mirror of
https://github.com/vmware-tanzu/velero.git
synced 2026-09-13 03:24:39 +00:00
101 lines
2.5 KiB
Go
101 lines
2.5 KiB
Go
/*
|
|
Copyright The Velero Contributors.
|
|
|
|
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 cbt
|
|
|
|
import (
|
|
"context"
|
|
|
|
"github.com/cockroachdb/errors"
|
|
|
|
"github.com/vmware-tanzu/velero/pkg/cbtservice"
|
|
"github.com/vmware-tanzu/velero/pkg/uploader/cbt/types"
|
|
)
|
|
|
|
// SetBitmapOrFull translates the allocated/changed blocks from CBT service to the given bitmap or set the bitmap to full when error happens
|
|
func SetBitmapOrFull(ctx context.Context, service cbtservice.Service, bitmap types.Bitmap, incOnly bool) (ret error) {
|
|
setFull := false
|
|
|
|
defer func() {
|
|
bitmap.SetError(ret)
|
|
|
|
if setFull {
|
|
bitmap.SetFull()
|
|
}
|
|
}()
|
|
|
|
if service == nil {
|
|
setFull = true
|
|
return errors.New("CBT service is absent, fallback to real full")
|
|
}
|
|
|
|
if bitmap.Snapshot() == "" {
|
|
setFull = true
|
|
return errors.New("invalid snapshot, fallback to real full")
|
|
}
|
|
|
|
if incOnly && bitmap.ChangeID() == "" {
|
|
setFull = true
|
|
return errors.New("invalid changeID, fallback to real full")
|
|
}
|
|
|
|
var changedErr error
|
|
if bitmap.ChangeID() != "" {
|
|
err := service.GetChangedBlocks(ctx, bitmap.Snapshot(), bitmap.ChangeID(), func(blocks []cbtservice.Range) error {
|
|
for _, b := range blocks {
|
|
bitmap.Set(b.Offset, b.Length)
|
|
}
|
|
|
|
return nil
|
|
})
|
|
|
|
if err == nil {
|
|
return nil
|
|
}
|
|
|
|
if incOnly {
|
|
setFull = true
|
|
return errors.Wrap(err, "error getting changed blocks from CBT service, fallback to real full")
|
|
}
|
|
|
|
changedErr = err
|
|
}
|
|
|
|
err := service.GetAllocatedBlocks(ctx, bitmap.Snapshot(), func(blocks []cbtservice.Range) error {
|
|
for _, b := range blocks {
|
|
bitmap.Set(b.Offset, b.Length)
|
|
}
|
|
|
|
return nil
|
|
})
|
|
|
|
if err != nil {
|
|
setFull = true
|
|
|
|
if changedErr != nil {
|
|
return errors.Wrap(err, "error getting both changed and allocated blocks from CBT service, fallback to real full")
|
|
} else {
|
|
return errors.Wrap(err, "error getting allocated blocks from CBT service, fallback to real full")
|
|
}
|
|
}
|
|
|
|
if changedErr != nil {
|
|
return errors.Wrap(changedErr, "error getting changed blocks from CBT service, fallback to full")
|
|
}
|
|
|
|
return nil
|
|
}
|