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4d4c84e014
This will (among others) allow etcd-3.6 to not depend on store_v2 .snap files at all, as WAL + db file will be self-sufficient.
42 lines
1.2 KiB
Go
42 lines
1.2 KiB
Go
// Copyright 2015 The etcd Authors
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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package walpb
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import "errors"
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var (
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ErrCRCMismatch = errors.New("walpb: crc mismatch")
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)
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func (rec *Record) Validate(crc uint32) error {
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if rec.Crc == crc {
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return nil
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}
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rec.Reset()
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return ErrCRCMismatch
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}
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// ValidateSnapshotForWrite ensures the Snapshot the newly written snapshot is valid.
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//
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// There might exist log-entries written by old etcd versions that does not conform
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// to the requirements.
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func ValidateSnapshotForWrite(e *Snapshot) error {
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// Since etcd>=3.5.0
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if e.ConfState == nil && e.Index > 0 {
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return errors.New("Saved (not-initial) snapshot is missing ConfState: " + e.String())
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}
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return nil
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}
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