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129 lines
3.6 KiB
129 lines
3.6 KiB
package mysql
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import (
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"crypto/tls"
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"crypto/x509"
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"database/sql"
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"fmt"
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"github.com/go-sql-driver/mysql"
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"os"
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"strings"
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"time"
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"github.com/seaweedfs/seaweedfs/weed/filer"
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_ "github.com/go-sql-driver/mysql"
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"github.com/seaweedfs/seaweedfs/weed/filer/abstract_sql"
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"github.com/seaweedfs/seaweedfs/weed/util"
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)
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const (
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CONNECTION_URL_PATTERN = "%s:%s@tcp(%s:%d)/%s?collation=utf8mb4_bin"
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CONNECTION_TLS_URL_PATTERN = "%s:%s@tcp(%s:%d)/%s?collation=utf8mb4_bin&tls=mysql-tls"
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)
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func init() {
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filer.Stores = append(filer.Stores, &MysqlStore{})
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}
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type MysqlStore struct {
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abstract_sql.AbstractSqlStore
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}
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func (store *MysqlStore) GetName() string {
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return "mysql"
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}
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func (store *MysqlStore) Initialize(configuration util.Configuration, prefix string) (err error) {
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return store.initialize(
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configuration.GetString(prefix+"dsn"),
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configuration.GetString(prefix+"upsertQuery"),
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configuration.GetBool(prefix+"enableUpsert"),
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configuration.GetString(prefix+"username"),
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configuration.GetString(prefix+"password"),
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configuration.GetString(prefix+"hostname"),
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configuration.GetInt(prefix+"port"),
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configuration.GetString(prefix+"database"),
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configuration.GetInt(prefix+"connection_max_idle"),
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configuration.GetInt(prefix+"connection_max_open"),
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configuration.GetInt(prefix+"connection_max_lifetime_seconds"),
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configuration.GetBool(prefix+"interpolateParams"),
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configuration.GetBool(prefix+"enable_tls"),
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configuration.GetString(prefix+"ca_crt"),
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configuration.GetString(prefix+"client_crt"),
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configuration.GetString(prefix+"client_key"),
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)
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}
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func (store *MysqlStore) initialize(dsn string, upsertQuery string, enableUpsert bool, user, password, hostname string, port int, database string, maxIdle, maxOpen,
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maxLifetimeSeconds int, interpolateParams bool, enableTls bool, caCrtDir string, clientCrtDir string, clientKeyDir string) (err error) {
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store.SupportBucketTable = false
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if !enableUpsert {
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upsertQuery = ""
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}
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store.SqlGenerator = &SqlGenMysql{
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CreateTableSqlTemplate: "",
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DropTableSqlTemplate: "DROP TABLE `%s`",
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UpsertQueryTemplate: upsertQuery,
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}
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if enableTls {
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rootCertPool := x509.NewCertPool()
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pem, err := os.ReadFile(caCrtDir)
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if err != nil {
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return err
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}
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if ok := rootCertPool.AppendCertsFromPEM(pem); !ok {
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return fmt.Errorf("failed to append root certificate")
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}
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clientCert := make([]tls.Certificate, 0)
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if cert, err := tls.LoadX509KeyPair(clientCrtDir, clientKeyDir); err == nil {
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clientCert = append(clientCert, cert)
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}
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tlsConfig := &tls.Config{
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RootCAs: rootCertPool,
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Certificates: clientCert,
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MinVersion: tls.VersionTLS12,
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}
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err = mysql.RegisterTLSConfig("mysql-tls", tlsConfig)
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if err != nil {
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return err
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}
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}
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if dsn == "" {
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pattern := CONNECTION_URL_PATTERN
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if enableTls {
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pattern = CONNECTION_TLS_URL_PATTERN
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}
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dsn = fmt.Sprintf(pattern, user, password, hostname, port, database)
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if interpolateParams {
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dsn += "&interpolateParams=true"
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}
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}
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cfg, err := mysql.ParseDSN(dsn)
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if err != nil {
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return fmt.Errorf("can not parse DSN error:%w", err)
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}
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var dbErr error
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store.DB, dbErr = sql.Open("mysql", dsn)
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if dbErr != nil {
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store.DB.Close()
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store.DB = nil
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return fmt.Errorf("can not connect to %s error:%v", strings.ReplaceAll(dsn, cfg.Passwd, "<ADAPTED>"), err)
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}
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store.DB.SetMaxIdleConns(maxIdle)
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store.DB.SetMaxOpenConns(maxOpen)
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store.DB.SetConnMaxLifetime(time.Duration(maxLifetimeSeconds) * time.Second)
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if err = store.DB.Ping(); err != nil {
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return fmt.Errorf("connect to %s error:%v", strings.ReplaceAll(dsn, cfg.Passwd, "<ADAPTED>"), err)
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}
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return nil
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}
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