Documentation ¶
Overview ¶
Package topodata is a generated protocol buffer package.
It is generated from these files:
topodata.proto
It has these top-level messages:
KeyRange TabletAlias Tablet Shard Keyspace ShardReplication EndPoint EndPoints SrvShard ShardReference SrvKeyspace
Index ¶
- Variables
- type EndPoint
- type EndPoints
- type KeyRange
- type Keyspace
- type KeyspaceIdType
- type Keyspace_ServedFrom
- type Shard
- func (m *Shard) GetKeyRange() *KeyRange
- func (m *Shard) GetMasterAlias() *TabletAlias
- func (m *Shard) GetServedTypes() []*Shard_ServedType
- func (m *Shard) GetSourceShards() []*Shard_SourceShard
- func (m *Shard) GetTabletControls() []*Shard_TabletControl
- func (*Shard) ProtoMessage()
- func (m *Shard) Reset()
- func (m *Shard) String() string
- type ShardReference
- type ShardReplication
- type ShardReplication_Node
- type Shard_ServedType
- type Shard_SourceShard
- type Shard_TabletControl
- type SrvKeyspace
- type SrvKeyspace_KeyspacePartition
- type SrvKeyspace_ServedFrom
- type SrvShard
- type Tablet
- func (m *Tablet) GetAlias() *TabletAlias
- func (m *Tablet) GetHealthMap() map[string]string
- func (m *Tablet) GetKeyRange() *KeyRange
- func (m *Tablet) GetPortMap() map[string]int32
- func (m *Tablet) GetTags() map[string]string
- func (*Tablet) ProtoMessage()
- func (m *Tablet) Reset()
- func (m *Tablet) String() string
- type TabletAlias
- type TabletType
Constants ¶
This section is empty.
Variables ¶
var KeyspaceIdType_name = map[int32]string{
0: "UNSET",
1: "UINT64",
2: "BYTES",
}
var KeyspaceIdType_value = map[string]int32{
"UNSET": 0,
"UINT64": 1,
"BYTES": 2,
}
var TabletType_name = map[int32]string{
0: "UNKNOWN",
1: "MASTER",
2: "REPLICA",
3: "RDONLY",
4: "SPARE",
5: "EXPERIMENTAL",
6: "BACKUP",
7: "RESTORE",
8: "WORKER",
}
var TabletType_value = map[string]int32{
"UNKNOWN": 0,
"MASTER": 1,
"REPLICA": 2,
"RDONLY": 3,
"BATCH": 3,
"SPARE": 4,
"EXPERIMENTAL": 5,
"BACKUP": 6,
"RESTORE": 7,
"WORKER": 8,
}
Functions ¶
This section is empty.
Types ¶
type EndPoint ¶
type EndPoint struct { // The uid of the tablet. Uid uint32 `protobuf:"varint,1,opt,name=uid" json:"uid,omitempty"` // The host the tablet is running on (FQDN). Host string `protobuf:"bytes,2,opt,name=host" json:"host,omitempty"` // The ports opened for service. PortMap map[string]int32 `` /* 137-byte string literal not displayed */ // The health entries. HealthMap map[string]string `` /* 140-byte string literal not displayed */ }
EndPoint corresponds to a single tablet.
func (*EndPoint) GetHealthMap ¶
func (*EndPoint) GetPortMap ¶
func (*EndPoint) ProtoMessage ¶
func (*EndPoint) ProtoMessage()
type EndPoints ¶
type EndPoints struct {
Entries []*EndPoint `protobuf:"bytes,1,rep,name=entries" json:"entries,omitempty"`
}
EndPoints corresponds to a list of tablets.
func (*EndPoints) GetEntries ¶
func (*EndPoints) ProtoMessage ¶
func (*EndPoints) ProtoMessage()
type KeyRange ¶
type KeyRange struct { Start []byte `protobuf:"bytes,1,opt,name=start,proto3" json:"start,omitempty"` End []byte `protobuf:"bytes,2,opt,name=end,proto3" json:"end,omitempty"` }
KeyRange describes a range of sharding keys, when range-based sharding is used.
func (*KeyRange) ProtoMessage ¶
func (*KeyRange) ProtoMessage()
type Keyspace ¶
type Keyspace struct { // name of the column used for sharding // empty if the keyspace is not sharded ShardingColumnName string `protobuf:"bytes,1,opt,name=sharding_column_name" json:"sharding_column_name,omitempty"` // type of the column used for sharding // KIT_UNSET if the keyspace is not sharded ShardingColumnType KeyspaceIdType `protobuf:"varint,2,opt,name=sharding_column_type,enum=topodata.KeyspaceIdType" json:"sharding_column_type,omitempty"` // SplitShardCount stores the number of jobs to run to be sure to // always have at most one job per shard (used during resharding). SplitShardCount int32 `protobuf:"varint,3,opt,name=split_shard_count" json:"split_shard_count,omitempty"` // ServedFrom will redirect the appropriate traffic to // another keyspace. ServedFroms []*Keyspace_ServedFrom `protobuf:"bytes,4,rep,name=served_froms" json:"served_froms,omitempty"` }
A Keyspace contains data about a keyspace.
func (*Keyspace) GetServedFroms ¶
func (m *Keyspace) GetServedFroms() []*Keyspace_ServedFrom
func (*Keyspace) ProtoMessage ¶
func (*Keyspace) ProtoMessage()
type KeyspaceIdType ¶
type KeyspaceIdType int32
KeyspaceIdType describes the type of the sharding key for a range-based sharded keyspace.
const ( // UNSET is the default value, when range-based sharding is not used. KeyspaceIdType_UNSET KeyspaceIdType = 0 // UINT64 is when uint64 value is used. // This is represented as 'unsigned bigint' in mysql KeyspaceIdType_UINT64 KeyspaceIdType = 1 // BYTES is when an array of bytes is used. // This is represented as 'varbinary' in mysql KeyspaceIdType_BYTES KeyspaceIdType = 2 )
func (KeyspaceIdType) String ¶
func (x KeyspaceIdType) String() string
type Keyspace_ServedFrom ¶
type Keyspace_ServedFrom struct { // the tablet type (key for the map) TabletType TabletType `protobuf:"varint,1,opt,name=tablet_type,enum=topodata.TabletType" json:"tablet_type,omitempty"` // the cells to limit this to Cells []string `protobuf:"bytes,2,rep,name=cells" json:"cells,omitempty"` // the keyspace name that's serving it Keyspace string `protobuf:"bytes,3,opt,name=keyspace" json:"keyspace,omitempty"` }
ServedFrom indicates a relationship between a TabletType and the keyspace name that's serving it.
func (*Keyspace_ServedFrom) ProtoMessage ¶
func (*Keyspace_ServedFrom) ProtoMessage()
func (*Keyspace_ServedFrom) Reset ¶
func (m *Keyspace_ServedFrom) Reset()
func (*Keyspace_ServedFrom) String ¶
func (m *Keyspace_ServedFrom) String() string
type Shard ¶
type Shard struct { // master_alias is the tablet alias of the master for the shard. // If it is unset, then there is no master in this shard yet. MasterAlias *TabletAlias `protobuf:"bytes,1,opt,name=master_alias" json:"master_alias,omitempty"` // key_range is the KeyRange for this shard. It can be unset if: // - we are not using range-based sharding in this shard. // - the shard covers the entire keyrange. // This must match the shard name based on our other conventions, but // helpful to have it decomposed here. KeyRange *KeyRange `protobuf:"bytes,2,opt,name=key_range" json:"key_range,omitempty"` // served_types has at most one entry per TabletType ServedTypes []*Shard_ServedType `protobuf:"bytes,3,rep,name=served_types" json:"served_types,omitempty"` // SourceShards is the list of shards we're replicating from, // using filtered replication. SourceShards []*Shard_SourceShard `protobuf:"bytes,4,rep,name=source_shards" json:"source_shards,omitempty"` // Cells is the list of cells that contain tablets for this shard. Cells []string `protobuf:"bytes,5,rep,name=cells" json:"cells,omitempty"` // tablet_controls has at most one entry per TabletType TabletControls []*Shard_TabletControl `protobuf:"bytes,6,rep,name=tablet_controls" json:"tablet_controls,omitempty"` }
A Shard contains data about a subset of the data whithin a keyspace.
func (*Shard) GetKeyRange ¶
func (*Shard) GetMasterAlias ¶
func (m *Shard) GetMasterAlias() *TabletAlias
func (*Shard) GetServedTypes ¶
func (m *Shard) GetServedTypes() []*Shard_ServedType
func (*Shard) GetSourceShards ¶
func (m *Shard) GetSourceShards() []*Shard_SourceShard
func (*Shard) GetTabletControls ¶
func (m *Shard) GetTabletControls() []*Shard_TabletControl
func (*Shard) ProtoMessage ¶
func (*Shard) ProtoMessage()
type ShardReference ¶
type ShardReference struct { // Copied from Shard. Name string `protobuf:"bytes,1,opt,name=name" json:"name,omitempty"` KeyRange *KeyRange `protobuf:"bytes,2,opt,name=key_range" json:"key_range,omitempty"` }
ShardReference is used as a pointer from a SrvKeyspace to a SrvShard
func (*ShardReference) GetKeyRange ¶
func (m *ShardReference) GetKeyRange() *KeyRange
func (*ShardReference) ProtoMessage ¶
func (*ShardReference) ProtoMessage()
func (*ShardReference) Reset ¶
func (m *ShardReference) Reset()
func (*ShardReference) String ¶
func (m *ShardReference) String() string
type ShardReplication ¶
type ShardReplication struct { // Note there can be only one Node in this array // for a given tablet. Nodes []*ShardReplication_Node `protobuf:"bytes,1,rep,name=nodes" json:"nodes,omitempty"` }
ShardReplication describes the MySQL replication relationships whithin a cell.
func (*ShardReplication) GetNodes ¶
func (m *ShardReplication) GetNodes() []*ShardReplication_Node
func (*ShardReplication) ProtoMessage ¶
func (*ShardReplication) ProtoMessage()
func (*ShardReplication) Reset ¶
func (m *ShardReplication) Reset()
func (*ShardReplication) String ¶
func (m *ShardReplication) String() string
type ShardReplication_Node ¶
type ShardReplication_Node struct {
TabletAlias *TabletAlias `protobuf:"bytes,1,opt,name=tablet_alias" json:"tablet_alias,omitempty"`
}
Node describes a tablet instance within the cell
func (*ShardReplication_Node) GetTabletAlias ¶
func (m *ShardReplication_Node) GetTabletAlias() *TabletAlias
func (*ShardReplication_Node) ProtoMessage ¶
func (*ShardReplication_Node) ProtoMessage()
func (*ShardReplication_Node) Reset ¶
func (m *ShardReplication_Node) Reset()
func (*ShardReplication_Node) String ¶
func (m *ShardReplication_Node) String() string
type Shard_ServedType ¶
type Shard_ServedType struct { TabletType TabletType `protobuf:"varint,1,opt,name=tablet_type,enum=topodata.TabletType" json:"tablet_type,omitempty"` Cells []string `protobuf:"bytes,2,rep,name=cells" json:"cells,omitempty"` }
ServedType is an entry in the served_types
func (*Shard_ServedType) ProtoMessage ¶
func (*Shard_ServedType) ProtoMessage()
func (*Shard_ServedType) Reset ¶
func (m *Shard_ServedType) Reset()
func (*Shard_ServedType) String ¶
func (m *Shard_ServedType) String() string
type Shard_SourceShard ¶
type Shard_SourceShard struct { // Uid is the unique ID for this SourceShard object. Uid uint32 `protobuf:"varint,1,opt,name=uid" json:"uid,omitempty"` // the source keyspace Keyspace string `protobuf:"bytes,2,opt,name=keyspace" json:"keyspace,omitempty"` // the source shard Shard string `protobuf:"bytes,3,opt,name=shard" json:"shard,omitempty"` // the source shard keyrange KeyRange *KeyRange `protobuf:"bytes,4,opt,name=key_range" json:"key_range,omitempty"` // the source table list to replicate Tables []string `protobuf:"bytes,5,rep,name=tables" json:"tables,omitempty"` }
SourceShard represents a data source for filtered replication accross shards. When this is used in a destination shard, the master of that shard will run filtered replication.
func (*Shard_SourceShard) GetKeyRange ¶
func (m *Shard_SourceShard) GetKeyRange() *KeyRange
func (*Shard_SourceShard) ProtoMessage ¶
func (*Shard_SourceShard) ProtoMessage()
func (*Shard_SourceShard) Reset ¶
func (m *Shard_SourceShard) Reset()
func (*Shard_SourceShard) String ¶
func (m *Shard_SourceShard) String() string
type Shard_TabletControl ¶
type Shard_TabletControl struct { // which tablet type is affected TabletType TabletType `protobuf:"varint,1,opt,name=tablet_type,enum=topodata.TabletType" json:"tablet_type,omitempty"` Cells []string `protobuf:"bytes,2,rep,name=cells" json:"cells,omitempty"` // what to do DisableQueryService bool `protobuf:"varint,3,opt,name=disable_query_service" json:"disable_query_service,omitempty"` BlacklistedTables []string `protobuf:"bytes,4,rep,name=blacklisted_tables" json:"blacklisted_tables,omitempty"` }
TabletControl controls tablet's behavior
func (*Shard_TabletControl) ProtoMessage ¶
func (*Shard_TabletControl) ProtoMessage()
func (*Shard_TabletControl) Reset ¶
func (m *Shard_TabletControl) Reset()
func (*Shard_TabletControl) String ¶
func (m *Shard_TabletControl) String() string
type SrvKeyspace ¶
type SrvKeyspace struct { // The partitions this keyspace is serving, per tablet type. Partitions []*SrvKeyspace_KeyspacePartition `protobuf:"bytes,1,rep,name=partitions" json:"partitions,omitempty"` // copied from Keyspace ShardingColumnName string `protobuf:"bytes,2,opt,name=sharding_column_name" json:"sharding_column_name,omitempty"` ShardingColumnType KeyspaceIdType `protobuf:"varint,3,opt,name=sharding_column_type,enum=topodata.KeyspaceIdType" json:"sharding_column_type,omitempty"` ServedFrom []*SrvKeyspace_ServedFrom `protobuf:"bytes,4,rep,name=served_from" json:"served_from,omitempty"` SplitShardCount int32 `protobuf:"varint,5,opt,name=split_shard_count" json:"split_shard_count,omitempty"` }
SrvKeyspace is a rollup node for the keyspace itself.
func (*SrvKeyspace) GetPartitions ¶
func (m *SrvKeyspace) GetPartitions() []*SrvKeyspace_KeyspacePartition
func (*SrvKeyspace) GetServedFrom ¶
func (m *SrvKeyspace) GetServedFrom() []*SrvKeyspace_ServedFrom
func (*SrvKeyspace) ProtoMessage ¶
func (*SrvKeyspace) ProtoMessage()
func (*SrvKeyspace) Reset ¶
func (m *SrvKeyspace) Reset()
func (*SrvKeyspace) String ¶
func (m *SrvKeyspace) String() string
type SrvKeyspace_KeyspacePartition ¶
type SrvKeyspace_KeyspacePartition struct { // The type this partition applies to. ServedType TabletType `protobuf:"varint,1,opt,name=served_type,enum=topodata.TabletType" json:"served_type,omitempty"` // List of non-overlapping continuous shards sorted by range. ShardReferences []*ShardReference `protobuf:"bytes,2,rep,name=shard_references" json:"shard_references,omitempty"` }
func (*SrvKeyspace_KeyspacePartition) GetShardReferences ¶
func (m *SrvKeyspace_KeyspacePartition) GetShardReferences() []*ShardReference
func (*SrvKeyspace_KeyspacePartition) ProtoMessage ¶
func (*SrvKeyspace_KeyspacePartition) ProtoMessage()
func (*SrvKeyspace_KeyspacePartition) Reset ¶
func (m *SrvKeyspace_KeyspacePartition) Reset()
func (*SrvKeyspace_KeyspacePartition) String ¶
func (m *SrvKeyspace_KeyspacePartition) String() string
type SrvKeyspace_ServedFrom ¶
type SrvKeyspace_ServedFrom struct { // the tablet type TabletType TabletType `protobuf:"varint,1,opt,name=tablet_type,enum=topodata.TabletType" json:"tablet_type,omitempty"` // the keyspace name that's serving it Keyspace string `protobuf:"bytes,2,opt,name=keyspace" json:"keyspace,omitempty"` }
ServedFrom indicates a relationship between a TabletType and the keyspace name that's serving it.
func (*SrvKeyspace_ServedFrom) ProtoMessage ¶
func (*SrvKeyspace_ServedFrom) ProtoMessage()
func (*SrvKeyspace_ServedFrom) Reset ¶
func (m *SrvKeyspace_ServedFrom) Reset()
func (*SrvKeyspace_ServedFrom) String ¶
func (m *SrvKeyspace_ServedFrom) String() string
type SrvShard ¶
type SrvShard struct { // Copied from Shard. Name string `protobuf:"bytes,1,opt,name=name" json:"name,omitempty"` KeyRange *KeyRange `protobuf:"bytes,2,opt,name=key_range" json:"key_range,omitempty"` // The cell that master tablet resides in. MasterCell string `protobuf:"bytes,3,opt,name=master_cell" json:"master_cell,omitempty"` }
SrvShard is a rollup node for the shard itself.
func (*SrvShard) GetKeyRange ¶
func (*SrvShard) ProtoMessage ¶
func (*SrvShard) ProtoMessage()
type Tablet ¶
type Tablet struct { // alias is the unique name of the tablet. Alias *TabletAlias `protobuf:"bytes,1,opt,name=alias" json:"alias,omitempty"` // Fully qualified domain name of the host. Hostname string `protobuf:"bytes,2,opt,name=hostname" json:"hostname,omitempty"` // IP address, stored as a string. Ip string `protobuf:"bytes,3,opt,name=ip" json:"ip,omitempty"` // Map of named ports. Normally this should include vt, grpc, and mysql. PortMap map[string]int32 `` /* 137-byte string literal not displayed */ // Keyspace name. Keyspace string `protobuf:"bytes,5,opt,name=keyspace" json:"keyspace,omitempty"` // Shard name. If range based sharding is used, it should match // key_range. Shard string `protobuf:"bytes,6,opt,name=shard" json:"shard,omitempty"` // If range based sharding is used, range for the tablet's shard. KeyRange *KeyRange `protobuf:"bytes,7,opt,name=key_range" json:"key_range,omitempty"` // type is the current type of the tablet. Type TabletType `protobuf:"varint,8,opt,name=type,enum=topodata.TabletType" json:"type,omitempty"` // It this is set, it is used as the database name instead of the // normal "vt_" + keyspace. DbNameOverride string `protobuf:"bytes,9,opt,name=db_name_override" json:"db_name_override,omitempty"` // tablet tags Tags map[string]string `` /* 129-byte string literal not displayed */ // tablet health information HealthMap map[string]string `` /* 141-byte string literal not displayed */ }
Tablet represents information about a running instance of vttablet.
func (*Tablet) GetAlias ¶
func (m *Tablet) GetAlias() *TabletAlias
func (*Tablet) GetHealthMap ¶
func (*Tablet) GetKeyRange ¶
func (*Tablet) GetPortMap ¶
func (*Tablet) ProtoMessage ¶
func (*Tablet) ProtoMessage()
type TabletAlias ¶
type TabletAlias struct { // cell is the cell (or datacenter) the tablet is in Cell string `protobuf:"bytes,1,opt,name=cell" json:"cell,omitempty"` // uid is a unique id for this tablet within the shard // (this is the MySQL server id as well). Uid uint32 `protobuf:"varint,2,opt,name=uid" json:"uid,omitempty"` }
TabletAlias is a globally unique tablet identifier.
func (*TabletAlias) ProtoMessage ¶
func (*TabletAlias) ProtoMessage()
func (*TabletAlias) Reset ¶
func (m *TabletAlias) Reset()
func (*TabletAlias) String ¶
func (m *TabletAlias) String() string
type TabletType ¶
type TabletType int32
TabletType represents the type of a given tablet.
const ( TabletType_UNKNOWN TabletType = 0 TabletType_MASTER TabletType = 1 TabletType_REPLICA TabletType = 2 TabletType_RDONLY TabletType = 3 TabletType_BATCH TabletType = 3 TabletType_SPARE TabletType = 4 TabletType_EXPERIMENTAL TabletType = 5 TabletType_BACKUP TabletType = 6 TabletType_RESTORE TabletType = 7 TabletType_WORKER TabletType = 8 )
func (TabletType) String ¶
func (x TabletType) String() string