sigs.k8s.io/cluster-api-provider-azure@v1.17.0/azure/services/agentpools/agentpools.go (about)

     1  /*
     2  Copyright 2020 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 agentpools
    18  
    19  import (
    20  	"context"
    21  
    22  	asocontainerservicev1hub "github.com/Azure/azure-service-operator/v2/api/containerservice/v1api20231001/storage"
    23  	"github.com/Azure/azure-service-operator/v2/pkg/genruntime"
    24  	"k8s.io/utils/ptr"
    25  	infrav1 "sigs.k8s.io/cluster-api-provider-azure/api/v1beta1"
    26  	"sigs.k8s.io/cluster-api-provider-azure/azure"
    27  	"sigs.k8s.io/cluster-api-provider-azure/azure/services/aso"
    28  	clusterv1 "sigs.k8s.io/cluster-api/api/v1beta1"
    29  	"sigs.k8s.io/controller-runtime/pkg/conversion"
    30  )
    31  
    32  const serviceName = "agentpools"
    33  
    34  // AgentPoolScope defines the scope interface for an agent pool.
    35  type AgentPoolScope interface {
    36  	aso.Scope
    37  
    38  	Name() string
    39  	NodeResourceGroup() string
    40  	AgentPoolSpec() azure.ASOResourceSpecGetter[genruntime.MetaObject]
    41  	SetAgentPoolProviderIDList([]string)
    42  	SetAgentPoolReplicas(int32)
    43  	SetAgentPoolReady(bool)
    44  	SetCAPIMachinePoolReplicas(replicas *int)
    45  	SetCAPIMachinePoolAnnotation(key, value string)
    46  	RemoveCAPIMachinePoolAnnotation(key string)
    47  	SetSubnetName()
    48  	IsPreviewEnabled() bool
    49  }
    50  
    51  // New creates a new service.
    52  func New(scope AgentPoolScope) *aso.Service[genruntime.MetaObject, AgentPoolScope] {
    53  	svc := aso.NewService[genruntime.MetaObject](serviceName, scope)
    54  	svc.Specs = []azure.ASOResourceSpecGetter[genruntime.MetaObject]{scope.AgentPoolSpec()}
    55  	svc.ConditionType = infrav1.AgentPoolsReadyCondition
    56  	svc.PostCreateOrUpdateResourceHook = postCreateOrUpdateResourceHook
    57  	return svc
    58  }
    59  
    60  func postCreateOrUpdateResourceHook(ctx context.Context, scope AgentPoolScope, obj genruntime.MetaObject, err error) error {
    61  	if err != nil {
    62  		return err
    63  	}
    64  	agentPool := &asocontainerservicev1hub.ManagedClustersAgentPool{}
    65  	if err := obj.(conversion.Convertible).ConvertTo(agentPool); err != nil {
    66  		return err
    67  	}
    68  
    69  	// When autoscaling is set, add the annotation to the machine pool and update the replica count.
    70  	if ptr.Deref(agentPool.Status.EnableAutoScaling, false) {
    71  		scope.SetCAPIMachinePoolAnnotation(clusterv1.ReplicasManagedByAnnotation, "true")
    72  		scope.SetCAPIMachinePoolReplicas(agentPool.Status.Count)
    73  	} else { // Otherwise, remove the annotation.
    74  		scope.RemoveCAPIMachinePoolAnnotation(clusterv1.ReplicasManagedByAnnotation)
    75  	}
    76  	return nil
    77  }