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1. Maintenance API MoveLeader() returns ErrBadLeaderTransferee if transferee does not exist or is raft learner. 2. etcdserver TransferLeadership() only choose voting member as transferee.
51 lines
2.3 KiB
Go
51 lines
2.3 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 etcdserver
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import (
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"errors"
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"fmt"
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)
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var (
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ErrUnknownMethod = errors.New("etcdserver: unknown method")
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ErrStopped = errors.New("etcdserver: server stopped")
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ErrCanceled = errors.New("etcdserver: request cancelled")
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ErrTimeout = errors.New("etcdserver: request timed out")
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ErrTimeoutDueToLeaderFail = errors.New("etcdserver: request timed out, possibly due to previous leader failure")
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ErrTimeoutDueToConnectionLost = errors.New("etcdserver: request timed out, possibly due to connection lost")
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ErrTimeoutLeaderTransfer = errors.New("etcdserver: request timed out, leader transfer took too long")
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ErrLeaderChanged = errors.New("etcdserver: leader changed")
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ErrNotEnoughStartedMembers = errors.New("etcdserver: re-configuration failed due to not enough started members")
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ErrNoLeader = errors.New("etcdserver: no leader")
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ErrNotLeader = errors.New("etcdserver: not leader")
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ErrRequestTooLarge = errors.New("etcdserver: request is too large")
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ErrNoSpace = errors.New("etcdserver: no space")
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ErrTooManyRequests = errors.New("etcdserver: too many requests")
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ErrUnhealthy = errors.New("etcdserver: unhealthy cluster")
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ErrKeyNotFound = errors.New("etcdserver: key not found")
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ErrCorrupt = errors.New("etcdserver: corrupt cluster")
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ErrBadLeaderTransferee = errors.New("etcdserver: bad leader transferee")
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)
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type DiscoveryError struct {
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Op string
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Err error
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}
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func (e DiscoveryError) Error() string {
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return fmt.Sprintf("failed to %s discovery cluster (%v)", e.Op, e.Err)
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}
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