1// Copyright 2015 The etcd Authors 2// 3// Licensed under the Apache License, Version 2.0 (the "License"); 4// you may not use this file except in compliance with the License. 5// You may obtain a copy of the License at 6// 7// http://www.apache.org/licenses/LICENSE-2.0 8// 9// Unless required by applicable law or agreed to in writing, software 10// distributed under the License is distributed on an "AS IS" BASIS, 11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12// See the License for the specific language governing permissions and 13// limitations under the License. 14 15package etcdserver 16 17import ( 18 "errors" 19 "fmt" 20) 21 22var ( 23 ErrUnknownMethod = errors.New("etcdserver: unknown method") 24 ErrStopped = errors.New("etcdserver: server stopped") 25 ErrCanceled = errors.New("etcdserver: request cancelled") 26 ErrTimeout = errors.New("etcdserver: request timed out") 27 ErrTimeoutDueToLeaderFail = errors.New("etcdserver: request timed out, possibly due to previous leader failure") 28 ErrTimeoutDueToConnectionLost = errors.New("etcdserver: request timed out, possibly due to connection lost") 29 ErrTimeoutLeaderTransfer = errors.New("etcdserver: request timed out, leader transfer took too long") 30 ErrLeaderChanged = errors.New("etcdserver: leader changed") 31 ErrNotEnoughStartedMembers = errors.New("etcdserver: re-configuration failed due to not enough started members") 32 ErrLearnerNotReady = errors.New("etcdserver: can only promote a learner member which is in sync with leader") 33 ErrNoLeader = errors.New("etcdserver: no leader") 34 ErrNotLeader = errors.New("etcdserver: not leader") 35 ErrRequestTooLarge = errors.New("etcdserver: request is too large") 36 ErrNoSpace = errors.New("etcdserver: no space") 37 ErrTooManyRequests = errors.New("etcdserver: too many requests") 38 ErrUnhealthy = errors.New("etcdserver: unhealthy cluster") 39 ErrKeyNotFound = errors.New("etcdserver: key not found") 40 ErrCorrupt = errors.New("etcdserver: corrupt cluster") 41 ErrBadLeaderTransferee = errors.New("etcdserver: bad leader transferee") 42) 43 44type DiscoveryError struct { 45 Op string 46 Err error 47} 48 49func (e DiscoveryError) Error() string { 50 return fmt.Sprintf("failed to %s discovery cluster (%v)", e.Op, e.Err) 51} 52