71 lines
2.0 KiB
Go
71 lines
2.0 KiB
Go
package app
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import (
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"encoding/json"
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"fmt"
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"os"
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"strings"
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"time"
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)
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func saveRoutesClearCache() (routesClearCacheMeta, error) {
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if err := os.MkdirAll(stateDir, 0o755); err != nil {
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return routesClearCacheMeta{}, err
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}
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routes, err := readCurrentRoutesTableLines()
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if err != nil {
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return routesClearCacheMeta{}, err
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}
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if err := writeLinesFile(routesCacheRT, routes); err != nil {
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return routesClearCacheMeta{}, err
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}
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var warns []string
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ipCount, err := snapshotNftSetToFile("agvpn4", routesCacheIPs)
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if err != nil {
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warns = append(warns, fmt.Sprintf("agvpn4 snapshot failed: %v", err))
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_ = cacheCopyOrEmpty(stateDir+"/last-ips.txt", routesCacheIPs)
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ipCount = len(readNonEmptyLines(routesCacheIPs))
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}
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dynIPCount, err := snapshotNftSetToFile("agvpn_dyn4", routesCacheDyn)
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if err != nil {
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warns = append(warns, fmt.Sprintf("agvpn_dyn4 snapshot failed: %v", err))
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_ = os.WriteFile(routesCacheDyn, []byte{}, 0o644)
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dynIPCount = 0
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}
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if err := cacheCopyOrEmpty(stateDir+"/last-ips-map.txt", routesCacheMap); err != nil {
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warns = append(warns, fmt.Sprintf("last-ips-map cache copy failed: %v", err))
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}
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if err := cacheCopyOrEmpty(lastIPsMapDirect, routesCacheMapD); err != nil {
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warns = append(warns, fmt.Sprintf("last-ips-map-direct cache copy failed: %v", err))
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}
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if err := cacheCopyOrEmpty(lastIPsMapDyn, routesCacheMapW); err != nil {
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warns = append(warns, fmt.Sprintf("last-ips-map-wildcard cache copy failed: %v", err))
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}
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meta := routesClearCacheMeta{
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CreatedAt: time.Now().UTC().Format(time.RFC3339),
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Iface: detectIfaceFromRoutes(routes),
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RouteCount: len(routes),
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IPCount: ipCount,
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DynIPCount: dynIPCount,
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HasIPMap: fileExists(routesCacheMap),
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}
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data, err := json.MarshalIndent(meta, "", " ")
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if err != nil {
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return routesClearCacheMeta{}, err
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}
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if err := os.WriteFile(routesCacheMeta, data, 0o644); err != nil {
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return routesClearCacheMeta{}, err
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}
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if len(warns) > 0 {
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return meta, fmt.Errorf("%s", strings.Join(warns, "; "))
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}
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return meta, nil
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}
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