Update docs and comments for Gateway API 0.6.0

Author: pleshakov

README.md

@@ -43,7 +43,7 @@ The following table lists the software versions NGINX Kubernetes Gateway support
 
 | NGINX Kubernetes Gateway | Gateway API | Kubernetes | NGINX OSS |
 |-|-|-|-|
-| Edge | 0.5.1 | 1.21+ | 1.21.x *|
+| Edge | 0.6.0 | 1.21+ | 1.21.x *|
 | 0.2.0 | 0.5.1 | 1.21+ | 1.21.x *|
 | 0.1.0 | 0.5.0 | 1.19+ | 1.21.3 |
 

cmd/gateway/setup.go

@@ -17,7 +17,7 @@ import (
 const (
 	errTmpl = "failed validation - flag: '--%s' reason: '%s'\n"
 	// nolint:lll
-	// Regex from: https://github.com/kubernetes-sigs/gateway-api/blob/547122f7f55ac0464685552898c560658fb40073/apis/v1alpha2/shared_types.go#L462
+	// Regex from: https://github.com/kubernetes-sigs/gateway-api/blob/e9e04e498c566021c9d30ce4dbe0863894c7d7e1/apis/v1beta1/shared_types.go#L494
 	controllerNameRegex = `^[a-z0-9]([-a-z0-9]*[a-z0-9])?(\.[a-z0-9]([-a-z0-9]*[a-z0-9])?)*\/[A-Za-z0-9\/\-._~%!$&'()*+,;=:]+$` //nolint:lll
 )
 

docs/installation.md

@@ -20,7 +20,7 @@ This guide walks you through how to install NGINX Kubernetes Gateway on a generi
 1. Install the Gateway CRDs:
 
    ```
-   kubectl apply -k "github.com/kubernetes-sigs/gateway-api/config/crd?ref=v0.5.1"
+   kubectl apply -k "github.com/kubernetes-sigs/gateway-api/config/crd?ref=v0.6.0"
    ```
 
 1. Create the nginx-gateway Namespace:

internal/nginx/modules/src/httpmatches.js

@@ -166,7 +166,7 @@ function paramsMatch(requestParams, params) {
     // (1) if the index is -1, then there are no "=" in the string (e.g. "keyvalue")
     // (2) if the index is 0, then there is no value in the string (e.g. "key=").
     // NOTE: While query parameter values are permitted to be empty, the Gateway API Spec forces the value to be a non-empty string.
-    // https://github.com/kubernetes-sigs/gateway-api/blob/50e61865db9659111582080daa5ca1a91bbe265d/apis/v1alpha2/httproute_types.go#L375
+    // https://github.com/kubernetes-sigs/gateway-api/blob/e9e04e498c566021c9d30ce4dbe0863894c7d7e1/apis/v1beta1/httproute_types.go#L419
     // (3) if the index is equal to length -1, then there is no key in the string (e.g. "=value").
     if (idx === -1 || (idx === 0) | (idx === p.length - 1)) {
       throw Error(`invalid query parameter: ${p}`);