README
¶
This directory contains all the Go code for Vitess.
Most of the packages at the top level are general-purpose and are suitable for use outside Vitess. Packages that are specific to Vitess are in the vt subdirectory.
Please see GoDoc for a listing of the packages and their purposes.
Directories
¶
| Path | Synopsis |
|---|---|
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Package acl contains functions to enforce access control lists.
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Package acl contains functions to enforce access control lists. |
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Package bson implements encoding and decoding of BSON objects.
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Package bson implements encoding and decoding of BSON objects. |
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Package bufio2 implements buffered I/O. It wraps an io.Reader or io.Writer object, creating another object (Reader or AsyncWriter) that also implements the interface but provides buffering and some help for textual I/O.
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Package bufio2 implements buffered I/O. It wraps an io.Reader or io.Writer object, creating another object (Reader or AsyncWriter) that also implements the interface but provides buffering and some help for textual I/O. |
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Package bytes2 provides alternate implementations of functionality similar to go's bytes package.
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Package bytes2 provides alternate implementations of functionality similar to go's bytes package. |
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Package cache implements a LRU cache.
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Package cache implements a LRU cache. |
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Package cgzip wraps the C library for gzip.
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Package cgzip wraps the C library for gzip. |
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cmd
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bsongen
bsongen will generate bson encoders and decoders for a given go type.
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bsongen will generate bson encoders and decoders for a given go type. |
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mysqlctl
mysqlctl initializes and controls mysqld with Vitess-specific configuration.
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mysqlctl initializes and controls mysqld with Vitess-specific configuration. |
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mysqlctld
mysqlctld is a daemon that starts or initializes mysqld and provides an RPC interface for vttablet to stop and start mysqld from a different container without having to restart the container running mysqlctld.
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mysqlctld is a daemon that starts or initializes mysqld and provides an RPC interface for vttablet to stop and start mysqld from a different container without having to restart the container running mysqlctld. |
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vtcombo
vtcombo: a single binary that contains: - a ZK topology server based on an in-memory map.
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vtcombo: a single binary that contains: - a ZK topology server based on an in-memory map. |
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vtctld/proto
Package proto contains interfaces that other packages may need to interact with vtctld, such as to implement plugins.
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Package proto contains interfaces that other packages may need to interact with vtctld, such as to implement plugins. |
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vtgateclienttest
Package main is the implementation of vtgateclienttest.
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Package main is the implementation of vtgateclienttest. |
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vtgateclienttest/services
Package services exposes all the services for the vtgateclienttest binary.
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Package services exposes all the services for the vtgateclienttest binary. |
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vtworker
vtworker is the main program to run a worker job.
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vtworker is the main program to run a worker job. |
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zkctl
zkctl initializes and controls ZooKeeper with Vitess-specific configuration.
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zkctl initializes and controls ZooKeeper with Vitess-specific configuration. |
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zkctld
zkctld is a daemon that starts or initializes ZooKeeper with Vitess-specific configuration.
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zkctld is a daemon that starts or initializes ZooKeeper with Vitess-specific configuration. |
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Package event provides a reflect-based framework for low-frequency global dispatching of events, which are values of any arbitrary type, to a set of listener functions, which are usually registered by plugin packages during init().
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Package event provides a reflect-based framework for low-frequency global dispatching of events, which are values of any arbitrary type, to a set of listener functions, which are usually registered by plugin packages during init(). |
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syslogger
Package syslogger uses the event package to listen for any event that implements the Syslogger interface.
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Package syslogger uses the event package to listen for any event that implements the Syslogger interface. |
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Package executil provides information about running processes.
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Package executil provides information about running processes. |
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Package exit provides an alternative to os.Exit(int).
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Package exit provides an alternative to os.Exit(int). |
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Package fileutil contains utility functions related to files and paths.
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Package fileutil contains utility functions related to files and paths. |
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Package flagutil contains flags that parse string lists and string maps.
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Package flagutil contains flags that parse string lists and string maps. |
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Package hack gives you some efficient functionality at the cost of breaking some Go rules.
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Package hack gives you some efficient functionality at the cost of breaking some Go rules. |
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Package history implements a circular buffer with adjacent-item deduplication.
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Package history implements a circular buffer with adjacent-item deduplication. |
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Package ioutil2 provides extra functionality along similar lines to io/ioutil.
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Package ioutil2 provides extra functionality along similar lines to io/ioutil. |
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Package memcache is a client for memcached.
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Package memcache is a client for memcached. |
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Package mysql wraps the C client library for MySQL.
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Package mysql wraps the C client library for MySQL. |
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Package netutil contains network-related utility functions.
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Package netutil contains network-related utility functions. |
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Package pools provides functionality to manage and reuse resources like connections.
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Package pools provides functionality to manage and reuse resources like connections. |
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Package proc allows you to configure servers to be restarted with negligible downtime.
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Package proc allows you to configure servers to be restarted with negligible downtime. |
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Package ratelimiter implements rate limiting functionality.
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Package ratelimiter implements rate limiting functionality. |
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Package rpcplus provides access to the exported methods of an object across a network or other I/O connection.
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Package rpcplus provides access to the exported methods of an object across a network or other I/O connection. |
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jsonrpc
Package jsonrpc implements a JSON-RPC ClientCodec and ServerCodec for the rpcplus package.
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Package jsonrpc implements a JSON-RPC ClientCodec and ServerCodec for the rpcplus package. |
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pbrpc
Package pbrpc implements a ClientCodec and ServerCodec for the rpcplus package using Protocol Buffers.
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Package pbrpc implements a ClientCodec and ServerCodec for the rpcplus package using Protocol Buffers. |
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Package rpcwrap provides wrappers for rpcplus package
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Package rpcwrap provides wrappers for rpcplus package |
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bsonrpc
Package bsonrpc provides codecs for bsonrpc communication
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Package bsonrpc provides codecs for bsonrpc communication |
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jsonrpc
Package jsonrpc provides wrappers for json rpc communication
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Package jsonrpc provides wrappers for json rpc communication |
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proto
Package proto provides protocol functions
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Package proto provides protocol functions |
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Package sqldb defines an interface for low level db connection.
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Package sqldb defines an interface for low level db connection. |
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Package sqltypes implements interfaces and types that represent SQL values.
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Package sqltypes implements interfaces and types that represent SQL values. |
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Package stats is a wrapper for expvar.
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Package stats is a wrapper for expvar. |
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influxdbbackend
Package influxdbbackend is useful for publishing metrics to an InfluxDB backend (tested on v0.88).
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Package influxdbbackend is useful for publishing metrics to an InfluxDB backend (tested on v0.88). |
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Package streamlog provides a non-blocking message broadcaster.
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Package streamlog provides a non-blocking message broadcaster. |
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Package sync2 provides extra functionality along the same lines as sync.
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Package sync2 provides extra functionality along the same lines as sync. |
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Package tb exposes some handy traceback functionality buried in the runtime.
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Package tb exposes some handy traceback functionality buried in the runtime. |
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Package terminal detects whether a file descriptor is a terminal.
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Package terminal detects whether a file descriptor is a terminal. |
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Package testfiles locates test files within the Vitess directory tree.
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Package testfiles locates test files within the Vitess directory tree. |
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Package timer provides various enhanced timer functions.
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Package timer provides various enhanced timer functions. |
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Package trace contains a helper interface that allows various tracing tools to be plugged in to components using this interface.
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Package trace contains a helper interface that allows various tracing tools to be plugged in to components using this interface. |
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vt
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automation
Package automation contains code to execute high-level cluster operations (e.g.
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Package automation contains code to execute high-level cluster operations (e.g. |
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binlog/binlogplayer
Package binlogplayer contains the code that plays a filtered replication stream on a client database.
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Package binlogplayer contains the code that plays a filtered replication stream on a client database. |
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binlog/grpcbinlogstreamer
Package grpcbinlogstreamer contains the gRPC implementation of the binlog streamer server component.
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Package grpcbinlogstreamer contains the gRPC implementation of the binlog streamer server component. |
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callerid
Package callerid stores/retrives CallerIDs (immediate CallerID and effective CallerID) to/from the Context
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Package callerid stores/retrives CallerIDs (immediate CallerID and effective CallerID) to/from the Context |
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callinfo
Package callinfo stores custom values into the Context (related to the RPC source)
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Package callinfo stores custom values into the Context (related to the RPC source) |
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dbconfigs
Package dbconfigs is reusable by vt tools to load the db configs file.
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Package dbconfigs is reusable by vt tools to load the db configs file. |
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dbconnpool
Package dbconnpool exposes a single DBConnection object with wrapped access to a single DB connection, and a ConnectionPool object to pool these DBConnections.
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Package dbconnpool exposes a single DBConnection object with wrapped access to a single DB connection, and a ConnectionPool object to pool these DBConnections. |
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etcdtopo
Package etcdtopo implements topo.Server with etcd as the backend.
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Package etcdtopo implements topo.Server with etcd as the backend. |
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events
Package events defines common structures used for events dispatched from various other package.
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Package events defines common structures used for events dispatched from various other package. |
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mysqlctl/backupstorage
Package backupstorage contains the interface and file system implementation of the backup system.
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Package backupstorage contains the interface and file system implementation of the backup system. |
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mysqlctl/filebackupstorage
Package filebackupstorage implements the BacksupStorage interface for a local filesystem (which can be an NFS mount).
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Package filebackupstorage implements the BacksupStorage interface for a local filesystem (which can be an NFS mount). |
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mysqlctl/grpcmysqlctlclient
Package grpcmysqlctlclient contains the gRPC1 version of the mysqlctl client protocol.
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Package grpcmysqlctlclient contains the gRPC1 version of the mysqlctl client protocol. |
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mysqlctl/grpcmysqlctlserver
Package grpcmysqlctlserver contains the gRPC implementation of the server side of the remote execution of mysqlctl commands.
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Package grpcmysqlctlserver contains the gRPC implementation of the server side of the remote execution of mysqlctl commands. |
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mysqlctl/mysqlctlclient
Package mysqlctlclient contains the generic client side of the remote mysqlctl protocol.
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Package mysqlctlclient contains the generic client side of the remote mysqlctl protocol. |
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proto/automation
Package automation is a generated protocol buffer package.
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Package automation is a generated protocol buffer package. |
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proto/automationservice
Package automationservice is a generated protocol buffer package.
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Package automationservice is a generated protocol buffer package. |
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proto/binlogdata
Package binlogdata is a generated protocol buffer package.
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Package binlogdata is a generated protocol buffer package. |
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proto/binlogservice
Package binlogservice is a generated protocol buffer package.
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Package binlogservice is a generated protocol buffer package. |
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proto/logutil
Package logutil is a generated protocol buffer package.
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Package logutil is a generated protocol buffer package. |
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proto/mysqlctl
Package mysqlctl is a generated protocol buffer package.
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Package mysqlctl is a generated protocol buffer package. |
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proto/query
Package query is a generated protocol buffer package.
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Package query is a generated protocol buffer package. |
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proto/queryservice
Package queryservice is a generated protocol buffer package.
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Package queryservice is a generated protocol buffer package. |
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proto/replicationdata
Package replicationdata is a generated protocol buffer package.
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Package replicationdata is a generated protocol buffer package. |
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proto/tableacl
Package tableacl is a generated protocol buffer package.
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Package tableacl is a generated protocol buffer package. |
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proto/tabletmanagerdata
Package tabletmanagerdata is a generated protocol buffer package.
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Package tabletmanagerdata is a generated protocol buffer package. |
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proto/tabletmanagerservice
Package tabletmanagerservice is a generated protocol buffer package.
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Package tabletmanagerservice is a generated protocol buffer package. |
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proto/topodata
Package topodata is a generated protocol buffer package.
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Package topodata is a generated protocol buffer package. |
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proto/vtctldata
Package vtctldata is a generated protocol buffer package.
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Package vtctldata is a generated protocol buffer package. |
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proto/vtctlservice
Package vtctlservice is a generated protocol buffer package.
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Package vtctlservice is a generated protocol buffer package. |
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proto/vtgate
Package vtgate is a generated protocol buffer package.
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Package vtgate is a generated protocol buffer package. |
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proto/vtgateservice
Package vtgateservice is a generated protocol buffer package.
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Package vtgateservice is a generated protocol buffer package. |
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proto/vtrpc
Package vtrpc is a generated protocol buffer package.
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Package vtrpc is a generated protocol buffer package. |
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proto/vtworkerdata
Package vtworkerdata is a generated protocol buffer package.
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Package vtworkerdata is a generated protocol buffer package. |
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proto/vtworkerservice
Package vtworkerservice is a generated protocol buffer package.
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Package vtworkerservice is a generated protocol buffer package. |
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rpc
Package rpc contains RPC-related structs shared between many components.
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Package rpc contains RPC-related structs shared between many components. |
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sqlannotation
Package sqlannotation provides functions for annotating DML statements with keyspace-id comments and parsing them.
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Package sqlannotation provides functions for annotating DML statements with keyspace-id comments and parsing them. |
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status
Package status defines a few useful functions for our binaries, mainly to link the status page with a vtctld instance.
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Package status defines a few useful functions for our binaries, mainly to link the status page with a vtctld instance. |
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tabletmanager
Package tabletmanager exports the ActionAgent object.
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Package tabletmanager exports the ActionAgent object. |
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tabletmanager/events
Package events contains event structs used by the tabletmanager package.
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Package events contains event structs used by the tabletmanager package. |
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tabletserver/customrule/filecustomrule
Package filecustomrule implements static custom rule from a config file
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Package filecustomrule implements static custom rule from a config file |
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tabletserver/endtoend
Package endtoend is a test-only package.
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Package endtoend is a test-only package. |
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tabletserver/fakecacheservice
Package fakecacheservice provides a fake implementation of cacheservice.CacheService
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Package fakecacheservice provides a fake implementation of cacheservice.CacheService |
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tabletserver/queryservice
Package queryservice contains the interface for the service definition of the Query Service.
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Package queryservice contains the interface for the service definition of the Query Service. |
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tabletserver/tabletconntest
Package tabletconntest provides the test methods to make sure a tabletconn/queryservice pair over RPC works correctly.
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Package tabletconntest provides the test methods to make sure a tabletconn/queryservice pair over RPC works correctly. |
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tabletserver/tabletservermock
Package tabletservermock provides mock interfaces for tabletserver.
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Package tabletservermock provides mock interfaces for tabletserver. |
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topo/events
Package events defines the structures used for events relating directly to individual topology elements, like keyspaces, shards, and tablets.
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Package events defines the structures used for events relating directly to individual topology elements, like keyspaces, shards, and tablets. |
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topo/helpers
Package helpers contains a few utility classes to handle topo.Server objects, and transitions from one topo implementation to another.
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Package helpers contains a few utility classes to handle topo.Server objects, and transitions from one topo implementation to another. |
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topo/test
Package test contains utilities to test topo.Impl implementations.
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Package test contains utilities to test topo.Impl implementations. |
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topo/test/faketopo
Package faketopo contains utitlities for tests that have to interact with a Vitess topology.
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Package faketopo contains utitlities for tests that have to interact with a Vitess topology. |
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topo/topoproto
Package topoproto contains utility functions to deal with the proto3 structures defined in proto/topodata.
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Package topoproto contains utility functions to deal with the proto3 structures defined in proto/topodata. |
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topotools
Package topotools contains high level functions based on vt/topo and vt/actionnode.
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Package topotools contains high level functions based on vt/topo and vt/actionnode. |
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topotools/events
Package events defines the structures used for events dispatched from the wrangler package.
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Package events defines the structures used for events dispatched from the wrangler package. |
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vtctl/fakevtctlclient
Package fakevtctlclient contains a fake for the vtctlclient interface.
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Package fakevtctlclient contains a fake for the vtctlclient interface. |
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vtctl/gorpcproto
Package gorpcproto contains the Go RPC definitions of the structures used to execute remote vtctl commands.
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Package gorpcproto contains the Go RPC definitions of the structures used to execute remote vtctl commands. |
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vtctl/gorpcvtctlclient
Package gorpcvtctlclient contains the go rpc version of the vtctl client protocol
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Package gorpcvtctlclient contains the go rpc version of the vtctl client protocol |
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vtctl/gorpcvtctlserver
Package gorpcvtctlserver contains the Go RPC implementation of the server side of the remote execution of vtctl commands.
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Package gorpcvtctlserver contains the Go RPC implementation of the server side of the remote execution of vtctl commands. |
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vtctl/grpcvtctlclient
Package grpcvtctlclient contains the gRPC version of the vtctl client protocol
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Package grpcvtctlclient contains the gRPC version of the vtctl client protocol |
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vtctl/grpcvtctlserver
Package grpcvtctlserver contains the gRPC implementation of the server side of the remote execution of vtctl commands.
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Package grpcvtctlserver contains the gRPC implementation of the server side of the remote execution of vtctl commands. |
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vtctl/vtctlclient
Package vtctlclient contains the generic client side of the remote vtctl protocol.
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Package vtctlclient contains the generic client side of the remote vtctl protocol. |
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vtctl/vtctlclienttest
Package vtctlclienttest provides testing library for vtctl implementations to use in their tests.
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Package vtctlclienttest provides testing library for vtctl implementations to use in their tests. |
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vterrors
Package vterrors provides helpers for propagating internal errors through the Vitess system (including across RPC boundaries) in a structured way.
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Package vterrors provides helpers for propagating internal errors through the Vitess system (including across RPC boundaries) in a structured way. |
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vtgate
Package vtgate provides query routing rpc services for vttablets.
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Package vtgate provides query routing rpc services for vttablets. |
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vtgate/bsonp3vtgateconn
Package bsonp3vtgateconn provides go rpc connectivity for VTGate, with BSON-encoded proto3 structs.
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Package bsonp3vtgateconn provides go rpc connectivity for VTGate, with BSON-encoded proto3 structs. |
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vtgate/bsonp3vtgateservice
Package bsonp3vtgateservice provides to go rpc glue for vtgate, with BSON-encoded proto3 structs.
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Package bsonp3vtgateservice provides to go rpc glue for vtgate, with BSON-encoded proto3 structs. |
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vtgate/fakerpcvtgateconn
Package fakerpcvtgateconn provides a fake implementation of vtgateconn.Impl that doesn't do any RPC, but uses a local map to return results.
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Package fakerpcvtgateconn provides a fake implementation of vtgateconn.Impl that doesn't do any RPC, but uses a local map to return results. |
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vtgate/gorpcvtgateconn
Package gorpcvtgateconn provides go rpc connectivity for VTGate.
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Package gorpcvtgateconn provides go rpc connectivity for VTGate. |
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vtgate/gorpcvtgateservice
Package gorpcvtgateservice provides to go rpc glue for vtgate
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Package gorpcvtgateservice provides to go rpc glue for vtgate |
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vtgate/grpcvtgateconn
Package grpcvtgateconn provides gRPC connectivity for VTGate.
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Package grpcvtgateconn provides gRPC connectivity for VTGate. |
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vtgate/grpcvtgateservice
Package grpcvtgateservice provides the gRPC glue for vtgate
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Package grpcvtgateservice provides the gRPC glue for vtgate |
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vtgate/vtgateconntest
Package vtgateconntest provides the test methods to make sure a vtgateconn/vtgateservice pair over RPC works correctly.
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Package vtgateconntest provides the test methods to make sure a vtgateconn/vtgateservice pair over RPC works correctly. |
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vtgate/vtgateservice
Package vtgateservice provides to interface definition for the vtgate service
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Package vtgateservice provides to interface definition for the vtgate service |
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vttest
Package vttest provides the functionality to bring up a test cluster.
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Package vttest provides the functionality to bring up a test cluster. |
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vttest/fakesqldb
Package fakesqldb provides a fake implementation of sqldb.Conn
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Package fakesqldb provides a fake implementation of sqldb.Conn |
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worker
Package worker contains the framework, utility methods and core functions for long running actions.
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Package worker contains the framework, utility methods and core functions for long running actions. |
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worker/fakevtworkerclient
Package fakevtworkerclient contains a fake for the vtworkerclient interface.
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Package fakevtworkerclient contains a fake for the vtworkerclient interface. |
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worker/grpcvtworkerclient
Package grpcvtworkerclient contains the gRPC version of the vtworker client protocol.
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Package grpcvtworkerclient contains the gRPC version of the vtworker client protocol. |
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worker/grpcvtworkerserver
Package grpcvtworkerserver contains the gRPC implementation of the server side of the remote execution of vtworker commands.
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Package grpcvtworkerserver contains the gRPC implementation of the server side of the remote execution of vtworker commands. |
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worker/vtworkerclient
Package vtworkerclient contains the generic client side of the remote vtworker protocol.
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Package vtworkerclient contains the generic client side of the remote vtworker protocol. |
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wrangler
Package wrangler contains the Wrangler object to manage complex topology actions.
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Package wrangler contains the Wrangler object to manage complex topology actions. |
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wrangler/testlib
Package testlib contains utility methods to include in unit tests to deal with topology common tasks, like fake tablets and action loops.
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Package testlib contains utility methods to include in unit tests to deal with topology common tasks, like fake tablets and action loops. |
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Package zk emulates a "global" namespace across n zk quorums.
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Package zk emulates a "global" namespace across n zk quorums. |
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fakezk
Package fakezk is a pretty complete mock implementation of a Zookeper connection (see go/zk/zk.Conn).
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Package fakezk is a pretty complete mock implementation of a Zookeper connection (see go/zk/zk.Conn). |
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zkns/pdns
Package pdns provides code to be used with PowerDNS (pdns) as a "pipe backend" CoProcess.
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Package pdns provides code to be used with PowerDNS (pdns) as a "pipe backend" CoProcess. |
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