mirror of
https://github.com/TECHNOFAB11/zfs-localpv.git
synced 2025-12-11 22:10:11 +01:00
9f5cf445df
provisioning and deprovisioning of the volumes on the node where zfs pool has already been setup. Pool name and the volume parameters has to be given in storage class which will be used to provision the volume. Signed-off-by: Pawan <pawan@mayadata.io>
115 lines
2.7 KiB
Go
115 lines
2.7 KiB
Go
// Copyright © 2019 The OpenEBS 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 builder
|
|
|
|
import (
|
|
apis "github.com/openebs/zfs-localpv/pkg/apis/openebs.io/core/v1alpha1"
|
|
)
|
|
|
|
// ZFSVolume is a wrapper over
|
|
// ZFSVolume API instance
|
|
type ZFSVolume struct {
|
|
Object *apis.ZFSVolume
|
|
}
|
|
|
|
// From returns a new instance of
|
|
// csi volume
|
|
func From(vol *apis.ZFSVolume) *ZFSVolume {
|
|
return &ZFSVolume{
|
|
Object: vol,
|
|
}
|
|
}
|
|
|
|
// Predicate defines an abstraction
|
|
// to determine conditional checks
|
|
// against the provided pod instance
|
|
type Predicate func(*ZFSVolume) bool
|
|
|
|
// PredicateList holds a list of predicate
|
|
type predicateList []Predicate
|
|
|
|
// ZFSVolumeList holds the list
|
|
// of csi volume instances
|
|
type ZFSVolumeList struct {
|
|
List apis.ZFSVolumeList
|
|
}
|
|
|
|
// Len returns the number of items present
|
|
// in the ZFSVolumeList
|
|
func (p *ZFSVolumeList) Len() int {
|
|
return len(p.List.Items)
|
|
}
|
|
|
|
// all returns true if all the predicates
|
|
// succeed against the provided ZFSVolume
|
|
// instance
|
|
func (l predicateList) all(p *ZFSVolume) bool {
|
|
for _, pred := range l {
|
|
if !pred(p) {
|
|
return false
|
|
}
|
|
}
|
|
return true
|
|
}
|
|
|
|
// HasLabels returns true if provided labels
|
|
// are present in the provided ZFSVolume instance
|
|
func HasLabels(keyValuePair map[string]string) Predicate {
|
|
return func(p *ZFSVolume) bool {
|
|
for key, value := range keyValuePair {
|
|
if !p.HasLabel(key, value) {
|
|
return false
|
|
}
|
|
}
|
|
return true
|
|
}
|
|
}
|
|
|
|
// HasLabel returns true if provided label
|
|
// is present in the provided ZFSVolume instance
|
|
func (p *ZFSVolume) HasLabel(key, value string) bool {
|
|
val, ok := p.Object.GetLabels()[key]
|
|
if ok {
|
|
return val == value
|
|
}
|
|
return false
|
|
}
|
|
|
|
// HasLabel returns true if provided label
|
|
// is present in the provided ZFSVolume instance
|
|
func HasLabel(key, value string) Predicate {
|
|
return func(p *ZFSVolume) bool {
|
|
return p.HasLabel(key, value)
|
|
}
|
|
}
|
|
|
|
// IsNil returns true if the csi volume instance
|
|
// is nil
|
|
func (p *ZFSVolume) IsNil() bool {
|
|
return p.Object == nil
|
|
}
|
|
|
|
// IsNil is predicate to filter out nil csi volume
|
|
// instances
|
|
func IsNil() Predicate {
|
|
return func(p *ZFSVolume) bool {
|
|
return p.IsNil()
|
|
}
|
|
}
|
|
|
|
// GetAPIObject returns csi volume's API instance
|
|
func (p *ZFSVolume) GetAPIObject() *apis.ZFSVolume {
|
|
return p.Object
|
|
}
|