutron security group and quotas are enabled
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# because they are enabled in most Neutron plugins.
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neutron_sg_used = True
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neutron_quotas = None
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msg = _('Unable to retrieve network quota information.')
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exceptions.handle(self.request, msg)
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self._set_neutron_limit(self.limits, neutron_quotas, 'floatingip')
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if neutron_sg_used:
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self._set_neutron_limit(self.limits, neutron_quotas,
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'security_group')
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def get_cinder_limits(self):
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"""Get volume limits if cinder is enabled."""
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if not api.cinder.is_volume_service_enabled(self.request):
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return
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try:
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self.limits.update(api.cinder.tenant_absolute_limits(self.request))
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except Exception:
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msg = _("Unable to retrieve volume limit information.")
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exceptions.handle(self.request, msg)
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return
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def get_limits(self):
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try:
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self.limits = api.nova.tenant_absolute_limits(self.request,
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reserved=True)
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except Exception:
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exceptions.handle(self.request,
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_("Unable to retrieve limit information."))
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self.get_neutron_limits()
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self.get_cinder_limits()
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def get_usage_list(self, start, end):
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return []
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def summarize(self, start, end):
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if not api.nova.extension_supported('SimpleTenantUsage', self.request):
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return
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if start <= end and start <= self.today:
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# The API can't handle timezone aware datetime, so convert back
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# to naive UTC just for this last step.
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start = timezone.make_naive(start, timezone.utc)
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end = timezone.make_naive(end, timezone.utc)
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try:
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self.usage_list = self.get_usage_list(start, end)
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except Exception:
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exceptions.handle(self.request,
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_('Unable to retrieve usage information.'))
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elif end < start:
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messages.error(self.request,
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_("Invalid time period. The end date should be "
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"more recent than the start date."))
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elif start > self.today:
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messages.error(self.request,
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_("Invalid time period. You are requesting "
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"data from the future which may not exist."))
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for project_usage in self.usage_list:
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project_summary = project_usage.get_summary()
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for key, value in project_summary.items():
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self.summary.setdefault(key, 0)
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self.summary[key] += value
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def csv_link(self):
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form = self.get_form()
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data = {}
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if hasattr(form, "cleaned_data"):
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data = form.cleaned_data
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if not ('start' in data and 'end' in data):
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data = {"start": self.today.date(), "end": self.today.date()}
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return "?start=%s&end=%s&format=csv" % (data['start'],
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data['end'])
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class GlobalUsage(BaseUsage):
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show_deleted = True
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def get_usage_list(self, start, end):
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return api.nova.usage_list(self.request, start, end)
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class ProjectUsage(BaseUsage):
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attrs = ('memory_mb', 'vcpus', 'uptime',
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'hours', 'local_gb')
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def get_usage_list(self, start, end):
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show_deleted = self.request.GET.get('show_deleted',
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self.show_deleted)
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instances = []
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deleted_instances = []
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usage = api.nova.usage_get(self.request, self.project_id, start, end)
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# Attribute may not exist if there are no instances
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if hasattr(usage, 'server_usages'):
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now = self.today
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for server_usage in usage.server_usages:
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# This is a way to phrase uptime in a way that is compatible
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# with the 'timesince' filter. (Use of local time intentional.)
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server_uptime = server_usage['uptime']
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total_uptime = now - datetime.timedelta(seconds=server_uptime)
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server_usage['uptime_at'] = total_uptime
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if server_usage['ended_at'] and not show_deleted:
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deleted_instances.append(server_usage)
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else:
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instances.append(server_usage)
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usage.server_usages = instances
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return (usage,)
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