84 lines
3.0 KiB
Go
84 lines
3.0 KiB
Go
/*
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Copyright 2026.
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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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"reflect"
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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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logf "sigs.k8s.io/controller-runtime/pkg/log"
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databasev1alpha1 "git.ddupan.top/panxiao81/postgresql-tenant-operator/api/v1alpha1"
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)
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// PostgreSQLTenantReconciler reconciles a PostgreSQLTenant object
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type PostgreSQLTenantReconciler 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=database.ddupan.top,resources=postgresqltenants,verbs=get;list;watch;create;update;patch;delete
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// +kubebuilder:rbac:groups=database.ddupan.top,resources=postgresqltenants/status,verbs=get;update;patch
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// +kubebuilder:rbac:groups=database.ddupan.top,resources=postgresqltenants/finalizers,verbs=update
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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 PostgreSQLTenant 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/[email protected]/pkg/reconcile
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func (r *PostgreSQLTenantReconciler) Reconcile(ctx context.Context, req ctrl.Request) (ctrl.Result, error) {
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logger := logf.FromContext(ctx)
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tenant := &databasev1alpha1.PostgreSQLTenant{}
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if err := r.Get(ctx, req.NamespacedName, tenant); err != nil {
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return ctrl.Result{}, client.IgnoreNotFound(err)
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}
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before := tenant.DeepCopy()
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phaseResult := newTenantStateMachine().reconcile(tenant)
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tenant.Status.Phase = phaseResult.phase
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if phaseResult.reconcilingMessage != "" {
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setReconcilingCondition(&tenant.Status.Conditions, tenant.Generation, phaseResult.reconcilingMessage)
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}
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if !reflect.DeepEqual(before.Status, tenant.Status) {
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if err := r.Status().Patch(ctx, tenant, client.MergeFrom(before)); err != nil {
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if apierrors.IsConflict(err) {
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logger.V(1).Info("tenant status changed concurrently; retrying")
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}
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return ctrl.Result{}, err
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}
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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 *PostgreSQLTenantReconciler) SetupWithManager(mgr ctrl.Manager) error {
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return ctrl.NewControllerManagedBy(mgr).
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For(&databasev1alpha1.PostgreSQLTenant{}).
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Named("postgresqltenant").
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Complete(r)
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}
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