Merged in feature/serviceconfig-integration (pull request #38)

DRAFT PR : WIP working through ideas for integration * movearound * attempttwo * openapi * further sanding * fix * start on tests * runthroughsingleconfig * somechanges * reflectissue * removeerrs * mostlyremovepanic * removeenv * noncfgtests * go * repo * fix service config test * add PWD to all * test fix * fix lint * todo for later * passingunittests * alltests * testlogger * testloggername * clean
2025-01-31 13:43:55 +00:00
parent 058f8dba7f
commit 15adaebfcd
138 changed files with 1864 additions and 1695 deletions
@@ -0,0 +1,69 @@
+package migrations
+
+import (
+	"context"
+	"database/sql"
+	"fmt"
+	"log/slog"
+	"path"
+	"queryorchestration/internal/serviceconfig"
+
+	"github.com/golang-migrate/migrate/v4"
+	_ "github.com/golang-migrate/migrate/v4/database/postgres"
+	_ "github.com/golang-migrate/migrate/v4/source/file"
+	_ "github.com/lib/pq"
+)
+
+func createDB(cfg serviceconfig.ConfigProvider) error {
+	connStr := fmt.Sprintf("%s?%s", cfg.GetDBBaseURI(), cfg.GetDBOptsString())
+
+	db, err := sql.Open(cfg.GetDBDriver(), connStr)
+	if err != nil {
+		return fmt.Errorf("error opening database: %v", err)
+	}
+
+	err = db.Ping()
+	if err != nil {
+		return fmt.Errorf("error pinging database: %v", err)
+	}
+
+	rs, err := db.Query(fmt.Sprintf("SELECT 'CREATE DATABASE %s' WHERE NOT EXISTS (SELECT FROM pg_database WHERE datname = '%s')", cfg.GetDBName(), cfg.GetDBName()))
+	if err != nil {
+		return fmt.Errorf("error creating database: %v", err)
+	}
+
+	if !rs.Next() {
+		slog.Info("database created", "name", cfg.GetDBName())
+	} else {
+		slog.Info("database already exists", "name", cfg.GetDBName())
+	}
+
+	return nil
+}
+
+func Run(ctx context.Context, cfg serviceconfig.ConfigProvider) error {
+	err := createDB(cfg)
+	if err != nil {
+		return err
+	}
+
+	migPath := "file://" + path.Join(cfg.GetBasePath(), "database/migrations")
+	m, err := migrate.New(
+		migPath,
+		cfg.GetDBURI(),
+	)
+	if err != nil {
+		return fmt.Errorf("failed to create migrate instance: %v", err)
+	}
+
+	err = m.Up()
+	if err == migrate.ErrNoChange {
+		slog.Info("No migration changes required")
+	} else if err != nil {
+		return fmt.Errorf("failed to apply migrations: %v", err)
+	} else {
+		slog.Info("Migrations applied successfully!")
+	}
+
+	return nil
+}