Files

125 lines
3.3 KiB
Go

package main
import (
"context"
"log"
"net/http"
"os"
"path/filepath"
"strconv"
"strings"
"time"
"map-asset-gateway/api-go/internal/basemap"
"map-asset-gateway/api-go/internal/basemapapi"
"map-asset-gateway/api-go/internal/config"
)
func main() {
cfg, err := config.Load()
if err != nil {
log.Fatalf("load config: %v", err)
}
store, err := basemap.OpenStore(basemap.StoreConfig{
SQLitePath: cfg.SQLitePath,
ScanRoot: cfg.BasemapScanRoot,
VectorScanRoot: cfg.VectorScanRoot,
APIBaseURL: cfg.APIBaseURL,
TileBaseURL: cfg.TilePublicBaseURL,
VectorBaseURL: cfg.VectorPublicBaseURL,
AutoScanOnStart: cfg.AutoScanOnStart,
})
if err != nil {
log.Fatalf("open sqlite store: %v", err)
}
defer func() {
if err := store.Close(); err != nil {
log.Printf("close store: %v", err)
}
}()
systemInfo := basemap.SystemInfo{
ServiceName: cfg.ServiceName,
ServiceVersion: cfg.ServiceVersion,
Commit: cfg.Commit,
Env: cfg.Env,
APIBaseURL: cfg.APIBaseURL,
TileBaseURL: cfg.TilePublicBaseURL,
VectorBaseURL: cfg.VectorPublicBaseURL,
SQLitePath: cfg.SQLitePath,
ScanRoot: cfg.BasemapScanRoot,
VectorScanRoot: cfg.VectorScanRoot,
StartedAt: time.Now().UTC(),
}
if cfg.AutoScanOnStart && strings.TrimSpace(cfg.BasemapScanRoot) != "" {
if _, err := store.RunScan(context.Background(), "local-basemaps"); err != nil {
log.Printf("startup scan skipped: %v", err)
} else {
log.Printf("startup scan completed for %s", cfg.BasemapScanRoot)
}
}
if cfg.AutoScanOnStart && strings.TrimSpace(cfg.VectorScanRoot) != "" {
if _, err := store.RunVectorScan(context.Background()); err != nil {
log.Printf("startup vector scan skipped: %v", err)
} else {
log.Printf("startup vector scan completed for %s", cfg.VectorScanRoot)
}
}
server, err := basemapapi.New(store, systemInfo)
if err != nil {
log.Fatalf("init api server: %v", err)
}
httpServer := &http.Server{
Addr: cfg.ListenAddr(),
Handler: server.Handler(),
ReadHeaderTimeout: 5 * time.Second,
}
cleanupPID, err := writePIDFile(strings.TrimSpace(os.Getenv("RS_API_PID_FILE")))
if err != nil {
log.Fatalf("write pid file: %v", err)
}
if cleanupPID != nil {
defer cleanupPID()
}
log.Printf("map asset gateway listening on http://%s", cfg.ListenAddr())
log.Printf("api base url: %s", cfg.APIBaseURL)
log.Printf("tile public base url: %s", cfg.TilePublicBaseURL)
log.Printf("vector public base url: %s", cfg.VectorPublicBaseURL)
log.Printf("sqlite path: %s", cfg.SQLitePath)
log.Printf("scan root: %s", cfg.BasemapScanRoot)
log.Printf("vector scan root: %s", cfg.VectorScanRoot)
if err := httpServer.ListenAndServe(); err != nil && err != http.ErrServerClosed {
log.Fatalf("listen and serve: %v", err)
}
}
func writePIDFile(path string) (func(), error) {
if path == "" {
return nil, nil
}
if err := os.MkdirAll(filepath.Dir(path), 0o755); err != nil {
return nil, err
}
pidText := strconv.Itoa(os.Getpid())
if err := os.WriteFile(path, []byte(pidText+"\n"), 0o644); err != nil {
return nil, err
}
cleanup := func() {
content, err := os.ReadFile(path)
if err != nil {
return
}
if strings.TrimSpace(string(content)) == pidText {
_ = os.Remove(path)
}
}
return cleanup, nil
}