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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,44 @@ | ||
| /* | ||
| Copyright 2024 Flant JSC | ||
| 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. | ||
| */ | ||
|
|
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| package vmbdacondition | ||
|
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| type Type = string | ||
|
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| const ( | ||
| BlockDeviceReadyType Type = "BlockDeviceReady" | ||
| VirtualMachineReadyType Type = "VirtualMachineReady" | ||
| AttachedType Type = "Attached" | ||
| ) | ||
|
|
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| type ( | ||
| BlockDeviceReadyReason = string | ||
| VirtualMachineReadyReason = string | ||
| AttachedReason = string | ||
| ) | ||
|
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| const ( | ||
| BlockDeviceReady BlockDeviceReadyReason = "BlockDeviceReady" | ||
| BlockDeviceNotReady BlockDeviceReadyReason = "BlockDeviceNotReady" | ||
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| VirtualMachineReady VirtualMachineReadyReason = "VirtualMachineReady" | ||
| VirtualMachineNotReady VirtualMachineReadyReason = "VirtualMachineNotReady" | ||
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| Attached AttachedReason = "Attached" | ||
| NotAttached AttachedReason = "NotAttached" | ||
| AttachmentRequestSent AttachedReason = "AttachmentRequestSent" | ||
| AttachmentFailed AttachedReason = "AttachmentFailed" | ||
| ) |
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161 changes: 161 additions & 0 deletions
161
images/virtualization-artifact/pkg/controller/service/attachment_service.go
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,161 @@ | ||
| /* | ||
| Copyright 2024 Flant JSC | ||
| 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. | ||
| */ | ||
|
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| package service | ||
|
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| import ( | ||
| "context" | ||
| "errors" | ||
| "fmt" | ||
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| corev1 "k8s.io/api/core/v1" | ||
| "k8s.io/apimachinery/pkg/types" | ||
| virtv1 "kubevirt.io/api/core/v1" | ||
| "sigs.k8s.io/controller-runtime/pkg/client" | ||
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| "github.com/deckhouse/virtualization-controller/pkg/controller/kubevirt" | ||
| "github.com/deckhouse/virtualization-controller/pkg/controller/kvapi" | ||
| "github.com/deckhouse/virtualization-controller/pkg/controller/kvbuilder" | ||
| "github.com/deckhouse/virtualization-controller/pkg/sdk/framework/helper" | ||
| virtv2 "github.com/deckhouse/virtualization/api/core/v1alpha2" | ||
| ) | ||
|
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| type AttachmentService struct { | ||
| client client.Client | ||
| controllerNamespace string | ||
| } | ||
|
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| func NewAttachmentService(client client.Client, controllerNamespace string) *AttachmentService { | ||
| return &AttachmentService{ | ||
| client: client, | ||
| controllerNamespace: controllerNamespace, | ||
| } | ||
| } | ||
|
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| func (s AttachmentService) IsHotPlugged(ctx context.Context, vd *virtv2.VirtualDisk, vm *virtv2.VirtualMachine) (bool, error) { | ||
| if vd == nil || vm == nil { | ||
| return false, errors.New("TODO") | ||
| } | ||
|
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| // TODO: get errors from xvm/xvmi. | ||
| // TODO: kvvmi not found or not ready? Check kvvm instead of kvvmi? | ||
| kvvmKey := types.NamespacedName{Namespace: vm.Namespace, Name: vm.Name} | ||
| kvvm, err := helper.FetchObject(ctx, kvvmKey, s.client, &virtv1.VirtualMachine{}) | ||
| if err != nil { | ||
| return false, err | ||
| } | ||
| if kvvm == nil { | ||
| return false, fmt.Errorf("kvvm %s not found", kvvmKey.String()) | ||
| } | ||
|
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| if kvvm.Spec.Template == nil { | ||
| return false, nil | ||
| } | ||
|
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| for _, volume := range kvvm.Spec.Template.Spec.Volumes { | ||
| if volume.Name == kvbuilder.GenerateVMDDiskName(vd.Name) { | ||
| return volume.PersistentVolumeClaim != nil && volume.PersistentVolumeClaim.Hotpluggable, nil | ||
| } | ||
| } | ||
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| return false, nil | ||
| } | ||
|
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| var ( | ||
| ErrVirtualDiskIsAlreadyAttached = errors.New("virtual disk is already attached to virtual machine") | ||
| ErrVirtualMachineWaitsForRestartApproval = errors.New("virtual machine waits for restart approval") | ||
| ) | ||
|
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| func (s AttachmentService) HotPlugDisk(ctx context.Context, vd *virtv2.VirtualDisk, vm *virtv2.VirtualMachine) error { | ||
| if vd == nil || vm == nil { | ||
| return errors.New("TODO") | ||
| } | ||
|
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| for _, bdr := range vm.Spec.BlockDeviceRefs { | ||
| if bdr.Kind == virtv2.DiskDevice && bdr.Name == vd.Name { | ||
| return ErrVirtualDiskIsAlreadyAttached | ||
| } | ||
| } | ||
|
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| if len(vm.Status.RestartAwaitingChanges) > 0 { | ||
| return ErrVirtualMachineWaitsForRestartApproval | ||
| } | ||
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| name := kvbuilder.GenerateVMDDiskName(vd.Name) | ||
|
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| hotplugRequest := virtv1.AddVolumeOptions{ | ||
| Name: name, | ||
| Disk: &virtv1.Disk{ | ||
| Name: name, | ||
| DiskDevice: virtv1.DiskDevice{ | ||
| Disk: &virtv1.DiskTarget{ | ||
| Bus: "scsi", | ||
| }, | ||
| }, | ||
| Serial: vd.Name, | ||
| }, | ||
| VolumeSource: &virtv1.HotplugVolumeSource{ | ||
| PersistentVolumeClaim: &virtv1.PersistentVolumeClaimVolumeSource{ | ||
| PersistentVolumeClaimVolumeSource: corev1.PersistentVolumeClaimVolumeSource{ | ||
| ClaimName: vd.Status.Target.PersistentVolumeClaim, | ||
| }, | ||
| Hotpluggable: true, | ||
| }, | ||
| }, | ||
| } | ||
|
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| kv, err := kubevirt.New(ctx, s.client, s.controllerNamespace) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
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| err = kvapi.New(s.client, kv).AddVolume(ctx, vm.Namespace, vm.Name, &hotplugRequest) | ||
| if err != nil { | ||
| return fmt.Errorf("error adding volume, %w", err) | ||
| } | ||
|
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| return nil | ||
| } | ||
|
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| func (s AttachmentService) UnplugDisk(ctx context.Context, vd *virtv2.VirtualDisk, vm *virtv2.VirtualMachine) error { | ||
| if vd == nil || vm == nil { | ||
| return errors.New("TODO") | ||
| } | ||
|
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| unplugRequest := virtv1.RemoveVolumeOptions{ | ||
| Name: kvbuilder.GenerateVMDDiskName(vd.Name), | ||
| } | ||
|
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| kv, err := kubevirt.New(ctx, s.client, s.controllerNamespace) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
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| err = kvapi.New(s.client, kv).RemoveVolume(ctx, vm.Namespace, vm.Name, &unplugRequest) | ||
| if err != nil { | ||
| return fmt.Errorf("error removing volume, %w", err) | ||
| } | ||
|
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| return nil | ||
| } | ||
|
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| func (s AttachmentService) GetVirtualDisk(ctx context.Context, name, namespace string) (*virtv2.VirtualDisk, error) { | ||
| return helper.FetchObject(ctx, types.NamespacedName{Namespace: name, Name: namespace}, s.client, &virtv2.VirtualDisk{}) | ||
| } | ||
|
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| func (s AttachmentService) GetVirtualMachine(ctx context.Context, name, namespace string) (*virtv2.VirtualMachine, error) { | ||
| return helper.FetchObject(ctx, types.NamespacedName{Namespace: name, Name: namespace}, s.client, &virtv2.VirtualMachine{}) | ||
| } |
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