Michael McGuinness
7001ca854c
Queuing Changes and Cfg Testing * staarting * staarting * startedpush * note * save * mocking * removederrs * fixtests * cleanuperrs * newenvsetup * preppingtests * queue * mmovetocfgpassunittests * sortoutconfig * passinginteg * deps * fixtests
71 lines
1.7 KiB
Go
71 lines
1.7 KiB
Go
package migrations
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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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"log/slog"
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"path"
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"queryorchestration/internal/serviceconfig"
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"queryorchestration/internal/serviceconfig/database"
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"github.com/golang-migrate/migrate/v4"
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_ "github.com/golang-migrate/migrate/v4/database/postgres"
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_ "github.com/golang-migrate/migrate/v4/source/file"
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_ "github.com/lib/pq"
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)
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func createDB(cfg database.ConfigProvider) error {
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connStr := fmt.Sprintf("%s?%s", cfg.GetDBBaseURI(), cfg.GetDBOptsString())
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db, err := sql.Open(cfg.GetDBDriver(), connStr)
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if err != nil {
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return fmt.Errorf("error opening database: %v", err)
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}
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err = db.Ping()
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if err != nil {
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return fmt.Errorf("error pinging database: %v", err)
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}
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rs, err := db.Query(fmt.Sprintf("SELECT 'CREATE DATABASE %s' WHERE NOT EXISTS (SELECT FROM pg_database WHERE datname = '%s')", cfg.GetDBName(), cfg.GetDBName()))
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if err != nil {
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return fmt.Errorf("error creating database: %v", err)
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}
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if rs.Next() {
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slog.Info("database created", "name", cfg.GetDBName())
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} else {
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slog.Info("database already exists", "name", cfg.GetDBName())
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}
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return nil
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}
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func Run(ctx context.Context, cfg serviceconfig.ConfigProvider) error {
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err := createDB(cfg)
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if err != nil {
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return err
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}
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migPath := "file://" + path.Join(cfg.GetBasePath(), "database/migrations")
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m, err := migrate.New(
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migPath,
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cfg.GetDBURI(),
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)
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if err != nil {
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return fmt.Errorf("failed to create migrate instance: %v", err)
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}
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err = m.Up()
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if err == migrate.ErrNoChange {
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slog.Info("No migration changes required")
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} else if err != nil {
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return fmt.Errorf("failed to apply migrations: %v", err)
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} else {
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slog.Info("Migrations applied successfully!")
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}
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return nil
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}
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