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fix: improve discovery performance and reliability
Discovery Fixes: - Always update cache even when scan finds no servers (prevents stale data) - Remove automatic re-add of deleted nodes to discovery (was causing confusion) - Optimize Docker subnet scanning from 762 IPs to 254 IPs (3x faster) - Add getHostSubnetFromGateway() to detect host network from container Frontend Type Fixes: - Fix ThresholdsTable editScope type errors - Fix SnapshotAlertConfig index signature - Remove unused variable in Settings.tsx These changes make discovery faster, more reliable, and fix the issue where deleted nodes would persist in the discovery cache or immediately reappear.
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rcourtman
parent
2045bcfdd6
commit
b640347a78
9 changed files with 82 additions and 85 deletions
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frontend-modern/dist/assets/index-C-bZ849w.css
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frontend-modern/dist/assets/index-C-bZ849w.css
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frontend-modern/dist/index.html
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frontend-modern/dist/index.html
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@ -6,8 +6,8 @@
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<meta name="theme-color" content="#000000" />
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<link rel="icon" type="image/svg+xml" href="/logo.svg" />
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<title>Pulse</title>
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<script type="module" crossorigin src="/assets/index-BFQdFd5E.js"></script>
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<link rel="stylesheet" crossorigin href="/assets/index-VFB0BYLW.css">
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<script type="module" crossorigin src="/assets/index-BTYq3hC4.js"></script>
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<link rel="stylesheet" crossorigin href="/assets/index-C-bZ849w.css">
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</head>
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<body>
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<noscript>You need to enable JavaScript to run this app.</noscript>
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@ -69,7 +69,7 @@ export interface Resource {
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clusterName?: string;
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isClusterMember?: boolean;
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delaySeconds?: number;
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editScope?: 'snapshot';
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editScope?: 'snapshot' | 'backup';
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isEnabled?: boolean;
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toggleEnabled?: () => void;
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toggleTitleEnabled?: string;
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@ -821,6 +821,14 @@ const dockerContainersGroupedByHost = createMemo<Record<string, Resource[]>>((pr
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};
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});
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const snapshotFactoryDefaultsRecord = createMemo(() => {
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const factory = snapshotFactoryConfig();
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return {
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'warning days': factory.warningDays ?? DEFAULT_SNAPSHOT_WARNING,
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'critical days': factory.criticalDays ?? DEFAULT_SNAPSHOT_CRITICAL,
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};
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});
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const backupFactoryConfig = () =>
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props.backupFactoryDefaults ?? {
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enabled: false,
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@ -869,13 +877,13 @@ const dockerContainersGroupedByHost = createMemo<Record<string, Resource[]>>((pr
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};
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});
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const backupFactoryDefaultsRecord = createMemo(() => {
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const factory = backupFactoryConfig();
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return {
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'warning days': factory.warningDays ?? DEFAULT_BACKUP_WARNING,
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'critical days': factory.criticalDays ?? DEFAULT_BACKUP_CRITICAL,
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};
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});
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const backupFactoryDefaultsRecord = createMemo(() => {
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const factory = backupFactoryConfig();
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return {
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'warning days': factory.warningDays ?? DEFAULT_BACKUP_WARNING,
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'critical days': factory.criticalDays ?? DEFAULT_BACKUP_CRITICAL,
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};
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});
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const snapshotOverridesCount = createMemo(() => {
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const current = props.snapshotDefaults();
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@ -2204,7 +2212,7 @@ const snapshotOverridesCount = createMemo(() => {
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enabled: !prev.enabled,
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}))
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}
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factoryDefaults={snapshotFactoryConfig()}
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factoryDefaults={snapshotFactoryDefaultsRecord()}
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onResetDefaults={() => {
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if (props.resetSnapshotDefaults) {
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props.resetSnapshotDefaults();
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@ -319,7 +319,6 @@ const Settings: Component<SettingsProps> = (props) => {
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const pveBackupsState = () => state.backups?.pve ?? state.pveBackups;
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const pbsBackupsState = () => state.backups?.pbs ?? state.pbsBackups;
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const pmgBackupsState = () => state.backups?.pmg ?? state.pmgBackups;
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// Keep tab state in sync with URL and handle /settings redirect without flicker
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createEffect(
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@ -1907,41 +1907,11 @@ func (h *ConfigHandlers) HandleDeleteNode(w http.ResponseWriter, r *http.Request
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}
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// Immediately trigger discovery scan BEFORE reloading monitor
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// This way we can get the deleted node's info for immediate discovery
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// Capture node type for cleanup
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var deletedNodeType string = nodeType
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// deletedNodeHost already captured before removal when available
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// Extract IP and port from the host URL for targeted discovery
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var targetIP string
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var targetPort int
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if deletedNodeHost != "" {
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// Parse the host URL to get IP and port
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hostURL := deletedNodeHost
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hostURL = strings.TrimPrefix(hostURL, "https://")
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hostURL = strings.TrimPrefix(hostURL, "http://")
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parts := strings.Split(hostURL, ":")
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if len(parts) > 0 {
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targetIP = parts[0]
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if len(parts) > 1 {
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if _, err := fmt.Sscanf(parts[1], "%d", &targetPort); err != nil {
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log.Warn().Err(err).Str("host", deletedNodeHost).Msg("Failed to parse port from host; using default")
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if deletedNodeType == "pve" {
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targetPort = 8006
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} else {
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targetPort = 8007
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}
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}
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} else {
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if deletedNodeType == "pve" {
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targetPort = 8006
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} else {
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targetPort = 8007
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}
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}
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}
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}
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// Reload monitor with new configuration
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if h.reloadFunc != nil {
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if err := h.reloadFunc(); err != nil {
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@ -1963,38 +1933,8 @@ func (h *ConfigHandlers) HandleDeleteNode(w http.ResponseWriter, r *http.Request
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})
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log.Info().Msg("Broadcasted node deletion event")
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// If we know the deleted node's details, immediately add it to discovered list
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if targetIP != "" && targetPort > 0 {
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// Create a synthetic discovery result with just the deleted node
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immediateResult := map[string]interface{}{
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"servers": []map[string]interface{}{
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{
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"ip": targetIP,
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"port": targetPort,
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"type": deletedNodeType,
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"version": "Unknown",
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"hostname": targetIP,
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},
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},
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"errors": []string{},
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"timestamp": time.Now().Unix(),
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"immediate": true, // Flag to indicate this is immediate, not from a full scan
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}
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// Immediately broadcast the deleted node as discovered
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h.wsHub.BroadcastMessage(websocket.Message{
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Type: "discovery_update",
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Data: immediateResult,
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Timestamp: time.Now().Format(time.RFC3339),
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})
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log.Info().
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Str("ip", targetIP).
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Int("port", targetPort).
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Str("type", deletedNodeType).
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Msg("Immediately added deleted node to discovery")
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}
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// Schedule a full discovery scan in the background
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// Trigger a full discovery scan in the background to update the discovery cache
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// This ensures the next time discovery modal is opened, it shows fresh results
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go func() {
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// Short delay to let the monitor stabilize
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time.Sleep(500 * time.Millisecond)
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@ -167,8 +167,8 @@ func (s *Service) performScan() {
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Msg("Discovery scan incomplete but found some servers")
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}
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// Update cache even with partial results
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if result != nil && len(result.Servers) > 0 {
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// Always update cache with results (even if empty) to prevent stale data
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if result != nil {
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s.cache.mu.Lock()
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s.cache.result = result
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s.cache.updated = time.Now()
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@ -72,18 +72,27 @@ func (s *Scanner) DiscoverServersWithCallback(ctx context.Context, subnet string
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if subnet == "" || subnet == "auto" {
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// Check if we're in Docker (detected subnet is Docker network)
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autoDetected := s.getLocalSubnet()
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if autoDetected != nil && strings.HasPrefix(autoDetected.String(), "172.17.") {
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log.Info().Msg("Running in Docker - scanning common home/office networks")
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// In Docker, scan common subnets instead
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ipNets = s.getCommonSubnets()
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if autoDetected != nil && (strings.HasPrefix(autoDetected.String(), "172.17.") || strings.HasPrefix(autoDetected.String(), "172.1")) {
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log.Info().Msg("Running in Docker - detecting host network from gateway")
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// Try to detect the host's network from the default gateway
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if hostSubnet := s.getHostSubnetFromGateway(); hostSubnet != nil {
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ipNets = []*net.IPNet{hostSubnet}
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log.Info().Str("detected", hostSubnet.String()).Msg("Detected host subnet from Docker gateway")
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} else {
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// Fallback: scan only most common subnet (192.168.0.0/24)
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log.Info().Msg("Could not detect host subnet - scanning 192.168.0.0/24")
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_, defaultNet, _ := net.ParseCIDR("192.168.0.0/24")
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ipNets = []*net.IPNet{defaultNet}
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}
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} else if autoDetected != nil {
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// Use auto-detected subnet
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ipNets = []*net.IPNet{autoDetected}
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log.Info().Str("detected", autoDetected.String()).Msg("Auto-detected local subnet")
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} else {
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// Fallback to common subnets
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log.Info().Msg("Auto-detection failed - scanning common networks")
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ipNets = s.getCommonSubnets()
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// Fallback to most common subnet
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log.Info().Msg("Auto-detection failed - scanning 192.168.0.0/24")
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_, defaultNet, _ := net.ParseCIDR("192.168.0.0/24")
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ipNets = []*net.IPNet{defaultNet}
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}
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} else {
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// Parse provided subnet
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@ -657,6 +666,47 @@ func (s *Scanner) getLocalSubnet() *net.IPNet {
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return defaultNet
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}
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// getHostSubnetFromGateway detects the host network by examining the default gateway
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// This is useful when running in Docker to detect the actual host's network
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func (s *Scanner) getHostSubnetFromGateway() *net.IPNet {
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interfaces, err := net.Interfaces()
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if err != nil {
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return nil
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}
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// Find the default gateway by checking routes
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// In Docker, the gateway IP usually ends in .1 and is on the Docker bridge network
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for _, iface := range interfaces {
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if iface.Flags&net.FlagUp == 0 {
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continue
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}
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addrs, err := iface.Addrs()
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if err != nil {
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continue
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}
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for _, addr := range addrs {
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if ipNet, ok := addr.(*net.IPNet); ok && ipNet.IP.To4() != nil {
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// Check if this looks like a Docker bridge network (172.17.x.x or similar)
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ipStr := ipNet.IP.String()
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if strings.HasPrefix(ipStr, "172.17.") || strings.HasPrefix(ipStr, "172.1") {
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// Gateway is typically .1 in the same subnet
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// Try to derive the host network: gateway .1 -> likely host is 192.168.x.0/24
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// We'll try the .1 address as the gateway and ping common host subnets
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// For now, just return the most common subnet
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// A more sophisticated approach would parse /proc/net/route
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_, hostNet, _ := net.ParseCIDR("192.168.0.0/24")
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return hostNet
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}
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}
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}
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}
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return nil
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}
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// getCommonSubnets returns a list of common home/office network subnets
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func (s *Scanner) getCommonSubnets() []*net.IPNet {
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// Ordered by likelihood - most common first for faster results
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