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

     1  /*
     2  Copyright 2021 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 scalesetvms
    18  
    19  import (
    20  	"context"
    21  	"time"
    22  
    23  	"github.com/Azure/azure-sdk-for-go/sdk/azcore/runtime"
    24  	"github.com/Azure/azure-sdk-for-go/sdk/resourcemanager/compute/armcompute/v5"
    25  	"github.com/pkg/errors"
    26  	"sigs.k8s.io/cluster-api-provider-azure/azure"
    27  	"sigs.k8s.io/cluster-api-provider-azure/azure/services/async"
    28  	"sigs.k8s.io/cluster-api-provider-azure/util/tele"
    29  )
    30  
    31  // client wraps go-sdk.
    32  type client interface {
    33  	Get(context.Context, azure.ResourceSpecGetter) (interface{}, error)
    34  	CreateOrUpdateAsync(context.Context, azure.ResourceSpecGetter, string, interface{}) (interface{}, *runtime.Poller[armcompute.VirtualMachineScaleSetVMsClientUpdateResponse], error)
    35  	DeleteAsync(context.Context, azure.ResourceSpecGetter, string) (*runtime.Poller[armcompute.VirtualMachineScaleSetVMsClientDeleteResponse], error)
    36  }
    37  
    38  // azureClient contains the Azure go-sdk Client.
    39  type azureClient struct {
    40  	scalesetvms    *armcompute.VirtualMachineScaleSetVMsClient
    41  	apiCallTimeout time.Duration
    42  }
    43  
    44  var _ client = &azureClient{}
    45  
    46  // newClient creates a VMSS client from an authorizer.
    47  func newClient(auth azure.Authorizer, apiCallTimeout time.Duration) (*azureClient, error) {
    48  	opts, err := azure.ARMClientOptions(auth.CloudEnvironment())
    49  	if err != nil {
    50  		return nil, errors.Wrap(err, "failed to create scalesetvms client options")
    51  	}
    52  	factory, err := armcompute.NewClientFactory(auth.SubscriptionID(), auth.Token(), opts)
    53  	if err != nil {
    54  		return nil, errors.Wrap(err, "failed to create armcompute client factory")
    55  	}
    56  	return &azureClient{factory.NewVirtualMachineScaleSetVMsClient(), apiCallTimeout}, nil
    57  }
    58  
    59  // Get retrieves the Virtual Machine Scale Set Virtual Machine.
    60  func (ac *azureClient) Get(ctx context.Context, spec azure.ResourceSpecGetter) (interface{}, error) {
    61  	ctx, _, done := tele.StartSpanWithLogger(ctx, "scalesetvms.azureClient.Get")
    62  	defer done()
    63  
    64  	resp, err := ac.scalesetvms.Get(ctx, spec.ResourceGroupName(), spec.OwnerResourceName(), spec.ResourceName(), nil)
    65  	if err != nil {
    66  		return nil, err
    67  	}
    68  	return resp.VirtualMachineScaleSetVM, nil
    69  }
    70  
    71  // CreateOrUpdateAsync is a dummy implementation to fulfill the async.Reconciler interface.
    72  func (ac *azureClient) CreateOrUpdateAsync(ctx context.Context, spec azure.ResourceSpecGetter, resumeToken string, parameters interface{}) (result interface{}, poller *runtime.Poller[armcompute.VirtualMachineScaleSetVMsClientUpdateResponse], err error) {
    73  	_, _, done := tele.StartSpanWithLogger(ctx, "scalesets.AzureClient.CreateOrUpdateAsync")
    74  	defer done()
    75  
    76  	return nil, nil, nil
    77  }
    78  
    79  // DeleteAsync deletes a virtual machine scale set instance asynchronously. DeleteAsync sends a DELETE
    80  // request to Azure and if accepted without error, the func will return a Poller which can be used to track the ongoing
    81  // progress of the operation.
    82  func (ac *azureClient) DeleteAsync(ctx context.Context, spec azure.ResourceSpecGetter, resumeToken string) (poller *runtime.Poller[armcompute.VirtualMachineScaleSetVMsClientDeleteResponse], err error) {
    83  	ctx, _, done := tele.StartSpanWithLogger(ctx, "scalesetvms.AzureClient.DeleteAsync")
    84  	defer done()
    85  
    86  	opts := &armcompute.VirtualMachineScaleSetVMsClientBeginDeleteOptions{ResumeToken: resumeToken}
    87  	poller, err = ac.scalesetvms.BeginDelete(ctx, spec.ResourceGroupName(), spec.OwnerResourceName(), spec.ResourceName(), opts)
    88  	if err != nil {
    89  		return nil, err
    90  	}
    91  
    92  	ctx, cancel := context.WithTimeout(ctx, ac.apiCallTimeout)
    93  	defer cancel()
    94  
    95  	pollOpts := &runtime.PollUntilDoneOptions{Frequency: async.DefaultPollerFrequency}
    96  	_, err = poller.PollUntilDone(ctx, pollOpts)
    97  	if err != nil {
    98  		// if an error occurs, return the Poller.
    99  		// this means the long-running operation didn't finish in the specified timeout.
   100  		return poller, err
   101  	}
   102  
   103  	// if the operation completed, return a nil poller.
   104  	return nil, err
   105  }