trigger

Prometheus: monitoring a custom Service using ServiceMonitor and PrometheusRule


Categories: Kubernetes, Monitoring

If you are running the Prometheus Operator as part of your monitoring stack (e.g. kube-prometheus-stack) then you can have your custom Service monitored by defining a ServiceMonitor CRD. The ServiceMonitor is an object that defines the service endpoints that should be scraped by Prometheus and at what interval. In this article, we will deploy a … Prometheus: monitoring a custom Service using ServiceMonitor and PrometheusRule

Zabbix: LLD low-level discovery returning multiple values


Categories: Monitoring, Scripting

Zabbix low-level discovery (LLD) provides a way to create an array of related items, triggers, or graphs without needing to know the exact number of entities up front. The easiest way to populate the keys of a discovery item is to add a “UserParameter” in zabbix_agentd.conf, and then the Zabbix agent will  invokes a script which returns the set … Zabbix: LLD low-level discovery returning multiple values

ELK: ElastAlert for alerting based on data from ElasticSearch


Categories: DevOps, Linux, Logging, Monitoring

ElasticSearch’s commercial X-Pack has alerting functionality based on ElasticSearch conditions, but there is also a strong open-source contender from Yelp’s Engineering group called ElastAlert. ElastAlert offers developers the ultimate control, with the ability to easily create new rules, alerts, and filters using all the power and libraries of Python.