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jupytergateway_controller.go
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jupytergateway_controller.go
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/*
Copyright 2021.
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"
"k8s.io/apimachinery/pkg/api/errors"
"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/handler"
"sigs.k8s.io/controller-runtime/pkg/source"
"github.com/tkestack/elastic-jupyter-operator/api/v1alpha1"
kubeflowtkestackiov1alpha1 "github.com/tkestack/elastic-jupyter-operator/api/v1alpha1"
"github.com/tkestack/elastic-jupyter-operator/pkg/gateway"
)
// JupyterGatewayReconciler reconciles a JupyterGateway object
type JupyterGatewayReconciler struct {
client.Client
Log logr.Logger
Recorder record.EventRecorder
Scheme *runtime.Scheme
}
// +kubebuilder:rbac:groups=kubeflow.tkestack.io,resources=jupytergateways,verbs=get;list;watch;create;update;patch;delete
// +kubebuilder:rbac:groups=kubeflow.tkestack.io,resources=jupytergateways/status,verbs=get;update;patch
// +kubebuilder:rbac:groups="apps",resources=deployments,verbs=get;list;watch;create;update;patch;delete
// +kubebuilder:rbac:groups="",resources=pods;namespaces;services;serviceaccounts;configmaps;secrets;persistentvolumes;persistentvolumeclaims;events,verbs=get;list;watch;create;update;create;patch;delete
// +kubebuilder:rbac:groups="rbac.authorization.k8s.io",resources=rolebindings,verbs=get;create;update;patch;list;watch;delete
func (r *JupyterGatewayReconciler) Reconcile(req ctrl.Request) (ctrl.Result, error) {
_ = context.Background()
_ = r.Log.WithValues("jupytergateway", req.NamespacedName)
original := &v1alpha1.JupyterGateway{}
err := r.Get(context.TODO(), req.NamespacedName, original)
if err != nil {
if errors.IsNotFound(err) {
// Object not found, return. Created objects are automatically garbage collected.
// For additional cleanup logic use finalizers.
return ctrl.Result{}, nil
}
// Error reading the object - requeue the request.
r.Log.Error(err, "Failed to get the object, requeuing the request")
return ctrl.Result{}, err
}
instance := original.DeepCopy()
gr, err := gateway.NewReconciler(r.Client, r.Log, r.Recorder, r.Scheme, instance)
if err != nil {
return ctrl.Result{}, err
}
if err := gr.Reconcile(); err != nil {
return ctrl.Result{}, err
}
return ctrl.Result{}, nil
}
func (r *JupyterGatewayReconciler) SetupWithManager(mgr ctrl.Manager) error {
return ctrl.NewControllerManagedBy(mgr).
For(&kubeflowtkestackiov1alpha1.JupyterGateway{}).
Watches(&source.Kind{Type: &appsv1.Deployment{}},
&handler.EnqueueRequestForOwner{
IsController: true,
OwnerType: &v1alpha1.JupyterGateway{},
}).
Complete(r)
}