51 lines
3.8 KiB
Plaintext
51 lines
3.8 KiB
Plaintext
---
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layout: docs
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page_title: Consul on Kubernetes Version Compatibility
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description: >-
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New releases require corresponding version updates to Consul on Kubernetes and its Helm chart. Review the compatibility matrix for Consul and consul-k8s and additional notes for integrating Vault and third-party platforms.
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---
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# Consul on Kubernetes Version Compatibility
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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.
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## Supported Consul and Kubernetes versions
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Consul Kubernetes versions all of its components (`consul-k8s` CLI, `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 `consul-k8s` helm chart and/or CLI.
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| Consul Version | Compatible consul-k8s Versions | Compatible Kubernetes Versions |
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| -------------- | -------------------------------- | -------------------------------|
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| 1.16.x | 1.2.x | 1.24.x - 1.27.x |
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| 1.15.x | 1.1.x | 1.23.x - 1.26.x |
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| 1.14.x | 1.0.x | 1.22.x - 1.25.x |
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## Supported Envoy versions
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Supported versions of Envoy and `consul-dataplane` (for Consul K8s 1.0 and above) for Consul versions are also found in [Envoy - Supported Versions](/consul/docs/connect/proxies/envoy#supported-versions). Starting with `consul-k8s` 1.0, `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.
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## Vault as a Secrets Backend compatibility
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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.
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| `consul-k8s` Versions | Compatible Vault Versions | Compatible `vault-k8s` Versions |
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| ------------------------ | --------------------------| ----------------------------- |
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| 0.39.0 - latest | 1.9.0 - latest | 0.14.0 - latest |
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## Platform specific compatibility notes
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### Red Hat OpenShift
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Consul Kubernetes delivered Red Hat OpenShift support starting with Consul Helm chart version 0.25.0 for Consul 1.8.4. Please note the following details regarding OpenShift support.
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- Red Hat OpenShift is only supported for OpenShift 4.4.x and above.
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- Only the default CNI Plugin, [OpenShift SDN CNI Plugin](https://docs.openshift.com/container-platform/4.9/networking/openshift_sdn/about-openshift-sdn.html) is currently supported.
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### VMware Tanzu Kubernetes Grid and Tanzu Kubernetes Grid Integrated Edition
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Consul Kubernetes is [certified](https://marketplace.cloud.vmware.com/services/details/hashicorp-consul-1?slug=true) for both VMware Tanzu Kubernetes Grid, and VMware Tanzu Kubernetes Integrated Edition.
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- Tanzu Kubernetes Grid is certified for version 1.3.0 and above. Only Calico is supported as the CNI Plugin.
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- 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](https://docs.vmware.com/en/VMware-NSX-T-Data-Center/3.1/rn/NSX-Container-Plugin-312-Release-Notes.html) and greater should be used and configured with the `enable_hostport_snat` setting set to `true`.
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