mirror of
https://github.com/etcd-io/etcd.git
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939aa96a34
Before this PR, the log is ``` 2015/09/1 13:18:31 etcdmain: client: etcd cluster is unavailable or misconfigured ``` It is quite hard for people to understand what happens. Now we print out the exact reason for the failure, and explains the way to handle it.
56 lines
2.0 KiB
Go
56 lines
2.0 KiB
Go
// Copyright 2015 CoreOS, Inc.
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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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etcdErr "github.com/coreos/etcd/error"
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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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ErrIDRemoved = errors.New("etcdserver: ID removed")
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ErrIDExists = errors.New("etcdserver: ID exists")
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ErrIDNotFound = errors.New("etcdserver: ID not found")
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ErrPeerURLexists = errors.New("etcdserver: peerURL exists")
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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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ErrNotEnoughStartedMembers = errors.New("etcdserver: re-configuration failed due to not enough started members")
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)
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func isKeyNotFound(err error) bool {
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e, ok := err.(*etcdErr.Error)
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return ok && e.ErrorCode == etcdErr.EcodeKeyNotFound
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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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func IsDiscoveryError(err error) bool {
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_, ok := err.(*discoveryError)
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return ok
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}
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