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store_controller.go
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/
store_controller.go
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/*
Copyright 2019 Gavin Zhou.
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 controllers
import (
"context"
"github.com/go-logr/logr"
appsv1 "k8s.io/api/apps/v1"
corev1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/client-go/tools/record"
ctrl "sigs.k8s.io/controller-runtime"
"sigs.k8s.io/controller-runtime/pkg/client"
"sigs.k8s.io/controller-runtime/pkg/controller/controllerutil"
thanosv1beta1 "github.com/orangesys/thanos-operator/api/v1beta1"
)
// StoreReconciler reconciles a Store object
type StoreReconciler struct {
client.Client
Log logr.Logger
Recorder record.EventRecorder
Scheme *runtime.Scheme
}
// +kubebuilder:rbac:groups=thanos.orangesys.io,resources=stores,verbs=get;list;watch;create;update;patch;delete
// +kubebuilder:rbac:groups=thanos.orangesys.io,resources=stores/status,verbs=get;update;patch
// +kubebuilder:rbac:groups=core,resources=services,verbs=get;list;watch;create;update;patch;delete
// +kubebuilder:rbac:groups=apps,resources=deployment,verbs=get;list;watch;create;update;patch;delete
func (r *StoreReconciler) Reconcile(req ctrl.Request) (ctrl.Result, error) {
ctx := context.Background()
log := r.Log.WithValues("store", req.NamespacedName)
store := &thanosv1beta1.Store{}
if err := r.Get(ctx, req.NamespacedName, store); err != nil {
if ignoreNotFound(err) == nil {
return ctrl.Result{}, nil
}
log.Error(err, "unable to fetch thanos store")
return ctrl.Result{}, err
}
// Generate Service
service := &corev1.Service{
ObjectMeta: ctrl.ObjectMeta{
Name: req.Name,
Namespace: req.Namespace,
},
}
_, err := ctrl.CreateOrUpdate(ctx, r.Client, service, func() error {
makeService(service, service.Name)
return controllerutil.SetControllerReference(store, service, r.Scheme)
})
if err != nil {
return ctrl.Result{}, err
}
// Generate Deployment
dm := &appsv1.Deployment{
ObjectMeta: ctrl.ObjectMeta{
Name: req.Name,
Namespace: req.Namespace,
},
}
_, err = ctrl.CreateOrUpdate(ctx, r.Client, dm, func() error {
setStoreDeployment(
dm,
service,
*store,
)
return controllerutil.SetControllerReference(store, dm, r.Scheme)
})
if err != nil {
return ctrl.Result{}, err
}
// Update Status
return ctrl.Result{}, nil
}
func (r *StoreReconciler) SetupWithManager(mgr ctrl.Manager) error {
return ctrl.NewControllerManagedBy(mgr).
For(&thanosv1beta1.Store{}).
Complete(r)
}