sigs.k8s.io/cluster-api-provider-azure@v1.14.3/azure/services/privatedns/zone_reconciler.go (about)

     1  /*
     2  Copyright 2022 The Kubernetes Authors.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8      http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package privatedns
    18  
    19  import (
    20  	"context"
    21  
    22  	"github.com/pkg/errors"
    23  	infrav1 "sigs.k8s.io/cluster-api-provider-azure/api/v1beta1"
    24  	"sigs.k8s.io/cluster-api-provider-azure/azure"
    25  	"sigs.k8s.io/cluster-api-provider-azure/util/tele"
    26  )
    27  
    28  func (s *Service) reconcileZone(ctx context.Context, zoneSpec azure.ResourceSpecGetter) (managed bool, err error) {
    29  	ctx, log, done := tele.StartSpanWithLogger(ctx, "privatedns.Service.reconcileZone")
    30  	defer done()
    31  
    32  	managed, err = s.IsManaged(ctx)
    33  	if err != nil {
    34  		if azure.ResourceNotFound(err) {
    35  			managed = true
    36  		} else {
    37  			return managed, err
    38  		}
    39  	}
    40  
    41  	if !managed {
    42  		log.V(1).Info("Skipping reconciliation of unmanaged private DNS zone", "private DNS", zoneSpec.ResourceName())
    43  		return managed, nil
    44  	}
    45  
    46  	_, err = s.zoneReconciler.CreateOrUpdateResource(ctx, zoneSpec, serviceName)
    47  	return managed, err
    48  }
    49  
    50  func (s *Service) deleteZone(ctx context.Context, zoneSpec azure.ResourceSpecGetter) (managed bool, err error) {
    51  	ctx, log, done := tele.StartSpanWithLogger(ctx, "privatedns.Service.deleteZone")
    52  	defer done()
    53  
    54  	// Skip deleting the private DNS zone when it's not managed by capz.
    55  	isManaged, err := s.IsManaged(ctx)
    56  	if err != nil {
    57  		if azure.ResourceNotFound(err) {
    58  			// already deleted or doesn't exist, cleanup status and return.
    59  			s.Scope.DeleteLongRunningOperationState(zoneSpec.ResourceName(), serviceName, infrav1.DeleteFuture)
    60  			return managed, nil
    61  		}
    62  		return managed, errors.Wrapf(err, "could not get private DNS zone state of %s in resource group %s", zoneSpec.ResourceName(), zoneSpec.ResourceGroupName())
    63  	}
    64  
    65  	if !isManaged {
    66  		log.V(1).Info("Skipping deletion of unmanaged private DNS zone", "private DNS", zoneSpec.ResourceName())
    67  		return managed, nil
    68  	}
    69  
    70  	// if we reach here, it means that this vnet link is managed by capz.
    71  	managed = true
    72  
    73  	// Delete the private DNS zone, which also deletes all records
    74  	err = s.zoneReconciler.DeleteResource(ctx, zoneSpec, serviceName)
    75  	return managed, err
    76  }