86 lines
2.2 KiB
Go
86 lines
2.2 KiB
Go
package main
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import (
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"context"
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"fmt"
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"log/slog"
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"os"
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"path/filepath"
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"sort"
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"strings"
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"github.com/easyai/easyai-ai-gateway/apps/api/internal/config"
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"github.com/jackc/pgx/v5"
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)
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func main() {
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cfg := config.Load()
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logger := slog.New(slog.NewTextHandler(os.Stdout, nil))
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ctx := context.Background()
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conn, err := pgx.Connect(ctx, cfg.DatabaseURL)
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if err != nil {
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logger.Error("connect postgres failed", "error", err)
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os.Exit(1)
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}
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defer conn.Close(ctx)
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if _, err := conn.Exec(ctx, `
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CREATE TABLE IF NOT EXISTS schema_migrations (
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version text PRIMARY KEY,
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applied_at timestamptz NOT NULL DEFAULT now()
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);`); err != nil {
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logger.Error("ensure schema_migrations failed", "error", err)
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os.Exit(1)
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}
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files, err := filepath.Glob("migrations/*.sql")
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if err != nil {
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logger.Error("read migrations failed", "error", err)
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os.Exit(1)
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}
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sort.Strings(files)
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for _, file := range files {
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version := strings.TrimSuffix(filepath.Base(file), filepath.Ext(file))
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var exists bool
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if err := conn.QueryRow(ctx, "SELECT EXISTS (SELECT 1 FROM schema_migrations WHERE version=$1)", version).Scan(&exists); err != nil {
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logger.Error("check migration failed", "version", version, "error", err)
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os.Exit(1)
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}
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if exists {
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logger.Info("migration skipped", "version", version)
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continue
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}
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sqlBytes, err := os.ReadFile(file)
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if err != nil {
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logger.Error("read migration file failed", "file", file, "error", err)
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os.Exit(1)
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}
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tx, err := conn.Begin(ctx)
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if err != nil {
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logger.Error("begin migration failed", "version", version, "error", err)
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os.Exit(1)
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}
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if _, err := tx.Exec(ctx, string(sqlBytes)); err != nil {
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_ = tx.Rollback(ctx)
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logger.Error("execute migration failed", "version", version, "error", err)
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os.Exit(1)
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}
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if _, err := tx.Exec(ctx, "INSERT INTO schema_migrations(version) VALUES($1)", version); err != nil {
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_ = tx.Rollback(ctx)
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logger.Error("record migration failed", "version", version, "error", err)
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os.Exit(1)
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}
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if err := tx.Commit(ctx); err != nil {
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logger.Error("commit migration failed", "version", version, "error", err)
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os.Exit(1)
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}
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logger.Info("migration applied", "version", version)
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}
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fmt.Println("migrations complete")
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}
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