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Add new controller with gateway Api support

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This commit is contained in:
superflo22 2025-04-11 16:00:56 +02:00
parent 9183d1f403
commit e5902a49f8
7 changed files with 116 additions and 2 deletions
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5
PROJECT
View file

@ -29,4 +29,9 @@ resources:
kind: TechnitiumAuthority
path: git.mayers.cloud/superflo22/split-horizon-operator/api/v1alpha1
version: v1alpha1
- controller: true
domain: mayers.cloud
group: dns
kind: ExternalDNSWatcher
version: v1alpha1
version: "3"

10
cmd/main.go
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@ -34,6 +34,7 @@ import (
"sigs.k8s.io/controller-runtime/pkg/metrics/filters"
metricsserver "sigs.k8s.io/controller-runtime/pkg/metrics/server"
"sigs.k8s.io/controller-runtime/pkg/webhook"
gatewayv1 "sigs.k8s.io/gateway-api/apis/v1"
dnsv1alpha1 "git.mayers.cloud/superflo22/split-horizon-operator/api/v1alpha1"
"git.mayers.cloud/superflo22/split-horizon-operator/internal/controller"
@ -49,6 +50,8 @@ func init() {
utilruntime.Must(clientgoscheme.AddToScheme(scheme))
utilruntime.Must(dnsv1alpha1.AddToScheme(scheme))
utilruntime.Must(gatewayv1.AddToScheme(scheme))
// +kubebuilder:scaffold:scheme
}
@ -158,6 +161,13 @@ func main() {
setupLog.Error(err, "unable to create controller", "controller", "TechnitiumAuthority")
os.Exit(1)
}
if err = (&controller.ExternalDNSWatcherReconciler{
Client: mgr.GetClient(),
Scheme: mgr.GetScheme(),
}).SetupWithManager(mgr); err != nil {
setupLog.Error(err, "unable to create controller", "controller", "ExternalDNSWatcher")
os.Exit(1)
}
// +kubebuilder:scaffold:builder
if err := mgr.AddHealthzCheck("healthz", healthz.Ping); err != nil {

1
config/samples/kustomization.yaml
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@ -2,4 +2,5 @@
resources:
- dns_v1alpha1_technitiumrecord.yaml
- dns_v1alpha1_technitiumauthority.yaml
- dns_v1alpha1_externaldnswatcher.yaml
# +kubebuilder:scaffold:manifestskustomizesamples

1
go.mod
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@ -10,6 +10,7 @@ require (
k8s.io/apimachinery v0.32.3
k8s.io/client-go v0.32.3
sigs.k8s.io/controller-runtime v0.20.4
sigs.k8s.io/gateway-api v1.2.1
)
require (

6
go.sum
View file

@ -19,8 +19,8 @@ github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc h1:U9qPSI2PIWSS1
github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/emicklei/go-restful/v3 v3.12.2 h1:DhwDP0vY3k8ZzE0RunuJy8GhNpPL6zqLkDf9B/a0/xU=
github.com/emicklei/go-restful/v3 v3.12.2/go.mod h1:6n3XBCmQQb25CM2LCACGz8ukIrRry+4bhvbpWn3mrbc=
github.com/evanphx/json-patch v0.5.2 h1:xVCHIVMUu1wtM/VkR9jVZ45N3FhZfYMMYGorLCR8P3k=
github.com/evanphx/json-patch v0.5.2/go.mod h1:ZWS5hhDbVDyob71nXKNL0+PWn6ToqBHMikGIFbs31qQ=
github.com/evanphx/json-patch v5.7.0+incompatible h1:vgGkfT/9f8zE6tvSCe74nfpAVDQ2tG6yudJd8LBksgI=
github.com/evanphx/json-patch v5.7.0+incompatible/go.mod h1:50XU6AFN0ol/bzJsmQLiYLvXMP4fmwYFNcr97nuDLSk=
github.com/evanphx/json-patch/v5 v5.9.11 h1:/8HVnzMq13/3x9TPvjG08wUGqBTmZBsCWzjTM0wiaDU=
github.com/evanphx/json-patch/v5 v5.9.11/go.mod h1:3j+LviiESTElxA4p3EMKAB9HXj3/XEtnUf6OZxqIQTM=
github.com/felixge/httpsnoop v1.0.4 h1:NFTV2Zj1bL4mc9sqWACXbQFVBBg2W3GPvqp8/ESS2Wg=
@ -245,6 +245,8 @@ sigs.k8s.io/apiserver-network-proxy/konnectivity-client v0.32.0 h1:XotDXzqvJ8Nx5
sigs.k8s.io/apiserver-network-proxy/konnectivity-client v0.32.0/go.mod h1:Ve9uj1L+deCXFrPOk1LpFXqTg7LCFzFso6PA48q/XZw=
sigs.k8s.io/controller-runtime v0.20.4 h1:X3c+Odnxz+iPTRobG4tp092+CvBU9UK0t/bRf+n0DGU=
sigs.k8s.io/controller-runtime v0.20.4/go.mod h1:xg2XB0K5ShQzAgsoujxuKN4LNXR2LfwwHsPj7Iaw+XY=
sigs.k8s.io/gateway-api v1.2.1 h1:fZZ/+RyRb+Y5tGkwxFKuYuSRQHu9dZtbjenblleOLHM=
sigs.k8s.io/gateway-api v1.2.1/go.mod h1:EpNfEXNjiYfUJypf0eZ0P5iXA9ekSGWaS1WgPaM42X0=
sigs.k8s.io/json v0.0.0-20241014173422-cfa47c3a1cc8 h1:gBQPwqORJ8d8/YNZWEjoZs7npUVDpVXUUOFfW6CgAqE=
sigs.k8s.io/json v0.0.0-20241014173422-cfa47c3a1cc8/go.mod h1:mdzfpAEoE6DHQEN0uh9ZbOCuHbLK5wOm7dK4ctXE9Tg=
sigs.k8s.io/randfill v0.0.0-20250304075658-069ef1bbf016/go.mod h1:XeLlZ/jmk4i1HRopwe7/aU3H5n1zNUcX6TM94b3QxOY=

63
internal/controller/externaldnswatcher_controller.go Normal file
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@ -0,0 +1,63 @@
/*
Copyright 2025.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package controller
import (
"context"
gatewayv1 "sigs.k8s.io/gateway-api/apis/v1"
"k8s.io/apimachinery/pkg/runtime"
ctrl "sigs.k8s.io/controller-runtime"
"sigs.k8s.io/controller-runtime/pkg/client"
"sigs.k8s.io/controller-runtime/pkg/log"
)
// ExternalDNSWatcherReconciler reconciles a ExternalDNSWatcher object
type ExternalDNSWatcherReconciler struct {
client.Client
Scheme *runtime.Scheme
}
// +kubebuilder:rbac:groups=dns.mayers.cloud,resources=externaldnswatchers,verbs=get;list;watch;create;update;patch;delete
// +kubebuilder:rbac:groups=dns.mayers.cloud,resources=externaldnswatchers/status,verbs=get;update;patch
// +kubebuilder:rbac:groups=dns.mayers.cloud,resources=externaldnswatchers/finalizers,verbs=update
// Reconcile is part of the main kubernetes reconciliation loop which aims to
// move the current state of the cluster closer to the desired state.
// TODO(user): Modify the Reconcile function to compare the state specified by
// the ExternalDNSWatcher object against the actual cluster state, and then
// perform operations to make the cluster state reflect the state specified by
// the user.
//
// For more details, check Reconcile and its Result here:
// - https://pkg.go.dev/sigs.k8s.io/controller-runtime@v0.19.0/pkg/reconcile
func (r *ExternalDNSWatcherReconciler) Reconcile(ctx context.Context, req ctrl.Request) (ctrl.Result, error) {
_ = log.FromContext(ctx)
// TODO(user): your logic here
return ctrl.Result{}, nil
}
// SetupWithManager sets up the controller with the Manager.
func (r *ExternalDNSWatcherReconciler) SetupWithManager(mgr ctrl.Manager) error {
return ctrl.NewControllerManagedBy(mgr).
// Uncomment the following line adding a pointer to an instance of the controlled resource as an argument
For(&gatewayv1.HTTPRoute{}).
For(&gatewayv1.Gateway{}).
Complete(r)
}

32
internal/controller/externaldnswatcher_controller_test.go Normal file
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@ -0,0 +1,32 @@
/*
Copyright 2025.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package controller
import (
. "github.com/onsi/ginkgo/v2"
)
var _ = Describe("ExternalDNSWatcher Controller", func() {
Context("When reconciling a resource", func() {
It("should successfully reconcile the resource", func() {
// TODO(user): Add more specific assertions depending on your controller's reconciliation logic.
// Example: If you expect a certain status condition after reconciliation, verify it here.
})
})
})