feat: add gateway api support (#725)

Signed-off-by: Lukas Reining <[email protected]>

.github/workflows/e2e.yml

@@ -6,7 +6,7 @@ on:
         description: "Tag of Kind image"
         type: "string"
 env:
-  GO_VERSION: "~1.21"
+  GO_VERSION: "~1.23"
 defaults:
   run:
     shell: bash
@@ -47,7 +47,7 @@ jobs:
           kind load docker-image open-feature-operator-local:${{ github.sha }} --name open-feature-operator-test
 
       - name: Install Chainsaw
-        uses: kyverno/action-install-chainsaw@748066cc1580718e7924c9b689a8d366bde05100 # v0.2.0
+        uses: kyverno/action-install-chainsaw@f2b47b97dc889c12702113753d713f01ec268de5 # v0.2.12
 
       - name: Install OFO
         run: |

.github/workflows/golangci-lint.yml

@@ -17,8 +17,8 @@ on:
       - "!docs/**"
 env:
   # renovate: datasource=github-releases depName=golangci/golangci-lint
-  GOLANGCI_LINT_VERSION: "v1.59.0"
-  GO_VERSION: "~1.21"
+  GOLANGCI_LINT_VERSION: "v1.63.4"
+  GO_VERSION: "~1.23"
 jobs:
   golangci-lint:
     name: golangci-lint

.github/workflows/release-please.yml

@@ -7,7 +7,7 @@ on:
 
 env:
   # Default minimum version of Go to support.
-  DEFAULT_GO_VERSION: "~1.21"
+  DEFAULT_GO_VERSION: "~1.23"
   REGISTRY: ghcr.io
   IMAGE_NAME: ${{ github.repository }}
   GITHUB_PAGES_BRANCH: gh-pages

.golangci.yml

@@ -1,6 +1,6 @@
 run:
   timeout: 5m
-  go: '1.20'
+  go: '1.23'
 linters:
   enable:
     - gofmt         # Gofmt checks whether code was gofmt-ed. By default, this tool runs with -s option to check for code simplification

Dockerfile

@@ -1,5 +1,5 @@
 # Build the manager binary
-FROM --platform=$BUILDPLATFORM golang:1.20.3-alpine3.16 AS builder
+FROM --platform=$BUILDPLATFORM golang:1.23.3-alpine3.20 AS builder
 
 WORKDIR /workspace
 # Copy the Go Modules manifests

Makefile

@@ -98,7 +98,7 @@ e2e-test-validate-local:
 .PHONY: lint
 lint:
 	go install -v github.com/golangci/golangci-lint/cmd/golangci-lint@latest
-	${GOPATH}/bin/golangci-lint run --deadline=3m --timeout=3m --config=./.golangci.yml -v ./... # Run linters
+	${GOPATH}/bin/golangci-lint run --timeout=3m --config=./.golangci.yml -v ./... # Run linters
 
 .PHONY: generate-crdocs
 generate-crdocs: kustomize crdocs
@@ -211,7 +211,7 @@ CRDOC ?= $(LOCALBIN)/crdoc
 # renovate: datasource=github-tags depName=kubernetes-sigs/kustomize
 KUSTOMIZE_VERSION ?= v5.4.1
 # renovate: datasource=github-releases depName=kubernetes-sigs/controller-tools
-CONTROLLER_TOOLS_VERSION ?= v0.15.0
+CONTROLLER_TOOLS_VERSION ?= v0.16.5
 CRDOC_VERSION ?= v0.6.2
 
 .PHONY: kustomize

apis/core/v1beta1/flagd_types.go

@@ -20,6 +20,7 @@ import (
 	v1 "k8s.io/api/core/v1"
 	networkingv1 "k8s.io/api/networking/v1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	gatewayApiv1 "sigs.k8s.io/gateway-api/apis/v1"
 )
 
 // FlagdSpec defines the desired state of Flagd
@@ -49,6 +50,10 @@ type FlagdSpec struct {
 	// Ingress
 	// +optional
 	Ingress IngressSpec `json:"ingress"`
+
+	// GatewayApiRoutes
+	// +optional
+	GatewayApiRoutes GatewayApiSpec `json:"gatewayApiRoutes"`
 }
 
 // IngressSpec defines the options to be used when deploying the ingress for flagd
@@ -91,6 +96,25 @@ type IngressSpec struct {
 	SyncPath string `json:"syncPath,omitempty"`
 }
 
+// GatewayApiSpec defines the options to be used when deploying Gateway API routes for flagd
+type GatewayApiSpec struct {
+	// Enabled enables/disables the Gateway API routes for flagd
+	Enabled bool `json:"enabled,omitempty"`
+
+	// Annotations to be added to the Gateway API routes
+	// +optional
+	Annotations map[string]string `json:"annotations,omitempty"`
+
+	// Hosts list of hosts to be added to the ingress.
+	// Empty string corresponds to rule with no host.
+	// +optional
+	Hosts []string `json:"hosts,omitempty"`
+
+	// ParentRefs references the resources (usually Gateways) that the Routes should
+	// be attached to.
+	ParentRefs []gatewayApiv1.ParentReference `json:"parentRefs"`
+}
+
 // FlagdStatus defines the observed state of Flagd
 type FlagdStatus struct {
 }

apis/go.mod

@@ -1,71 +1,71 @@
 module github.com/open-feature/open-feature-operator/apis
 
-go 1.21
+go 1.23.0
+
+toolchain go1.23.3
 
 require (
 	github.com/open-feature/flagd-schemas v0.2.9-0.20240708163558-2aa89b314322
 	github.com/stretchr/testify v1.9.0
 	github.com/xeipuuv/gojsonschema v1.2.0
-	k8s.io/api v0.28.10
-	k8s.io/apimachinery v0.28.10
-	sigs.k8s.io/controller-runtime v0.16.6
+	k8s.io/api v0.31.4
+	k8s.io/apimachinery v0.31.4
+	sigs.k8s.io/controller-runtime v0.19.3
+	sigs.k8s.io/gateway-api v1.2.1
 )
 
 require (
 	github.com/beorn7/perks v1.0.1 // indirect
-	github.com/cespare/xxhash/v2 v2.2.0 // indirect
-	github.com/davecgh/go-spew v1.1.1 // indirect
-	github.com/emicklei/go-restful/v3 v3.11.0 // indirect
-	github.com/evanphx/json-patch/v5 v5.6.0 // indirect
-	github.com/fsnotify/fsnotify v1.6.0 // indirect
-	github.com/go-logr/logr v1.2.4 // indirect
-	github.com/go-openapi/jsonpointer v0.19.6 // indirect
-	github.com/go-openapi/jsonreference v0.20.2 // indirect
-	github.com/go-openapi/swag v0.22.3 // indirect
+	github.com/cespare/xxhash/v2 v2.3.0 // indirect
+	github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect
+	github.com/emicklei/go-restful/v3 v3.12.0 // indirect
+	github.com/evanphx/json-patch/v5 v5.9.0 // indirect
+	github.com/fxamacker/cbor/v2 v2.7.0 // indirect
+	github.com/go-logr/logr v1.4.2 // indirect
+	github.com/go-openapi/jsonpointer v0.21.0 // indirect
+	github.com/go-openapi/jsonreference v0.21.0 // indirect
+	github.com/go-openapi/swag v0.23.0 // indirect
 	github.com/gogo/protobuf v1.3.2 // indirect
 	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
 	github.com/golang/protobuf v1.5.4 // indirect
 	github.com/google/gnostic-models v0.6.8 // indirect
-	github.com/google/go-cmp v0.5.9 // indirect
+	github.com/google/go-cmp v0.6.0 // indirect
 	github.com/google/gofuzz v1.2.0 // indirect
-	github.com/google/uuid v1.3.0 // indirect
-	github.com/imdario/mergo v0.3.6 // indirect
+	github.com/google/uuid v1.6.0 // indirect
+	github.com/imdario/mergo v0.3.16 // indirect
 	github.com/josharian/intern v1.0.0 // indirect
 	github.com/json-iterator/go v1.1.12 // indirect
 	github.com/mailru/easyjson v0.7.7 // indirect
-	github.com/matttproud/golang_protobuf_extensions v1.0.4 // indirect
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
 	github.com/modern-go/reflect2 v1.0.2 // indirect
 	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
-	github.com/pmezard/go-difflib v1.0.0 // indirect
-	github.com/prometheus/client_golang v1.16.0 // indirect
-	github.com/prometheus/client_model v0.4.0 // indirect
-	github.com/prometheus/common v0.44.0 // indirect
-	github.com/prometheus/procfs v0.10.1 // indirect
+	github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 // indirect
+	github.com/prometheus/client_golang v1.19.1 // indirect
+	github.com/prometheus/client_model v0.6.1 // indirect
+	github.com/prometheus/common v0.55.0 // indirect
+	github.com/prometheus/procfs v0.15.1 // indirect
 	github.com/spf13/pflag v1.0.5 // indirect
+	github.com/x448/float16 v0.8.4 // indirect
 	github.com/xeipuuv/gojsonpointer v0.0.0-20180127040702-4e3ac2762d5f // indirect
 	github.com/xeipuuv/gojsonreference v0.0.0-20180127040603-bd5ef7bd5415 // indirect
-	golang.org/x/exp v0.0.0-20220722155223-a9213eeb770e // indirect
-	golang.org/x/net v0.23.0 // indirect
-	golang.org/x/oauth2 v0.8.0 // indirect
-	golang.org/x/sys v0.18.0 // indirect
-	golang.org/x/term v0.18.0 // indirect
-	golang.org/x/text v0.14.0 // indirect
-	golang.org/x/time v0.3.0 // indirect
+	golang.org/x/exp v0.0.0-20240416160154-fe59bbe5cc7f // indirect
+	golang.org/x/net v0.30.0 // indirect
+	golang.org/x/oauth2 v0.21.0 // indirect
+	golang.org/x/sys v0.26.0 // indirect
+	golang.org/x/term v0.25.0 // indirect
+	golang.org/x/text v0.19.0 // indirect
+	golang.org/x/time v0.7.0 // indirect
 	gomodules.xyz/jsonpatch/v2 v2.4.0 // indirect
-	google.golang.org/appengine v1.6.7 // indirect
-	google.golang.org/protobuf v1.33.0 // indirect
+	google.golang.org/protobuf v1.35.1 // indirect
 	gopkg.in/inf.v0 v0.9.1 // indirect
-	gopkg.in/yaml.v2 v2.4.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
-	k8s.io/apiextensions-apiserver v0.28.9 // indirect
-	k8s.io/client-go v0.28.9 // indirect
-	k8s.io/component-base v0.28.9 // indirect
-	k8s.io/klog/v2 v2.100.1 // indirect
-	k8s.io/kube-openapi v0.0.0-20230717233707-2695361300d9 // indirect
-	k8s.io/utils v0.0.0-20230406110748-d93618cff8a2 // indirect
-	sigs.k8s.io/json v0.0.0-20221116044647-bc3834ca7abd // indirect
-	sigs.k8s.io/structured-merge-diff/v4 v4.2.3 // indirect
-	sigs.k8s.io/yaml v1.3.0 // indirect
+	k8s.io/apiextensions-apiserver v0.31.1 // indirect
+	k8s.io/client-go v0.31.1 // indirect
+	k8s.io/klog/v2 v2.130.1 // indirect
+	k8s.io/kube-openapi v0.0.0-20241105132330-32ad38e42d3f // indirect
+	k8s.io/utils v0.0.0-20241104100929-3ea5e8cea738 // indirect
+	sigs.k8s.io/json v0.0.0-20241010143419-9aa6b5e7a4b3 // indirect
+	sigs.k8s.io/structured-merge-diff/v4 v4.5.0 // indirect
+	sigs.k8s.io/yaml v1.4.0 // indirect
 )