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Set support level to Core in the Gateway API Compatibility doc #860

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Jul 13, 2023
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Set support level to Core in the Gateway API Compatibility doc #860

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5cacae4
Update gateway compatibility doc
kate-osborn Jul 13, 2023
174bc4e
Add all support levels to table and resource support summaries
kate-osborn Jul 13, 2023
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81 changes: 39 additions & 42 deletions docs/gateway-api-compatibility.md
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Expand Up @@ -4,22 +4,21 @@ This document describes which Gateway API resources NGINX Kubernetes Gateway sup

## Summary

| Resource | Support Status |
|-------------------------------------|---------------------|
| [GatewayClass](#gatewayclass) | Partially supported |
| [Gateway](#gateway) | Partially supported |
| [HTTPRoute](#httproute) | Partially supported |
| [TLSRoute](#tlsroute) | Not supported |
| [TCPRoute](#tcproute) | Not supported |
| [UDPRoute](#udproute) | Not supported |
| [ReferenceGrant](#referencegrant) | Supported |
| [Custom policies](#custom-policies) | Not supported |
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| Resource | Support Level | API Version |
|-------------------------------------|---------------|-------------|
| [GatewayClass](#gatewayclass) | Core | v1beta1 |
| [Gateway](#gateway) | Core | v1beta1 |
| [HTTPRoute](#httproute) | Core | v1beta1 |
| [ReferenceGrant](#referencegrant) | Core | v1beta1 |
| [Custom policies](#custom-policies) | Not supported | N/A |
| [TLSRoute](#tlsroute) | Not supported | N/A |
| [TCPRoute](#tcproute) | Not supported | N/A |
| [UDPRoute](#udproute) | Not supported | N/A |

## Terminology

We use the following words to describe support status:

- *Supported*. The resource or field is fully supported and conformant to the Gateway API specification.
- *Support Level*. See the Gateway API [support levels](https://gateway-api.sigs.k8s.io/concepts/conformance/#2-support-levels).
- *Supported*. The resource or field is fully supported.
- *Partially supported*. The resource or field is supported partially or with limitations. It will become fully
supported in future releases.
- *Not supported*. The resource or field is not yet supported. It will become partially or fully supported in future
Expand All @@ -37,7 +36,7 @@ the [Gateway API documentation](https://gateway-api.sigs.k8s.io/references/spec/

### GatewayClass

> Status: Partially supported.
> Support Level: Core.

NGINX Kubernetes Gateway supports only a single GatewayClass resource configured via `--gatewayclass` flag
of the [static-mode](./cli-help.md#static-mode) command.
Expand All @@ -57,7 +56,7 @@ Fields:

### Gateway

> Status: Partially supported.
> Support Level: Core.

NGINX Kubernetes Gateway supports only a single Gateway resource. The Gateway resource must reference NGINX Kubernetes
Gateway's corresponding GatewayClass.
Expand All @@ -75,38 +74,37 @@ Fields:
* `tls`
* `mode` - partially supported. Allowed value: `Terminate`.
* `certificateRefs` - The TLS certificate and key must be stored in a Secret resource of
type `kubernetes.io/tls`. Only a single reference is supported. You must deploy the Secret before the
Gateway resource.
type `kubernetes.io/tls`. Only a single reference is supported.
* `options` - not supported.
* `allowedRoutes` - supported.
* `addresses` - not supported.
* `status`
* `addresses` - Pod IPAddress supported.
* `conditions` - Supported (Condition/Status/Reason):
* `conditions` - supported (Condition/Status/Reason):
* `Accepted/True/Accepted`
* `Accepted/True/ListenersNotValid`
* `Accepted/False/ListenersNotValid`
* `Accepted/False/Invalid`
* `Accepted/False/UnsupportedValue`: Custom reason for when a value of a field in a Gateway is invalid or not
* `Accepted/False/UnsupportedValue`- custom reason for when a value of a field in a Gateway is invalid or not
supported.
* `Accepted/False/GatewayConflict`: Custom reason for when the Gateway is ignored due to a conflicting Gateway.
* `Accepted/False/GatewayConflict`- custom reason for when the Gateway is ignored due to a conflicting Gateway.
NKG only supports a single Gateway.
* `Programmed/True/Programmed`
* `Programmed/False/Invalid`
* `Programmed/False/GatewayConflict`: Custom reason for when the Gateway is ignored due to a conflicting
* `Programmed/False/GatewayConflict`- custom reason for when the Gateway is ignored due to a conflicting
Gateway. NKG only supports a single Gateway.
* `listeners`
* `name` - supported.
* `supportedKinds` - supported.
* `attachedRoutes` - supported.
* `conditions` - Supported (Condition/Status/Reason):
* `conditions` - supported (Condition/Status/Reason):
* `Accepted/True/Accepted`
* `Accepted/False/UnsupportedProtocol`
* `Accepted/False/InvalidCertificateRef`
* `Accepted/False/ProtocolConflict`
* `Accepted/False/UnsupportedValue`: Custom reason for when a value of a field in a Listener is invalid or
* `Accepted/False/UnsupportedValue`- custom reason for when a value of a field in a Listener is invalid or
not supported.
* `Accepted/False/GatewayConflict`: Custom reason for when the Gateway is ignored due to a conflicting
* `Accepted/False/GatewayConflict` - custom reason for when the Gateway is ignored due to a conflicting
Gateway. NKG only supports a single Gateway.
* `Programmed/True/Programmed`
* `Programmed/False/Invalid`
Expand All @@ -118,7 +116,7 @@ Fields:

### HTTPRoute

> Status: Partially supported.
> Support Level: Core.

Fields:

Expand Down Expand Up @@ -149,33 +147,20 @@ Fields:
* `Accepted/False/NoMatchingListenerHostname`
* `Accepted/False/NoMatchingParent`
* `Accepted/False/NotAllowedByListeners`
* `Accepted/False/UnsupportedValue`: Custom reason for when the HTTPRoute includes an invalid or unsupported
* `Accepted/False/UnsupportedValue` - custom reason for when the HTTPRoute includes an invalid or unsupported
value.
* `Accepted/False/InvalidListener`: Custom reason for when the HTTPRoute references an invalid listener.
* `Accepted/False/GatewayNotProgrammed`: Custom reason for when the Gateway is not Programmed. HTTPRoute may
* `Accepted/False/InvalidListener` - custom reason for when the HTTPRoute references an invalid listener.
* `Accepted/False/GatewayNotProgrammed` - custom reason for when the Gateway is not Programmed. HTTPRoute may
be valid and configured, but will maintain this status as long as the Gateway is not Programmed.
* `ResolvedRefs/True/ResolvedRefs`
* `ResolvedRefs/False/InvalidKind`
* `ResolvedRefs/False/RefNotPermitted`
* `ResolvedRefs/False/BackendNotFound`
* `ResolvedRefs/False/UnsupportedValue`: Custom reason for when one of the HTTPRoute rules has a backendRef
* `ResolvedRefs/False/UnsupportedValue` - custom reason for when one of the HTTPRoute rules has a backendRef
with an unsupported value.

### TLSRoute

> Status: Not supported.

### TCPRoute

> Status: Not supported.

### UDPRoute

> Status: Not supported.

### ReferenceGrant

> Status: Supported.
> Support Level: Core

Fields:
Expand All @@ -190,6 +175,18 @@ Fields:
* `kind` - supports `Gateway` and `HTTPRoute`.
* `namespace`- supported.

### TLSRoute

> Status: Not supported.

### TCPRoute

> Status: Not supported.

### UDPRoute

> Status: Not supported.

### Custom Policies

> Status: Not supported.
Expand Down