mirror of
https://github.com/etcd-io/etcd.git
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58 lines
1.6 KiB
Go
58 lines
1.6 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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"path"
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"github.com/coreos/go-semver/semver"
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"go.uber.org/zap"
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"go.etcd.io/etcd/client/pkg/v3/types"
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"go.etcd.io/etcd/server/v3/etcdserver/version"
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)
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type MembershipBackend interface {
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ClusterVersionBackend
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MemberBackend
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DowngradeInfoBackend
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MustCreateBackendBuckets()
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}
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type ClusterVersionBackend interface {
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ClusterVersionFromBackend() *semver.Version
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MustSaveClusterVersionToBackend(version *semver.Version)
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}
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type MemberBackend interface {
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MustReadMembersFromBackend() (map[types.ID]*Member, map[types.ID]bool)
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MustSaveMemberToBackend(*Member)
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TrimMembershipFromBackend() error
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MustDeleteMemberFromBackend(types.ID)
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}
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type DowngradeInfoBackend interface {
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MustSaveDowngradeToBackend(*version.DowngradeInfo)
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DowngradeInfoFromBackend() *version.DowngradeInfo
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}
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func MustParseMemberIDFromKey(lg *zap.Logger, key string) types.ID {
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id, err := types.IDFromString(path.Base(key))
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if err != nil {
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lg.Panic("failed to parse member id from key", zap.Error(err))
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}
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return id
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}
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