155 lines
3.8 KiB
Go
155 lines
3.8 KiB
Go
/*
|
|
Copyright 2017 Heptio Inc.
|
|
|
|
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 gcp
|
|
|
|
import (
|
|
"strings"
|
|
"time"
|
|
|
|
uuid "github.com/satori/go.uuid"
|
|
"google.golang.org/api/compute/v0.beta"
|
|
|
|
"k8s.io/apimachinery/pkg/util/wait"
|
|
|
|
"github.com/heptio/ark/pkg/cloudprovider"
|
|
)
|
|
|
|
type blockStorageAdapter struct {
|
|
gce *compute.Service
|
|
project string
|
|
zone string
|
|
}
|
|
|
|
var _ cloudprovider.BlockStorageAdapter = &blockStorageAdapter{}
|
|
|
|
func (op *blockStorageAdapter) CreateVolumeFromSnapshot(snapshotID string, volumeType string, iops *int) (volumeID string, err error) {
|
|
res, err := op.gce.Snapshots.Get(op.project, snapshotID).Do()
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
|
|
disk := &compute.Disk{
|
|
Name: "restore-" + uuid.NewV4().String(),
|
|
SourceSnapshot: res.SelfLink,
|
|
Type: volumeType,
|
|
}
|
|
|
|
if _, err = op.gce.Disks.Insert(op.project, op.zone, disk).Do(); err != nil {
|
|
return "", err
|
|
}
|
|
|
|
return disk.Name, nil
|
|
}
|
|
|
|
func (op *blockStorageAdapter) GetVolumeInfo(volumeID string) (string, *int, error) {
|
|
res, err := op.gce.Disks.Get(op.project, op.zone, volumeID).Do()
|
|
if err != nil {
|
|
return "", nil, err
|
|
}
|
|
|
|
return res.Type, nil, nil
|
|
}
|
|
|
|
func (op *blockStorageAdapter) IsVolumeReady(volumeID string) (ready bool, err error) {
|
|
disk, err := op.gce.Disks.Get(op.project, op.zone, volumeID).Do()
|
|
if err != nil {
|
|
return false, err
|
|
}
|
|
|
|
// TODO can we consider a disk ready while it's in the RESTORING state?
|
|
return disk.Status == "READY", nil
|
|
}
|
|
|
|
func (op *blockStorageAdapter) ListSnapshots(tagFilters map[string]string) ([]string, error) {
|
|
useParentheses := len(tagFilters) > 1
|
|
subFilters := make([]string, 0, len(tagFilters))
|
|
|
|
for k, v := range tagFilters {
|
|
fs := k + " eq " + v
|
|
if useParentheses {
|
|
fs = "(" + fs + ")"
|
|
}
|
|
subFilters = append(subFilters, fs)
|
|
}
|
|
|
|
filter := strings.Join(subFilters, " ")
|
|
|
|
res, err := op.gce.Snapshots.List(op.project).Filter(filter).Do()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
ret := make([]string, 0, len(res.Items))
|
|
for _, snap := range res.Items {
|
|
ret = append(ret, snap.Name)
|
|
}
|
|
|
|
return ret, nil
|
|
}
|
|
|
|
func (op *blockStorageAdapter) CreateSnapshot(volumeID string, tags map[string]string) (string, error) {
|
|
// snapshot names must adhere to RFC1035 and be 1-63 characters
|
|
// long
|
|
var snapshotName string
|
|
suffix := "-" + uuid.NewV4().String()
|
|
|
|
if len(volumeID) <= (63 - len(suffix)) {
|
|
snapshotName = volumeID + suffix
|
|
} else {
|
|
snapshotName = volumeID[0:63-len(suffix)] + suffix
|
|
}
|
|
|
|
gceSnap := compute.Snapshot{
|
|
Name: snapshotName,
|
|
}
|
|
|
|
_, err := op.gce.Disks.CreateSnapshot(op.project, op.zone, volumeID, &gceSnap).Do()
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
|
|
// the snapshot is not immediately available after creation for putting labels
|
|
// on it. poll for a period of time.
|
|
if pollErr := wait.Poll(1*time.Second, 30*time.Second, func() (bool, error) {
|
|
if res, err := op.gce.Snapshots.Get(op.project, gceSnap.Name).Do(); err == nil {
|
|
gceSnap = *res
|
|
return true, nil
|
|
}
|
|
return false, nil
|
|
}); pollErr != nil {
|
|
return "", err
|
|
}
|
|
|
|
labels := &compute.GlobalSetLabelsRequest{
|
|
Labels: tags,
|
|
LabelFingerprint: gceSnap.LabelFingerprint,
|
|
}
|
|
|
|
_, err = op.gce.Snapshots.SetLabels(op.project, gceSnap.Name, labels).Do()
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
|
|
return gceSnap.Name, nil
|
|
}
|
|
|
|
func (op *blockStorageAdapter) DeleteSnapshot(snapshotID string) error {
|
|
_, err := op.gce.Snapshots.Delete(op.project, snapshotID).Do()
|
|
|
|
return err
|
|
}
|