forked from mystiq/dex
b410622885
This change vendors github.com/coreos/etcd related packages to support etcd storage implementation.
190 lines
10 KiB
Go
190 lines
10 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 rpctypes
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import (
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"google.golang.org/grpc"
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"google.golang.org/grpc/codes"
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)
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var (
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// server-side error
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ErrGRPCEmptyKey = grpc.Errorf(codes.InvalidArgument, "etcdserver: key is not provided")
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ErrGRPCKeyNotFound = grpc.Errorf(codes.InvalidArgument, "etcdserver: key not found")
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ErrGRPCValueProvided = grpc.Errorf(codes.InvalidArgument, "etcdserver: value is provided")
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ErrGRPCLeaseProvided = grpc.Errorf(codes.InvalidArgument, "etcdserver: lease is provided")
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ErrGRPCTooManyOps = grpc.Errorf(codes.InvalidArgument, "etcdserver: too many operations in txn request")
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ErrGRPCDuplicateKey = grpc.Errorf(codes.InvalidArgument, "etcdserver: duplicate key given in txn request")
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ErrGRPCCompacted = grpc.Errorf(codes.OutOfRange, "etcdserver: mvcc: required revision has been compacted")
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ErrGRPCFutureRev = grpc.Errorf(codes.OutOfRange, "etcdserver: mvcc: required revision is a future revision")
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ErrGRPCNoSpace = grpc.Errorf(codes.ResourceExhausted, "etcdserver: mvcc: database space exceeded")
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ErrGRPCLeaseNotFound = grpc.Errorf(codes.NotFound, "etcdserver: requested lease not found")
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ErrGRPCLeaseExist = grpc.Errorf(codes.FailedPrecondition, "etcdserver: lease already exists")
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ErrGRPCMemberExist = grpc.Errorf(codes.FailedPrecondition, "etcdserver: member ID already exist")
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ErrGRPCPeerURLExist = grpc.Errorf(codes.FailedPrecondition, "etcdserver: Peer URLs already exists")
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ErrGRPCMemberNotEnoughStarted = grpc.Errorf(codes.FailedPrecondition, "etcdserver: re-configuration failed due to not enough started members")
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ErrGRPCMemberBadURLs = grpc.Errorf(codes.InvalidArgument, "etcdserver: given member URLs are invalid")
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ErrGRPCMemberNotFound = grpc.Errorf(codes.NotFound, "etcdserver: member not found")
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ErrGRPCRequestTooLarge = grpc.Errorf(codes.InvalidArgument, "etcdserver: request is too large")
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ErrGRPCRequestTooManyRequests = grpc.Errorf(codes.ResourceExhausted, "etcdserver: too many requests")
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ErrGRPCRootUserNotExist = grpc.Errorf(codes.FailedPrecondition, "etcdserver: root user does not exist")
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ErrGRPCRootRoleNotExist = grpc.Errorf(codes.FailedPrecondition, "etcdserver: root user does not have root role")
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ErrGRPCUserAlreadyExist = grpc.Errorf(codes.FailedPrecondition, "etcdserver: user name already exists")
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ErrGRPCUserEmpty = grpc.Errorf(codes.InvalidArgument, "etcdserver: user name is empty")
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ErrGRPCUserNotFound = grpc.Errorf(codes.FailedPrecondition, "etcdserver: user name not found")
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ErrGRPCRoleAlreadyExist = grpc.Errorf(codes.FailedPrecondition, "etcdserver: role name already exists")
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ErrGRPCRoleNotFound = grpc.Errorf(codes.FailedPrecondition, "etcdserver: role name not found")
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ErrGRPCAuthFailed = grpc.Errorf(codes.InvalidArgument, "etcdserver: authentication failed, invalid user ID or password")
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ErrGRPCPermissionDenied = grpc.Errorf(codes.PermissionDenied, "etcdserver: permission denied")
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ErrGRPCRoleNotGranted = grpc.Errorf(codes.FailedPrecondition, "etcdserver: role is not granted to the user")
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ErrGRPCPermissionNotGranted = grpc.Errorf(codes.FailedPrecondition, "etcdserver: permission is not granted to the role")
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ErrGRPCAuthNotEnabled = grpc.Errorf(codes.FailedPrecondition, "etcdserver: authentication is not enabled")
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ErrGRPCInvalidAuthToken = grpc.Errorf(codes.Unauthenticated, "etcdserver: invalid auth token")
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ErrGRPCInvalidAuthMgmt = grpc.Errorf(codes.InvalidArgument, "etcdserver: invalid auth management")
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ErrGRPCNoLeader = grpc.Errorf(codes.Unavailable, "etcdserver: no leader")
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ErrGRPCNotCapable = grpc.Errorf(codes.Unavailable, "etcdserver: not capable")
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ErrGRPCStopped = grpc.Errorf(codes.Unavailable, "etcdserver: server stopped")
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ErrGRPCTimeout = grpc.Errorf(codes.Unavailable, "etcdserver: request timed out")
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ErrGRPCTimeoutDueToLeaderFail = grpc.Errorf(codes.Unavailable, "etcdserver: request timed out, possibly due to previous leader failure")
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ErrGRPCTimeoutDueToConnectionLost = grpc.Errorf(codes.Unavailable, "etcdserver: request timed out, possibly due to connection lost")
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ErrGRPCUnhealthy = grpc.Errorf(codes.Unavailable, "etcdserver: unhealthy cluster")
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errStringToError = map[string]error{
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grpc.ErrorDesc(ErrGRPCEmptyKey): ErrGRPCEmptyKey,
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grpc.ErrorDesc(ErrGRPCKeyNotFound): ErrGRPCKeyNotFound,
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grpc.ErrorDesc(ErrGRPCValueProvided): ErrGRPCValueProvided,
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grpc.ErrorDesc(ErrGRPCLeaseProvided): ErrGRPCLeaseProvided,
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grpc.ErrorDesc(ErrGRPCTooManyOps): ErrGRPCTooManyOps,
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grpc.ErrorDesc(ErrGRPCDuplicateKey): ErrGRPCDuplicateKey,
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grpc.ErrorDesc(ErrGRPCCompacted): ErrGRPCCompacted,
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grpc.ErrorDesc(ErrGRPCFutureRev): ErrGRPCFutureRev,
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grpc.ErrorDesc(ErrGRPCNoSpace): ErrGRPCNoSpace,
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grpc.ErrorDesc(ErrGRPCLeaseNotFound): ErrGRPCLeaseNotFound,
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grpc.ErrorDesc(ErrGRPCLeaseExist): ErrGRPCLeaseExist,
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grpc.ErrorDesc(ErrGRPCMemberExist): ErrGRPCMemberExist,
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grpc.ErrorDesc(ErrGRPCPeerURLExist): ErrGRPCPeerURLExist,
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grpc.ErrorDesc(ErrGRPCMemberNotEnoughStarted): ErrGRPCMemberNotEnoughStarted,
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grpc.ErrorDesc(ErrGRPCMemberBadURLs): ErrGRPCMemberBadURLs,
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grpc.ErrorDesc(ErrGRPCMemberNotFound): ErrGRPCMemberNotFound,
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grpc.ErrorDesc(ErrGRPCRequestTooLarge): ErrGRPCRequestTooLarge,
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grpc.ErrorDesc(ErrGRPCRequestTooManyRequests): ErrGRPCRequestTooManyRequests,
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grpc.ErrorDesc(ErrGRPCRootUserNotExist): ErrGRPCRootUserNotExist,
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grpc.ErrorDesc(ErrGRPCRootRoleNotExist): ErrGRPCRootRoleNotExist,
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grpc.ErrorDesc(ErrGRPCUserAlreadyExist): ErrGRPCUserAlreadyExist,
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grpc.ErrorDesc(ErrGRPCUserEmpty): ErrGRPCUserEmpty,
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grpc.ErrorDesc(ErrGRPCUserNotFound): ErrGRPCUserNotFound,
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grpc.ErrorDesc(ErrGRPCRoleAlreadyExist): ErrGRPCRoleAlreadyExist,
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grpc.ErrorDesc(ErrGRPCRoleNotFound): ErrGRPCRoleNotFound,
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grpc.ErrorDesc(ErrGRPCAuthFailed): ErrGRPCAuthFailed,
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grpc.ErrorDesc(ErrGRPCPermissionDenied): ErrGRPCPermissionDenied,
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grpc.ErrorDesc(ErrGRPCRoleNotGranted): ErrGRPCRoleNotGranted,
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grpc.ErrorDesc(ErrGRPCPermissionNotGranted): ErrGRPCPermissionNotGranted,
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grpc.ErrorDesc(ErrGRPCAuthNotEnabled): ErrGRPCAuthNotEnabled,
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grpc.ErrorDesc(ErrGRPCInvalidAuthToken): ErrGRPCInvalidAuthToken,
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grpc.ErrorDesc(ErrGRPCInvalidAuthMgmt): ErrGRPCInvalidAuthMgmt,
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grpc.ErrorDesc(ErrGRPCNoLeader): ErrGRPCNoLeader,
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grpc.ErrorDesc(ErrGRPCNotCapable): ErrGRPCNotCapable,
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grpc.ErrorDesc(ErrGRPCStopped): ErrGRPCStopped,
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grpc.ErrorDesc(ErrGRPCTimeout): ErrGRPCTimeout,
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grpc.ErrorDesc(ErrGRPCTimeoutDueToLeaderFail): ErrGRPCTimeoutDueToLeaderFail,
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grpc.ErrorDesc(ErrGRPCTimeoutDueToConnectionLost): ErrGRPCTimeoutDueToConnectionLost,
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grpc.ErrorDesc(ErrGRPCUnhealthy): ErrGRPCUnhealthy,
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}
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// client-side error
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ErrEmptyKey = Error(ErrGRPCEmptyKey)
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ErrKeyNotFound = Error(ErrGRPCKeyNotFound)
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ErrValueProvided = Error(ErrGRPCValueProvided)
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ErrLeaseProvided = Error(ErrGRPCLeaseProvided)
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ErrTooManyOps = Error(ErrGRPCTooManyOps)
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ErrDuplicateKey = Error(ErrGRPCDuplicateKey)
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ErrCompacted = Error(ErrGRPCCompacted)
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ErrFutureRev = Error(ErrGRPCFutureRev)
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ErrNoSpace = Error(ErrGRPCNoSpace)
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ErrLeaseNotFound = Error(ErrGRPCLeaseNotFound)
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ErrLeaseExist = Error(ErrGRPCLeaseExist)
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ErrMemberExist = Error(ErrGRPCMemberExist)
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ErrPeerURLExist = Error(ErrGRPCPeerURLExist)
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ErrMemberNotEnoughStarted = Error(ErrGRPCMemberNotEnoughStarted)
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ErrMemberBadURLs = Error(ErrGRPCMemberBadURLs)
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ErrMemberNotFound = Error(ErrGRPCMemberNotFound)
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ErrRequestTooLarge = Error(ErrGRPCRequestTooLarge)
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ErrTooManyRequests = Error(ErrGRPCRequestTooManyRequests)
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ErrRootUserNotExist = Error(ErrGRPCRootUserNotExist)
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ErrRootRoleNotExist = Error(ErrGRPCRootRoleNotExist)
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ErrUserAlreadyExist = Error(ErrGRPCUserAlreadyExist)
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ErrUserEmpty = Error(ErrGRPCUserEmpty)
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ErrUserNotFound = Error(ErrGRPCUserNotFound)
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ErrRoleAlreadyExist = Error(ErrGRPCRoleAlreadyExist)
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ErrRoleNotFound = Error(ErrGRPCRoleNotFound)
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ErrAuthFailed = Error(ErrGRPCAuthFailed)
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ErrPermissionDenied = Error(ErrGRPCPermissionDenied)
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ErrRoleNotGranted = Error(ErrGRPCRoleNotGranted)
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ErrPermissionNotGranted = Error(ErrGRPCPermissionNotGranted)
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ErrAuthNotEnabled = Error(ErrGRPCAuthNotEnabled)
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ErrInvalidAuthToken = Error(ErrGRPCInvalidAuthToken)
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ErrInvalidAuthMgmt = Error(ErrGRPCInvalidAuthMgmt)
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ErrNoLeader = Error(ErrGRPCNoLeader)
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ErrNotCapable = Error(ErrGRPCNotCapable)
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ErrStopped = Error(ErrGRPCStopped)
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ErrTimeout = Error(ErrGRPCTimeout)
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ErrTimeoutDueToLeaderFail = Error(ErrGRPCTimeoutDueToLeaderFail)
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ErrTimeoutDueToConnectionLost = Error(ErrGRPCTimeoutDueToConnectionLost)
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ErrUnhealthy = Error(ErrGRPCUnhealthy)
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)
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// EtcdError defines gRPC server errors.
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// (https://github.com/grpc/grpc-go/blob/master/rpc_util.go#L319-L323)
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type EtcdError struct {
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code codes.Code
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desc string
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}
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// Code returns grpc/codes.Code.
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// TODO: define clientv3/codes.Code.
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func (e EtcdError) Code() codes.Code {
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return e.code
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}
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func (e EtcdError) Error() string {
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return e.desc
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}
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func Error(err error) error {
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if err == nil {
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return nil
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}
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verr, ok := errStringToError[grpc.ErrorDesc(err)]
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if !ok { // not gRPC error
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return err
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}
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return EtcdError{code: grpc.Code(verr), desc: grpc.ErrorDesc(verr)}
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}
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