856083a6d4
Fixes bug 1040799. This commit fixes the bug that error message "Unable to retrieve quota information" detected during rendering nova/overview page is displayed after moving to the next page. Change-Id: I647a02a216b803e6fd17d4849437a77b680f84af
55 lines
2.0 KiB
Python
55 lines
2.0 KiB
Python
import logging
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from horizon import tables
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from .base import BaseUsage
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LOG = logging.getLogger(__name__)
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class UsageView(tables.DataTableView):
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usage_class = None
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show_terminated = True
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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, 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 ".".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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tenant_id = self.kwargs.get('tenant_id', self.request.user.tenant_id)
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self.usage = self.usage_class(self.request, tenant_id)
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self.usage.summarize(*self.usage.get_date_range())
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self.usage.get_quotas()
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self.kwargs['usage'] = self.usage
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return self.usage.usage_list
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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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return context
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def render_to_response(self, context, **response_kwargs):
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resp = self.response_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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if self.request.GET.get('format', 'html') == 'csv':
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resp['Content-Disposition'] = 'attachment; filename=usage.csv'
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resp['Content-Type'] = 'text/csv'
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return resp
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