Update go module to v2 (#3660)

Problem: With the release of v2.0 of NGINX Gateway Fabric, we need to update the go module version to include `/v2`, per Go module import standards. Otherwise, NGF cannot be imported past v1.

Solution: Update the module version and all imports to v2.

Author: sjberman

Makefile

@@ -141,7 +141,7 @@ generate-manifests: ## Generate manifests using Helm.
 	./scripts/generate-manifests.sh
 
 generate-api-docs: ## Generate API docs
-	go run github.com/ahmetb/gen-crd-api-reference-docs@$(GEN_CRD_API_REFERENCE_DOCS_VERSION) -config docs/api/config.json -template-dir docs/api -out-file docs/api/content.md -api-dir "github.com/nginx/nginx-gateway-fabric/apis"
+	go run github.com/ahmetb/gen-crd-api-reference-docs@$(GEN_CRD_API_REFERENCE_DOCS_VERSION) -config docs/api/config.json -template-dir docs/api -out-file docs/api/content.md -api-dir "github.com/nginx/nginx-gateway-fabric/v2/apis"
 
 .PHONY: generate-helm-docs
 generate-helm-docs: ## Generate the Helm chart documentation

apis/v1alpha2/nginxproxy_types.go

@@ -5,7 +5,7 @@ import (
 	apiextv1 "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 
-	"github.com/nginx/nginx-gateway-fabric/apis/v1alpha1"
+	"github.com/nginx/nginx-gateway-fabric/v2/apis/v1alpha1"
 )
 
 // +genclient

apis/v1alpha2/observabilitypolicy_types.go

@@ -4,7 +4,7 @@ import (
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	gatewayv1alpha2 "sigs.k8s.io/gateway-api/apis/v1alpha2"
 
-	ngfAPIv1alpha1 "github.com/nginx/nginx-gateway-fabric/apis/v1alpha1"
+	ngfAPIv1alpha1 "github.com/nginx/nginx-gateway-fabric/v2/apis/v1alpha1"
 )
 
 // +genclient

apis/v1alpha2/zz_generated.deepcopy.go

@@ -20,11 +20,11 @@ import (
 	"sigs.k8s.io/controller-runtime/pkg/log"
 	ctlrZap "sigs.k8s.io/controller-runtime/pkg/log/zap"
 
-	"github.com/nginx/nginx-gateway-fabric/internal/controller"
-	"github.com/nginx/nginx-gateway-fabric/internal/controller/config"
-	"github.com/nginx/nginx-gateway-fabric/internal/controller/licensing"
-	ngxConfig "github.com/nginx/nginx-gateway-fabric/internal/controller/nginx/config"
-	"github.com/nginx/nginx-gateway-fabric/internal/framework/file"
+	"github.com/nginx/nginx-gateway-fabric/v2/internal/controller"
+	"github.com/nginx/nginx-gateway-fabric/v2/internal/controller/config"
+	"github.com/nginx/nginx-gateway-fabric/v2/internal/controller/licensing"
+	ngxConfig "github.com/nginx/nginx-gateway-fabric/v2/internal/controller/nginx/config"
+	"github.com/nginx/nginx-gateway-fabric/v2/internal/framework/file"
 )
 
 // These flags are shared by multiple commands.

cmd/gateway/commands.go

@@ -10,7 +10,7 @@ import (
 	"github.com/spf13/cobra"
 	"github.com/spf13/pflag"
 
-	"github.com/nginx/nginx-gateway-fabric/internal/controller/config"
+	"github.com/nginx/nginx-gateway-fabric/v2/internal/controller/config"
 )
 
 type flagTestCase struct {

cmd/gateway/commands_test.go

@@ -9,9 +9,9 @@ import (
 
 	"github.com/go-logr/logr"
 
-	"github.com/nginx/nginx-gateway-fabric/internal/controller/licensing"
-	"github.com/nginx/nginx-gateway-fabric/internal/controller/nginx/config"
-	"github.com/nginx/nginx-gateway-fabric/internal/framework/file"
+	"github.com/nginx/nginx-gateway-fabric/v2/internal/controller/licensing"
+	"github.com/nginx/nginx-gateway-fabric/v2/internal/controller/nginx/config"
+	"github.com/nginx/nginx-gateway-fabric/v2/internal/framework/file"
 )
 
 const (

cmd/gateway/initialize.go

@@ -11,12 +11,12 @@ import (
 	"github.com/go-logr/logr"
 	. "github.com/onsi/gomega"
 
-	"github.com/nginx/nginx-gateway-fabric/internal/controller/licensing/licensingfakes"
-	"github.com/nginx/nginx-gateway-fabric/internal/controller/nginx/config/configfakes"
-	"github.com/nginx/nginx-gateway-fabric/internal/controller/state/dataplane"
-	"github.com/nginx/nginx-gateway-fabric/internal/framework/file"
-	"github.com/nginx/nginx-gateway-fabric/internal/framework/file/filefakes"
-	"github.com/nginx/nginx-gateway-fabric/internal/framework/helpers"
+	"github.com/nginx/nginx-gateway-fabric/v2/internal/controller/licensing/licensingfakes"
+	"github.com/nginx/nginx-gateway-fabric/v2/internal/controller/nginx/config/configfakes"
+	"github.com/nginx/nginx-gateway-fabric/v2/internal/controller/state/dataplane"
+	"github.com/nginx/nginx-gateway-fabric/v2/internal/framework/file"
+	"github.com/nginx/nginx-gateway-fabric/v2/internal/framework/file/filefakes"
+	"github.com/nginx/nginx-gateway-fabric/v2/internal/framework/helpers"
 )
 
 func TestInitialize_OSS(t *testing.T) {

cmd/gateway/initialize_test.go

@@ -1,4 +1,4 @@
-module github.com/nginx/nginx-gateway-fabric
+module github.com/nginx/nginx-gateway-fabric/v2
 
 go 1.24.2
 

go.mod

@@ -11,8 +11,8 @@ import (
 	"k8s.io/apimachinery/pkg/util/validation/field"
 	"k8s.io/client-go/tools/record"
 
-	ngfAPI "github.com/nginx/nginx-gateway-fabric/apis/v1alpha1"
-	"github.com/nginx/nginx-gateway-fabric/internal/framework/helpers"
+	ngfAPI "github.com/nginx/nginx-gateway-fabric/v2/apis/v1alpha1"
+	"github.com/nginx/nginx-gateway-fabric/v2/internal/framework/helpers"
 )
 
 // updateControlPlane updates the control plane configuration with the given user spec.