v1.7.0

[v1.7.0] - 2023-06-24

Hybrid x86/ARM kubernetes cluster support (x86 and ARM cluster nodes can be used within the same Pi-Cluster).

Release Scope:

• Hybrid x86/ARM kubernetes cluster support.

  • Combine Raspberry PI 4B nodes and x86 mini PCS (HP Elitedesk 800 G3) in the same cluster.
  • Ansible code update for supporting configuration of Raspberry PI nodes and x86 nodes.

• Ubuntu OS installation automation

  • Automate process of creating boot USB disk for Raspberry PI nodes.
  • x86 nodes autoinstallation using PXE

• Node's Operating System upgrade from Ubuntu 20.04 LTS to Ubuntu 22.04 LTS.

  • Node's installation/configuration documentation update.
  • Ansible OS configuration tasks updated to fit the new OS release.

• K3s automated upgrade

  • Deploy Rancher's system-upgrade-controller app. This controller uses a [custom resource definition (CRD)], plan, to schedule upgrades based on the configured plans.
  • ArgoCD packaged application created to deploy system-upgrade-controller app and to generate upgrade plans.

• Logging solution enhancements

  • ES/Kibana upgrade to release 8.6
  • ElasticSearch's ILM policies (data retention policies) and Index templates (data model) configuration for Fluentd logs.
  • Fluentd dynamic indices creation and configuration.
  • Elasticsearch roles and users definition. File Auth Realm configured through ECK. Different roles and users created (fluentd, prometheus-elasticsearch-exporter)

• Automation enhancements

  • New Ansible-runtime environment in a docker container, ansible-runner containing all ansible packages and its dependencies. Isolating ansible run-time environment from local server.

What's Changed

• Upgrading longhorn to 1.4.0 (and CSI external snapshot controller) by @ricsanfre in #100
• Automating K3s upgrade by @ricsanfre in #101
• Patch k3s upgrade by @ricsanfre in #102
• Ansible control node encapsulated in a Docker container (ansible-runner) by @ricsanfre in #103
• Migrate external services (S3 backup/Vault) outside cluster and deploy Minio cluster service for Loki/Tempo by @ricsanfre in #104
• Rolling back vault migration by @ricsanfre in #105
• Migrate picluster website comments platform to giscus by @ricsanfre in #115
• Enabling elaticsearch ILM and Index Templates by @ricsanfre in #119
• Patch fix #122 by @ricsanfre in #123
• Adding support for hybrid cluster (x86 nodes and RaspberryPI) by @ricsanfre in #124
• Using vault secret for elastic user by @r1cebank in #125
• Upgrade to Ubuntu 22.04 LTS by @ricsanfre in #130

Full Changelog: v1.6.0...v1.7.0