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Selecting managed application versions #1246
Description
Platform users need to select particular versions of managed applications, such as tenant Kubernetes and databases.
Kubernetes
- [kubernetes] User-selectable cluster version #1191
- [kubernetes] Explicitly mention available K8s versions #1212
Current state (as of 2026-06)
The curated version enum pattern (a version values field backed by a files/versions.yaml major→image-tag map, validated at render time) is now established for 7 engines. The remaining managed apps are pinned to a single chart-baked version, and FoundationDB exposes an unvalidated free-form version.
| App | Version selectable? | Mechanism | Versions offered |
|---|---|---|---|
| postgres | Yes | version enum → versions map |
v18, v17, v16, v15, v14, v13 (default v18) |
| mariadb | Yes | version enum → versions map |
v11.8, v11.4, v10.11, v10.6 (default v11.8) |
| mongodb | Yes | version enum → versions map |
v8, v7, v6 (default v8) |
| redis | Yes | version enum → versions map |
v8, v7 (default v8) |
| rabbitmq | Yes | version enum → versions map |
v4.2, v4.1, v4.0, v3.13 (default v4.2) |
| opensearch | Yes | version enum → versions map |
v3, v2, v1 (default v2) |
| kubernetes | Yes | version enum → versions map |
v1.35, v1.34, v1.33, v1.32, v1.31, v1.30 (default v1.35) |
| foundationdb | Partial | free-form cluster.version string (no enum/validation) |
default 7.3.63 |
| clickhouse | No | hardcoded in chart | 24.9.2 |
| harbor | No | hardcoded in chart | 2.14.2 |
| kafka | No | hardcoded in chart | 3.7.0 |
| nats | No | hardcoded in chart | 1.4.1 |
| openbao | No | hardcoded in chart | 2.5.0 |
| qdrant | No | hardcoded in chart | v1.16.3 |
| http-cache | No | hardcoded (nginx) | 1.25.3 |
| tcp-balancer | No | hardcoded (haproxy) | 2.9.7 |
| vpn | No | hardcoded in chart | 1.8.1 |
| bucket / vm-disk / vm-instance / tenant / vpc | N/A | no engine-version concept | — |
Gaps
- foundationdb:
cluster.versionis a free-form string with no curated list or validation — should adopt the enum +files/versions.yamlpattern. - High-value missing selection: clickhouse, kafka, harbor, openbao, qdrant are managed services pinned to one version; users cannot pick a major line and upgrades are coupled to Cozystack releases. clickhouse and kafka are the highest priority (data-tier major-version compatibility).
- Lower priority: http-cache, tcp-balancer, vpn, nats — single-version is more defensible for proxy/infra components.
Activity
feat(clickhouse): add configurable version parameter
feat(clickhouse): add configurable version parameter (#3476)
feat(clickhouse): add configurable version parameter
feat(clickhouse): add configurable version parameter
feat(clickhouse): add configurable version parameter (#3476)