138 lines
5.3 KiB
Go
138 lines
5.3 KiB
Go
/*
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Copyright 2021.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package rollout
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import (
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"context"
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"github.com/openkruise/rollouts/pkg/util"
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"time"
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kruiseappsv1alpha1 "github.com/openkruise/kruise-api/apps/v1alpha1"
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appsv1alpha1 "github.com/openkruise/rollouts/api/v1alpha1"
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apps "k8s.io/api/apps/v1"
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"k8s.io/apimachinery/pkg/api/errors"
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"k8s.io/apimachinery/pkg/runtime"
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ctrl "sigs.k8s.io/controller-runtime"
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"sigs.k8s.io/controller-runtime/pkg/client"
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"sigs.k8s.io/controller-runtime/pkg/controller"
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"sigs.k8s.io/controller-runtime/pkg/handler"
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"sigs.k8s.io/controller-runtime/pkg/source"
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)
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var (
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concurrentReconciles = 3
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)
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// RolloutReconciler reconciles a Rollout object
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type RolloutReconciler struct {
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client.Client
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Scheme *runtime.Scheme
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Finder *util.ControllerFinder
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}
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//+kubebuilder:rbac:groups=rollouts.kruise.io,resources=rollouts,verbs=get;list;watch;create;update;patch;delete
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//+kubebuilder:rbac:groups=rollouts.kruise.io,resources=rollouts/status,verbs=get;update;patch
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//+kubebuilder:rbac:groups=rollouts.kruise.io,resources=rollouts/finalizers,verbs=update
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//+kubebuilder:rbac:groups=core,resources=pods,verbs=get;list;watch;create;update;patch;delete
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//+kubebuilder:rbac:groups=core,resources=pods/status,verbs=get;update;patch
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//+kubebuilder:rbac:groups=core,resources=pods/finalizers,verbs=update
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//+kubebuilder:rbac:groups=core,resources=services,verbs=get;list;watch;create;update;patch;delete
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//+kubebuilder:rbac:groups=core,resources=services/status,verbs=get;update;patch
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//+kubebuilder:rbac:groups=networking.k8s.io,resources=ingresses,verbs=get;list;watch;create;update;patch;delete
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//+kubebuilder:rbac:groups=networking.k8s.io,resources=ingresses/status,verbs=get;update;patch
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// +kubebuilder:rbac:groups=rollouts.kruise.io,resources=batchreleases,verbs=get;list;watch;create;update;patch;delete
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// +kubebuilder:rbac:groups=rollouts.kruise.io,resources=batchreleases/status,verbs=get;update;patch
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// Reconcile is part of the main kubernetes reconciliation loop which aims to
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// move the current state of the cluster closer to the desired state.
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// TODO(user): Modify the Reconcile function to compare the state specified by
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// the Rollout object against the actual cluster state, and then
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// perform operations to make the cluster state reflect the state specified by
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// the user.
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//
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// For more details, check Reconcile and its Result here:
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// - https://pkg.go.dev/sigs.k8s.io/controller-runtime@v0.8.3/pkg/reconcile
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func (r *RolloutReconciler) Reconcile(ctx context.Context, req ctrl.Request) (ctrl.Result, error) {
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// Fetch the SidecarSet instance
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rollout := &appsv1alpha1.Rollout{}
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err := r.Get(context.TODO(), req.NamespacedName, rollout)
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if err != nil {
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if errors.IsNotFound(err) {
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// Object not found, return. Created objects are automatically garbage collected.
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// For additional cleanup logic use finalizers.
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return ctrl.Result{}, nil
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}
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// Error reading the object - requeue the request.
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return ctrl.Result{}, err
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}
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// handle finalizer
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doneReconcile, retErr := r.handleFinalizer(rollout)
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if doneReconcile {
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return ctrl.Result{}, retErr
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}
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// check rollout status, and update
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err = r.checkRolloutStatus(rollout)
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if err != nil {
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return ctrl.Result{}, err
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}
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var recheckTime *time.Time
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switch rollout.Status.Phase {
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case appsv1alpha1.RolloutPhaseProgressing:
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recheckTime, err = r.reconcileRolloutProgressing(rollout)
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case appsv1alpha1.RolloutPhaseRollback:
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recheckTime, err = r.reconcileRolloutRollback(rollout)
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case appsv1alpha1.RolloutPhaseTerminating:
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recheckTime, err = r.reconcileRolloutTerminating(rollout)
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}
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if err != nil {
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return ctrl.Result{}, err
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} else if recheckTime != nil {
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return ctrl.Result{RequeueAfter: time.Until(*recheckTime)}, nil
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}
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return ctrl.Result{}, nil
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}
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// SetupWithManager sets up the controller with the Manager.
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func (r *RolloutReconciler) SetupWithManager(mgr ctrl.Manager) error {
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// Create a new controller
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c, err := controller.New("rollout-controller", mgr, controller.Options{
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Reconciler: r, MaxConcurrentReconciles: concurrentReconciles})
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if err != nil {
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return err
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}
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// Watch for changes to cloneset
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if err = c.Watch(&source.Kind{Type: &kruiseappsv1alpha1.CloneSet{}}, &enqueueRequestForWorkload{reader: mgr.GetCache(), scheme: r.Scheme}); err != nil {
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return err
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}
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// Watch for changes to deployment
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if err = c.Watch(&source.Kind{Type: &apps.Deployment{}}, &enqueueRequestForWorkload{reader: mgr.GetCache(), scheme: r.Scheme}); err != nil {
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return err
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}
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// Watch for changes to rollout
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if err = c.Watch(&source.Kind{Type: &appsv1alpha1.Rollout{}}, &handler.EnqueueRequestForObject{}); err != nil {
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return err
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}
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// Watch for changes to batchRelease
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if err = c.Watch(&source.Kind{Type: &appsv1alpha1.BatchRelease{}}, &enqueueRequestForBatchRelease{reader: mgr.GetCache()}); err != nil {
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return err
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}
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return nil
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}
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