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Supported versions

Charmed Kubernetes officially supports the most recent three (3) minor releases of Kubernetes.

Current Release: 1.24

Supported releases: 1.24.x,1.23.x, 1.21.x

Charmed Kubernetes bundle versions

Charmhub.io hosts the Charmed Kubernetes bundles as well as individual charms. To deploy the latest, stable bundle, run the command:

juju deploy charmed-kubernetes

It is also possible to deploy a specific version of the bundle by including the revision number. For example, to deploy the Charmed Kubernetes bundle for the Kubernetes 1.21 release, you could run:

juju deploy charmed-kubernetes --revision=733
Older Versions:

Previous versions of Charmed Kubernetes used the name canonical-kubernetes. These versions are still available under that name and links in the charm store. Versions from 1.14 onwards will use charmed-kubernetes.

The revision numbers for bundles are generated automatically when the bundle is updated, including for testing and beta versions, so it isn't always the case that a higher revision number is 'better'. The revision numbers for the release versions of the Charmed Kubernetes bundle are shown in the table below:

Kubernetes version Charmed Kubernetes bundle
1.23.x charmed-kubernetes-862
1.22.x charmed-kubernetes-814
1.21.x charmed-kubernetes-733
1.20.x charmed-kubernetes-596
1.19.x charmed-kubernetes-545
1.18.x charmed-kubernetes-485
1.17.x charmed-kubernetes-410
1.16.x charmed-kubernetes-316
1.15.x charmed-kubernetes-209
1.14.x charmed-kubernetes-124

Note: Only the latest three versions of Charmed Kubernetes are supported at any time.

Finding version info

To check which versions of Kubernetes are available, use the snap info command:

snap info kube-apiserver

Keep in mind that although snap info enumerates all available versions, only the latest three stable versions are officially supported:

```no-highlight name: kube-apiserver summary: Kubernetes master component that exposes the Kubernetes API. publisher: Canonical✓ store-url: https://snapcraft.io/kube-apiserver contact: https://www.ubuntu.com/kubernetes license: Apache-2.0 description: | Kube-apiserver is the front-end for the Kubernetes control plane. It validates and configures data for the api objects which include pods, services, replicationcontrollers, and others. The API Server services REST operations and provides the frontend to the cluster’s shared state through which all other components interact.

For more information, consult the reference documentation. snap-id: KMZLusdClmUyLXAjjcI4sVnpjk1kM653 channels: latest/stable: 1.23.0 2021-12-15 (2493) 23MB - latest/candidate: 1.23.0 2021-12-15 (2493) 23MB - latest/beta: 1.23.0 2021-12-15 (2493) 23MB - latest/edge: 1.23.0 2021-12-15 (2493) 23MB - 1.24/stable: –
1.24/candidate: –
1.24/beta: –
1.24/edge: 1.24.0-alpha.1 2021-12-11 (2513) 23MB - 1.23/stable: 1.23.0 2021-12-08 (2493) 23MB - 1.23/candidate: 1.23.0 2021-12-08 (2493) 23MB - 1.23/beta: 1.23.0 2021-12-08 (2493) 23MB - 1.23/edge: 1.23.0 2021-12-08 (2493) 23MB - 1.22/stable: 1.22.4 2021-11-18 (2456) 22MB - 1.22/candidate: 1.22.4 2021-11-18 (2456) 22MB - 1.22/beta: 1.22.4 2021-11-18 (2456) 22MB - 1.22/edge: 1.22.4 2021-11-18 (2456) 22MB - 1.21/stable: 1.21.7 2021-11-18 (2433) 22MB - 1.21/candidate: 1.21.7 2021-11-18 (2433) 22MB - 1.21/beta: 1.21.7 2021-11-18 (2433) 22MB - 1.21/edge: 1.21.7 2021-11-18 (2433) 22MB - 1.20/stable: 1.20.14 2021-12-16 (2519) 22MB - 1.20/candidate: 1.20.14 2021-12-16 (2519) 22MB - 1.20/beta: 1.20.14 2021-12-16 (2519) 22MB - 1.20/edge: 1.20.14 2021-12-16 (2519) 22MB - 1.19/stable: 1.19.16 2021-10-29 (2419) 22MB - 1.19/candidate: 1.19.16 2021-10-29 (2419) 22MB - 1.19/beta: 1.19.16 2021-10-29 (2419) 22MB - 1.19/edge: 1.19.16 2021-10-29 (2419) 22MB - 1.18/stable: 1.18.20 2021-08-09 (2219) 23MB - 1.18/candidate: 1.18.20 2021-08-09 (2219) 23MB - 1.18/beta: 1.18.20 2021-08-09 (2219) 23MB - 1.18/edge: 1.18.20 2021-08-09 (2219) 23MB - 1.17/stable: 1.17.17 2021-01-15 (1962) 23MB - 1.17/candidate: 1.17.17 2021-01-15 (1962) 23MB - 1.17/beta: 1.17.17 2021-01-15 (1962) 23MB - 1.17/edge: 1.17.17 2021-01-15 (1962) 23MB - 1.16/stable: 1.16.15 2020-10-20 (1789) 22MB - 1.16/candidate: 1.16.15 2020-10-20 (1789) 22MB - 1.16/beta: 1.16.15 2020-10-20 (1789) 22MB - 1.16/edge: 1.16.15 2020-10-20 (1789) 22MB - 1.15/stable: 1.15.12 2020-05-20 (1663) 24MB - 1.15/candidate: 1.15.12 2020-05-20 (1663) 24MB - 1.15/beta: 1.15.12 2020-05-20 (1663) 24MB - 1.15/edge: 1.15.12 2020-05-20 (1663) 24MB - 1.14/stable: 1.14.10 2019-12-16 (1505) 24MB - 1.14/candidate: 1.14.10 2019-12-16 (1505) 24MB - 1.14/beta: 1.14.10 2019-12-16 (1505) 24MB - 1.14/edge: 1.14.10 2019-12-16 (1505) 24MB - 1.13/stable: 1.13.12 2019-10-17 (1434) 23MB - 1.13/candidate: 1.13.12 2019-10-17 (1434) 23MB - 1.13/beta: 1.13.12 2019-10-17 (1434) 23MB - 1.13/edge: 1.13.13-beta.0 2019-10-16 (1371) 23MB - 1.12/stable: 1.12.9 2019-06-05 (1004) 27MB - 1.12/candidate: 1.12.9 2019-05-29 (1004) 27MB - 1.12/beta: 1.12.9 2019-05-29 (1004) 27MB - 1.12/edge: 1.12.9 2019-05-29 (1004) 27MB - 1.11/stable: 1.11.9 2019-03-29 (866) 26MB - 1.11/candidate: 1.11.9 2019-03-26 (866) 26MB - 1.11/beta: 1.11.9 2019-03-26 (866) 26MB - 1.11/edge: 1.11.9 2019-03-26 (866) 26MB - 1.10/stable: 1.10.13 2019-02-27 (744) 25MB - 1.10/candidate: 1.10.13 2019-03-21 (838) 25MB - 1.10/beta: 1.10.13 2019-03-21 (838) 25MB - 1.10/edge: 1.10.13 2019-03-21 (838) 25MB - 1.9/stable: 1.9.11 2018-10-08 (454) 24MB - 1.9/candidate: 1.9.11 2018-10-17 (466) 24MB - 1.9/beta: 1.9.11 2018-10-17 (466) 24MB - 1.9/edge: 1.9.11 2018-10-17 (466) 24MB - 1.8/stable: 1.8.15 2018-07-11 (435) 23MB - 1.8/candidate: 1.8.15 2018-10-17 (465) 23MB - 1.8/beta: 1.8.15 2018-10-17 (465) 23MB - 1.8/edge: 1.8.15 2018-10-17 (465) 23MB - 1.7/stable: 1.7.16 2018-06-06 (395) 24MB - 1.7/candidate: 1.7.16 2018-10-17 (464) 24MB - 1.7/beta: 1.7.16 2018-10-17 (464) 24MB - 1.7/edge: 1.7.16 2018-10-17 (464) 24MB - 1.6/stable: 1.6.13 2017-11-30 (233) 21MB - 1.6/candidate: 1.6.13 2018-10-17 (463) 21MB - 1.6/beta: 1.6.13 2018-10-17 (463) 21MB - 1.6/edge: 1.6.13 2018-10-17 (463) 21MB - 1.5/stable: 1.5.5 2017-05-17 (3) 17MB - 1.5/candidate: 1.5.5 2017-05-17 (3) 17MB - 1.5/beta: 1.5.5 2017-05-17 (3) 17MB - 1.5/edge: 1.5.5 2017-05-17 (3) 17MB -

In the above output, the stable release is identified as 1.23, and so 1.22 and 1.21 are also currently supported.

Professional support

If you are looking for additional support, find out about Ubuntu Advantage.

Canonical can also provide managed solutions for Kubernetes.

We appreciate your feedback on the documentation. You can edit this page or file a bug here.