mirror of
https://github.com/etcd-io/etcd.git
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37 lines
1.1 KiB
Go
37 lines
1.1 KiB
Go
// Copyright 2021 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 membership
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import (
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"go.etcd.io/etcd/server/v3/etcdserver/api/v2store"
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)
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// IsMetaStoreOnly verifies if the given `store` contains only
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// a meta-information (members, version) that can be recovered from the
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// backend (storev3) as well as opposed to user-data.
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func IsMetaStoreOnly(store v2store.Store) (bool, error) {
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event, err := store.Get("/", true, false)
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if err != nil {
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return false, err
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}
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for _, n := range event.Node.Nodes {
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if n.Key != storePrefix && n.Nodes.Len() > 0 {
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return false, nil
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}
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}
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return true, nil
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}
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