This article is a quick start HowTo for kubernetes. It doesn’t include some k8s stuff like namespaces, jobs, cronjobs, history, ReplicaSet, auto service discovery, supervision and other. Just quick description as simple as possible to be able to start working with the Kubernetes. What is the Kubernetes? For simplicity: this is a container management system….
How to configure Alertmanager This article is about prometheus-operator configuration with the Prometheus and Alertmanager from the Helm package located here: https://github.com/helm/charts/tree/master/stable/prometheus-operator Who is who Prometheus generating Alerts! You can find alert rules in the prometheus directory: ./templates/prometheus/rules/ You can also found it in the prometheus web interface ( /alert page ). Alertmanager only sort,…
Prometheus custom scrape Scrape job – is another way to configure Prometheus metrics collecting. Here is example with the Drone.io (Drone-CI) app monitoring by Prometheus and Grafana as a Helm deployment in the Kubernetes environment. Drone We will use Drone Helm charts from here: https://github.com/helm/charts/tree/master/stable/drone . It has built-in metrics exporter as part of drone…
How to add a new custom serviceMonitor in Prometheus? Here is example with PostgreSQL monitoring by Prometheus and Grafana as a Helm deployment in Kubernetes environment. Posgresql We will use this helm chart: https://github.com/helm/charts/tree/master/stable/postgresql It has built-in prometheus metric exporter (as additional container in pod). Turn on metrics settings in values.yaml: metrics: enabled: true serviceMonitor:…