Maintenance plan

This document outlines every piece of the platform that need upgrading and updating.

Lagoon

Update interval: 1-4 months Release URL: https://github.com/uselagoon/lagoon/releases Upgrade Docs URL: Expect downtime: Highly likely Time to do: Unknown at the time of writing (most likely a day the first time) Runbook: Upgrading Lagoon Notes:

AKS

Update interval: monthly Release URL: https://learn.microsoft.com/en-us/azure/aks/supported-kubernetes-versions?tabs=azure-cli Upgrade Docs URL: https://learn.microsoft.com/en-us/azure/aks/upgrade-aks-cluster?tabs=azure-portal Expect downtime: yes, there'll be a very short outage alike to releases Time to do: 2-6 hours Runbook: Update AKS Notes:

Support Workloads

We have a number of support workloads. Which at the time of writing is all Helm Charts. Information on Helm upgrades can be found on the Helm website. There's a general runbook for upgrading the support workloads here: Upgrade Support Workloads.

Cert-manager

Update interval: every 6 months Release URL: https://github.com/cert-manager/cert-manager/releases Upgrade Docs URL: https://cert-manager.io/docs/installation/upgrade/ Expect downtime: Unknown, but likely none Time to do: Unknown, but likely < 1 hour Runbook: Upgrade Cert-manager. Notes:

Grafana

Update interval: Quaterly Release URL: https://github.com/grafana/grafana/releases Upgrade Docs URL: Expect downtime: No, maybe a little for Grafana, but nothing that affects the libraries. Time to do: Unknown Runbook: Upgrade Grafana Notes:

Harbor

Update interval: Half yearly Release URL: https://github.com/goharbor/harbor-helm/releases Upgrade Docs URL: https://github.com/goharbor/harbor-helm/blob/main/docs/Upgrade.md Expect downtime: Harbor will have downtime, it will affect sites that need redeployment as well as developers who firing up and environment. Time to do: Unknown Runbook: Upgrading Harbor Notes:

Nginx Ingress Controller

Update interval: Half yearly Release URL: https://github.com/kubernetes/ingress-nginx/releases Upgrade Docs URL: https://kubernetes.github.io/ingress-nginx/deploy/upgrade/#with-helm Expect downtime: Highly likely Time to do: Unkonwn Runbook: Upgrading Nginx-ingresss Notes:

K8up

DO NOT UPGRADE. From time to time we should checkin with this page K8Up in lagoon , where they'll hopefully give and update when it is possible to update K8Up to a later version than version 1.x.x Check every quarter.

Loki

Update interval: Half yearly Release URL: https://artifacthub.io/packages/helm/grafana/loki Upgrade Docs URL: https://grafana.com/docs/loki/latest/setup/upgrade/ Expect downtime: Might be some, but nothing that will hit the libraries Time to do: Unkown Runbook: Upgrade Loki Notes:

Minio

As we're replacing Minio, we will have to do a section on what ever tool we're replacing it with.

Prometheus

Update interval: Half yearly Release URL: https://github.com/prometheus-community/helm-charts/releases?q=kube-prometheus-stack&expanded=true Upgrade Docs URL: https://artifacthub.io/packages/helm/prometheus-community/kube-prometheus-stack#upgrading-chart Expect downtime: Probably, but nothing the libraries will be affected by Time to do: Unkown Runbook: Upgrading Prometheus Notes:

Promtail

Update interval: Half yearly Release URL: https://github.com/grafana/helm-charts/releases?q=promtail&expanded=true Upgrade Docs URL: https://github.com/grafana/helm-charts/blob/main/charts/promtail/README.md#upgrading Expect downtime: Probably, but nothing that concerns the libraries. Time to do: Unknown Runbook: Upgrading Promtail Notes:

DPL Shell parts

The DPL Shell integrates our day to day tools. The ones, that are not upgraded automatically when a new version of DPL Shell is created, are listed below. Most of these, if not all, are watched by dependabot on GitHub, so we are notified about updates pretty quickly.

Terraform

Update interval: Yearly Release URL: https://hub.docker.com/r/hashicorp/terraform/tags?page=1&ordering=last_updated Expect downtime: None Time to do: 1 hour Runbook: Notes:

Azure CLI

Update interval: Half yearly Release URL: https://mcr.microsoft.com/v2/azure-cli/tags/list Expect downtime: None Time to do: 1 hour Runbook: Notes:

kubelogin

Update interval: Quarterly Release URL: https://github.com/Azure/kubelogin/releases Expect downtime: None Time to do: 1 hour Runbook: Notes:

Krew

Update interval: Half yearly Release URL: https://github.com/kubernetes-sigs/krew/releases Expect downtime: None Time to do: 1 hour Runbook: Notes:

Task

Update interval: Half yearly Release URL: https://github.com/go-task/task/releases Expect downtime: None Time to do: 1 hour Runbook: Notes:

Lagoon CLI

Update interval: Quarterly Release URL: https://github.com/uselagoon/lagoon-cli/releases Expect downtime: None Time to do: 1 hour Runbook: Notes: Dependabot has not as of yet notified us of any available updates, so we have to check manually.

Helm

Update interval: Quarterly Release URL: https://hub.docker.com/r/alpine/helm/tags?page=1&ordering=last_updated Expect downtime: None Time to do: 1 hour Runbook: Notes: