Splits OpenStack Dashboard bits from framework app code.

Moves everything OpenStack-specific (dashboards, apis, etc.)
into the openstack_dashboard project, achieving a much
cleaner separation between the project-specific code and
the generic Horizon framework code.

Change-Id: I7235b41d449b26c980668fc3eb4360b24508717b

openstack_dashboard/usage/tables.py

@@ -0,0 +1,71 @@
+from django.core import urlresolvers
+from django.utils.translation import ugettext_lazy as _
+from django.template.defaultfilters import timesince, floatformat
+
+from horizon import tables
+from horizon.templatetags.sizeformat import mbformat
+
+
+class CSVSummary(tables.LinkAction):
+    name = "csv_summary"
+    verbose_name = _("Download CSV Summary")
+    classes = ("btn-download",)
+
+    def get_link_url(self, usage=None):
+        return self.table.kwargs['usage'].csv_link()
+
+
+class BaseUsageTable(tables.DataTable):
+    vcpus = tables.Column('vcpus', verbose_name=_("VCPUs"))
+    disk = tables.Column('local_gb', verbose_name=_("Disk"))
+    memory = tables.Column('memory_mb',
+                           verbose_name=_("RAM"),
+                           filters=(mbformat,),
+                           attrs={"data-type": "size"})
+    hours = tables.Column('vcpu_hours', verbose_name=_("VCPU Hours"),
+                          filters=(lambda v: floatformat(v, 2),))
+
+
+class GlobalUsageTable(BaseUsageTable):
+    tenant = tables.Column('tenant_name', verbose_name=_("Project Name"))
+    disk_hours = tables.Column('disk_gb_hours',
+                               verbose_name=_("Disk GB Hours"),
+                               filters=(lambda v: floatformat(v, 2),))
+
+    def get_object_id(self, datum):
+        return datum.tenant_id
+
+    class Meta:
+        name = "global_usage"
+        verbose_name = _("Usage Summary")
+        columns = ("tenant", "vcpus", "disk", "memory",
+                   "hours", "disk_hours")
+        table_actions = (CSVSummary,)
+        multi_select = False
+
+
+def get_instance_link(datum):
+    view = "horizon:nova:instances:detail"
+    if datum.get('instance_id', False):
+        return urlresolvers.reverse(view, args=(datum.get('instance_id'),))
+    else:
+        return None
+
+
+class TenantUsageTable(BaseUsageTable):
+    instance = tables.Column('name',
+                             verbose_name=_("Instance Name"),
+                             link=get_instance_link)
+    uptime = tables.Column('uptime_at',
+                           verbose_name=_("Uptime"),
+                           filters=(timesince,))
+
+    def get_object_id(self, datum):
+        return datum.get('instance_id', id(datum))
+
+    class Meta:
+        name = "tenant_usage"
+        verbose_name = _("Usage Summary")
+        columns = ("instance", "vcpus", "disk", "memory", "uptime")
+        table_actions = (CSVSummary,)
+        multi_select = False