mirror of
https://github.com/TECHNOFAB11/zfs-localpv.git
synced 2025-12-12 06:20:11 +01:00
116 lines
2.8 KiB
Go
116 lines
2.8 KiB
Go
// Copyright 2019 The OpenEBS Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package pvc
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import (
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"strings"
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corev1 "k8s.io/api/core/v1"
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)
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// PVC is a wrapper over persistentvolumeclaim api
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// object. It provides build, validations and other common
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// logic to be used by various feature specific callers.
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type PVC struct {
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object *corev1.PersistentVolumeClaim
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}
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// PVCList is a wrapper over persistentvolumeclaim api
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// object. It provides build, validations and other common
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// logic to be used by various feature specific callers.
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type PVCList struct {
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items []*PVC
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}
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// Len returns the number of items present
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// in the PVCList
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func (p *PVCList) Len() int {
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return len(p.items)
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}
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// ToAPIList converts PVCList to API PVCList
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func (p *PVCList) ToAPIList() *corev1.PersistentVolumeClaimList {
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plist := &corev1.PersistentVolumeClaimList{}
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for _, pvc := range p.items {
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plist.Items = append(plist.Items, *pvc.object)
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}
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return plist
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}
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type pvcBuildOption func(*PVC)
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// NewForAPIObject returns a new instance of PVC
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func NewForAPIObject(obj *corev1.PersistentVolumeClaim, opts ...pvcBuildOption) *PVC {
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p := &PVC{object: obj}
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for _, o := range opts {
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o(p)
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}
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return p
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}
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// Predicate defines an abstraction
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// to determine conditional checks
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// against the provided pvc instance
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type Predicate func(*PVC) bool
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// IsBound returns true if the pvc is bounded
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func (p *PVC) IsBound() bool {
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return p.object.Status.Phase == corev1.ClaimBound
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}
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// IsBound is a predicate to filter out pvcs
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// which is bounded
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func IsBound() Predicate {
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return func(p *PVC) bool {
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return p.IsBound()
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}
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}
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// IsNil returns true if the PVC instance
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// is nil
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func (p *PVC) IsNil() bool {
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return p.object == nil
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}
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// IsNil is predicate to filter out nil PVC
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// instances
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func IsNil() Predicate {
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return func(p *PVC) bool {
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return p.IsNil()
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}
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}
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// ContainsName is filter function to filter pvc's
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// based on the name
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func ContainsName(name string) Predicate {
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return func(p *PVC) bool {
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return strings.Contains(p.object.GetName(), name)
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}
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}
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// PredicateList holds a list of predicate
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type PredicateList []Predicate
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// all returns true if all the predicates
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// succeed against the provided pvc
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// instance
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func (l PredicateList) all(p *PVC) bool {
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for _, pred := range l {
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if !pred(p) {
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return false
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}
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}
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return true
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}
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