Prometheus: Using Namespace Labels to Narrow Down Prometheus Query Results

1 min read

We can use the labels of a namespace to narrow down the results of a query. For example. we are going to write a query to identify Kubernetes namespaces that have external secrets in a non-ready state and belong to a specific team (we are going to use team-a in this example).

19/04/2023

How to Monitor Kubernetes Applications with Prometheus Operator

2 min read

Prometheus is an open-source systems monitoring and alerting toolkit that users a multi-dimensional data model with time series data identified by metric name and key/value pairs.

The Prometheus operator is a Kubernetes operator that simplifies the provision and management of Prometheus instances on Kubernetes. It provides easy management of Prometheus instances as native Kubernetes resources, and also includes a built-in service discovery mechanism to automatically discover and monitor Kubernetes services.

04/04/2023

Prometheus: Add label to a metric

1 min read

In Prometheus, to be able to add a label to the metrics retrieved by a particular job we can use relabel_configs.

08/03/2023

Kubernetes: Autoscaling using Prometheus as a external metrics provider

5 min read

Using an external metrics provider (Kubernetes 1.10+) we can use an HorizontalPodAutoscaler to automatically scale applications using any metric collected by Prometheus. Let's take a look on how to configure it

05/04/2022