yangy
47 lines
937 B
Go
47 lines
937 B
Go
package database
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import (
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"context"
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"database/sql"
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"fmt"
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"time"
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_ "github.com/go-sql-driver/mysql"
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"github.com/go-sql-driver/mysql"
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"github.com/luxsin/app-api/internal/config"
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)
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func Open(cfg config.DatabaseConfig) (*sql.DB, error) {
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mc := mysql.Config{
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User: cfg.User,
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Passwd: cfg.Password,
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Net: "tcp",
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Addr: fmt.Sprintf("%s:%d", cfg.Host, cfg.Port),
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DBName: cfg.Name,
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Params: map[string]string{
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"charset": "utf8mb4",
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"parseTime": "True",
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"loc": "Local",
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},
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}
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db, err := sql.Open("mysql", mc.FormatDSN())
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if err != nil {
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return nil, fmt.Errorf("open mysql: %w", err)
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}
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db.SetMaxOpenConns(25)
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db.SetMaxIdleConns(5)
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db.SetConnMaxLifetime(5 * time.Minute)
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ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
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defer cancel()
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if err := db.PingContext(ctx); err != nil {
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_ = db.Close()
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return nil, fmt.Errorf("ping mysql: %w", err)
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}
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return db, nil
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}
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