/
koki_pvc_to_kube_pvc.go
178 lines (151 loc) · 4.75 KB
/
koki_pvc_to_kube_pvc.go
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package converters
import (
"k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/api/resource"
"github.com/koki/short/types"
serrors "github.com/koki/structurederrors"
)
func Convert_Koki_PVC_to_Kube_PVC(pvc *types.PersistentVolumeClaimWrapper) (interface{}, error) {
kubePVC := &v1.PersistentVolumeClaim{}
kokiPVC := pvc.PersistentVolumeClaim
kubePVC.Name = kokiPVC.Name
kubePVC.Namespace = kokiPVC.Namespace
kubePVC.APIVersion = kokiPVC.Version
kubePVC.Kind = "PersistentVolumeClaim"
kubePVC.ClusterName = kokiPVC.Cluster
kubePVC.Labels = kokiPVC.Labels
kubePVC.Annotations = kokiPVC.Annotations
spec, err := revertPVCSpec(kokiPVC)
if err != nil {
return nil, err
}
kubePVC.Spec = spec
status, err := revertPVCStatus(kokiPVC)
if err != nil {
return nil, err
}
kubePVC.Status = status
return kubePVC, nil
}
func revertPVCSpec(kokiPVC types.PersistentVolumeClaim) (v1.PersistentVolumeClaimSpec, error) {
kubeSpec := v1.PersistentVolumeClaimSpec{}
selector, _, err := revertRSSelector(kokiPVC.Name, kokiPVC.Selector, nil)
if err != nil {
return kubeSpec, err
}
kubeSpec.Selector = selector
accessModes, err := revertAccessModes(kokiPVC.AccessModes)
if err != nil {
return kubeSpec, err
}
kubeSpec.AccessModes = accessModes
resources, err := revertPVCResources(kokiPVC.Storage)
if err != nil {
return kubeSpec, err
}
kubeSpec.Resources = resources
kubeSpec.VolumeName = kokiPVC.Volume
kubeSpec.StorageClassName = kokiPVC.StorageClass
return kubeSpec, nil
}
func revertAccessModes(accessModes []types.PersistentVolumeAccessMode) ([]v1.PersistentVolumeAccessMode, error) {
var kubeAccessModes []v1.PersistentVolumeAccessMode
for i := range accessModes {
mode := accessModes[i]
kubeAccessMode := revertAccessMode(mode)
kubeAccessModes = append(kubeAccessModes, kubeAccessMode)
}
return kubeAccessModes, nil
}
func revertAccessMode(accessMode types.PersistentVolumeAccessMode) v1.PersistentVolumeAccessMode {
switch accessMode {
case types.ReadWriteOnce:
return v1.ReadWriteOnce
case types.ReadOnlyMany:
return v1.ReadOnlyMany
case types.ReadWriteMany:
return v1.ReadWriteMany
default:
return ""
}
}
func revertPVCResources(storage string) (v1.ResourceRequirements, error) {
if storage == "" {
return v1.ResourceRequirements{}, nil
}
quantity, err := resource.ParseQuantity(storage)
if err != nil {
return v1.ResourceRequirements{}, err
}
return v1.ResourceRequirements{
Requests: v1.ResourceList{
v1.ResourceStorage: quantity,
},
}, nil
}
func revertPVCStatus(kokiPVC types.PersistentVolumeClaim) (v1.PersistentVolumeClaimStatus, error) {
kubePVCStatus := v1.PersistentVolumeClaimStatus{}
kokiStatus := kokiPVC.PersistentVolumeClaimStatus
conditions, err := revertPVCConditions(kokiStatus.Conditions)
if err != nil {
return kubePVCStatus, err
}
kubePVCStatus.Conditions = conditions
capacity, err := revertPVCResources(kokiStatus.Storage)
if err != nil {
return kubePVCStatus, err
}
kubePVCStatus.Capacity = capacity.Requests
accessModes, err := revertAccessModes(kokiStatus.AccessModes)
if err != nil {
return kubePVCStatus, err
}
kubePVCStatus.AccessModes = accessModes
kubePVCStatus.Phase = revertPVCPhase(kokiStatus.Phase)
return kubePVCStatus, nil
}
func revertPVCPhase(phase types.PersistentVolumeClaimPhase) v1.PersistentVolumeClaimPhase {
switch phase {
case types.ClaimPending:
return v1.ClaimPending
case types.ClaimBound:
return v1.ClaimBound
case types.ClaimLost:
return v1.ClaimLost
default:
return ""
}
}
func revertPVCConditions(kokiConditions []types.PersistentVolumeClaimCondition) ([]v1.PersistentVolumeClaimCondition, error) {
if len(kokiConditions) == 0 {
return nil, nil
}
kubeConditions := make([]v1.PersistentVolumeClaimCondition, len(kokiConditions))
for i, condition := range kokiConditions {
status, err := revertConditionStatus(condition.Status)
if err != nil {
return nil, serrors.ContextualizeErrorf(err, "pvc conditions[%d]", i)
}
conditionType, err := revertPVCConditionType(condition.Type)
if err != nil {
return nil, serrors.ContextualizeErrorf(err, "pvc conditions[%d]", i)
}
kubeConditions[i] = v1.PersistentVolumeClaimCondition{
Type: conditionType,
Status: status,
LastProbeTime: condition.LastProbeTime,
LastTransitionTime: condition.LastTransitionTime,
Reason: condition.Reason,
Message: condition.Message,
}
}
return kubeConditions, nil
}
func revertPVCConditionType(kokiType types.PersistentVolumeClaimConditionType) (v1.PersistentVolumeClaimConditionType, error) {
switch kokiType {
case types.PersistentVolumeClaimResizing:
return v1.PersistentVolumeClaimResizing, nil
default:
return "", serrors.InvalidValueErrorf(kokiType, "unrecognized pvc condition type")
}
}