NewsBlur/apps/monitor/views/newsblur_tasks_pipeline.py

import datetime

from django.conf import settings
from django.shortcuts import render
from django.views import View

class TasksPipeline(View):

    def get(self, request):
        data =self.stats
        chart_name = "task_pipeline"
        chart_type = "counter"

        formatted_data = {}
        for k, v in data.items():
            formatted_data[k] = f'{chart_name}{{category="{k}"}} {v}'
        context = {
            "data": formatted_data,
            "chart_name": chart_name,
            "chart_type": chart_type,
        }
        return render(request, 'monitor/prometheus_data.html', context, content_type="text/plain")
    
    @property
    def stats(self):
        
        stats = settings.MONGOANALYTICSDB.nbanalytics.feed_fetches.aggregate([{
            "$match": {
                "date": {
                    "$gt": datetime.datetime.now() - datetime.timedelta(minutes=5),
                },
            },
        }, {
            "$group": {
                "_id":          1,
                "feed_fetch":   {"$avg": "$feed_fetch"},
                "feed_process": {"$avg": "$feed_process"},
                "page":         {"$avg": "$page"},
                "icon":         {"$avg": "$icon"},
                "total":        {"$avg": "$total"},
            },
        }])
        stats = list(stats)
        if stats:
            print(stats)
            return list(stats)[0]
        else:
            return {}