CSV Summary not working inside Admin panel.

When browsing Project usages from 'Admin->Projects->More->View Usages'
an AttributeError exception is thrown due to missing csv_render_class
attribute.
Also, project_id instead of tenant_id in BaseUsage  were expected, so
any request to /admin/projects/[id]/usage/ will always return the current
tenant from session.
This fix reuse logic from project/overview/ into this view.

Change-Id: I7d762569a7de176fdb8545a226e563afac34adae
Closes-Bug: #1255667

openstack_dashboard/dashboards/admin/projects/tests.py

@@ -15,11 +15,13 @@
 #    under the License.
 
 import copy
+import datetime
 import logging
 
 from django.core.urlresolvers import reverse  # noqa
 from django import http
 from django.test.utils import override_settings  # noqa
+from django.utils import timezone
 
 from mox import IgnoreArg  # noqa
 from mox import IsA  # noqa
@@ -30,6 +32,7 @@ from horizon.workflows import views
 from openstack_dashboard import api
 from openstack_dashboard.dashboards.admin.projects import workflows
 from openstack_dashboard.test import helpers as test
+from openstack_dashboard import usage
 from openstack_dashboard.usage import quotas
 
 from selenium.webdriver import ActionChains  # noqa
@@ -1446,6 +1449,66 @@ class UpdateProjectWorkflowTests(test.BaseAdminViewTests):
             logging.disable(logging.NOTSET)
 
 
+class UsageViewTests(test.BaseAdminViewTests):
+    def _stub_nova_api_calls(self, nova_stu_enabled=True):
+        self.mox.StubOutWithMock(api.nova, 'usage_get')
+        self.mox.StubOutWithMock(api.nova, 'tenant_absolute_limits')
+        self.mox.StubOutWithMock(api.nova, 'extension_supported')
+        api.nova.extension_supported(
+            'SimpleTenantUsage', IsA(http.HttpRequest)) \
+            .AndReturn(nova_stu_enabled)
+
+    def _stub_neutron_api_calls(self, neutron_sg_enabled=True):
+        self.mox.StubOutWithMock(api.neutron, 'is_extension_supported')
+        self.mox.StubOutWithMock(api.network, 'tenant_floating_ip_list')
+        if neutron_sg_enabled:
+            self.mox.StubOutWithMock(api.network, 'security_group_list')
+        api.neutron.is_extension_supported(
+            IsA(http.HttpRequest),
+            'security-group').AndReturn(neutron_sg_enabled)
+        api.network.tenant_floating_ip_list(IsA(http.HttpRequest)) \
+            .AndReturn(self.floating_ips.list())
+        if neutron_sg_enabled:
+            api.network.security_group_list(IsA(http.HttpRequest)) \
+                .AndReturn(self.q_secgroups.list())
+
+    def test_usage_csv(self):
+        self._test_usage_csv(nova_stu_enabled=True)
+
+    def test_usage_csv_disabled(self):
+        self._test_usage_csv(nova_stu_enabled=False)
+
+    def _test_usage_csv(self, nova_stu_enabled=True):
+        now = timezone.now()
+        usage_obj = api.nova.NovaUsage(self.usages.first())
+        self._stub_nova_api_calls(nova_stu_enabled)
+        api.nova.extension_supported(
+            'SimpleTenantUsage', IsA(http.HttpRequest)) \
+            .AndReturn(nova_stu_enabled)
+        start = datetime.datetime(now.year, now.month, now.day, 0, 0, 0, 0)
+        end = datetime.datetime(now.year, now.month, now.day, 23, 59, 59, 0)
+
+        if nova_stu_enabled:
+            api.nova.usage_get(IsA(http.HttpRequest),
+                               self.tenant.id,
+                               start, end).AndReturn(usage_obj)
+        api.nova.tenant_absolute_limits(IsA(http.HttpRequest))\
+            .AndReturn(self.limits['absolute'])
+        self._stub_neutron_api_calls()
+        self.mox.ReplayAll()
+
+        project_id = self.tenants.first().id
+        csv_url = reverse('horizon:admin:projects:usage',
+                          args=[project_id]) + "?format=csv"
+        res = self.client.get(csv_url)
+        self.assertTemplateUsed(res, 'project/overview/usage.csv')
+
+        self.assertTrue(isinstance(res.context['usage'], usage.ProjectUsage))
+        hdr = ('Instance Name,VCPUs,Ram (MB),Disk (GB),Usage (Hours),'
+               'Uptime(Seconds),State')
+        self.assertContains(res, '%s\r\n' % hdr)
+
+
 class SeleniumTests(test.SeleniumAdminTestCase):
     @test.create_stubs(
         {api.keystone: ('tenant_list', 'tenant_get', 'tenant_update')})

openstack_dashboard/dashboards/admin/projects/urls.py

@@ -29,6 +29,6 @@ urlpatterns = patterns('',
     url(r'^create$', views.CreateProjectView.as_view(), name='create'),
     url(r'^(?P<tenant_id>[^/]+)/update/$',
         views.UpdateProjectView.as_view(), name='update'),
-    url(r'^(?P<tenant_id>[^/]+)/usage/$',
+    url(r'^(?P<project_id>[^/]+)/usage/$',
         views.ProjectUsageView.as_view(), name='usage'),
 )

openstack_dashboard/dashboards/admin/projects/views.py

@@ -34,7 +34,8 @@ from openstack_dashboard.dashboards.admin.projects \
     import tables as project_tables
 from openstack_dashboard.dashboards.admin.projects \
     import workflows as project_workflows
-
+from openstack_dashboard.dashboards.project.overview \
+    import views as project_views
 
 PROJECT_INFO_FIELDS = ("domain_id",
                        "domain_name",
@@ -94,6 +95,8 @@ class ProjectUsageView(usage.UsageView):
     table_class = usage.ProjectUsageTable
     usage_class = usage.ProjectUsage
     template_name = 'admin/projects/usage.html'
+    csv_response_class = project_views.ProjectUsageCsvRenderer
+    csv_template_name = 'project/overview/usage.csv'
 
     def get_data(self):
         super(ProjectUsageView, self).get_data()

openstack_dashboard/usage/views.py

@@ -18,6 +18,7 @@ from openstack_dashboard.usage import base
 class UsageView(tables.DataTableView):
     usage_class = None
     show_terminated = True
+    csv_template_name = None
 
     def __init__(self, *args, **kwargs):
         super(UsageView, self).__init__(*args, **kwargs)
@@ -27,7 +28,8 @@ class UsageView(tables.DataTableView):
 
     def get_template_names(self):
         if self.request.GET.get('format', 'html') == 'csv':
-            return ".".join((self.template_name.rsplit('.', 1)[0], 'csv'))
+            return (self.csv_template_name or
+                    ".".join((self.template_name.rsplit('.', 1)[0], 'csv')))
         return self.template_name
 
     def get_content_type(self):