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e62417297d
% find -name '*.go' -o -name '*.md' -o -name '*.sh' | xargs sed -i --follow-symlinks 's|etcd/v3/raft|etcd/raft/v3|g'
55 lines
1.5 KiB
Go
55 lines
1.5 KiB
Go
// Copyright 2019 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 rafttest
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import (
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"fmt"
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"math"
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"testing"
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"github.com/cockroachdb/datadriven"
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"go.etcd.io/etcd/raft/v3"
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)
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func (env *InteractionEnv) handleRaftLog(t *testing.T, d datadriven.TestData) error {
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idx := firstAsNodeIdx(t, d)
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return env.RaftLog(idx)
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}
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// RaftLog pretty prints the raft log to the output buffer.
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func (env *InteractionEnv) RaftLog(idx int) error {
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s := env.Nodes[idx].Storage
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fi, err := s.FirstIndex()
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if err != nil {
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return err
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}
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li, err := s.LastIndex()
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if err != nil {
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return err
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}
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if li < fi {
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// TODO(tbg): this is what MemoryStorage returns, but unclear if it's
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// the "correct" thing to do.
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fmt.Fprintf(env.Output, "log is empty: first index=%d, last index=%d", fi, li)
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return nil
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}
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ents, err := s.Entries(fi, li+1, math.MaxUint64)
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if err != nil {
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return err
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}
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env.Output.WriteString(raft.DescribeEntries(ents, defaultEntryFormatter))
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return err
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}
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