mirror of https://github.com/kubernetes/kops.git
134 lines
3.7 KiB
Go
134 lines
3.7 KiB
Go
/*
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Copyright 2019 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 openstack
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import (
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"fmt"
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cinder "github.com/gophercloud/gophercloud/openstack/blockstorage/v3/volumes"
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"github.com/gophercloud/gophercloud/openstack/compute/v2/extensions/volumeattach"
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"k8s.io/apimachinery/pkg/util/wait"
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"k8s.io/klog"
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"k8s.io/kops/util/pkg/vfs"
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)
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func (c *openstackCloud) ListVolumes(opt cinder.ListOptsBuilder) ([]cinder.Volume, error) {
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var volumes []cinder.Volume
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done, err := vfs.RetryWithBackoff(readBackoff, func() (bool, error) {
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allPages, err := cinder.List(c.BlockStorageClient(), opt).AllPages()
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if err != nil {
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return false, fmt.Errorf("error listing volumes %v: %v", opt, err)
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}
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vs, err := cinder.ExtractVolumes(allPages)
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if err != nil {
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return false, fmt.Errorf("error extracting volumes from pages: %v", err)
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}
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volumes = vs
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return true, nil
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})
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if err != nil {
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return volumes, err
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} else if done {
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return volumes, nil
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} else {
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return volumes, wait.ErrWaitTimeout
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}
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}
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func (c *openstackCloud) CreateVolume(opt cinder.CreateOptsBuilder) (*cinder.Volume, error) {
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var volume *cinder.Volume
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done, err := vfs.RetryWithBackoff(writeBackoff, func() (bool, error) {
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v, err := cinder.Create(c.BlockStorageClient(), opt).Extract()
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if err != nil {
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return false, fmt.Errorf("error creating volume %v: %v", opt, err)
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}
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volume = v
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return true, nil
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})
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if err != nil {
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return volume, err
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} else if done {
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return volume, nil
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} else {
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return volume, wait.ErrWaitTimeout
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}
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}
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func (c *openstackCloud) AttachVolume(serverID string, opts volumeattach.CreateOpts) (attachment *volumeattach.VolumeAttachment, err error) {
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done, err := vfs.RetryWithBackoff(writeBackoff, func() (bool, error) {
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volumeAttachment, err := volumeattach.Create(c.ComputeClient(), serverID, opts).Extract()
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if err != nil {
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return false, fmt.Errorf("error attaching volume %s to server %s: %v", opts.VolumeID, serverID, err)
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}
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attachment = volumeAttachment
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return true, nil
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})
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if !done {
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if err == nil {
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err = wait.ErrWaitTimeout
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}
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return attachment, err
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}
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return attachment, err
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}
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func (c *openstackCloud) SetVolumeTags(id string, tags map[string]string) error {
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if len(tags) == 0 {
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return nil
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}
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if id == "" {
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return fmt.Errorf("error setting tags to unknown volume")
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}
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klog.V(4).Infof("setting tags to cinder volume %q: %v", id, tags)
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opt := cinder.UpdateOpts{Metadata: tags}
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done, err := vfs.RetryWithBackoff(writeBackoff, func() (bool, error) {
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_, err := cinder.Update(c.BlockStorageClient(), id, opt).Extract()
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if err != nil {
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return false, fmt.Errorf("error setting tags to cinder volume %q: %v", id, err)
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}
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return true, nil
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})
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if err != nil {
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return err
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} else if done {
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return nil
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} else {
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return wait.ErrWaitTimeout
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}
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}
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func (c *openstackCloud) DeleteVolume(volumeID string) error {
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done, err := vfs.RetryWithBackoff(writeBackoff, func() (bool, error) {
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err := cinder.Delete(c.BlockStorageClient(), volumeID, cinder.DeleteOpts{}).ExtractErr()
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if err != nil && !isNotFound(err) {
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return false, fmt.Errorf("error deleting volume: %v", err)
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}
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return true, nil
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})
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if err != nil {
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return err
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} else if done {
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return nil
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} else {
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return wait.ErrWaitTimeout
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}
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}
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