You can not select more than 25 topics
			Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
		
		
		
		
		
			
		
			
				
					
					
						
							129 lines
						
					
					
						
							3.6 KiB
						
					
					
				
			
		
		
		
			
			
			
		
		
	
	
							129 lines
						
					
					
						
							3.6 KiB
						
					
					
				| package mysql | |
| 
 | |
| import ( | |
| 	"crypto/tls" | |
| 	"crypto/x509" | |
| 	"database/sql" | |
| 	"fmt" | |
| 	"github.com/go-sql-driver/mysql" | |
| 	"os" | |
| 	"strings" | |
| 	"time" | |
| 
 | |
| 	"github.com/seaweedfs/seaweedfs/weed/filer" | |
| 
 | |
| 	_ "github.com/go-sql-driver/mysql" | |
| 	"github.com/seaweedfs/seaweedfs/weed/filer/abstract_sql" | |
| 	"github.com/seaweedfs/seaweedfs/weed/util" | |
| ) | |
| 
 | |
| const ( | |
| 	CONNECTION_URL_PATTERN     = "%s:%s@tcp(%s:%d)/%s?collation=utf8mb4_bin" | |
| 	CONNECTION_TLS_URL_PATTERN = "%s:%s@tcp(%s:%d)/%s?collation=utf8mb4_bin&tls=mysql-tls" | |
| ) | |
| 
 | |
| func init() { | |
| 	filer.Stores = append(filer.Stores, &MysqlStore{}) | |
| } | |
| 
 | |
| type MysqlStore struct { | |
| 	abstract_sql.AbstractSqlStore | |
| } | |
| 
 | |
| func (store *MysqlStore) GetName() string { | |
| 	return "mysql" | |
| } | |
| 
 | |
| func (store *MysqlStore) Initialize(configuration util.Configuration, prefix string) (err error) { | |
| 	return store.initialize( | |
| 		configuration.GetString(prefix+"dsn"), | |
| 		configuration.GetString(prefix+"upsertQuery"), | |
| 		configuration.GetBool(prefix+"enableUpsert"), | |
| 		configuration.GetString(prefix+"username"), | |
| 		configuration.GetString(prefix+"password"), | |
| 		configuration.GetString(prefix+"hostname"), | |
| 		configuration.GetInt(prefix+"port"), | |
| 		configuration.GetString(prefix+"database"), | |
| 		configuration.GetInt(prefix+"connection_max_idle"), | |
| 		configuration.GetInt(prefix+"connection_max_open"), | |
| 		configuration.GetInt(prefix+"connection_max_lifetime_seconds"), | |
| 		configuration.GetBool(prefix+"interpolateParams"), | |
| 		configuration.GetBool(prefix+"enable_tls"), | |
| 		configuration.GetString(prefix+"ca_crt"), | |
| 		configuration.GetString(prefix+"client_crt"), | |
| 		configuration.GetString(prefix+"client_key"), | |
| 	) | |
| } | |
| 
 | |
| func (store *MysqlStore) initialize(dsn string, upsertQuery string, enableUpsert bool, user, password, hostname string, port int, database string, maxIdle, maxOpen, | |
| 	maxLifetimeSeconds int, interpolateParams bool, enableTls bool, caCrtDir string, clientCrtDir string, clientKeyDir string) (err error) { | |
| 
 | |
| 	store.SupportBucketTable = false | |
| 	if !enableUpsert { | |
| 		upsertQuery = "" | |
| 	} | |
| 	store.SqlGenerator = &SqlGenMysql{ | |
| 		CreateTableSqlTemplate: "", | |
| 		DropTableSqlTemplate:   "DROP TABLE `%s`", | |
| 		UpsertQueryTemplate:    upsertQuery, | |
| 	} | |
| 
 | |
| 	if enableTls { | |
| 		rootCertPool := x509.NewCertPool() | |
| 		pem, err := os.ReadFile(caCrtDir) | |
| 		if err != nil { | |
| 			return err | |
| 		} | |
| 		if ok := rootCertPool.AppendCertsFromPEM(pem); !ok { | |
| 			return fmt.Errorf("failed to append root certificate") | |
| 		} | |
| 
 | |
| 		clientCert := make([]tls.Certificate, 0) | |
| 		if cert, err := tls.LoadX509KeyPair(clientCrtDir, clientKeyDir); err == nil { | |
| 			clientCert = append(clientCert, cert) | |
| 		} | |
| 
 | |
| 		tlsConfig := &tls.Config{ | |
| 			RootCAs:      rootCertPool, | |
| 			Certificates: clientCert, | |
| 			MinVersion:   tls.VersionTLS12, | |
| 		} | |
| 		err = mysql.RegisterTLSConfig("mysql-tls", tlsConfig) | |
| 		if err != nil { | |
| 			return err | |
| 		} | |
| 	} | |
| 
 | |
| 	if dsn == "" { | |
| 		pattern := CONNECTION_URL_PATTERN | |
| 		if enableTls { | |
| 			pattern = CONNECTION_TLS_URL_PATTERN | |
| 		} | |
| 		dsn = fmt.Sprintf(pattern, user, password, hostname, port, database) | |
| 		if interpolateParams { | |
| 			dsn += "&interpolateParams=true" | |
| 		} | |
| 	} | |
| 	cfg, err := mysql.ParseDSN(dsn) | |
| 	if err != nil { | |
| 		return fmt.Errorf("can not parse DSN error:%v", err) | |
| 	} | |
| 
 | |
| 	var dbErr error | |
| 	store.DB, dbErr = sql.Open("mysql", dsn) | |
| 	if dbErr != nil { | |
| 		store.DB.Close() | |
| 		store.DB = nil | |
| 		return fmt.Errorf("can not connect to %s error:%v", strings.ReplaceAll(dsn, cfg.Passwd, "<ADAPTED>"), err) | |
| 	} | |
| 
 | |
| 	store.DB.SetMaxIdleConns(maxIdle) | |
| 	store.DB.SetMaxOpenConns(maxOpen) | |
| 	store.DB.SetConnMaxLifetime(time.Duration(maxLifetimeSeconds) * time.Second) | |
| 
 | |
| 	if err = store.DB.Ping(); err != nil { | |
| 		return fmt.Errorf("connect to %s error:%v", strings.ReplaceAll(dsn, cfg.Passwd, "<ADAPTED>"), err) | |
| 	} | |
| 
 | |
| 	return nil | |
| }
 |