2 September 2021, Apache Solr Operator™ v0.4.0 available

The Solr PMC is pleased to announce the release of the Apache Solr Operator v0.4.0

The Solr Operator is the official and recommended way of managing your Solr ecosystem on Kubernetes.

The Solr Operator v0.4.0 is available for immediate download at: https://solr.apache.org/operator/artifacts.html

Note: The Apache Software Foundation uses an extensive mirroring network for distributing releases. It is possible that the mirror you are using may not have replicated the release yet. If that is the case, please try another mirror.

Please report any feedback to the mailing lists (https://solr.apache.org/operator/community.html#mailing-lists-chat)

Solr Operator v0.4.0 Release Highlights:

• A new Helm chart for templating the Solr resource.
  
  • Users must still run the Solr Operator, preferably through the Solr Operator Helm chart.
• Support for hostpath for the Solr data volume when in ephemeral mode
• Scheduled restarts of Solr Clouds and Solr Prometheus Exporters
• The default version of Solr has been upgraded to 8.9
• Allow for custom service accounts to be used when running Solr
• Upgrade the Zookeeper Operator dependency to v0.2.12
• Allow for ephemeral storage when running a provided Zookeeper cluster
  • The storage type for Zookeeper will default to the option chosen for Solr
• Enable configuration of provided Zookeeper Config options
• Use a more secure base image for the Solr Operator
• The PrometheusExporter now accepts custom pod probes (liveness, readiness, startup)
• Fix permissions in the default bootstrapped security.json
• Allow for terminating the Solr TLS at the ingress
• Allow for loading in TLS information from a mounted directory (SolrCloud and SolrPrometheusExporter)
• SolrCloud now supports separate server and client certs for mTLS
• The Solr Operator supports hot-reloading of TLS client certs used to connect to Solr (enabled by default)

A summary of important changes is published in the documentation at:

<https://apache.github.io/solr-operator/docs/upgrade-notes.html>

For the most exhaustive list, see the change log on ArtifactHub or view the git history in the Solr Operator repo.

<https://artifacthub.io/packages/helm/apache-solr/solr-operator?modal=changelog>

<https://github.com/apache/solr-operator/releases/tag/v0.4.0>