feat(sync): передавать lbMode в payload для VPS Tracker

Тип HA уходит в bindings, чтобы схема могла показать резервирование.

Co-authored-by: Cursor <[email protected]>

apps/api/src/services/vps-tracker-sync.ts

@@ -1,9 +1,43 @@
 import { resolve4 } from "node:dns/promises";
-import type { CfdmBindingSyncItem, ServiceBindingView } from "@cfdm/shared";
+import type { CfdmBindingSyncItem, LbMode, ServiceBindingView } from "@cfdm/shared";
 import { isIpLiteral } from "@cfdm/shared";
 import type { Db } from "@cfdm/db";
 import { repos, getAppSettingsSecrets, touchVpsTrackerSync } from "@cfdm/db";
 
+export function isLbMode(value: unknown): value is LbMode {
+  return value === "round_robin" || value === "failover" || value === "weighted";
+}
+
+/** lb_mode binding, иначе service group. */
+export function resolveLbModeForSync(
+  bindingLbMode: string | undefined | null,
+  groupLbMode?: string | null,
+): LbMode | undefined {
+  if (isLbMode(bindingLbMode)) return bindingLbMode;
+  if (isLbMode(groupLbMode)) return groupLbMode;
+  return undefined;
+}
+
+function groupLbModeForService(
+  db: Db,
+  serviceId: number,
+  cache: Map<number, LbMode | undefined>,
+): LbMode | undefined {
+  if (cache.has(serviceId)) return cache.get(serviceId);
+  let mode: LbMode | undefined;
+  try {
+    const service = repos.getService(db, serviceId);
+    if (service.service_group_id != null) {
+      const group = repos.getServiceGroup(db, service.service_group_id);
+      mode = resolveLbModeForSync(undefined, group.lb_mode);
+    }
+  } catch {
+    mode = undefined;
+  }
+  cache.set(serviceId, mode);
+  return mode;
+}
+
 function fqdnToDisplay(hostname: string, zoneName: string): string {
   if (hostname === "@" || !hostname.trim()) return zoneName;
   return `${hostname}.${zoneName}`;
@@ -126,6 +160,8 @@ export async function buildServiceSyncBindingsAsync(
   const allBindings = repos.listAllBindings(db);
   const index = buildBindingIndex(allBindings);
   const bindings = allBindings.filter((row) => row.service_id === serviceId);
+  const groupLbCache = new Map<number, LbMode | undefined>();
+  const groupLb = groupLbModeForService(db, serviceId, groupLbCache);
 
   const items: CfdmBindingSyncItem[] = [];
   for (const binding of bindings) {
@@ -140,6 +176,7 @@ export async function buildServiceSyncBindingsAsync(
       hostname: binding.hostname,
       ips,
       cnameTarget: cnameTargetForSync(binding),
+      lbMode: resolveLbModeForSync(binding.lb_mode, groupLb),
     });
   }
 
@@ -166,6 +203,7 @@ export async function buildAllSyncBindings(
   const bindings = repos.listAllBindings(db);
   const index = buildBindingIndex(bindings);
   const serviceIpCache = new Map<number, string[]>();
+  const groupLbCache = new Map<number, LbMode | undefined>();
 
   const items: CfdmBindingSyncItem[] = [];
   for (const binding of bindings) {
@@ -175,6 +213,7 @@ export async function buildAllSyncBindings(
       serviceIpCache.set(binding.service_id, serviceIps);
     }
     const ips = await resolveBindingIpsForSync(binding, serviceIps, index, db);
+    const groupLb = groupLbModeForService(db, binding.service_id, groupLbCache);
     items.push({
       bindingId: binding.id,
       serviceId: binding.service_id,
@@ -185,6 +224,7 @@ export async function buildAllSyncBindings(
       hostname: binding.hostname,
       ips,
       cnameTarget: cnameTargetForSync(binding),
+      lbMode: resolveLbModeForSync(binding.lb_mode, groupLb),
     });
   }
   return items;