Consul on Kubernetes Version Compatibility
For every release of Consul on Kubernetes, a Helm chart,
consul-k8s-control-plane binary and a
consul-k8s CLI binary is built and distributed through a single version. When deploying via Helm, the recommended best path for upgrading Consul on Kubernetes, is to upgrade using the same
consul-k8s-control-plane version as the Helm Chart, as the Helm Chart and Control Plane binary are tightly coupled.
Consul Kubernetes versions all of its components (
consul-k8s-control-plane, and Helm chart) with a single semantic version. When installing or upgrading to a specific versions, ensure that you are using the correct Consul version with the compatible Helm chart or
|Consul version||Compatible ||Compatible Kubernetes versions||Compatible OpenShift versions|
|1.16.x||1.2.x||1.24.x - 1.27.x||4.11.x - 4.14.x|
|1.15.x||1.1.x||1.23.x - 1.26.x||4.10.x - 4.13.x|
|1.14.x||1.0.x||1.22.x - 1.25.x||4.9.x - 4.12.x|
As of Consul v1.14.0, Kubernetes deployments use Consul Dataplane instead of client agents. If you upgrade Consul from a version that uses client agents to a version that uses dataplanes, you must follow specific steps to update your Helm chart and remove client agents from the existing deployment. Refer to Upgrading to Consul Dataplane for more information.
The v1.0.0 release of the Consul on Kubernetes Helm chart also introduced a change to the
externalServers.hosts parameter. Previously, you were able to enter a provider lookup as a string in this field. Now, you must include
exec= at the start of a string containing a provider lookup. Otherwise, the string is treated as a DNS name. Refer to the
go-netaddrs library and command line tool for more information.
Supported versions of Envoy and
consul-dataplane (for Consul K8s 1.0 and above) for Consul versions are also found in Envoy - Supported Versions. Starting with
consul-dataplane will include a bundled version of Envoy. The recommended best practice is to use the default version of Envoy or
consul-dataplane that is provided in the Helm
values.yaml file, as that is the version that has been tested with the default Consul and Consul Kubernetes binaries for a given Helm chart.
Starting with Consul K8s 0.39.0 and Consul 1.11.x, Consul Kubernetes supports the ability to utilize Vault as the secrets backend for all the secrets utilized by Consul on Kubernetes.
|Compatible Vault Versions||Compatible |
|0.39.0 - latest||1.9.0 - latest||0.14.0 - latest|
You can enable support for Red Hat OpenShift by setting
enabled: true in the
global.openshift stanza. Refer to the Deploy Consul on RedHat OpenShift tutorial for instructions on deploying to OpenShift.
Consul Kubernetes is certified for both VMware Tanzu Kubernetes Grid, and VMware Tanzu Kubernetes Integrated Edition.
- Tanzu Kubernetes Grid is certified for version 1.3.0 and above. Only Calico is supported as the CNI Plugin.
- Tanzu Kubernetes Grid Integrated Edition is supported for version 1.11.1 and above. NOTE: When deploying Consul K8s 0.49.x and below, NSX-T CNI Plugin v3.1.2 and greater should be used and configured with the
enable_hostport_snatsetting set to