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https://github.com/TECHNOFAB11/zfs-localpv.git
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59 lines
1.6 KiB
Go
59 lines
1.6 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 k8svolume
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import (
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corev1 "k8s.io/api/core/v1"
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)
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// Volume is a wrapper over named volume api object, used
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// within Pods. 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 Volume struct {
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object *corev1.Volume
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}
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type volumeBuildOption func(*Volume)
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// NewForAPIObject returns a new instance of Volume
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func NewForAPIObject(obj *corev1.Volume, opts ...volumeBuildOption) *Volume {
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v := &Volume{object: obj}
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for _, o := range opts {
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o(v)
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}
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return v
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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 volume instance
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type Predicate func(*Volume) bool
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// IsNil returns true if the Volume instance
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// is nil
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func (v *Volume) IsNil() bool {
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return v.object == nil
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}
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// IsNil is predicate to filter out nil Volume
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// instances
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func IsNil() Predicate {
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return func(v *Volume) bool {
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return v.IsNil()
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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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