fix(sync): не считать сервис с одним IP резервированием

В payload для VPS Tracker lbMode не отдаём без пула уникальных IP; в UI показываем без резервирования вместо Round robin.

Co-authored-by: Cursor <cursoragent@cursor.com>

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

@@ -3,6 +3,7 @@ import type { CfdmBindingSyncItem, LbMode, ServiceBindingView } from "@cfdm/shar
 import { isIpLiteral } from "@cfdm/shared";
 import type { Db } from "@cfdm/db";
 import { repos, getAppSettingsSecrets, touchVpsTrackerSync } from "@cfdm/db";
+import { isSharedPool } from "./routing/pool.js";
 
 export function isLbMode(value: unknown): value is LbMode {
   return value === "round_robin" || value === "failover" || value === "weighted";
@@ -18,6 +19,16 @@ export function resolveLbModeForSync(
   return undefined;
 }
 
+/** Effective HA only when the service has two or more unique origin IPs. */
+export function effectiveLbModeForSync(
+  bindingLbMode: string | undefined | null,
+  groupLbMode: string | undefined | null,
+  serviceIps: readonly string[],
+): LbMode | undefined {
+  if (!isSharedPool(serviceIps)) return undefined;
+  return resolveLbModeForSync(bindingLbMode, groupLbMode);
+}
+
 function groupLbModeForService(
   db: Db,
   serviceId: number,
@@ -166,6 +177,7 @@ export async function buildServiceSyncBindingsAsync(
   const items: CfdmBindingSyncItem[] = [];
   for (const binding of bindings) {
     const ips = await resolveBindingIpsForSync(binding, serviceIps, index, db);
+    const lbMode = effectiveLbModeForSync(binding.lb_mode, groupLb, serviceIps);
     items.push({
       bindingId: binding.id,
       serviceId: service.id,
@@ -176,7 +188,7 @@ export async function buildServiceSyncBindingsAsync(
       hostname: binding.hostname,
       ips,
       cnameTarget: cnameTargetForSync(binding),
-      lbMode: resolveLbModeForSync(binding.lb_mode, groupLb),
+      ...(lbMode ? { lbMode } : {}),
     });
   }
 
@@ -214,6 +226,7 @@ export async function buildAllSyncBindings(
     }
     const ips = await resolveBindingIpsForSync(binding, serviceIps, index, db);
     const groupLb = groupLbModeForService(db, binding.service_id, groupLbCache);
+    const lbMode = effectiveLbModeForSync(binding.lb_mode, groupLb, serviceIps);
     items.push({
       bindingId: binding.id,
       serviceId: binding.service_id,
@@ -224,7 +237,7 @@ export async function buildAllSyncBindings(
       hostname: binding.hostname,
       ips,
       cnameTarget: cnameTargetForSync(binding),
-      lbMode: resolveLbModeForSync(binding.lb_mode, groupLb),
+      ...(lbMode ? { lbMode } : {}),
     });
   }
   return items;

apps/api/test/vps-tracker-sync.test.ts

@@ -6,6 +6,7 @@ import {
 import {
   resolveBindingIpsForSync,
   resolveLbModeForSync,
+  effectiveLbModeForSync,
 } from "../src/services/vps-tracker-sync.js";
 
 function binding(
@@ -183,6 +184,35 @@ describe("resolveLbModeForSync", () => {
   });
 });
 
+describe("effectiveLbModeForSync", () => {
+  it("omits mode when unique origin IPs are below two", () => {
+    expect(
+      effectiveLbModeForSync("round_robin", "failover", ["203.0.113.10"]),
+    ).toBeUndefined();
+    expect(
+      effectiveLbModeForSync("round_robin", "failover", [
+        "203.0.113.10",
+        "203.0.113.10",
+      ]),
+    ).toBeUndefined();
+  });
+
+  it("emits configured mode when the service has a pool", () => {
+    expect(
+      effectiveLbModeForSync("failover", "round_robin", [
+        "203.0.113.10",
+        "203.0.113.20",
+      ]),
+    ).toBe("failover");
+    expect(
+      effectiveLbModeForSync("off", "weighted", [
+        "203.0.113.10",
+        "198.51.100.1",
+      ]),
+    ).toBe("weighted");
+  });
+});
+
 describe("cfdmBindingSyncItemSchema lbMode", () => {
   const base = {
     bindingId: 1,

apps/web/src/components/reui-kit/service-failover-panel.tsx

@@ -75,18 +75,25 @@ function alertDescription(events: { kind: string; fqdns: string[] }[]): string {
  */
 export function ServiceFailoverPanel({
   lbMode = 'round_robin',
+  hasPool = true,
   ipHealth,
   bindings,
   history,
   probes = [],
 }: {
   lbMode?: LbMode
+  hasPool?: boolean
   ipHealth: readonly FailoverHealthInput[]
   bindings: readonly FailoverBindingPool[]
   history: readonly FailoverLogEntry[]
   probes?: readonly HealthLogProbe[]
 }) {
-  const copy = PANEL_COPY[lbMode] ?? PANEL_COPY.round_robin
+  const copy = hasPool
+    ? (PANEL_COPY[lbMode] ?? PANEL_COPY.round_robin)
+    : {
+        title: 'без резервирования',
+        description: 'Один origin IP — балансировка не применяется',
+      }
   const liveByIp = latestHealthByIp(probes)
   const overlayHealth = ipHealth.map((row) => {
     const live = liveByIp.get(row.ip)

apps/web/src/components/services/service-unit-card.tsx

@@ -5,6 +5,7 @@ import {
   Repeat2Icon,
   ScaleIcon,
   ServerIcon,
+  UnplugIcon,
   type LucideIcon,
 } from 'lucide-react'
 
@@ -21,6 +22,7 @@ import {
   ServiceIpList,
 } from '@/components/services/service-fqdn-list'
 import { serviceDisplayFqdn, serviceDisplayFqdns } from '@/lib/service-utils'
+import { uniqueIpCount } from '@/lib/failover-events'
 import type { ServiceView } from '@/lib/schemas'
 import { Button } from '@cfdm/ui/components/button'
 import {
@@ -75,7 +77,35 @@ const LB_MODE_META: Record<
   },
 }
 
-export function LbModeTile({ mode }: { mode: LbMode }) {
+export function LbModeTile({
+  mode,
+  hasPool = true,
+}: {
+  mode: LbMode
+  hasPool?: boolean
+}) {
+  if (!hasPool) {
+    return (
+      <TooltipProvider>
+        <Tooltip>
+          <TooltipTrigger
+            render={
+              <IconTile
+                variant="elevated"
+                size="xs"
+                className="shrink-0 text-muted-foreground"
+                aria-label="без резервирования"
+              />
+            }
+          >
+            <UnplugIcon aria-hidden="true" />
+          </TooltipTrigger>
+          <TooltipContent>без резервирования</TooltipContent>
+        </Tooltip>
+      </TooltipProvider>
+    )
+  }
+
   const meta = LB_MODE_META[mode]
   const Icon = meta.icon
 
@@ -148,7 +178,10 @@ export function ServiceUnitCard({
                   {service.name}
                 </Link>
               </FrameTitle>
-              <LbModeTile mode={service.lb_mode} />
+              <LbModeTile
+                mode={service.lb_mode}
+                hasPool={uniqueIpCount(service.ips) >= 2}
+              />
             </div>
             <div className="flex min-w-0 items-center gap-1">
               <FrameDescription className="min-w-0 truncate font-mono text-xs">

apps/web/src/routes/_auth/services/$serviceId/index.tsx

@@ -32,7 +32,7 @@ import {
   ServiceHealthMonitor,
 } from '@/components/reui-kit'
 import { api } from '@/lib/api-client'
-import { hasSharedPool } from '@/lib/failover-events'
+import { hasSharedPool, uniqueIpCount } from '@/lib/failover-events'
 import {
   enabledHealthProviders,
   providerHealthStatuses,
@@ -268,7 +268,10 @@ function ServiceDetailPage() {
             description="Domain → Service → Node → Health → Failover"
             actions={
               <>
-                <LbModeTile mode={service.lb_mode} />
+                <LbModeTile
+                  mode={service.lb_mode}
+                  hasPool={uniqueIpCount(service.ips) >= 2}
+                />
                 <HealthCheckBadge status={displayHealth} />
                 <Tooltip>
                   <TooltipTrigger
@@ -360,6 +363,7 @@ function ServiceDetailPage() {
             {showPoolPanel ? (
               <ServiceFailoverPanel
                 lbMode={service.lb_mode}
+                hasPool={uniqueIpCount(service.ips) >= 2}
                 ipHealth={service.ip_health}
                 bindings={failoverBindings}
                 history={failoverHistory}