Revisions 423, 424, 425

A new stable revision of Charmed MySQL for K8s has been published in the 8.0/stable channel on Charmhub .

See also: System requirements, How to upgrade

Architecture	Charm revision	MySQL version	Minimum Juju version
amd64	423	8.0.45	3.5.4+
arm64	424	8.0.45	3.5.4+
s390x	424	8.0.45	3.5.4+

If you are jumping over several stable revisions, make sure to check previous release notes before upgrading to this revision.

OCI image resources:

• mysql-image=ghcr.io/canonical/charmed-mysql@sha256:824b302484f83dbbd2cf4506f620a48e53f20053f6ff3c57aa6123e121705bfc

Highlights

• Added a dedicated self-healing service for more automated recovery scenarios.

• Improved recovery behavior for quorum loss, full outages, and expelled units.

• Added Terraform support for the expose block when deploying MySQL K8s.

• Bump MySQL to 8.0.45

What’s Changed

Features

• [MISC] 8.0 - Expose database endpoint in TF module by @sinclert-canonical in https://github.com/canonical/mysql-operators/pull/200

• [DPE-9675] doc: self healing cases by @paulomach in https://github.com/canonical/mysql-operators/pull/228

• [docs] Add mysql-shell access page by @paulomach in https://github.com/canonical/mysql-operators/pull/231

• [MISC] Remove feature rollback from incompatible by @paulomach in https://github.com/canonical/mysql-operators/pull/246

• [MISC] 8.0 - Update promote workflow by @sinclert-canonical in https://github.com/canonical/mysql-operators/pull/242

• [MISC] 8.0 - Bump pydantic library to v2 by @sinclert-canonical in https://github.com/canonical/mysql-operators/pull/260

• [MISC] Fix condition for publishing Allure results by @astrojuanlu in https://github.com/canonical/mysql-operators/pull/289

• [MISC] (8.0/edge) Improve logging of get-cluster-status by @astrojuanlu in https://github.com/canonical/mysql-operators/pull/304

• [MISC] 8.0 - Bump mysql-shell-client to v1 by @sinclert-canonical in https://github.com/canonical/mysql-operators/pull/328

• [MISC] 8.0 - Migrate to snap package by @sinclert-canonical in https://github.com/canonical/mysql-operators/pull/346

• [DPE-7872] 8.0 - Define self-healing service by @sinclert-canonical in https://github.com/canonical/mysql-operators/pull/342

• [DPE-9966] Join expelled unit (8.0/edge) by @paulomach in https://github.com/canonical/mysql-operators/pull/359

• [MISC] only auto recover no_quorum if all peers are reachable by @paulomach in https://github.com/canonical/mysql-operators/pull/366

• [misc] (8.0/edge) fixes for relations tests by @paulomach in https://github.com/canonical/mysql-operators/pull/374

Bug fixes

• [DPE-9167] Fix cluster not initialized 8.0 by @almeidaraul in https://github.com/canonical/mysql-operators/pull/119

• [MISC] 8.0 - Fix COS-related docs by @sinclert-canonical in https://github.com/canonical/mysql-operators/pull/207

• [DPE-9791] Handle stale primary on crash when joining peer by @paulomach in https://github.com/canonical/mysql-operators/pull/233

• [fix] Add robustness to peer address resolution by @paulomach in https://github.com/canonical/mysql-operators/pull/209

• [MISC] [VM] Raise error properly if initialization fails (8.0) by @astrojuanlu in https://github.com/canonical/mysql-operators/pull/244

• [MISC] fix forcefull promotion to primary (force quorum) by @paulomach in https://github.com/canonical/mysql-operators/pull/262

• [MISC] 8.0 - Cleanup K8s legacy permissions fix [revert] by @sinclert-canonical in https://github.com/canonical/mysql-operators/pull/287

• [MISC] More FQDN resolution fixes by @astrojuanlu in https://github.com/canonical/mysql-operators/pull/292

• [MISC] Fix release test runner selectors. by @sinclert-canonical in https://github.com/canonical/mysql-operators/pull/296

• [DPE-10193] 8.0 - Fix Terraform expose block by @sinclert-canonical in https://github.com/canonical/mysql-operators/pull/312

• [MISC] Quote MYSQLD_PARENT_PID in Pebble env dict by @paulomach in https://github.com/canonical/mysql-operators/pull/326

• [MISC] Anchor logs_retention_period validator regex by @paulomach in https://github.com/canonical/mysql-operators/pull/325

• [MISC] Return after BlockedStatus when primary address missing in legacy relations by @paulomach in https://github.com/canonical/mysql-operators/pull/324

• [DPE-10337] Use non-stale data node for cluster belonging by @paulomach in https://github.com/canonical/mysql-operators/pull/345

• [MISC] Fix node count target by @paulomach in https://github.com/canonical/mysql-operators/pull/340

• [MISC] fix user deletion on legacy by @paulomach in https://github.com/canonical/mysql-operators/pull/335

• [MISC] Fix full cluster recovery when async related by @paulomach in https://github.com/canonical/mysql-operators/pull/332

• [MISC] 8.0 - update prometheus_scrape lib rev by @chanchiwai-ray in https://github.com/canonical/mysql-operators/pull/360

• [MISC] Add missing trust by @paulomach in https://github.com/canonical/mysql-operators/pull/362

• [MISC] conditional key deletion by @paulomach in https://github.com/canonical/mysql-operators/pull/355

• [DPE-9259] Safe auto-recover from no_quorum by @paulomach in https://github.com/canonical/mysql-operators/pull/338

• [MISC] Fix create_endpoint_services skipping roles after 409 by @paulomach in https://github.com/canonical/mysql-operators/pull/323

• [DPE-10340] (8.0/edge) Bump loki_push_api lib by @paulomach in https://github.com/canonical/mysql-operators/pull/370

New Contributors

• @almeidaraul made their first contribution in https://github.com/canonical/mysql-operators/pull/119

• @carlcsaposs-canonical made their first contribution in https://github.com/canonical/mysql-operators/pull/278

Full Changelog: https://github.com/canonical/mysql-operators/compare/mysql-k8s/rev399…mysql-k8s/rev423