67 lines
1.7 KiB
Go
67 lines
1.7 KiB
Go
package dbsetup
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import (
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"io/fs"
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"github.com/jmoiron/sqlx"
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"github.com/pressly/goose/v3"
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"github.com/uptrace/opentelemetry-go-extra/otelsqlx"
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)
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type DatabaseConfig struct {
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DatabaseURL string `name:"postgres-url" env:"POSTGRES_URL" help:"URL to use to connect to Postgres" default:"postgres://postgres:postgres@:5432/postgres?sslmode=disable"`
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DatabaseDriverName string `name:"db-driver" env:"DB_DRIVER" help:"Driver to use to connect to db" default:"postgres"`
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MaxOpenConnections int `name:"max-open-connections" env:"DB_MAX_CONNECTIONS" help:"Max open connections to db" default:"50"`
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}
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type Database struct {
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cfg DatabaseConfig
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}
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func SetupDB(cfg DatabaseConfig) (*Database, error) {
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db, err := sqlx.Connect(cfg.DatabaseDriverName, cfg.DatabaseURL)
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if err != nil {
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return nil, err
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}
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if err := db.Close(); err != nil {
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return nil, err
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}
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return &Database{
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cfg: cfg,
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}, nil
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}
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func (d *Database) Connect() (*sqlx.DB, error) {
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db, err := otelsqlx.Connect(d.cfg.DatabaseDriverName, d.cfg.DatabaseURL)
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if err != nil {
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return nil, err
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}
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db.SetMaxOpenConns(d.cfg.MaxOpenConnections)
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return db, nil
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}
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func (d *Database) RunMigrations(tableName, dir string, fs fs.FS) error {
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db, err := connect(d.cfg)
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if err != nil {
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return err
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}
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goose.SetTableName(tableName)
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goose.SetBaseFS(fs)
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if err := goose.SetDialect(d.gooseDriverName()); err != nil {
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return err
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}
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return goose.Up(db.DB, dir)
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}
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func (d *Database) gooseDriverName() string {
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if d.cfg.DatabaseDriverName == "sqlmock" {
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return "postgres"
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}
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return d.cfg.DatabaseDriverName
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}
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func connect(cfg DatabaseConfig) (*sqlx.DB, error) {
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return sqlx.Connect(cfg.DatabaseDriverName, cfg.DatabaseURL)
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}
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