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Reference > Release Notes > All revisions > Revision 462/463

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Revision 462/463

Canonical’s newest Charmed PostgreSQL K8s operator has been published in the 14/stable channel.

Due to the newly added support for arm64 architecture, the PostgreSQL charm now releases multiple revisions simultaneously:

Revision 462 is built for amd64 on Ubuntu 22.04 LTS
Revision 463 is built for arm64 on Ubuntu 22.04 LTS

See also: How to perform a minor upgrade

Contents

Highlights
Features and improvements
Bugfixes and maintenance
Known limitations
Requirements and compatibility
- Packaging

Highlights

Added timeline management to point-in-time recovery (PITR) (PR #716) (DPE-5581)
Added pgAudit plugin/extension (PR #688) (DPE-5116)
Observability stack (COS) improvements
- Polished built-in Grafana dashboard (PR #733) (DPE-4469)
- Improved COS alert rule descriptions (PR #727) (DPE-5658)
Added fully-featured terraform module (PR #737) (DPE-5627)
S3 backups improvements (PR #750)

Features and improvements

Removed patching of private ops class. (PR #692)
Switched charm libs from tempo_k8s to tempo_coordinator_k8s and test relay support of tracing traffic through grafana-agent-k8s (PR #725)
Added check for low storage space on pgdata volume (PR #685) (DPE-5301)
Re-enabled log forwarding (PR #671)
Avoid replication slot deletion (PR #680) (DPE-3887)
Added pgBackRest logrotate configuration (PR #722) (DPE-5600)
Grant priviledges to non-public schemas (PR #742) (DPE-5387)
Added TLS flag + CA to relation databag (PR #719) (DPE-5484)
Added warning logs to Patroni reinitialisation (PR #753) (DPE-5712)
Reduced pgdate permissions (PR #759) (DPE-5915)
Split off new interface client app tests (PR #761)
Temporarily disable log forwarding (PR #757)
Changed owner of functions, procedures and aggregates (PR #773)
Only update tls flags on leader (PR #770)
Preload shared libs on normal PG start (PR #774) (DPE-6033)

Bugfixes and maintenance

Fixed PITR backup test instabilities (PR #690)
Fixed some postgresql.conf parameters for hardening (PR #702) (DPE-5511)
Fixed event deferring issue with missing S3 relation (PR #762) (DPE-5934)
Fixed connection rejection rule in pg_hba.conf (PR #751) (DPE-5689)

Libraries, testing, and CI

[Hotfix] Remove failing tests from CI (PR #693)
Reenable full cluster restart tests (PR #559) (DPE-5327)
Reenable label rollback test (PR #754) (DPE-5693)
Use more meaningful group naming for multi-group tests (PR #707)
Reenable labelling tests (PR #728)
increase async replication tests coverage (PR #748) (DPE-5662)
Run integration tests against Juju 3.6 (PR #689) (DPE-4977)
Lock file maintenance Python dependencies (PR #777)
Migrate config .github/renovate.json5 (PR #769)
Switch from tox build wrapper to charmcraft.yaml overrides (PR #708)
Update codecov/codecov-action action to v5 (PR #771)
Update data-platform-workflows to v23.0.5 (PR #776)
Update dependency juju/juju to v2.9.51 (PR #717)
Update dependency juju/juju to v3.4.6 (PR #720)
Update dependency ubuntu to v24 (PR #711)
Update ghcr.io/canonical/charmed-postgresql Docker tag to v14.13 (PR #658)

Known limitations

Juju 3.6.1+ is required for Terraform-Provider-Juju consistent usage (more details here).

Requirements and compatibility

(no change) Minimum Juju 2 version: v.2.9.49
(no change) Minimum Juju 3 version: v.3.4.3

See the system requirements for more details about Juju versions and other software and hardware prerequisites.

Integration tests

Below are some of the charm integrations tested with this revision on different Juju environments and architectures:

Juju v.2.9.51 on amd64
Juju v.3.4.6 on amd64 and arm64

Software	Revision	Tested on
postgresql-test-app	`rev 279`
	`rev 278`
data-integrator	`rev 41`
	`rev 40`
s3-integrator	`rev 77`
	`rev 78`
tls-certificates-operator	`rev 22`
self-signed-certificates	`rev 155`
	`rev 205`
mattermost-k8s	`rev 27`
indico	`rev 233`
redis-k8s	`rev 7`
	`rev 38`
discourse-k8s	`rev 173`

Packaging

This charm is based on the Charmed PostgreSQL K8s [ROCK ]. It packages:

postgresql v.14.13
pgbouncer v.1.21
patroni v.3.1.2
pgBackRest v.2.53
prometheus-postgres-exporter v.0.12.1

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