mirror of
https://github.com/TECHNOFAB11/zfs-localpv.git
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This PR adds support to allow the CSI driver to pick up a node matching the topology specified in the storage class. Admin can specify allowedTopologies in the StorageClass to specify the nodes where the zfs pools are setup
```yaml
apiVersion: storage.k8s.io/v1
kind: StorageClass
metadata:
name: openebs-zfspv
allowVolumeExpansion: true
parameters:
blocksize: "4k"
compression: "on"
dedup: "on"
thinprovision: "yes"
poolname: "zfspv-pool"
provisioner: zfs-localpv
volumeBindingMode: WaitForFirstConsumer
allowedTopologies:
- matchLabelExpressions:
- key: kubernetes.io/hostname
values:
- gke-zfspv-pawan-default-pool-c8929518-cgd4
- gke-zfspv-pawan-default-pool-c8929518-dxzc
```
Note: This PR picks up the first node from the list of nodes available.
Signed-off-by: Pawan <pawan@mayadata.io>
72 lines
2.2 KiB
Go
72 lines
2.2 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 v1alpha1
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import (
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"github.com/container-storage-interface/spec/lib/go/csi"
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)
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// CreateVolumeResponseBuilder helps building an
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// instance of csi CreateVolumeResponse
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type CreateVolumeResponseBuilder struct {
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response *csi.CreateVolumeResponse
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}
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// NewCreateVolumeResponseBuilder returns a new
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// instance of CreateVolumeResponseBuilder
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func NewCreateVolumeResponseBuilder() *CreateVolumeResponseBuilder {
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return &CreateVolumeResponseBuilder{
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response: &csi.CreateVolumeResponse{
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Volume: &csi.Volume{},
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},
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}
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}
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// WithName sets the name against the
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// CreateVolumeResponse instance
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func (b *CreateVolumeResponseBuilder) WithName(name string) *CreateVolumeResponseBuilder {
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b.response.Volume.VolumeId = name
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return b
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}
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// WithName sets the capacity against the
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// CreateVolumeResponse instance
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func (b *CreateVolumeResponseBuilder) WithCapacity(capacity int64) *CreateVolumeResponseBuilder {
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b.response.Volume.CapacityBytes = capacity
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return b
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}
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// WithContext sets the context against the
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// CreateVolumeResponse instance
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func (b *CreateVolumeResponseBuilder) WithContext(ctx map[string]string) *CreateVolumeResponseBuilder {
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b.response.Volume.VolumeContext = ctx
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return b
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}
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// WithTopology sets the topology for the
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// CreateVolumeResponse instance
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func (b *CreateVolumeResponseBuilder) WithTopology(topology map[string]string) *CreateVolumeResponseBuilder {
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b.response.Volume.AccessibleTopology = make([]*csi.Topology, 1)
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b.response.Volume.AccessibleTopology[0] = &csi.Topology{Segments: topology}
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return b
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}
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// Build returns the constructed instance
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// of csi CreateVolumeResponse
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func (b *CreateVolumeResponseBuilder) Build() *csi.CreateVolumeResponse {
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return b.response
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}
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