Files
geoip-rest/cmd/user_program_import/main.go
2025-12-10 11:53:48 +09:00

76 lines
2.0 KiB
Go

package main
import (
"context"
"fmt"
"log"
"os"
"time"
"github.com/jackc/pgx/v5"
"geoip-rest/internal/importer"
)
const (
defaultCSVPath = "/initial_data/user_program_info_init_20251208.csv"
defaultUpdateDir = "/update_data"
defaultTimeout = 10 * time.Minute
defaultSchema = "public"
defaultLogDir = "/log"
targetTableName = "user_program_info_replica"
)
func main() {
dbURL, err := databaseURL()
if err != nil {
log.Fatalf("database config: %v", err)
}
csvPath := env("USER_PROGRAM_INFO_CSV", defaultCSVPath)
updateDir := env("USER_PROGRAM_UPDATE_DIR", defaultUpdateDir)
schema := env("USER_PROGRAM_INFO_SCHEMA", env("POSTGRES_SCHEMA", defaultSchema))
logDir := env("USER_PROGRAM_IMPORT_LOG_DIR", defaultLogDir)
ctx, cancel := context.WithTimeout(context.Background(), defaultTimeout)
defer cancel()
conn, err := pgx.Connect(ctx, dbURL)
if err != nil {
log.Fatalf("failed to connect to database: %v", err)
}
defer conn.Close(context.Background())
if err := importer.EnsureUserProgramReplica(ctx, conn, csvPath, schema, logDir); err != nil {
log.Fatalf("failed to ensure %s table: %v", targetTableName, err)
}
if err := importer.ImportUserProgramUpdates(ctx, conn, updateDir, schema, logDir); err != nil {
log.Fatalf("failed to import updates from %s: %v", updateDir, err)
}
log.Printf("%s is ready in schema %s using data from %s (updates: %s)", targetTableName, schema, csvPath, updateDir)
}
func env(key, fallback string) string {
if val := os.Getenv(key); val != "" {
return val
}
return fallback
}
func databaseURL() (string, error) {
if url := os.Getenv("DATABASE_URL"); url != "" {
return url, nil
}
user := os.Getenv("POSTGRES_USER")
pass := os.Getenv("POSTGRES_PASSWORD")
host := env("POSTGRES_HOST", "localhost")
port := env("POSTGRES_PORT", "5432")
db := os.Getenv("POSTGRES_DB")
if user == "" || pass == "" || db == "" {
return "", fmt.Errorf("DATABASE_URL or POSTGRES_{USER,PASSWORD,DB} is required")
}
return fmt.Sprintf("postgres://%s:%s@%s:%s/%s?sslmode=disable", user, pass, host, port, db), nil
}