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availabilitysets.go
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availabilitysets.go
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/*
Copyright 2020 The Kubernetes Authors.
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 availabilitysets
import (
"context"
"github.com/Azure/azure-sdk-for-go/sdk/resourcemanager/compute/armcompute/v5"
"github.com/pkg/errors"
infrav1 "sigs.k8s.io/cluster-api-provider-azure/api/v1beta1"
"sigs.k8s.io/cluster-api-provider-azure/azure"
"sigs.k8s.io/cluster-api-provider-azure/azure/services/async"
"sigs.k8s.io/cluster-api-provider-azure/azure/services/resourceskus"
"sigs.k8s.io/cluster-api-provider-azure/util/tele"
)
const serviceName = "availabilitysets"
// AvailabilitySetScope defines the scope interface for a availability sets service.
type AvailabilitySetScope interface {
azure.ClusterDescriber
azure.AsyncStatusUpdater
AvailabilitySetSpec() azure.ResourceSpecGetter
}
// Service provides operations on Azure resources.
type Service struct {
Scope AvailabilitySetScope
async.Getter
async.Reconciler
resourceSKUCache *resourceskus.Cache
}
// New creates a new availability sets service.
func New(scope AvailabilitySetScope, skuCache *resourceskus.Cache) (*Service, error) {
client, err := NewClient(scope)
if err != nil {
return nil, err
}
return &Service{
Scope: scope,
Getter: client,
resourceSKUCache: skuCache,
Reconciler: async.New[armcompute.AvailabilitySetsClientCreateOrUpdateResponse,
armcompute.AvailabilitySetsClientDeleteResponse](scope, client, client),
}, nil
}
// Name returns the service name.
func (s *Service) Name() string {
return serviceName
}
// Reconcile idempotently creates or updates an availability set.
func (s *Service) Reconcile(ctx context.Context) error {
ctx, log, done := tele.StartSpanWithLogger(ctx, "availabilitysets.Service.Reconcile")
defer done()
ctx, cancel := context.WithTimeout(ctx, s.Scope.DefaultedAzureServiceReconcileTimeout())
defer cancel()
var err error
if setSpec := s.Scope.AvailabilitySetSpec(); setSpec != nil {
_, err = s.CreateOrUpdateResource(ctx, setSpec, serviceName)
} else {
log.V(2).Info("skip creation when no availability set spec is found")
return nil
}
s.Scope.UpdatePutStatus(infrav1.AvailabilitySetReadyCondition, serviceName, err)
return err
}
// Delete deletes availability sets.
func (s *Service) Delete(ctx context.Context) error {
ctx, log, done := tele.StartSpanWithLogger(ctx, "availabilitysets.Service.Delete")
defer done()
ctx, cancel := context.WithTimeout(ctx, s.Scope.DefaultedAzureServiceReconcileTimeout())
defer cancel()
var resultingErr error
setSpec := s.Scope.AvailabilitySetSpec()
if setSpec == nil {
log.V(2).Info("skip deletion when no availability set spec is found")
return nil
}
existingSet, err := s.Get(ctx, setSpec)
if err != nil {
if !azure.ResourceNotFound(err) {
resultingErr = errors.Wrapf(err, "failed to get availability set %s in resource group %s", setSpec.ResourceName(), setSpec.ResourceGroupName())
}
} else {
availabilitySet, ok := existingSet.(armcompute.AvailabilitySet)
if !ok {
resultingErr = errors.Errorf("%T is not an armcompute.AvailabilitySet", existingSet)
} else {
// only delete when the availability set does not have any vms
if availabilitySet.Properties != nil && len(availabilitySet.Properties.VirtualMachines) > 0 {
log.V(2).Info("skip deleting availability set with VMs", "availability set", setSpec.ResourceName())
} else {
resultingErr = s.DeleteResource(ctx, setSpec, serviceName)
}
}
}
s.Scope.UpdateDeleteStatus(infrav1.AvailabilitySetReadyCondition, serviceName, resultingErr)
return resultingErr
}
// IsManaged returns always returns true as CAPZ does not support BYO availability set.
func (s *Service) IsManaged(ctx context.Context) (bool, error) {
return true, nil
}