forked from kubermatic/machine-controller
/
machine.go
62 lines (49 loc) · 1.96 KB
/
machine.go
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/*
Copyright 2022 The Machine Controller 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 util
import (
"context"
"fmt"
clusterv1alpha1 "github.com/magnusr/kubermatic-machine-controller/pkg/apis/cluster/v1alpha1"
"k8s.io/apimachinery/pkg/types"
"sigs.k8s.io/controller-runtime/pkg/client"
)
// LegacyMachineControllerUserDataLabel is set to true when machine-controller is used for managing machine configuration.
const LegacyMachineControllerUserDataLabel = "machine.clusters.k8s.io/legacy-machine-controller-user-data"
func GetMachineDeploymentNameAndRevisionForMachine(ctx context.Context, machine *clusterv1alpha1.Machine, c client.Client) (string, string, error) {
var (
machineSetName string
machineDeploymentName string
)
for _, ownerRef := range machine.OwnerReferences {
if ownerRef.Kind == "MachineSet" {
machineSetName = ownerRef.Name
}
}
if machineSetName != "" {
machineSet := &clusterv1alpha1.MachineSet{}
if err := c.Get(ctx, types.NamespacedName{Name: machineSetName, Namespace: "kube-system"}, machineSet); err != nil {
return "", "", err
}
for _, ownerRef := range machineSet.OwnerReferences {
if ownerRef.Kind == "MachineDeployment" {
machineDeploymentName = ownerRef.Name
}
}
revision := machineSet.Annotations[RevisionAnnotation]
if machineDeploymentName != "" {
return machineDeploymentName, revision, nil
}
}
return "", "", fmt.Errorf("failed to find machine deployment reference for the machine %s", machine.Name)
}