handler

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 Go to latest Published: Nov 15, 2021 License: Apache-2.0 Imports: 16 Imported by: 0

Documentation

Overview

Copyright 2021 SANGFOR TECHNOLOGIES

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at 

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

This section is empty.

Types

type Mysql 

type Mysql struct {
}

func (*Mysql) BaseInfo 

func (m *Mysql) BaseInfo() string

func (*Mysql) CanReplicateFrom 

func (m *Mysql) CanReplicateFrom(first dtstruct.InstanceAdaptor, other dtstruct.InstanceAdaptor) (bool, error)

func (*Mysql) CascadeInfo 

func (m *Mysql) CascadeInfo() string

func (*Mysql) CategorizeReplication 

func (m *Mysql) CategorizeReplication(topologyRecovery *dtstruct.TopologyRecovery, failedInstanceKey *dtstruct.InstanceKey, promotedRepIsIdeal func(dtstruct.InstanceAdaptor, bool) bool) ([]dtstruct.InstanceAdaptor, []dtstruct.InstanceAdaptor, []dtstruct.InstanceAdaptor, []dtstruct.InstanceAdaptor, dtstruct.InstanceAdaptor, error)

func (*Mysql) ChangeMasterTo 

func (m *Mysql) ChangeMasterTo(instanceKey *dtstruct.InstanceKey, masterKey *dtstruct.InstanceKey, masterBinlogCoordinates *dtstruct.LogCoordinates, skipUnresolve bool, gtidHint string) (dtstruct.InstanceAdaptor, error)

func (*Mysql) CheckAndRecoverDeadMaster 

func (m *Mysql) CheckAndRecoverDeadMaster(analysisEntry dtstruct.ReplicationAnalysis, candidateInstanceKey *dtstruct.InstanceKey, forceInstanceRecovery bool, skipProcesses bool) (recoveryAttempted bool, topologyRecovery *dtstruct.TopologyRecovery, err error)

func (*Mysql) CheckIfWouldBeMaster 

func (m *Mysql) CheckIfWouldBeMaster(instance dtstruct.InstanceAdaptor) bool

func (*Mysql) CliCmd 

func (m *Mysql) CliCmd(commandMap map[string]dtstruct.CommandDesc, cliParam *dtstruct.CliParam)

func (*Mysql) DelayReplication 

func (m *Mysql) DelayReplication(instanceKey *dtstruct.InstanceKey, seconds int) error

func (*Mysql) DetachMaster 

func (m *Mysql) DetachMaster(instanceKey *dtstruct.InstanceKey) (dtstruct.InstanceAdaptor, error)

DetachMaster detaches a replica from its master by corrupting the Master_Host (in such way that is reversible)

func (*Mysql) DriveName 

func (m *Mysql) DriveName() string

func (*Mysql) EmptyCommitInstance 

func (m *Mysql) EmptyCommitInstance(instanceKey *dtstruct.InstanceKey) error

func (*Mysql) ExecSQLOnInstance 

func (m *Mysql) ExecSQLOnInstance(instanceKey *dtstruct.InstanceKey, query string, args ...interface{}) (sql.Result, error)

func (*Mysql) ForgetInstance 

func (m *Mysql) ForgetInstance(instanceKey *dtstruct.InstanceKey) error

func (*Mysql) GetCandidateReplica 

func (m *Mysql) GetCandidateReplica(masterKey *dtstruct.InstanceKey, forRematchPurposes bool) (dtstruct.InstanceAdaptor, []dtstruct.InstanceAdaptor, []dtstruct.InstanceAdaptor, []dtstruct.InstanceAdaptor, []dtstruct.InstanceAdaptor, error)

func (*Mysql) GetCheckAndRecoverFunction 

func (m *Mysql) GetCheckAndRecoverFunction(analysisCode dtstruct.AnalysisCode, analyzedInstanceKey *dtstruct.InstanceKey) (checkAndRecoverFunction func(analysisEntry dtstruct.ReplicationAnalysis, candidateInstanceKey *dtstruct.InstanceKey, forceInstanceRecovery bool, skipProcesses bool) (recoveryAttempted bool, topologyRecovery *dtstruct.TopologyRecovery, err error), isActionableRecovery bool)

func (*Mysql) GetDBConnPool 

func (m *Mysql) GetDBConnPool(uri string) (db *sql.DB, err error)

func (*Mysql) GetDBURI 

func (m *Mysql) GetDBURI(host string, port int, args ...interface{}) string

func (*Mysql) GetInfoFromInstance 

func (m *Mysql) GetInfoFromInstance(ctx context.Context, instanceKey *dtstruct.InstanceKey, checkOnly, bufferWrites bool, latency *stopwatch.NamedStopwatch, agent string) (inst dtstruct.InstanceAdaptor, err error)

func (*Mysql) GetMasterRecoveryType 

func (m *Mysql) GetMasterRecoveryType(analysis *dtstruct.ReplicationAnalysis) dtstruct.RecoveryType

func (*Mysql) GetReplicationAnalysis 

func (m *Mysql) GetReplicationAnalysis(clusterName, clusterId string, hints *dtstruct.ReplicationAnalysisHints) ([]dtstruct.ReplicationAnalysis, error)

func (*Mysql) GetSyncInfo 

func (m *Mysql) GetSyncInfo(instanceKey *dtstruct.InstanceKey, bufferWrites bool, agent string) (interface{}, error)

func (*Mysql) GracefulMasterTakeover 

func (m *Mysql) GracefulMasterTakeover(clusterName string, designatedKey *dtstruct.InstanceKey, auto bool) (topologyRecovery *dtstruct.TopologyRecovery, promotedMasterCoordinates *dtstruct.LogCoordinates, err error)

func (*Mysql) IsSmallerBinlogFormat 

func (m *Mysql) IsSmallerBinlogFormat(binlogFormat string, otherBinlogFormat string) bool

func (*Mysql) KillQuery 

func (m *Mysql) KillQuery(instanceKey *dtstruct.InstanceKey, process int64) (dtstruct.InstanceAdaptor, error)

func (*Mysql) MakeCoMaster 

func (m *Mysql) MakeCoMaster(instanceKey *dtstruct.InstanceKey) (dtstruct.InstanceAdaptor, error)

func (*Mysql) MakeLocalMaster 

func (m *Mysql) MakeLocalMaster(instanceKey *dtstruct.InstanceKey) (dtstruct.InstanceAdaptor, error)

func (*Mysql) MakeMaster 

func (m *Mysql) MakeMaster(instanceKey *dtstruct.InstanceKey) (dtstruct.InstanceAdaptor, error)

func (*Mysql) MasterInfo 

func (m *Mysql) MasterInfo() string

func (*Mysql) MatchBelow 

func (m *Mysql) MatchBelow(instanceKey, otherKey *dtstruct.InstanceKey, requireInstanceMaintenance bool) (dtstruct.InstanceAdaptor, *dtstruct.LogCoordinates, error)

func (*Mysql) MatchUp 

func (m *Mysql) MatchUp(instanceKey *dtstruct.InstanceKey, requireInstanceMaintenance bool) (dtstruct.InstanceAdaptor, *dtstruct.LogCoordinates, error)

func (*Mysql) MatchUpReplicas 

func (m *Mysql) MatchUpReplicas(masterKey *dtstruct.InstanceKey, pattern string) ([]dtstruct.InstanceAdaptor, dtstruct.InstanceAdaptor, error, []error)

func (*Mysql) MoveBelow 

func (m *Mysql) MoveBelow(instanceKey, siblingKey *dtstruct.InstanceKey) (dtstruct.InstanceAdaptor, error)

func (*Mysql) MoveEquivalent 

func (m *Mysql) MoveEquivalent(instanceKey, otherKey *dtstruct.InstanceKey) (dtstruct.InstanceAdaptor, error)

func (*Mysql) MoveUp 

func (m *Mysql) MoveUp(instanceKey *dtstruct.InstanceKey) (dtstruct.InstanceAdaptor, error)

func (*Mysql) MoveUpReplicas 

func (m *Mysql) MoveUpReplicas(instanceKey *dtstruct.InstanceKey, pattern string) ([]dtstruct.InstanceAdaptor, dtstruct.InstanceAdaptor, error, []error)

func (*Mysql) MultiMatchBelow 

func (m *Mysql) MultiMatchBelow(replicas []dtstruct.InstanceAdaptor, belowKey *dtstruct.InstanceKey, postponedFunctionsContainer *dtstruct.PostponedFunctionsContainer) ([]dtstruct.InstanceAdaptor, dtstruct.InstanceAdaptor, error, []error)

func (*Mysql) MultiMatchReplicas 

func (m *Mysql) MultiMatchReplicas(masterKey *dtstruct.InstanceKey, belowKey *dtstruct.InstanceKey, pattern string) ([]dtstruct.InstanceAdaptor, dtstruct.InstanceAdaptor, error, []error)

func (*Mysql) OpenTopology 

func (m *Mysql) OpenTopology(host string, port int, args ...interface{}) (*sql.DB, error)

func (*Mysql) ReadClusterInstances 

func (m *Mysql) ReadClusterInstances(clusterName string) ([]dtstruct.InstanceAdaptor, error)

func (*Mysql) ReadFromBackendDB 

func (m *Mysql) ReadFromBackendDB(instanceKey *dtstruct.InstanceKey) (dtstruct.InstanceAdaptor, bool, error)

func (*Mysql) ReadInstanceByCondition 

func (m *Mysql) ReadInstanceByCondition(query string, condition string, args []interface{}, sort string) ([]dtstruct.InstanceAdaptor, error)

func (*Mysql) ReadReplicaInstances 

func (m *Mysql) ReadReplicaInstances(masterKey *dtstruct.InstanceKey) ([]dtstruct.InstanceAdaptor, error)

func (*Mysql) ReattachMaster 

func (m *Mysql) ReattachMaster(instanceKey *dtstruct.InstanceKey) (dtstruct.InstanceAdaptor, error)

ReattachMaster reattaches a replica back onto its master by undoing a DetachMaster operation

func (*Mysql) RegisterAPIRequest 

func (m *Mysql) RegisterAPIRequest() map[string][]interface{}

func (*Mysql) RegisterWebRequest 

func (m *Mysql) RegisterWebRequest() map[string][]interface{}

func (*Mysql) RegroupReplicas 

func (m *Mysql) RegroupReplicas(masterKey *dtstruct.InstanceKey, returnReplicaEvenOnFailureToRegroup bool, onCandidateReplicaChosen func(dtstruct.InstanceAdaptor), postponedFunctionsContainer *dtstruct.PostponedFunctionsContainer) ([]dtstruct.InstanceAdaptor, []dtstruct.InstanceAdaptor, []dtstruct.InstanceAdaptor, []dtstruct.InstanceAdaptor, dtstruct.InstanceAdaptor, error)

func (*Mysql) RelocateBelow 

func (m *Mysql) RelocateBelow(instanceKey, otherKey *dtstruct.InstanceKey) (interface{}, error)

func (*Mysql) RelocateReplicas 

func (m *Mysql) RelocateReplicas(instanceKey, otherKey *dtstruct.InstanceKey, pattern string) ([]dtstruct.InstanceAdaptor, dtstruct.InstanceAdaptor, error, []error)

func (*Mysql) RematchReplica 

func (m *Mysql) RematchReplica(instanceKey *dtstruct.InstanceKey, requireInstanceMaintenance bool) (dtstruct.InstanceAdaptor, *dtstruct.LogCoordinates, error)

func (*Mysql) ReplicationConfirm 

func (m *Mysql) ReplicationConfirm(failedKey *dtstruct.InstanceKey, streamKey *dtstruct.InstanceKey, upstream bool) bool

func (*Mysql) Repoint 

func (m *Mysql) Repoint(instanceKey *dtstruct.InstanceKey, masterKey *dtstruct.InstanceKey, gtidHint string) (dtstruct.InstanceAdaptor, error)

func (*Mysql) RepointReplicasTo 

func (m *Mysql) RepointReplicasTo(instanceKey *dtstruct.InstanceKey, pattern string, belowKey *dtstruct.InstanceKey) ([]dtstruct.InstanceAdaptor, error, []error)

func (*Mysql) ResetReplication 

func (m *Mysql) ResetReplication(instanceKey *dtstruct.InstanceKey) (dtstruct.InstanceAdaptor, error)

func (*Mysql) RestartReplication 

func (m *Mysql) RestartReplication(instanceKey *dtstruct.InstanceKey) (interface{}, error)

func (*Mysql) RowToInstance 

func (m *Mysql) RowToInstance(rowMap sqlutil.RowMap) dtstruct.InstanceAdaptor

readInstanceRow reads a single instance row from the ham4db backend database.

func (*Mysql) RunEmergentOperations 

func (m *Mysql) RunEmergentOperations(analysisEntry *dtstruct.ReplicationAnalysis)

func (*Mysql) SQLProblemArgs 

func (m *Mysql) SQLProblemArgs(args ...interface{}) []interface{}

func (*Mysql) SQLProblemCondition 

func (m *Mysql) SQLProblemCondition() string

func (*Mysql) SQLProblemQuery 

func (m *Mysql) SQLProblemQuery() string

func (*Mysql) ScanInstanceRow 

func (m *Mysql) ScanInstanceRow(instanceKey *dtstruct.InstanceKey, query string, dest ...interface{}) error

func (*Mysql) SchemaBase 

func (m *Mysql) SchemaBase() []string

func (*Mysql) SchemaPatch 

func (m *Mysql) SchemaPatch() []string

func (*Mysql) SetReadOnly 

func (m *Mysql) SetReadOnly(instanceKey *dtstruct.InstanceKey, readOnly bool) (dtstruct.InstanceAdaptor, error)

func (*Mysql) SetSemiSyncOnDownstream 

func (m *Mysql) SetSemiSyncOnDownstream(instanceKey *dtstruct.InstanceKey, enableReplica bool) (dtstruct.InstanceAdaptor, error)

func (*Mysql) SetSemiSyncOnUpstream 

func (m *Mysql) SetSemiSyncOnUpstream(instanceKey *dtstruct.InstanceKey, enableMaster bool) (dtstruct.InstanceAdaptor, error)

func (*Mysql) SkipQuery 

func (m *Mysql) SkipQuery(instanceKey *dtstruct.InstanceKey) (dtstruct.InstanceAdaptor, error)

func (*Mysql) SlaveInfo 

func (m *Mysql) SlaveInfo() string

func (*Mysql) StartReplication 

func (m *Mysql) StartReplication(ctx context.Context, instanceKey *dtstruct.InstanceKey) (interface{}, error)

func (*Mysql) StopReplication 

func (m *Mysql) StopReplication(instanceKey *dtstruct.InstanceKey) (interface{}, error)

func (*Mysql) StopReplicationNicely 

func (m *Mysql) StopReplicationNicely(instanceKey *dtstruct.InstanceKey, timeout time.Duration) (dtstruct.InstanceAdaptor, error)

func (*Mysql) TLSCheck 

func (m *Mysql) TLSCheck(uri string) bool

func (*Mysql) TLSConfig 

func (m *Mysql) TLSConfig(tlsConfig *tls.Config) error

func (*Mysql) TakeMaster 

func (m *Mysql) TakeMaster(instanceKey *dtstruct.InstanceKey, allowTakingCoMaster bool) (dtstruct.InstanceAdaptor, error)

func (*Mysql) TakeSiblings 

func (m *Mysql) TakeSiblings(instanceKey *dtstruct.InstanceKey) (instance dtstruct.InstanceAdaptor, takenSiblings int, err error)

func (*Mysql) Topology 

func (m *Mysql) Topology(request *dtstruct.Request, historyTimestampPattern string, tabulated bool, printTags bool) (result interface{}, err error)

func (*Mysql) WriteToBackendDB 

func (m2 *Mysql) WriteToBackendDB(ctx context.Context, instances []dtstruct.InstanceAdaptor, instanceWasActuallyFound bool, updateLastSeen bool) error

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