Creates volume snapshot detail page and links to it via the Name column

in the Volume Snapshots table

Fixes launchpad bug #1039089

Change-Id: Id3852e2ee2caecc14a561e3089940f8dd50c0bd4

horizon/dashboards/nova/images_and_snapshots/templates/images_and_snapshots/snapshots/_detail_overview.html

@@ -0,0 +1,42 @@
+{% load i18n sizeformat parse_date %}
+{% load url from future %}
+
+<h3>{{snapshot.display_name }}</h3>
+
+<div class="info row-fluid detail">
+  <h4>{% trans "Info" %}</h4>
+  <hr class="header_rule">
+  <dl>
+    <dt>{% trans "Name" %}</dt>
+    <dd>{{ snapshot.display_name }}</dd>
+    <dt>{% trans "ID" %}</dt>
+    <dd>{{ snapshot.id }}</dd>
+    {% if snapshot.display_description %}
+    <dt>{% trans "Description" %}</dt>
+    <dd>{{ snapshot.display_description }}</dd>
+    {% endif %}
+    <dt>{% trans "Status" %}</dt>
+    <dd>{{ snapshot.status|capfirst }}</dd>
+    <dt>{% trans "Volume" %}</dt>
+    <dd>
+      <a href="{% url 'horizon:nova:volumes:detail' snapshot.volume_id %}">
+        {% if volume.display_name %}
+          {{ volume.display_name }}
+        {% else %}
+          {{ snapshot.volume_id }}
+        {% endif %}
+      </a>
+    </dd>
+  </dl>
+</div>
+
+<div class="specs row-fluid detail">
+  <h4>{% trans "Specs" %}</h4>
+  <hr class="header_rule">
+  <dl>
+    <dt>{% trans "Size" %}</dt>
+    <dd>{{ snapshot.size }} {% trans "GB" %}</dd>
+    <dt>{% trans "Created" %}</dt>
+    <dd>{{ snapshot.created_at|parse_date }}</dd>
+  </dl>
+</div>

horizon/dashboards/nova/images_and_snapshots/templates/images_and_snapshots/snapshots/detail.html

@@ -0,0 +1,15 @@
+{% extends 'base.html' %}
+{% load i18n %}
+{% block title %}{% trans "Volume Snapshot Details" %}{% endblock %}
+
+{% block page_header %}
+  {% include "horizon/common/_page_header.html" with title=_("Volume Snapshot Detail") %}
+{% endblock page_header %}
+
+{% block main %}
+<div class="row-fluid">
+  <div class="span12">
+  {{ tab_group.render }}
+  </div>
+</div>
+{% endblock %}

horizon/dashboards/nova/images_and_snapshots/urls.py

@@ -22,11 +22,14 @@ from django.conf.urls.defaults import *
 
 from .images import urls as image_urls
 from .snapshots import urls as snapshot_urls
-from .views import IndexView
+from .views import IndexView, DetailView
 
 
 urlpatterns = patterns('',
     url(r'^$', IndexView.as_view(), name='index'),
     url(r'', include(image_urls, namespace='images')),
     url(r'', include(snapshot_urls, namespace='snapshots')),
+    url(r'^snapshots/(?P<snapshot_id>[^/]+)/$',
+        DetailView.as_view(),
+        name='detail'),
 )

horizon/dashboards/nova/images_and_snapshots/views.py

@@ -30,10 +30,11 @@ from django.utils.translation import ugettext_lazy as _
 from horizon import api
 from horizon import exceptions
 from horizon import tables
+from horizon import tabs
 from .images.tables import ImagesTable
 from .snapshots.tables import SnapshotsTable
 from .volume_snapshots.tables import VolumeSnapshotsTable
-
+from .volume_snapshots.tabs import SnapshotDetailTabs
 
 LOG = logging.getLogger(__name__)
 
@@ -78,5 +79,10 @@ class IndexView(tables.MultiTableView):
         except:
             snapshots = []
             exceptions.handle(self.request, _("Unable to retrieve "
-                    "volume snapshots."))
+                                              "volume snapshots."))
         return snapshots
+
+
+class DetailView(tabs.TabView):
+    tab_group_class = SnapshotDetailTabs
+    template_name = 'nova/images_and_snapshots/snapshots/detail.html'

horizon/dashboards/nova/images_and_snapshots/volume_snapshots/tables.py

@@ -61,10 +61,6 @@ class UpdateRow(tables.Row):
 
 
 class SnapshotVolumeNameColumn(tables.Column):
-    """
-    Customized column class that does complex processing on the attachments
-    for a volume instance.
-    """
     def get_raw_data(self, snapshot):
         request = self.table.request
         volume_name = api.volume_get(request, snapshot.volume_id).display_name
@@ -76,7 +72,9 @@ class SnapshotVolumeNameColumn(tables.Column):
 
 
 class VolumeSnapshotsTable(volume_tables.VolumesTableBase):
-    name = tables.Column("display_name", verbose_name=_("Name"))
+    name = tables.Column("display_name",
+                         verbose_name=_("Name"),
+                         link="horizon:nova:images_and_snapshots:detail")
     volume_name = SnapshotVolumeNameColumn("display_name",
                               verbose_name=_("Volume Name"),
                               link="horizon:nova:volumes:detail")

horizon/dashboards/nova/images_and_snapshots/volume_snapshots/tabs.py

@@ -0,0 +1,48 @@
+# vim: tabstop=4 shiftwidth=4 softtabstop=4
+
+# Copyright 2012 Nebula, Inc.
+#
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+from django.core.urlresolvers import reverse
+from django.utils.translation import ugettext_lazy as _
+
+from horizon import api
+from horizon import exceptions
+from horizon import tabs
+
+
+class OverviewTab(tabs.Tab):
+    name = _("Overview")
+    slug = "overview"
+    template_name = ("nova/images_and_snapshots/snapshots/"
+                     "_detail_overview.html")
+
+    def get_context_data(self, request):
+        snapshot_id = self.tab_group.kwargs['snapshot_id']
+        try:
+            snapshot = api.nova.volume_snapshot_get(request, snapshot_id)
+            volume = api.nova.volume_get(request, snapshot.volume_id)
+            volume.display_name = None
+        except:
+            redirect = reverse('horizon:nova:images_and_snapshots:index')
+            exceptions.handle(self.request,
+                              _('Unable to retrieve snapshot details.'),
+                              redirect=redirect)
+        return {'snapshot': snapshot,
+                'volume': volume}
+
+
+class SnapshotDetailTabs(tabs.TabGroup):
+    slug = "snapshot_details"
+    tabs = (OverviewTab,)