mirror of
https://github.com/TECHNOFAB11/zfs-localpv.git
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139 lines
3.3 KiB
Go
139 lines
3.3 KiB
Go
/*
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Copyright 2019 The OpenEBS Authors
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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*/
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package k8svolume
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import (
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"github.com/openebs/lib-csi/pkg/common/errors"
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corev1 "k8s.io/api/core/v1"
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)
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// Builder is the builder object for Volume
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type Builder struct {
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volume *Volume
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errs []error
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}
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// NewBuilder returns new instance of Builder
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func NewBuilder() *Builder {
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return &Builder{volume: &Volume{object: &corev1.Volume{}}}
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}
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// WithName sets the Name field of Volume with provided value.
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func (b *Builder) WithName(name string) *Builder {
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if len(name) == 0 {
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b.errs = append(
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b.errs,
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errors.New("failed to build Volume object: missing Volume name"),
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)
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return b
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}
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b.volume.object.Name = name
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return b
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}
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// WithHostDirectory sets the VolumeSource field of Volume with provided hostpath
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// as type directory.
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func (b *Builder) WithHostDirectory(path string) *Builder {
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if len(path) == 0 {
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b.errs = append(
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b.errs,
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errors.New("failed to build volume object: missing volume path"),
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)
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return b
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}
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volumeSource := corev1.VolumeSource{
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HostPath: &corev1.HostPathVolumeSource{
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Path: path,
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},
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}
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b.volume.object.VolumeSource = volumeSource
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return b
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}
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// WithHostPathAndType sets the VolumeSource field of Volume with provided
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// hostpath as directory path and type as directory type
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func (b *Builder) WithHostPathAndType(
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dirpath string,
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dirtype *corev1.HostPathType,
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) *Builder {
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if dirtype == nil {
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b.errs = append(
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b.errs,
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errors.New("failed to build volume object: nil volume type"),
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)
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return b
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}
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if len(dirpath) == 0 {
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b.errs = append(
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b.errs,
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errors.New("failed to build volume object: missing volume path"),
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)
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return b
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}
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newdirtype := *dirtype
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volumeSource := corev1.VolumeSource{
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HostPath: &corev1.HostPathVolumeSource{
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Path: dirpath,
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Type: &newdirtype,
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},
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}
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b.volume.object.VolumeSource = volumeSource
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return b
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}
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// WithPVCSource sets the Volume field of Volume with provided pvc
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func (b *Builder) WithPVCSource(pvcName string) *Builder {
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if len(pvcName) == 0 {
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b.errs = append(
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b.errs,
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errors.New("failed to build volume object: missing pvc name"),
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)
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return b
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}
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volumeSource := corev1.VolumeSource{
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PersistentVolumeClaim: &corev1.PersistentVolumeClaimVolumeSource{
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ClaimName: pvcName,
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},
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}
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b.volume.object.VolumeSource = volumeSource
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return b
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}
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// WithEmptyDir sets the EmptyDir field of the Volume with provided dir
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func (b *Builder) WithEmptyDir(dir *corev1.EmptyDirVolumeSource) *Builder {
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if dir == nil {
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b.errs = append(
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b.errs,
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errors.New("failed to build volume object: nil dir"),
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)
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return b
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}
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newdir := *dir
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b.volume.object.EmptyDir = &newdir
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return b
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}
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// Build returns the Volume API instance
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func (b *Builder) Build() (*corev1.Volume, error) {
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if len(b.errs) > 0 {
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return nil, errors.Errorf("%+v", b.errs)
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}
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return b.volume.object, nil
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}
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