gh-ost/vendor/github.com/siddontang/go-mysql/canal/config.go

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package canal
import (
"io/ioutil"
"math/rand"
"time"
"github.com/BurntSushi/toml"
"github.com/juju/errors"
"github.com/siddontang/go-mysql/mysql"
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)
type DumpConfig struct {
// mysqldump execution path, like mysqldump or /usr/bin/mysqldump, etc...
// If not set, ignore using mysqldump.
ExecutionPath string `toml:"mysqldump"`
// Will override Databases, tables is in database table_db
Tables []string `toml:"tables"`
TableDB string `toml:"table_db"`
Databases []string `toml:"dbs"`
// Ignore table format is db.table
IgnoreTables []string `toml:"ignore_tables"`
// Dump only selected records. Quotes are mandatory
Where string `toml:"where"`
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// If true, discard error msg, else, output to stderr
DiscardErr bool `toml:"discard_err"`
// Set true to skip --master-data if we have no privilege to do
// 'FLUSH TABLES WITH READ LOCK'
SkipMasterData bool `toml:"skip_master_data"`
// Set to change the default max_allowed_packet size
MaxAllowedPacketMB int `toml:"max_allowed_packet_mb"`
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}
type Config struct {
Addr string `toml:"addr"`
User string `toml:"user"`
Password string `toml:"password"`
Charset string `toml:"charset"`
ServerID uint32 `toml:"server_id"`
Flavor string `toml:"flavor"`
HeartbeatPeriod time.Duration `toml:"heartbeat_period"`
ReadTimeout time.Duration `toml:"read_timeout"`
// IncludeTableRegex or ExcludeTableRegex should contain database name
// Only a table which matches IncludeTableRegex and dismatches ExcludeTableRegex will be processed
// eg, IncludeTableRegex : [".*\\.canal"], ExcludeTableRegex : ["mysql\\..*"]
// this will include all database's 'canal' table, except database 'mysql'
// Default IncludeTableRegex and ExcludeTableRegex are empty, this will include all tables
IncludeTableRegex []string `toml:"include_table_regex"`
ExcludeTableRegex []string `toml:"exclude_table_regex"`
// discard row event without table meta
DiscardNoMetaRowEvent bool `toml:"discard_no_meta_row_event"`
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Dump DumpConfig `toml:"dump"`
UseDecimal bool `toml:"use_decimal"`
ParseTime bool `toml:"parse_time"`
// SemiSyncEnabled enables semi-sync or not.
SemiSyncEnabled bool `toml:"semi_sync_enabled"`
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}
func NewConfigWithFile(name string) (*Config, error) {
data, err := ioutil.ReadFile(name)
if err != nil {
return nil, errors.Trace(err)
}
return NewConfig(string(data))
}
func NewConfig(data string) (*Config, error) {
var c Config
_, err := toml.Decode(data, &c)
if err != nil {
return nil, errors.Trace(err)
}
return &c, nil
}
func NewDefaultConfig() *Config {
c := new(Config)
c.Addr = "127.0.0.1:3306"
c.User = "root"
c.Password = ""
c.Charset = mysql.DEFAULT_CHARSET
c.ServerID = uint32(rand.New(rand.NewSource(time.Now().Unix())).Intn(1000)) + 1001
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c.Flavor = "mysql"
c.Dump.ExecutionPath = "mysqldump"
c.Dump.DiscardErr = true
c.Dump.SkipMasterData = false
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return c
}