Move service health view into new overview panel

Change-Id: I827134cfca77f1dc792e31f93278e9c804fa7358

monitoring/alarms/tests.py

@@ -16,13 +16,6 @@ DETAIL_URL = urlresolvers.reverse(
 
 
 class AlarmsTest(helpers.TestCase):
-    def test_index_get(self):
-        res = self.client.get(INDEX_URL)
-
-        self.assertTemplateUsed(
-            res, 'monitoring/alarms/index.html')
-        self.assertTemplateUsed(res, 'monitoring/alarms/monitor.html')
-
     def test_alarms_get(self):
         with patch('monitoring.api.monitor', **{
             'spec_set': ['alarm_list_by_service'],

monitoring/alarms/urls.py

@@ -21,7 +21,6 @@ from monitoring.alarms import views
 urlpatterns = patterns(
     '',
     url(r'^$', views.IndexView.as_view(), name='index'),
-    url(r'^status', views.StatusView.as_view(), name='status'),
     url(r'^alarm/(?P<service>[^/]+)/$',
         views.AlarmServiceView.as_view(),
         name='alarm'),

monitoring/alarms/views.py

@@ -22,9 +22,10 @@ from django.conf import settings  # noqa
 from django.contrib import messages
 from django.core.urlresolvers import reverse_lazy, reverse  # noqa
 from django.http import HttpResponse  # noqa
+from django.shortcuts import redirect
 from django.template import defaultfilters as filters
 from django.utils.translation import ugettext as _  # noqa
-from django.views.generic import TemplateView  # noqa
+from django.views.generic import View  # noqa
 
 from horizon import exceptions
 from horizon import forms
@@ -95,26 +96,9 @@ def generate_status(request):
     return SERVICES
 
 
-class IndexView(TemplateView):
-    template_name = constants.TEMPLATE_PREFIX + 'index.html'
-
-    def get_context_data(self, **kwargs):
-        context = super(IndexView, self).get_context_data(**kwargs)
-        context["token"] = self.request.user.token.id
-        return context
-
-
-class StatusView(TemplateView):
-    template_name = ""
-
-    def get(self, request, *args, **kwargs):
-        ret = {
-            'series': generate_status(self.request),
-            'settings': {}
-        }
-
-        return HttpResponse(json.dumps(ret),
-                            content_type='application/json')
+class IndexView(View):
+    def dispatch(self, request, *args, **kwargs):
+        return redirect(constants.URL_PREFIX + 'alarm', service='all')
 
 
 class AlarmServiceView(tables.DataTableView):

monitoring/dashboard.py

@@ -22,8 +22,8 @@ import horizon
 class Monitoring(horizon.Dashboard):
     name = _("Monitoring")
     slug = "monitoring"
-    panels = ('alarms', 'notifications')
-    default_panel = 'alarms'
+    panels = ('overview', 'alarms', 'notifications')
+    default_panel = 'overview'
 
 
 horizon.register(Monitoring)

monitoring/overview/constants.py

@@ -0,0 +1,25 @@
+# vim: tabstop=4 shiftwidth=4 softtabstop=4
+
+# Copyright 2013 Hewlett-Packard Development Company, L.P.
+#
+# 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.
+
+
+URL_PREFIX = 'horizon:monitoring:overview:'
+TEMPLATE_PREFIX = 'monitoring/overview/'
+
+CRITICAL_ICON = '/static/monitoring/img/critical-icon.png'
+WARNING_ICON = '/static/monitoring/img/warning-icon.png'
+OK_ICON = '/static/monitoring/img/ok-icon.png'
+UNKNOWN_ICON = '/static/monitoring/img/unknown-icon.png'
+NOTFOUND_ICON = '/static/monitoring/img/notfound-icon.png'

monitoring/overview/panel.py

@@ -0,0 +1,29 @@
+# vim: tabstop=4 shiftwidth=4 softtabstop=4
+
+# Copyright 2013 Hewlett-Packard Development Company, L.P.
+#
+#    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.utils.translation import ugettext_lazy as _  # noqa
+
+import horizon
+
+from monitoring import dashboard
+
+
+class Overview(horizon.Panel):
+    name = _("Overview")
+    slug = 'overview'
+
+
+dashboard.Monitoring.register(Overview)

monitoring/overview/templates/overview/index.html

@@ -14,5 +14,5 @@
             {% trans 'Dashboard' %}
         </a>
     </div>
-    {%  include 'monitoring/alarms/monitor.html' %}
+    {%  include 'monitoring/overview/monitor.html' %}
 {% endblock %}

monitoring/overview/templates/overview/monitor.html

@@ -55,7 +55,7 @@
                 {$ group.name $}
             </div>
             <div ng-repeat="service in group.services" style="display:inline-block; margin-bottom:4px; margin-right:4px;">
-                <a href="/monitoring/alarm/{$ service.name $}">
+                <a href="/monitoring/alarms/alarm/{$ service.name $}">
                  <div class="base-chicklet {$ service.class $}">
                     <div>
                         <div class="status-icon-holder" >

monitoring/overview/tests.py

@@ -0,0 +1,18 @@
+from django.core import urlresolvers
+from mock import patch, call  # noqa
+
+from monitoring.test import helpers
+from monitoring.overview import constants
+
+
+INDEX_URL = urlresolvers.reverse(
+    constants.URL_PREFIX + 'index')
+
+
+class OverviewTest(helpers.TestCase):
+    def test_index_get(self):
+        res = self.client.get(INDEX_URL)
+        self.assertTemplateUsed(
+            res, 'monitoring/overview/index.html')
+        self.assertTemplateUsed(res, 'monitoring/overview/monitor.html')
+

monitoring/overview/urls.py

@@ -0,0 +1,25 @@
+# vim: tabstop=4 shiftwidth=4 softtabstop=4
+
+# Copyright 2013 Hewlett-Packard Development Company, L.P.
+#
+#    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.conf.urls import patterns  # noqa
+from django.conf.urls import url  # noqa
+
+from monitoring.overview import views
+
+urlpatterns = patterns(
+    '',
+    url(r'^$', views.IndexView.as_view(), name='index'),
+    url(r'^status', views.StatusView.as_view(), name='status'),
+)

monitoring/overview/views.py

@@ -0,0 +1,106 @@
+# vim: tabstop=4 shiftwidth=4 softtabstop=4
+
+# Copyright 2013 Hewlett-Packard Development Company, L.P.
+#
+#    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.import logging
+
+import json
+import logging
+
+from django.conf import settings  # noqa
+from django.http import HttpResponse  # noqa
+from django.views.generic import TemplateView  # noqa
+
+from monitoring.overview import constants
+from monitoring.alarms import tables as alarm_tables
+from monitoring import api
+
+LOG = logging.getLogger(__name__)
+SERVICES = getattr(settings, 'MONITORING_SERVICES', [])
+
+
+def get_icon(status):
+    if status == 'chicklet-success':
+        return constants.OK_ICON
+    if status == 'chicklet-error':
+        return constants.CRITICAL_ICON
+    if status == 'chicklet-warning':
+        return constants.WARNING_ICON
+    if status == 'chicklet-unknown':
+        return constants.UNKNOWN_ICON
+    if status == 'chicklet-notfound':
+        return constants.NOTFOUND_ICON
+
+
+priorities = [
+    {'status': 'chicklet-success', 'severity': 'OK'},
+    {'status': 'chicklet-unknown', 'severity': 'UNDETERMINED'},
+    {'status': 'chicklet-warning', 'severity': 'LOW'},
+    {'status': 'chicklet-warning', 'severity': 'MEDIUM'},
+    {'status': 'chicklet-warning', 'severity': 'HIGH'},
+    {'status': 'chicklet-error', 'severity': 'CRITICAL'},
+]
+index_by_severity = {d['severity']: i for i, d in enumerate(priorities)}
+
+
+def get_status(alarms):
+    if not alarms:
+        return 'chicklet-notfound'
+    status_index = 0
+    for a in alarms:
+        severity = alarm_tables.show_severity(a)
+        severity_index = index_by_severity[severity]
+        status_index = max(status_index, severity_index)
+    return priorities[status_index]['status']
+
+
+def generate_status(request):
+    try:
+        alarms = api.monitor.alarm_list(request)
+    except Exception:
+        alarms = []
+    alarms_by_service = {}
+    for a in alarms:
+        service = alarm_tables.show_service(a)
+        service_alarms = alarms_by_service.setdefault(service, [])
+        service_alarms.append(a)
+    for row in SERVICES:
+        row['name'] = unicode(row['name'])
+        for service in row['services']:
+            service_alarms = alarms_by_service.get(service['name'], [])
+            service['class'] = get_status(service_alarms)
+            service['icon'] = get_icon(service['class'])
+            service['display'] = unicode(service['display'])
+    return SERVICES
+
+
+class IndexView(TemplateView):
+    template_name = constants.TEMPLATE_PREFIX + 'index.html'
+
+    def get_context_data(self, **kwargs):
+        context = super(IndexView, self).get_context_data(**kwargs)
+        context["token"] = self.request.user.token.id
+        return context
+
+
+class StatusView(TemplateView):
+    template_name = ""
+
+    def get(self, request, *args, **kwargs):
+        ret = {
+            'series': generate_status(self.request),
+            'settings': {}
+        }
+
+        return HttpResponse(json.dumps(ret),
+                            content_type='application/json')