116 lines
4.8 KiB
Python
116 lines
4.8 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 django.utils.translation import pgettext_lazy
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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 tables
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from openstack_dashboard import api
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from openstack_dashboard.usage import base
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class UsageView(tables.DataTableView):
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usage_class = None
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show_deleted = True
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csv_template_name = None
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page_title = _("Overview")
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def __init__(self, *args, **kwargs):
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super(UsageView, self).__init__(*args, **kwargs)
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if not issubclass(self.usage_class, base.BaseUsage):
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raise AttributeError("You must specify a usage_class attribute "
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"which is a subclass of BaseUsage.")
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def get_template_names(self):
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if self.request.GET.get('format', 'html') == 'csv':
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return (self.csv_template_name or
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".".join((self.template_name.rsplit('.', 1)[0], 'csv')))
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return self.template_name
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def get_content_type(self):
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if self.request.GET.get('format', 'html') == 'csv':
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return "text/csv"
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return "text/html"
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def get_data(self):
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try:
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project_id = self.kwargs.get('project_id',
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self.request.user.tenant_id)
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self.usage = self.usage_class(self.request, project_id)
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self.usage.summarize(*self.usage.get_date_range())
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self.usage.get_limits()
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self.kwargs['usage'] = self.usage
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return self.usage.usage_list
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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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return []
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def get_context_data(self, **kwargs):
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context = super(UsageView, self).get_context_data(**kwargs)
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context['table'].kwargs['usage'] = self.usage
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context['form'] = self.usage.form
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context['usage'] = self.usage
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context['charts'] = []
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# (Used key, Max key, Human Readable Name, text to display when
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# describing the quota by default it is 'Used')
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types = [("totalInstancesUsed", "maxTotalInstances", _("Instances")),
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("totalCoresUsed", "maxTotalCores", _("VCPUs")),
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("totalRAMUsed", "maxTotalRAMSize", _("RAM")),
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("totalFloatingIpsUsed", "maxTotalFloatingIps",
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_("Floating IPs"),
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pgettext_lazy('Label in the limit summary', "Allocated")),
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("totalSecurityGroupsUsed", "maxSecurityGroups",
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_("Security Groups"))]
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# Check for volume usage
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if 'totalVolumesUsed' in self.usage.limits and self.usage.limits[
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'totalVolumesUsed'] >= 0:
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types.append(("totalVolumesUsed", "maxTotalVolumes",
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_("Volumes")))
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types.append(("totalGigabytesUsed", "maxTotalVolumeGigabytes",
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_("Volume Storage")))
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for t in types:
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if t[0] in self.usage.limits and t[1] in self.usage.limits:
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text = pgettext_lazy('Label in the limit summary', 'Used')
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if len(t) > 3:
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text = t[3]
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context['charts'].append({
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'type': t[0],
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'name': t[2],
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'used': self.usage.limits[t[0]],
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'max': self.usage.limits[t[1]],
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'text': text
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})
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try:
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context['simple_tenant_usage_enabled'] = \
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api.nova.extension_supported('SimpleTenantUsage', self.request)
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except Exception:
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context['simple_tenant_usage_enabled'] = True
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return context
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def render_to_response(self, context, **response_kwargs):
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if self.request.GET.get('format', 'html') == 'csv':
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render_class = self.csv_response_class
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response_kwargs.setdefault("filename", "usage.csv")
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else:
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render_class = self.response_class
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context = self.render_context_with_title(context)
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resp = render_class(request=self.request,
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template=self.get_template_names(),
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context=context,
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content_type=self.get_content_type(),
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**response_kwargs)
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return resp
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