NewsBlur/apps/monitor/views/newsblur_updates.py

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


class Updates(View):
    def get(self, request):
        r = redis.Redis(connection_pool=settings.REDIS_FEED_UPDATE_POOL)

        data = {
            "update_queue": r.scard("queued_feeds"),
            "feeds_fetched": r.zcard("fetched_feeds_last_hour"),
            "tasked_feeds": r.zcard("tasked_feeds"),
            "error_feeds": r.zcard("error_feeds"),
            "celery_update_feeds": r.llen("update_feeds"),
            "celery_new_feeds": r.llen("new_feeds"),
            "celery_push_feeds": r.llen("push_feeds"),
            "celery_work_queue": r.llen("work_queue"),
            "celery_search_queue": r.llen("search_indexer"),
        }
        chart_name = "updates"
        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")