[feature] Added dashboard pie charts for radius monitoring

.github/workflows/ci.yml

@@ -64,6 +64,7 @@ jobs:
  run: |
  pip install -e .[saml,openvpn_status]
  pip install ${{ matrix.django-version }}
+ pip install --force-reinstall --upgrade --no-cache-dir --no-deps https://github.com/openwisp/openwisp-utils/tarball/dashboard-chart-filter
 
  - name: QA checks
  run: |

openwisp_radius/integrations/monitoring/apps.py

@@ -1,12 +1,20 @@
 from django.apps import AppConfig
+from django.db import models
+from django.db.models import Count, Sum
+from django.db.models.functions import Cast, Round
 from django.db.models.signals import post_save
+from django.utils.timezone import localdate
 from django.utils.translation import gettext_lazy as _
 from openwisp_monitoring.monitoring.configuration import (
  _register_chart_configuration_choice,
  register_metric,
 )
 from swapper import load_model
 
+from openwisp_utils.admin_theme import register_dashboard_chart
+
+from .utils import get_datetime_filter_start_date, get_datetime_filter_stop_date
+
 
 class OpenwispRadiusMonitoringConfig(AppConfig):
  name = 'openwisp_radius.integrations.monitoring'
@@ -15,9 +23,84 @@ class OpenwispRadiusMonitoringConfig(AppConfig):
 
  def ready(self):
  super().ready()
+ self.register_dashboard_charts()
  self.register_radius_metrics()
  self.connect_signal_receivers()
 
+ def register_dashboard_charts(self):
+ register_dashboard_chart(
+ position=20,
+ config={
+ 'name': _("Today's RADIUS sessions"),
+ 'query_params': {
+ 'app_label': 'openwisp_radius',
+ 'model': 'radiusaccounting',
+ 'filter': {
+ 'start_time__date': localdate,
+ },
+ 'aggregate': {
+ 'open': Count(
+ 'session_id', filter=models.Q(stop_time__isnull=True)
+ ),
+ 'closed': Count(
+ 'session_id', filter=models.Q(stop_time__isnull=False)
+ ),
+ },
+ },
+ 'colors': {
+ 'open': '#267126',
+ 'closed': '#a72d1d',
+ },
+ 'filters': {
+ 'key': 'stop_time__isnull',
+ 'open': 'True',
+ 'closed': 'False',
+ },
+ 'main_filters': {
+ 'start_time__gte': get_datetime_filter_start_date,
+ 'start_time__lt': get_datetime_filter_stop_date,
+ },
+ 'labels': {
+ 'open': 'Open',
+ 'closed': 'Closed',
+ },
+ },
+ )
+ register_dashboard_chart(
+ position=21,
+ config={
+ 'name': _("Today's RADIUS traffic (GB)"),
+ 'query_params': {
+ 'app_label': 'openwisp_radius',
+ 'model': 'radiusaccounting',
+ 'filter': {
+ 'start_time__date': localdate,
+ },
+ 'aggregate': {
+ 'download_traffic': Round(
+ Cast(Sum('input_octets'), models.FloatField()) / 10**9, 1
+ ),
+ 'upload_traffic': Round(
+ Cast(Sum('output_octets'), models.FloatField()) / 10**9, 1
+ ),
+ },
+ },
+ 'colors': {
+ 'download_traffic': '#1f77b4',
+ 'upload_traffic': '#ff7f0e',
+ },
+ 'labels': {
+ 'download_traffic': 'Download traffic (GB)',
+ 'upload_traffic': 'Upload traffic (GB)',
+ },
+ 'main_filters': {
+ 'start_time__gte': get_datetime_filter_start_date,
+ 'start_time__lt': get_datetime_filter_stop_date,
+ },
+ 'filtering': 'False',
+ },
+ )
+
  def register_radius_metrics(self):
  from .configuration import RADIUS_METRICS
 

openwisp_radius/integrations/monitoring/utils.py

@@ -0,0 +1,23 @@
+from datetime import datetime, timedelta
+
+from django.utils import timezone
+
+local_timezone = timezone.get_current_timezone()
+
+
+def _get_formatted_datetime_string(date_time):
+ return (
+ str(datetime.combine(date_time, datetime.min.time()).astimezone(local_timezone))
+ .replace(' ', '+')
+ .replace(':', '%3A')
+ )
+
+
+def get_datetime_filter_start_date():
+ start_date = timezone.localdate()
+ return _get_formatted_datetime_string(start_date)
+
+
+def get_datetime_filter_stop_date():
+ stop_date = timezone.localdate() + timedelta(days=1)
+ return _get_formatted_datetime_string(stop_date)