status page

djadhere/templates/base.html

@@ -52,6 +52,11 @@
               <span class="fas fa-coins"></span>&nbsp;Transparence
             </a>
           </li>
+          <li class="nav-item{% block statustab %}{% endblock %}">
+            <a class="nav-link" href="{% url 'status' %}">
+              <span class="fas fa-bullhorn"></span>&nbsp;Status
+            </a>
+          </li>
         </ul>
         <ul class="navbar-nav">
           {% if request.user.is_staff %}

services/templates/services/status.html

+{% extends 'base.html' %}
+
+{% load humanize %}
+
+{% block statustab %} active{% endblock %}
+
+{% block content %}
+<div class="list-group">
+  {% for route, last_time_up, allocs in status %}
+  <div class="list-group-item">
+    <div class="d-flex w-100 justify-content-between">
+      <h5 class="mb-1"><span class="badge badge-primary badge-pill">{{ allocs|length }} IPs</span> <b>{{ route }}</b></h5>
+      <small>{{ last_time_up|naturaltime }}</small>
+    </div>
+    <ul>
+    {% for alloc in allocs %}
+      <li>{{ alloc.resource }} — {{ alloc.service.adhesion }} – {{ alloc.service }}</li>
+    {% endfor %}
+    </ul>
+  </div>
+  {% endfor %}
+</div>
+{% endblock %}

services/urls.py

@@ -4,6 +4,7 @@ from . import views
 
 
 urlpatterns = [
+    path('status/', views.Status.as_view(), name='status'),
     path('services/<int:pk>/', views.ServiceDetail.as_view(), name='service-detail'),
     path('api/fastpinger/', views.fastpinger, name='fastpinger'),
     re_path(r'^api/routes/(?:(?P<route>[\w-]+)/)?$', views.routes, name='routes'), # TODO: path_re => path

services/views.py

-from django.views.generic import DetailView
+from django.views.generic import DetailView, TemplateView
 from django.contrib.auth.mixins import LoginRequiredMixin
 from django.views.decorators.http import require_GET, require_POST
 from django.http import HttpResponseForbidden, HttpResponse
@@ -7,12 +7,41 @@ from django.views.decorators.csrf import csrf_exempt
 from django.shortcuts import get_object_or_404
 from django.db import models
 from django.db.models.functions import Concat
+from django.utils import timezone
+
+from itertools import groupby
+from datetime import timedelta, datetime
 
 from djadhere.utils import get_active_filter
 from djadhere.decorators import api_key_required
 from .models import Service, Route, IPResource, ServiceAllocation
 from .utils.fastpinger import fastpinger_update
 from .utils.architecture import export_switch, export_ip
+from services.models import IPResource, IPResourceState, ServiceAllocation
+
+
+class Status(LoginRequiredMixin, TemplateView):
+    template_name = 'services/status.html'
+
+    def get_status(self):
+        begin = timezone.make_aware(datetime(2019, 3, 1))
+        down = IPResource.objects.filter(last_state__state=IPResourceState.STATE_DOWN, last_state__date__gte=begin)
+        allocations = ServiceAllocation.objects.filter(get_active_filter())\
+                            .filter(resource__ip__in=down.values('ip'))
+        events = []
+        threshold = getattr(settings, 'STATUS_THRESHOLD', 2)
+        allocations = sorted(allocations, reverse=True, key=lambda a: (a.resource.last_state.date, a.route.pk))
+        for (last_time_up, route), allocs in groupby(allocations, key=lambda a: (a.resource.last_state.date, a.route.pk)):
+            allocs = list(allocs)
+            route = allocs[0].route
+            if len(allocs) >= threshold:
+                events.append((route, last_time_up, allocs))
+        return events
+
+    def get_context_data(self, **kwargs):
+        context = super().get_context_data(**kwargs)
+        context['status'] = self.get_status()
+        return context
 
 
 class ServiceDetail(LoginRequiredMixin, DetailView):