101602ab11
Gluster provisioner is interested in pvc.Namespace and I don't want to add at as a new field in VolumeOptions - it would contain almost whole PVC. Let's pass direct reference to PVC instead and let the provisioner to pick information it is interested in.
106 lines
2.7 KiB
Go
106 lines
2.7 KiB
Go
/*
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Copyright 2015 The Kubernetes 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 flocker
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import (
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"fmt"
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"k8s.io/kubernetes/pkg/api"
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"k8s.io/kubernetes/pkg/api/resource"
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"k8s.io/kubernetes/pkg/volume"
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)
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type volumeManager interface {
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// Creates a volume
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CreateVolume(provisioner *flockerVolumeProvisioner) (datasetUUID string, volumeSizeGB int, labels map[string]string, err error)
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// Deletes a volume
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DeleteVolume(deleter *flockerVolumeDeleter) error
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}
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type flockerVolumeDeleter struct {
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*flockerVolume
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}
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var _ volume.Deleter = &flockerVolumeDeleter{}
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func (b *flockerVolumeDeleter) GetPath() string {
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return getPath(b.podUID, b.volName, b.plugin.host)
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}
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func (d *flockerVolumeDeleter) Delete() error {
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return d.manager.DeleteVolume(d)
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}
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type flockerVolumeProvisioner struct {
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*flockerVolume
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options volume.VolumeOptions
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}
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var _ volume.Provisioner = &flockerVolumeProvisioner{}
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func (c *flockerVolumeProvisioner) Provision() (*api.PersistentVolume, error) {
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if len(c.options.Parameters) > 0 {
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return nil, fmt.Errorf("Provisioning failed: Specified at least one unsupported parameter")
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}
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if c.options.PVC.Spec.Selector != nil {
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return nil, fmt.Errorf("Provisioning failed: Specified unsupported selector")
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}
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datasetUUID, sizeGB, labels, err := c.manager.CreateVolume(c)
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if err != nil {
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return nil, err
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}
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pv := &api.PersistentVolume{
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ObjectMeta: api.ObjectMeta{
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Name: c.options.PVName,
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Labels: map[string]string{},
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Annotations: map[string]string{
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"kubernetes.io/createdby": "flocker-dynamic-provisioner",
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},
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},
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Spec: api.PersistentVolumeSpec{
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PersistentVolumeReclaimPolicy: c.options.PersistentVolumeReclaimPolicy,
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AccessModes: c.options.PVC.Spec.AccessModes,
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Capacity: api.ResourceList{
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api.ResourceName(api.ResourceStorage): resource.MustParse(fmt.Sprintf("%dGi", sizeGB)),
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},
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PersistentVolumeSource: api.PersistentVolumeSource{
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Flocker: &api.FlockerVolumeSource{
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DatasetUUID: datasetUUID,
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},
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},
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},
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}
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if len(c.options.PVC.Spec.AccessModes) == 0 {
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pv.Spec.AccessModes = c.plugin.GetAccessModes()
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}
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if len(labels) != 0 {
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if pv.Labels == nil {
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pv.Labels = make(map[string]string)
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}
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for k, v := range labels {
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pv.Labels[k] = v
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}
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}
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return pv, nil
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}
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