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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,84 @@ | ||
| /* | ||
| Copyright 2024 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 check | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
|
|
||
| "github.com/pkg/errors" | ||
| corev1 "k8s.io/api/core/v1" | ||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
| "sigs.k8s.io/controller-runtime/pkg/client" | ||
|
|
||
| clusterv1 "sigs.k8s.io/cluster-api/api/v1beta1" | ||
| expv1 "sigs.k8s.io/cluster-api/exp/api/v1beta1" | ||
| ) | ||
|
|
||
| // IsMachineDeploymentUpgrading determines if the MachineDeployment is upgrading. | ||
| // A machine deployment is considered upgrading if at least one of the Machines of this | ||
| // MachineDeployment has a different version. | ||
| func IsMachineDeploymentUpgrading(ctx context.Context, c client.Reader, md *clusterv1.MachineDeployment) (bool, error) { | ||
| // If the MachineDeployment has no version there is no definitive way to check if it is upgrading. Therefore, return false. | ||
| // Note: This case should not happen. | ||
| if md.Spec.Template.Spec.Version == nil { | ||
| return false, nil | ||
| } | ||
| selectorMap, err := metav1.LabelSelectorAsMap(&md.Spec.Selector) | ||
| if err != nil { | ||
| return false, errors.Wrapf(err, "failed to check if MachineDeployment %s is upgrading: failed to convert label selector to map", md.Name) | ||
| } | ||
| machines := &clusterv1.MachineList{} | ||
| if err := c.List(ctx, machines, client.InNamespace(md.Namespace), client.MatchingLabels(selectorMap)); err != nil { | ||
| return false, errors.Wrapf(err, "failed to check if MachineDeployment %s is upgrading: failed to list Machines", md.Name) | ||
| } | ||
| mdVersion := *md.Spec.Template.Spec.Version | ||
| // Check if the versions of the all the Machines match the MachineDeployment version. | ||
| for i := range machines.Items { | ||
| machine := machines.Items[i] | ||
| if machine.Spec.Version == nil { | ||
| return false, fmt.Errorf("failed to check if MachineDeployment %s is upgrading: Machine %s has no version", md.Name, machine.Name) | ||
| } | ||
| if *machine.Spec.Version != mdVersion { | ||
| return true, nil | ||
| } | ||
| } | ||
| return false, nil | ||
| } | ||
|
|
||
| // IsMachinePoolUpgrading determines if the MachinePool is upgrading. | ||
| // A machine pool is considered upgrading if at least one of the Machines of this | ||
| // MachinePool has a different version. | ||
| func IsMachinePoolUpgrading(ctx context.Context, c client.Reader, mp *expv1.MachinePool) (bool, error) { | ||
| // If the MachinePool has no version there is no definitive way to check if it is upgrading. Therefore, return false. | ||
| // Note: This case should not happen. | ||
| if mp.Spec.Template.Spec.Version == nil { | ||
| return false, nil | ||
| } | ||
| mpVersion := *mp.Spec.Template.Spec.Version | ||
| // Check if the kubelet versions of the MachinePool noderefs match the MachinePool version. | ||
| for _, nodeRef := range mp.Status.NodeRefs { | ||
| node := &corev1.Node{} | ||
| if err := c.Get(ctx, client.ObjectKey{Name: nodeRef.Name}, node); err != nil { | ||
| return false, fmt.Errorf("failed to check if MachinePool %s is upgrading: failed to get Node %s", mp.Name, nodeRef.Name) | ||
| } | ||
| if mpVersion != node.Status.NodeInfo.KubeletVersion { | ||
| return true, nil | ||
| } | ||
| } | ||
| return false, nil | ||
| } |
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