Router list automatically updating online status

monitoring/views.py

@@ -1,7 +1,7 @@
-from django.shortcuts import render
+from django.shortcuts import render, get_object_or_404
 
 from monitoring.models import RouterDownTime
-from router_manager.models import Router
+from router_manager.models import Router, RouterStatus, RouterGroup
 from django.http import JsonResponse
 from django.utils import timezone
 
@@ -17,15 +17,30 @@ def view_router_config_timestamp(request):
     return JsonResponse({'router_config': webadmin_settings.router_config_last_updated.isoformat()})
 
 
+def view_router_last_status_change(request):
+    last_router_status_change = RouterStatus.objects.filter(last_status_change__isnull=False).order_by('-last_status_change').first()
+    if last_router_status_change:
+        last_status_change_timestamp = last_router_status_change.last_status_change.isoformat()
+    else:
+        last_status_change_timestamp = "0"
+    return JsonResponse({'last_status_change': last_status_change_timestamp})
+
+
 def view_export_router_list(request):
-    router_list = {}
     webadmin_settings, _ = WebadminSettings.objects.get_or_create(name='webadmin_settings')
-    webadmin_settings.monitoring_last_run = timezone.now()
+    # Not updating the monitoring last run here, as this view is also used on the dashboard
     if not webadmin_settings.router_config_last_updated:
         webadmin_settings.router_config_last_updated = timezone.now()
         webadmin_settings.save()
 
-    for router in Router.objects.filter(enabled=True, monitoring=True):
+    if request.GET.get('filter_group'):
+        router_group = get_object_or_404(RouterGroup, uuid=request.GET.get('filter_group'))
+        query_router_list = router_group.routers.all().filter(enabled=True, monitoring=True)
+    else:
+        query_router_list = Router.objects.filter(enabled=True, monitoring=True)
+
+    router_list = {}
+    for router in query_router_list:
         router_list[str(router.uuid)] = {
             'address': router.address,
             'name': router.name,

router_manager/views.py

@@ -16,6 +16,12 @@ from user_manager.models import UserAcl
 @login_required
 def view_router_list(request):
     router_list = Router.objects.all().order_by('name')
+    last_router_status_change = RouterStatus.objects.filter(last_status_change__isnull=False).order_by('-last_status_change').first()
+    if last_router_status_change:
+        last_status_change_timestamp = last_router_status_change.last_status_change.isoformat()
+    else:
+        last_status_change_timestamp = 0
+
     default_backup_profile, _ = BackupProfile.objects.get_or_create(name='default')
     filter_group = None
     if request.GET.get('filter_group'):
@@ -32,6 +38,7 @@ def view_router_list(request):
         'page_title': 'Router List',
         'filter_group_list': RouterGroup.objects.all().order_by('name'),
         'filter_group': filter_group,
+        'last_status_change_timestamp': last_status_change_timestamp,
     }
     return render(request, 'router_manager/router_list.html', context=context)
 

routerfleet/urls.py

@@ -6,7 +6,7 @@ from user_manager.views import view_manage_user, view_user_list
 from accounts.views import view_login, view_logout, view_create_first_user
 from router_manager.views import view_router_list, view_manage_router, view_router_group_list, view_ssh_key_list, view_manage_router_group, view_manage_sshkey, view_router_details, view_create_instant_backup_task, view_router_availability
 from backup.views import view_backup_profile_list, view_manage_backup_profile, view_backup_list, view_backup_details, view_debug_run_backups, view_compare_backups, view_backup_download, view_backup_delete
-from monitoring.views import view_export_router_list, view_update_router_status, view_router_config_timestamp
+from monitoring.views import view_export_router_list, view_update_router_status, view_router_config_timestamp, view_router_last_status_change
 from backup_data.views import view_generate_backup_schedule, view_create_backup_tasks, view_perform_backup_tasks, view_housekeeping
 from routerfleet_tools.views import cron_check_updates
 
@@ -40,6 +40,7 @@ urlpatterns = [
     path('monitoring/export_router_list/', view_export_router_list, name='export_router_list'),
     path('monitoring/update_router_status/', view_update_router_status, name='update_router_status'),
     path('monitoring/router_config_timestamp/', view_router_config_timestamp, name='router_config_timestamp'),
+    path('monitoring/last_status_change/', view_router_last_status_change, name='last_status_change'),
     path('cron/generate_backup_schedule/', view_generate_backup_schedule, name='generate_backup_schedule'),
     path('cron/create_backup_tasks/', view_create_backup_tasks, name='create_backup_tasks'),
     path('cron/perform_backup_tasks/', view_perform_backup_tasks, name='perform_backup_tasks'),

templates/router_manager/router_list.html

@@ -37,7 +37,7 @@
                                         <td>{{ router.get_router_type_display }}</td>
                                         <td>{{ router.address }}</td>
 
-                                        <td>
+                                        <td id="status-{{ router.uuid }}">
                                             {% if router.monitoring %}
                                                 {% if router.routerstatus.status_online %}
                                                     <span style="display: none">online</span><i class="far fa-check-circle text-success" title="Host is Online"></i>
@@ -95,4 +95,59 @@
 {% endblock %}
 
 {% block custom_page_scripts %}
+    <script>
+        var last_status_change = "{{ last_status_change_timestamp }}";
+        var group_uuid = "{{ filter_group.uuid|default_if_none:'' }}";
+        var status_online_text = '<span style="display: none">online</span><i class="far fa-check-circle text-success" title="Host is Online"></i>';
+        var status_offline_text = '<span style="display: none">offline</span><i class="far fa-times-circle text-danger" title="Host is unavailable"></i>';
+        
+        function checkStatusChange() {
+            $.ajax({
+                url: "/monitoring/last_status_change/",
+                success: function(data) {
+                    if (data.last_status_change !== last_status_change) {
+                        // Update last_status_change and fetch new router list
+                        last_status_change = data.last_status_change;
+                        fetchRouterList();
+                    }
+                }
+            });
+        }
+
+        function fetchRouterList() {
+            var url = group_uuid ? "/monitoring/export_router_list/?filter_group=" + group_uuid : "/monitoring/export_router_list/";
+            $.ajax({
+                url: url,
+                success: function(data) {
+                    updateRouterStatuses(data.router_list);
+                }
+            });
+        }
+
+        function updateRouterStatuses(routerList) {
+            for (var uuid in routerList) {
+                var router = routerList[uuid];
+                var $statusTd = $('#status-' + uuid);
+                var currentStatus = $statusTd.find('span').text().trim();
+                var newStatus = router.online ? 'online' : 'offline';
+                var newStatusHtml = router.online ? status_online_text : status_offline_text;
+
+                if (currentStatus !== newStatus) {
+                    $statusTd.html(newStatusHtml);
+
+                    $(document).Toasts('create', {
+                        class: router.online ? 'bg-success' : 'bg-danger',
+                        title: 'Host status updated',
+                        body: 'Host ' + router.name + ' is now ' + newStatus,
+                        delay: 10000,
+                        autohide: true
+                    });
+                }
+            }
+        }
+        setInterval(checkStatusChange, 30000);
+        $(document).ready(function() {
+            checkStatusChange();
+        });
+    </script>
 {% endblock %}