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etcdserver: define error string and link with grpc error code.

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This commit is contained in:
yoyinzyc 2020-05-15 11:51:39 -07:00
parent f1179fd70d
commit 37e598a20b
3 changed files with 48 additions and 19 deletions
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18
etcdserver/api/v3rpc/rpctypes/error.go
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@ -76,6 +76,12 @@ var (
ErrGPRCNotSupportedForLearner = status.New(codes.Unavailable, "etcdserver: rpc not supported for learner").Err() ErrGPRCNotSupportedForLearner = status.New(codes.Unavailable, "etcdserver: rpc not supported for learner").Err()
ErrGRPCBadLeaderTransferee = status.New(codes.FailedPrecondition, "etcdserver: bad leader transferee").Err() ErrGRPCBadLeaderTransferee = status.New(codes.FailedPrecondition, "etcdserver: bad leader transferee").Err()
ErrGRPCClusterVersionUnavailable = status.New(codes.Unavailable, "etcdserver: cluster version not found during downgrade").Err()
ErrGRPCWrongDowngradeVersionFormat = status.New(codes.InvalidArgument, "etcdserver: wrong downgrade target version format").Err()
ErrGRPCInvalidDowngradeTargetVersion = status.New(codes.InvalidArgument, "etcdserver: invalid downgrade target version").Err()
ErrGRPCDowngradeInProcess = status.New(codes.FailedPrecondition, "etcdserver: cluster has a downgrade job in progress").Err()
ErrGRPCNoInflightDowngrade = status.New(codes.FailedPrecondition, "etcdserver: no inflight downgrade job").Err()
errStringToError = map[string]error{ errStringToError = map[string]error{
ErrorDesc(ErrGRPCEmptyKey): ErrGRPCEmptyKey, ErrorDesc(ErrGRPCEmptyKey): ErrGRPCEmptyKey,
ErrorDesc(ErrGRPCKeyNotFound): ErrGRPCKeyNotFound, ErrorDesc(ErrGRPCKeyNotFound): ErrGRPCKeyNotFound,
@ -132,6 +138,12 @@ var (
ErrorDesc(ErrGRPCCorrupt): ErrGRPCCorrupt, ErrorDesc(ErrGRPCCorrupt): ErrGRPCCorrupt,
ErrorDesc(ErrGPRCNotSupportedForLearner): ErrGPRCNotSupportedForLearner, ErrorDesc(ErrGPRCNotSupportedForLearner): ErrGPRCNotSupportedForLearner,
ErrorDesc(ErrGRPCBadLeaderTransferee): ErrGRPCBadLeaderTransferee, ErrorDesc(ErrGRPCBadLeaderTransferee): ErrGRPCBadLeaderTransferee,
ErrorDesc(ErrGRPCClusterVersionUnavailable): ErrGRPCClusterVersionUnavailable,
ErrorDesc(ErrGRPCWrongDowngradeVersionFormat): ErrGRPCWrongDowngradeVersionFormat,
ErrorDesc(ErrGRPCInvalidDowngradeTargetVersion): ErrGRPCInvalidDowngradeTargetVersion,
ErrorDesc(ErrGRPCDowngradeInProcess): ErrGRPCDowngradeInProcess,
ErrorDesc(ErrGRPCNoInflightDowngrade): ErrGRPCNoInflightDowngrade,
} }
) )
@ -190,6 +202,12 @@ var (
ErrUnhealthy = Error(ErrGRPCUnhealthy) ErrUnhealthy = Error(ErrGRPCUnhealthy)
ErrCorrupt = Error(ErrGRPCCorrupt) ErrCorrupt = Error(ErrGRPCCorrupt)
ErrBadLeaderTransferee = Error(ErrGRPCBadLeaderTransferee) ErrBadLeaderTransferee = Error(ErrGRPCBadLeaderTransferee)
ErrClusterVersionUnavailable = Error(ErrGRPCClusterVersionUnavailable)
ErrWrongDowngradeVersionFormat = Error(ErrGRPCWrongDowngradeVersionFormat)
ErrInvalidDowngradeTargetVersion = Error(ErrGRPCInvalidDowngradeTargetVersion)
ErrDowngradeInProcess = Error(ErrGRPCDowngradeInProcess)
ErrNoInflightDowngrade = Error(ErrGRPCNoInflightDowngrade)
) )
// EtcdError defines gRPC server errors. // EtcdError defines gRPC server errors.

6
etcdserver/api/v3rpc/util.go
View File

@ -58,6 +58,12 @@ var toGRPCErrorMap = map[error]error{
etcdserver.ErrCorrupt: rpctypes.ErrGRPCCorrupt, etcdserver.ErrCorrupt: rpctypes.ErrGRPCCorrupt,
etcdserver.ErrBadLeaderTransferee: rpctypes.ErrGRPCBadLeaderTransferee, etcdserver.ErrBadLeaderTransferee: rpctypes.ErrGRPCBadLeaderTransferee,
etcdserver.ErrClusterVersionUnavailable: rpctypes.ErrGRPCClusterVersionUnavailable,
etcdserver.ErrWrongDowngradeVersionFormat: rpctypes.ErrGRPCWrongDowngradeVersionFormat,
etcdserver.ErrInvalidDowngradeTargetVersion: rpctypes.ErrGRPCInvalidDowngradeTargetVersion,
etcdserver.ErrDowngradeInProcess: rpctypes.ErrGRPCDowngradeInProcess,
etcdserver.ErrNoInflightDowngrade: rpctypes.ErrGRPCNoInflightDowngrade,
lease.ErrLeaseNotFound: rpctypes.ErrGRPCLeaseNotFound, lease.ErrLeaseNotFound: rpctypes.ErrGRPCLeaseNotFound,
lease.ErrLeaseExists: rpctypes.ErrGRPCLeaseExist, lease.ErrLeaseExists: rpctypes.ErrGRPCLeaseExist,
lease.ErrLeaseTTLTooLarge: rpctypes.ErrGRPCLeaseTTLTooLarge, lease.ErrLeaseTTLTooLarge: rpctypes.ErrGRPCLeaseTTLTooLarge,

43
etcdserver/errors.go
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@ -20,25 +20,30 @@ import (
) )
var ( var (
ErrUnknownMethod = errors.New("etcdserver: unknown method") ErrUnknownMethod = errors.New("etcdserver: unknown method")
ErrStopped = errors.New("etcdserver: server stopped") ErrStopped = errors.New("etcdserver: server stopped")
ErrCanceled = errors.New("etcdserver: request cancelled") ErrCanceled = errors.New("etcdserver: request cancelled")
ErrTimeout = errors.New("etcdserver: request timed out") ErrTimeout = errors.New("etcdserver: request timed out")
ErrTimeoutDueToLeaderFail = errors.New("etcdserver: request timed out, possibly due to previous leader failure") ErrTimeoutDueToLeaderFail = errors.New("etcdserver: request timed out, possibly due to previous leader failure")
ErrTimeoutDueToConnectionLost = errors.New("etcdserver: request timed out, possibly due to connection lost") ErrTimeoutDueToConnectionLost = errors.New("etcdserver: request timed out, possibly due to connection lost")
ErrTimeoutLeaderTransfer = errors.New("etcdserver: request timed out, leader transfer took too long") ErrTimeoutLeaderTransfer = errors.New("etcdserver: request timed out, leader transfer took too long")
ErrLeaderChanged = errors.New("etcdserver: leader changed") ErrLeaderChanged = errors.New("etcdserver: leader changed")
ErrNotEnoughStartedMembers = errors.New("etcdserver: re-configuration failed due to not enough started members") ErrNotEnoughStartedMembers = errors.New("etcdserver: re-configuration failed due to not enough started members")
ErrLearnerNotReady = errors.New("etcdserver: can only promote a learner member which is in sync with leader") ErrLearnerNotReady = errors.New("etcdserver: can only promote a learner member which is in sync with leader")
ErrNoLeader = errors.New("etcdserver: no leader") ErrNoLeader = errors.New("etcdserver: no leader")
ErrNotLeader = errors.New("etcdserver: not leader") ErrNotLeader = errors.New("etcdserver: not leader")
ErrRequestTooLarge = errors.New("etcdserver: request is too large") ErrRequestTooLarge = errors.New("etcdserver: request is too large")
ErrNoSpace = errors.New("etcdserver: no space") ErrNoSpace = errors.New("etcdserver: no space")
ErrTooManyRequests = errors.New("etcdserver: too many requests") ErrTooManyRequests = errors.New("etcdserver: too many requests")
ErrUnhealthy = errors.New("etcdserver: unhealthy cluster") ErrUnhealthy = errors.New("etcdserver: unhealthy cluster")
ErrKeyNotFound = errors.New("etcdserver: key not found") ErrKeyNotFound = errors.New("etcdserver: key not found")
ErrCorrupt = errors.New("etcdserver: corrupt cluster") ErrCorrupt = errors.New("etcdserver: corrupt cluster")
ErrBadLeaderTransferee = errors.New("etcdserver: bad leader transferee") ErrBadLeaderTransferee = errors.New("etcdserver: bad leader transferee")
ErrClusterVersionUnavailable = errors.New("etcdserver: cluster version not found during downgrade")
ErrWrongDowngradeVersionFormat = errors.New("etcdserver: wrong downgrade target version format")
ErrInvalidDowngradeTargetVersion = errors.New("etcdserver: invalid downgrade target version")
ErrDowngradeInProcess = errors.New("etcdserver: cluster has a downgrade job in progress")
ErrNoInflightDowngrade = errors.New("etcdserver: no inflight downgrade job")
) )
type DiscoveryError struct { type DiscoveryError struct {