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Chainguard Images Reference

Image Overview: grafana-rollout-operator

Overview: grafana-rollout-operator Chainguard Image
Reference Chainguard Images Product

Kubernetes Rollout Operator coordinates the rollout of pods between different StatefulSets within a specific namespace, and can be used to manage multi-AZ deployments

Download this Image

The image is available on cgr.dev:

docker pull cgr.dev/chainguard/grafana-rollout-operator:latest

How to install via Helm only rollout operator:

helm repo add grafana https://grafana.github.io/helm-charts
kubectl create ns grafana-rollout-operator
helm install grafana-rollout-operator garafana/rollout-operator \
    --set image.repository=cgr.dev/chainguard/grafana-rollout-operator \
    --set image.tag=latest

Get Daemonset count

kubectl get deploy grafana-rollout-operator -n grafana-rollout-operator

This works in conjencture with mimir-distributed

Add Labels and Annotations to ingester zones

kubectl label sts mimir-ingester-zone-a grafana.com/min-time-between-zones-downscale=2m -n mimir
kubectl label sts mimir-ingester-zone-a grafana.com/prepare-downscale=true -n mimir
kubectl annotate sts mimir-ingester-zone-a grafana.com/prepare-downscale-http-path=ingester/prepare-shutdown -n mimir
kubectl annotate sts mimir-ingester-zone-a grafana.com/prepare-downscale-http-port=80 -n mimir

kubectl label sts mimir-ingester-zone-b grafana.com/min-time-between-zones-downscale=2m -n mimir
kubectl label sts mimir-ingester-zone-b grafana.com/prepare-downscale=true -n mimir
kubectl annotate sts mimir-ingester-zone-b grafana.com/rollout-downscale-leader=mimir-ingester-zone-a -n mimir
kubectl annotate sts mimir-ingester-zone-b grafana.com/prepare-downscale-http-path=ingester/prepare-shutdown -n mimir
kubectl annotate sts mimir-ingester-zone-b grafana.com/prepare-downscale-http-port=80 -n mimir

kubectl label sts mimir-ingester-zone-c grafana.com/min-time-between-zones-downscale=2m -n mimir
kubectl label sts mimir-ingester-zone-c grafana.com/prepare-downscale=true -n mimir
kubectl annotate sts mimir-ingester-zone-c grafana.com/rollout-downscale-leader=mimir-ingester-zone-b -n mimir
kubectl annotate sts mimir-ingester-zone-c grafana.com/prepare-downscale-http-path=ingester/prepare-shutdown -n mimir
kubectl annotate sts mimir-ingester-zone-c grafana.com/prepare-downscale-http-port=80 -n mimir

Check for logs

kubectl logs deployment/mimir-rollout-operator -n mimir

It should say something like

level=debug ts=2024-05-14T17:02:34.97299692Z msg="reconciling StatefulSet" statefulset=mimir-store-gateway-zone-a
level=debug ts=2024-05-14T17:02:34.973309878Z msg="reconciling StatefulSet" statefulset=mimir-store-gateway-zone-b
level=debug ts=2024-05-14T17:02:34.97338692Z msg="reconciling StatefulSet" statefulset=mimir-store-gateway-zone-c
level=debug ts=2024-05-14T17:02:34.97363967Z msg="reconciling StatefulSet" statefulset=mimir-ingester-zone-a
level=debug ts=2024-05-14T17:02:34.973721503Z msg="reconciling StatefulSet" statefulset=mimir-ingester-zone-b
level=debug ts=2024-05-14T17:02:34.973819586Z msg="reconciling StatefulSet" statefulset=mimir-ingester-zone-c

Last updated: 2024-05-16 00:37