118 lines
3.5 KiB
Go
118 lines
3.5 KiB
Go
/*
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Copyright 2025.
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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 controller
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import (
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"context"
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"time"
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apierrors "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/log"
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schedulev1 "github.com/baschno/tdset-operator/api/v1"
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)
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const (
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DefaultReconciliationInterval = 5
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)
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// TDSetReconciler reconciles a TDSet object
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type TDSetReconciler struct {
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client.Client
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Scheme *runtime.Scheme
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}
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// +kubebuilder:rbac:groups=schedule.rs,resources=tdsets,verbs=get;list;watch;create;update;patch;delete
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// +kubebuilder:rbac:groups=schedule.rs,resources=tdsets/status,verbs=get;update;patch
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// +kubebuilder:rbac:groups=schedule.rs,resources=tdsets/finalizers,verbs=update
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// +kubebuilder:rbac:groups=apps,resources=deployments,verbs=get;list;watch;create;update;patch;delete
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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 TDSet 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@v0.19.0/pkg/reconcile
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func (r *TDSetReconciler) Reconcile(ctx context.Context, req ctrl.Request) (ctrl.Result, error) {
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log := log.FromContext(ctx)
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log.Info("Starting reconciliation")
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tdSet := &schedulev1.TDSet{}
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// Get TDSet
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err := r.GetTDSet(ctx, req, tdSet)
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if err != nil {
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if apierrors.IsNotFound(err) {
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log.Info("TDSet not found - ignoring since object must be deleted")
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return ctrl.Result{}, nil
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}
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log.Error(err, "Failed to get TDSet")
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return ctrl.Result{}, err
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}
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// Try to set initial status
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err = r.SetInitialCondition(ctx, req, tdSet)
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if err != nil {
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log.Error(err, "Failed to set initial condition")
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return ctrl.Result{}, err
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}
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// TODO Delete finalizer
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// Deployment if not exist
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ok, err := r.DeploymentIfNotExist(ctx, req, tdSet)
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if err != nil {
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log.Error(err, "Failed to check deployment for TDSet")
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return ctrl.Result{}, err
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}
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if ok {
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return ctrl.Result{RequeueAfter: time.Minute}, nil
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}
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// Update deployment replica if mismatched
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err = r.UpdateDeploymentReplica(ctx, req, tdSet)
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if err != nil {
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log.Log.Error(err, "Failed to update deployment replica for TDSet")
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return ctrl.Result{}, err
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}
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interval := DefaultReconciliationInterval
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if tdSet.Spec.IntervalMint != 0 {
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interval = int(tdSet.Spec.IntervalMint)
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}
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log.Info("Reconciliation done", "RequeueAfter", interval)
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return ctrl.Result{RequeueAfter: time.Duration(time.Minute * time.Duration(interval))}, nil
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}
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// SetupWithManager sets up the controller with the Manager.
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func (r *TDSetReconciler) SetupWithManager(mgr ctrl.Manager) error {
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return ctrl.NewControllerManagedBy(mgr).
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For(&schedulev1.TDSet{}).
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Complete(r)
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}
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