/
test_utils.go
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/
test_utils.go
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package storagecapacityprioritization
import (
"fmt"
v1 "k8s.io/api/core/v1"
storagev1beta1 "k8s.io/api/storage/v1beta1"
"k8s.io/apimachinery/pkg/api/resource"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/labels"
pvutil "k8s.io/kubernetes/pkg/controller/volume/persistentvolume/util"
"k8s.io/utils/pointer"
)
type nodeBuilder struct {
*v1.Node
}
func makeNode(name string) nodeBuilder {
return nodeBuilder{Node: &v1.Node{
ObjectMeta: metav1.ObjectMeta{
Name: name,
Labels: map[string]string{
v1.LabelHostname: name,
},
},
}}
}
func (nb nodeBuilder) withLabel(key, value string) nodeBuilder {
if nb.Node.ObjectMeta.Labels == nil {
nb.Node.ObjectMeta.Labels = map[string]string{}
}
nb.Node.ObjectMeta.Labels[key] = value
return nb
}
type pvBuilder struct {
*v1.PersistentVolume
}
func makePV(name, className string) pvBuilder {
return pvBuilder{PersistentVolume: &v1.PersistentVolume{
ObjectMeta: metav1.ObjectMeta{
Name: name,
},
Spec: v1.PersistentVolumeSpec{
StorageClassName: className,
},
}}
}
func (pvb pvBuilder) withNodeAffinity(keyValues map[string][]string) pvBuilder {
matchExpressions := make([]v1.NodeSelectorRequirement, 0)
for key, values := range keyValues {
matchExpressions = append(matchExpressions, v1.NodeSelectorRequirement{
Key: key,
Operator: v1.NodeSelectorOpIn,
Values: values,
})
}
pvb.PersistentVolume.Spec.NodeAffinity = &v1.VolumeNodeAffinity{
Required: &v1.NodeSelector{
NodeSelectorTerms: []v1.NodeSelectorTerm{
{
MatchExpressions: matchExpressions,
},
},
},
}
return pvb
}
func (pvb pvBuilder) withVersion(version string) pvBuilder {
pvb.PersistentVolume.ObjectMeta.ResourceVersion = version
return pvb
}
func (pvb pvBuilder) withCapacity(capacity resource.Quantity) pvBuilder {
pvb.PersistentVolume.Spec.Capacity = v1.ResourceList{
v1.ResourceName(v1.ResourceStorage): capacity,
}
return pvb
}
func (pvb pvBuilder) withPhase(phase v1.PersistentVolumePhase) pvBuilder {
pvb.PersistentVolume.Status = v1.PersistentVolumeStatus{
Phase: phase,
}
return pvb
}
type pvcBuilder struct {
*v1.PersistentVolumeClaim
}
func makePVC(name string, storageClassName string) pvcBuilder {
return pvcBuilder{PersistentVolumeClaim: &v1.PersistentVolumeClaim{
ObjectMeta: metav1.ObjectMeta{
Name: name,
Namespace: v1.NamespaceDefault,
},
Spec: v1.PersistentVolumeClaimSpec{
StorageClassName: pointer.StringPtr(storageClassName),
},
}}
}
func (pvcb pvcBuilder) withBoundPV(pvName string) pvcBuilder {
pvcb.PersistentVolumeClaim.Spec.VolumeName = pvName
metav1.SetMetaDataAnnotation(&pvcb.PersistentVolumeClaim.ObjectMeta, pvutil.AnnBindCompleted, "true")
return pvcb
}
func (pvcb pvcBuilder) withRequestStorage(request resource.Quantity) pvcBuilder {
pvcb.PersistentVolumeClaim.Spec.Resources = v1.ResourceRequirements{
Requests: v1.ResourceList{
v1.ResourceName(v1.ResourceStorage): request,
},
}
return pvcb
}
func (pvcb pvcBuilder) withPhase(phase v1.PersistentVolumeClaimPhase) pvcBuilder {
pvcb.PersistentVolumeClaim.Status = v1.PersistentVolumeClaimStatus{
Phase: phase,
}
return pvcb
}
type podBuilder struct {
*v1.Pod
}
func makePod(name string) podBuilder {
pb := podBuilder{Pod: &v1.Pod{
ObjectMeta: metav1.ObjectMeta{
Name: name,
Namespace: v1.NamespaceDefault,
},
}}
pb.Pod.Spec.Volumes = make([]v1.Volume, 0)
return pb
}
func (pb podBuilder) withNodeName(name string) podBuilder {
pb.Pod.Spec.NodeName = name
return pb
}
func (pb podBuilder) withNamespace(name string) podBuilder {
pb.Pod.ObjectMeta.Namespace = name
return pb
}
func (pb podBuilder) withPVCVolume(pvcName, name string) podBuilder {
pb.Pod.Spec.Volumes = append(pb.Pod.Spec.Volumes, v1.Volume{
Name: name,
VolumeSource: v1.VolumeSource{
PersistentVolumeClaim: &v1.PersistentVolumeClaimVolumeSource{
ClaimName: pvcName,
},
},
})
return pb
}
func (pb podBuilder) withPVCSVolume(pvcs []*v1.PersistentVolumeClaim) podBuilder {
for i, pvc := range pvcs {
pb.withPVCVolume(pvc.Name, fmt.Sprintf("vol%v", i))
}
return pb
}
func (pb podBuilder) withEmptyDirVolume() podBuilder {
pb.Pod.Spec.Volumes = append(pb.Pod.Spec.Volumes, v1.Volume{
VolumeSource: v1.VolumeSource{
EmptyDir: &v1.EmptyDirVolumeSource{},
},
})
return pb
}
func (pb podBuilder) withGenericEphemeralVolume(name string) podBuilder {
pb.Pod.Spec.Volumes = append(pb.Pod.Spec.Volumes, v1.Volume{
Name: name,
VolumeSource: v1.VolumeSource{
Ephemeral: &v1.EphemeralVolumeSource{},
},
})
return pb
}
type cscBuilder struct {
*storagev1beta1.CSIStorageCapacity
}
func makeCSC(name string, storageClassName string) cscBuilder {
return cscBuilder{CSIStorageCapacity: &storagev1beta1.CSIStorageCapacity{
ObjectMeta: metav1.ObjectMeta{
Name: fmt.Sprintf("csisc-%s", name),
Namespace: v1.NamespaceDefault,
},
StorageClassName: storageClassName,
}}
}
func (csc cscBuilder) withCapacity(capacity resource.Quantity) cscBuilder {
csc.Capacity = &capacity
return csc
}
func (csc cscBuilder) withTopology(ls labels.Set) cscBuilder {
csc.NodeTopology = metav1.SetAsLabelSelector(ls)
return csc
}