feat(services): заменить один общий FQDN списком и убрать Другие FQDN

Каждый общий домен смотрит на весь пул IP; CNAME без UI сохраняются. Co-authored-by: Cursor <cursoragent@cursor.com>
2026-08-20 14:21:15 +07:00
parent 4c59780ff0
commit ba4e04a224
4 changed files with 249 additions and 317 deletions
@@ -1,8 +1,7 @@
-import { useState, type KeyboardEvent } from 'react'
-import { PlusIcon, ServerIcon, Trash2Icon } from 'lucide-react'
+import { useState, type KeyboardEvent, type ReactNode } from 'react'
+import { ServerIcon, Trash2Icon } from 'lucide-react'

 import { EmptyState } from '@/components/empty-state'
-import { ServiceBindingIpInput } from '@/components/service-binding-ip-input'
 import { isValidIpv4 } from '@/components/tagged-input'
 import { Badge } from '@/components/reui/badge'
 import {
@@ -16,15 +15,15 @@ import { IconTile } from '@/components/reui/icon-tile'
 import { parseFqdn } from '@/lib/parse-fqdn'
 import {
  addAddressNode,
-  emptyBindingDraft,
+  addCommonFqdn,
+  addressHasFqdn,
  removeAddressNode,
-  withPoolIps,
+  removeCommonFqdn,
+  updateCommonFqdn,
  type AddressBlockState,
-  type ServiceBindingDraft,
 } from '@/lib/service-address'
 import { Button } from '@cfdm/ui/components/button'
 import { Field, FieldLabel } from '@cfdm/ui/components/field'
-import { Input } from '@cfdm/ui/components/input'
 import {
  InputGroup,
  InputGroupAddon,
@@ -39,16 +38,36 @@ import {
  ItemMedia,
  ItemTitle,
 } from '@cfdm/ui/components/item'
-import {
-  Select,
-  SelectContent,
-  SelectItem,
-  SelectTrigger,
-  SelectValue,
-} from '@cfdm/ui/components/select'
+
+function ZoneAddon({
+  fqdn,
+  zoneHints,
+  trailing,
+}: {
+  fqdn: string
+  zoneHints: string[]
+  trailing?: ReactNode
+}) {
+  const parsed = parseFqdn(fqdn, zoneHints)
+  if (!parsed && !fqdn.trim() && !trailing) return null
+  return (
+    <InputGroupAddon align="inline-end">
+      {parsed ? (
+        <Badge variant="outline" size="xs" className="font-mono">
+          {parsed.zoneName}
+        </Badge>
+      ) : fqdn.trim() ? (
+        <Badge variant="warning-light" size="xs">
+          зона не найдена
+        </Badge>
+      ) : null}
+      {trailing}
+    </InputGroupAddon>
+  )
+}

 /**
- * Единый блок адресов сервиса: общий FQDN + пул IP с опциональным доп. доменом.
+ * Единый блок адресов сервиса: список общих FQDN на весь пул + IP с доп. доменом.
 * Preview: https://reui.io/preview/base/settings-3
 * Preview: https://reui.io/preview/base/list-9
 * Preview: https://reui.io/preview/base/form-7
@@ -67,17 +86,30 @@ export function ServiceAddressBlock({
 }) {
  const [pendingIp, setPendingIp] = useState('')
  const [ipInvalid, setIpInvalid] = useState(false)
-  const [otherOpen, setOtherOpen] = useState(value.otherBindings.length > 0)
+  const [pendingFqdn, setPendingFqdn] = useState('')
+  const [fqdnInvalid, setFqdnInvalid] = useState(false)

  const pool = value.nodes.map((node) => node.ip)
-  const parsedCommon = parseFqdn(value.commonFqdn, zoneHints)
-  const showOthers = otherOpen || value.otherBindings.length > 0
-  const pendingTrimmed = pendingIp.trim()
-  const pendingInvalid =
-    ipInvalid && pendingTrimmed.length > 0 && !isValidIpv4(pendingTrimmed)
+  const pendingIpTrimmed = pendingIp.trim()
+  const pendingFqdnTrimmed = pendingFqdn.trim()
+  const pendingIpInvalid =
+    ipInvalid && pendingIpTrimmed.length > 0 && !isValidIpv4(pendingIpTrimmed)
+  const pendingFqdnInvalid =
+    fqdnInvalid && pendingFqdnTrimmed.length > 0

-  function handleCommonFqdn(next: string) {
-    onChange({ ...value, commonFqdn: next })
+  function tryAddFqdn(raw: string) {
+    const trimmed = raw.trim()
+    if (!trimmed) {
+      setFqdnInvalid(false)
+      return
+    }
+    if (addressHasFqdn(value, trimmed)) {
+      setFqdnInvalid(true)
+      return
+    }
+    onChange(addCommonFqdn(value, trimmed))
+    setPendingFqdn('')
+    setFqdnInvalid(false)
  }

  function tryAddIp(raw: string) {
@@ -95,7 +127,14 @@ export function ServiceAddressBlock({
    setIpInvalid(false)
  }

-  function handlePendingKeyDown(event: KeyboardEvent<HTMLInputElement>) {
+  function handleFqdnKeyDown(event: KeyboardEvent<HTMLInputElement>) {
+    if (event.key === 'Enter') {
+      event.preventDefault()
+      tryAddFqdn(pendingFqdn)
+    }
+  }
+
+  function handleIpKeyDown(event: KeyboardEvent<HTMLInputElement>) {
    if (event.key === 'Enter') {
      event.preventDefault()
      tryAddIp(pendingIp)
@@ -111,64 +150,69 @@ export function ServiceAddressBlock({
    })
  }

-  function handleRemoveIp(ip: string) {
-    onChange(removeAddressNode(value, ip))
-  }
-
-  function handleAddOther() {
-    setOtherOpen(true)
-    onChange({
-      ...value,
-      otherBindings: [...value.otherBindings, withPoolIps(emptyBindingDraft(), pool)],
-    })
-  }
-
-  function handleOtherChange(index: number, next: ServiceBindingDraft) {
-    onChange({
-      ...value,
-      otherBindings: value.otherBindings.map((item, i) => (i === index ? next : item)),
-    })
-  }
-
-  function handleRemoveOther(index: number) {
-    const otherBindings = value.otherBindings.filter((_, i) => i !== index)
-    onChange({ ...value, otherBindings })
-    if (otherBindings.length === 0) setOtherOpen(false)
-  }
-
  return (
    <Frame stacked dense spacing="sm" className="w-full min-w-0">
      <FramePanel fit className="flex flex-col gap-3">
        <FrameHeader className="px-0 pt-0">
          <FrameTitle>Адреса</FrameTitle>
          <FrameDescription>
-            Общий FQDN на весь пул · у каждого IP свой доп. домен
+            Общие FQDN — на весь пул · у IP свой доп. домен
          </FrameDescription>
        </FrameHeader>
        <Field>
-          <FieldLabel htmlFor="service-common-fqdn">Общий домен (FQDN)</FieldLabel>
-          <InputGroup>
-            <InputGroupInput
-              id="service-common-fqdn"
-              className="font-mono"
-              value={value.commonFqdn}
-              placeholder={zoneHints[0] ? `gw.${zoneHints[0]}` : 'gw.ivx.su'}
-              onChange={(event) => handleCommonFqdn(event.target.value)}
-            />
-            {parsedCommon ? (
-              <InputGroupAddon align="inline-end">
-                <Badge variant="outline" size="xs" className="font-mono">
-                  {parsedCommon.zoneName}
-                </Badge>
-              </InputGroupAddon>
-            ) : value.commonFqdn.trim() ? (
-              <InputGroupAddon align="inline-end">
-                <Badge variant="warning-light" size="xs">
-                  зона не найдена
-                </Badge>
-              </InputGroupAddon>
-            ) : null}
-          </InputGroup>
+          <FieldLabel htmlFor="service-common-fqdn-add">Общие домены (FQDN)</FieldLabel>
+          <div className="flex w-full flex-col gap-2">
+            {value.commonFqdns.map((fqdn, index) => (
+              <InputGroup key={`common-fqdn-${index}`}>
+                <InputGroupInput
+                  id={`service-common-fqdn-${index}`}
+                  className="font-mono"
+                  value={fqdn}
+                  placeholder={zoneHints[0] ? `gw.${zoneHints[0]}` : 'gw.ivx.su'}
+                  onChange={(event) =>
+                    onChange(updateCommonFqdn(value, index, event.target.value))
+                  }
+                />
+                <ZoneAddon
+                  fqdn={fqdn}
+                  zoneHints={zoneHints}
+                  trailing={
+                    <InputGroupButton
+                      size="icon-xs"
+                      aria-label={`Удалить ${fqdn || 'FQDN'}`}
+                      onClick={() => onChange(removeCommonFqdn(value, index))}
+                    >
+                      <Trash2Icon />
+                    </InputGroupButton>
+                  }
+                />
+              </InputGroup>
+            ))}
+            <InputGroup>
+              <InputGroupInput
+                id="service-common-fqdn-add"
+                className="font-mono"
+                value={pendingFqdn}
+                placeholder={zoneHints[0] ? `gw.${zoneHints[0]}` : 'gw.ivx.su'}
+                aria-invalid={pendingFqdnInvalid || undefined}
+                onChange={(event) => {
+                  setPendingFqdn(event.target.value)
+                  setFqdnInvalid(false)
+                }}
+                onKeyDown={handleFqdnKeyDown}
+                onBlur={() => tryAddFqdn(pendingFqdn)}
+              />
+              <ZoneAddon
+                fqdn={pendingFqdn}
+                zoneHints={zoneHints}
+                trailing={
+                  <InputGroupButton size="sm" onClick={() => tryAddFqdn(pendingFqdn)}>
+                    Добавить
+                  </InputGroupButton>
+                }
+              />
+            </InputGroup>
+          </div>
        </Field>
      </FramePanel>

@@ -187,7 +231,6 @@ export function ServiceAddressBlock({
        ) : (
          <ItemGroup className="gap-2">
            {value.nodes.map((node) => {
-              const parsedExtra = parseFqdn(node.extraFqdn, zoneHints)
              return (
                <Item
                  key={node.ip}
@@ -214,7 +257,7 @@ export function ServiceAddressBlock({
                          variant="ghost"
                          size="icon-sm"
                          aria-label={`Удалить ${node.ip}`}
-                          onClick={() => handleRemoveIp(node.ip)}
+                          onClick={() => onChange(removeAddressNode(value, node.ip))}
                        >
                          <Trash2Icon />
                        </Button>
@@ -241,19 +284,7 @@ export function ServiceAddressBlock({
                            handleNodeFqdn(node.ip, event.target.value)
                          }
                        />
-                        {parsedExtra ? (
-                          <InputGroupAddon align="inline-end">
-                            <Badge variant="outline" size="xs" className="font-mono">
-                              {parsedExtra.zoneName}
-                            </Badge>
-                          </InputGroupAddon>
-                        ) : node.extraFqdn.trim() ? (
-                          <InputGroupAddon align="inline-end">
-                            <Badge variant="warning-light" size="xs">
-                              зона не найдена
-                            </Badge>
-                          </InputGroupAddon>
-                        ) : null}
+                        <ZoneAddon fqdn={node.extraFqdn} zoneHints={zoneHints} />
                      </InputGroup>
                    </Field>
                  </ItemContent>
@@ -268,12 +299,12 @@ export function ServiceAddressBlock({
            className="font-mono"
            value={pendingIp}
            placeholder="192.168.1.1"
-            aria-invalid={pendingInvalid || undefined}
+            aria-invalid={pendingIpInvalid || undefined}
            onChange={(event) => {
              setPendingIp(event.target.value)
              setIpInvalid(false)
            }}
-            onKeyDown={handlePendingKeyDown}
+            onKeyDown={handleIpKeyDown}
            onBlur={() => tryAddIp(pendingIp)}
          />
          <InputGroupAddon align="inline-end">
@@ -282,156 +313,7 @@ export function ServiceAddressBlock({
            </InputGroupButton>
          </InputGroupAddon>
        </InputGroup>
-        {showOthers ? null : (
-          <div className="flex justify-end">
-            <Button
-              type="button"
-              variant="ghost"
-              size="sm"
-              onClick={handleAddOther}
-            >
-              <PlusIcon data-icon="inline-start" />
-              Другой FQDN
-            </Button>
-          </div>
-        )}
      </FramePanel>
-
-      {showOthers ? (
-        <FramePanel fit className="flex flex-col gap-3">
-          <FrameHeader className="flex flex-row items-start justify-between gap-2 px-0 pt-0">
-            <div className="flex min-w-0 flex-col gap-1">
-              <FrameTitle>Другие FQDN</FrameTitle>
-              <FrameDescription>CNAME и A не 1:1 с IP пула</FrameDescription>
-            </div>
-            <Button type="button" variant="outline" size="sm" onClick={handleAddOther}>
-              <PlusIcon data-icon="inline-start" />
-              Добавить
-            </Button>
-          </FrameHeader>
-          {value.otherBindings.length === 0 ? (
-            <p className="text-muted-foreground text-sm">Нет дополнительных FQDN</p>
-          ) : (
-            <ItemGroup className="gap-2">
-              {value.otherBindings.map((binding, index) => {
-                const parsedZone = parseFqdn(binding.fqdn, zoneHints)
-                return (
-                  <Item
-                    key={`other-binding-${index}`}
-                    variant="outline"
-                    size="sm"
-                    className="items-stretch"
-                  >
-                    <ItemContent className="flex w-full min-w-0 flex-col gap-2">
-                      <div className="flex items-center gap-2">
-                        {parsedZone ? (
-                          <Badge variant="outline" size="xs" className="font-mono">
-                            {parsedZone.zoneName}
-                          </Badge>
-                        ) : binding.fqdn.trim() ? (
-                          <Badge variant="warning-light" size="xs">
-                            зона не найдена
-                          </Badge>
-                        ) : (
-                          <span className="text-muted-foreground text-xs">FQDN</span>
-                        )}
-                        <Button
-                          type="button"
-                          variant="ghost"
-                          size="icon-sm"
-                          className="ml-auto shrink-0"
-                          aria-label="Удалить FQDN"
-                          onClick={() => handleRemoveOther(index)}
-                        >
-                          <Trash2Icon />
-                        </Button>
-                      </div>
-                      <div className="grid grid-cols-1 gap-2 sm:grid-cols-[minmax(0,1fr)_7.5rem]">
-                        <Input
-                          id={`other-fqdn-${index}`}
-                          className="font-mono"
-                          value={binding.fqdn}
-                          onChange={(event) =>
-                            handleOtherChange(index, {
-                              ...binding,
-                              fqdn: event.target.value,
-                            })
-                          }
-                          placeholder={
-                            zoneHints[0] ? `api.${zoneHints[0]}` : 'api.ivx.su'
-                          }
-                        />
-                        <Select
-                          items={[
-                            { label: 'A (IP)', value: 'A' },
-                            { label: 'CNAME', value: 'CNAME' },
-                          ]}
-                          value={binding.record_type}
-                          onValueChange={(next) => {
-                            const recordType = (next ?? 'A') as 'A' | 'CNAME'
-                            handleOtherChange(index, {
-                              ...binding,
-                              record_type: recordType,
-                              target_ips: recordType === 'A' ? binding.target_ips : [],
-                              target_cname:
-                                recordType === 'CNAME' ? binding.target_cname : '',
-                            })
-                          }}
-                        >
-                          <SelectTrigger id={`other-type-${index}`} className="w-full">
-                            <SelectValue />
-                          </SelectTrigger>
-                          <SelectContent>
-                            <SelectItem value="A">A (IP)</SelectItem>
-                            <SelectItem value="CNAME">CNAME</SelectItem>
-                          </SelectContent>
-                        </Select>
-                      </div>
-                      {binding.record_type === 'CNAME' ? (
-                        <Input
-                          id={`other-cname-${index}`}
-                          value={binding.target_cname}
-                          placeholder="mmsk.rkns.top"
-                          onChange={(event) =>
-                            handleOtherChange(index, {
-                              ...binding,
-                              target_cname: event.target.value,
-                            })
-                          }
-                        />
-                      ) : (
-                        <ServiceBindingIpInput
-                          id={`other-ip-${index}`}
-                          value={binding.target_ips}
-                          pool={pool}
-                          onChange={(targetIps) =>
-                            handleOtherChange(index, {
-                              ...binding,
-                              target_ips: targetIps,
-                              target_ip_weights: Object.fromEntries(
-                                targetIps.map((ip) => [
-                                  ip,
-                                  binding.target_ip_weights[ip] ?? 1,
-                                ]),
-                              ),
-                              target_ip_priorities: Object.fromEntries(
-                                targetIps.map((ip) => [
-                                  ip,
-                                  binding.target_ip_priorities[ip] ?? 1,
-                                ]),
-                              ),
-                            })
-                          }
-                        />
-                      )}
-                    </ItemContent>
-                  </Item>
-                )
-              })}
-            </ItemGroup>
-          )}
-        </FramePanel>
-      ) : null}
    </Frame>
  )
 }
@@ -218,8 +218,8 @@ export function ServiceEditSheet({
        <SheetHeader className="shrink-0 border-b pb-4">
          <SheetTitle>{isCreate ? 'Новый сервис' : 'Редактирование сервиса'}</SheetTitle>
          <SheetDescription>
-            Общий домен и пул IP — в одном блоке. У каждого адреса можно указать
-            свой доп. FQDN.
+            Общие FQDN на весь пул IP. У каждого адреса можно указать свой доп.
+            FQDN.
          </SheetDescription>
        </SheetHeader>

@@ -3,6 +3,7 @@ import { describe, expect, it } from 'vitest'
 import {
  DEFAULT_BINDING_HEALTH,
  addAddressNode,
+  addCommonFqdn,
  emptyAddressBlock,
  emptyBindingDraft,
  hydrateAddressBlock,
@@ -41,15 +42,15 @@ describe('hydrateAddressBlock', () => {

    const state = hydrateAddressBlock(drafts, ['93.115.203.183', '185.244.181.61'])

-    expect(state.commonFqdn).toBe('rutg.rkns.top')
+    expect(state.commonFqdns).toEqual(['rutg.rkns.top'])
    expect(state.nodes).toEqual([
      { ip: '93.115.203.183', extraFqdn: 'msk.rutg.rkns.top' },
      { ip: '185.244.181.61', extraFqdn: '' },
    ])
-    expect(state.otherBindings).toEqual([])
+    expect(state.preservedBindings).toEqual([])
  })

-  it('не схлопывает CNAME и A на несколько IP', () => {
+  it('кладёт A на весь пул в commonFqdns, CNAME — в preserved', () => {
    const cname: ServiceBindingDraft = {
      ...emptyBindingDraft('alias.rkns.top'),
      record_type: 'CNAME',
@@ -63,14 +64,12 @@ describe('hydrateAddressBlock', () => {

    const state = hydrateAddressBlock(drafts, ['1.1.1.1', '2.2.2.2'])

+    expect(state.commonFqdns).toEqual(['rutg.rkns.top', 'both.rkns.top'])
    expect(state.nodes.every((node) => node.extraFqdn === '')).toBe(true)
-    expect(state.otherBindings.map((item) => item.fqdn)).toEqual([
-      'both.rkns.top',
-      'alias.rkns.top',
-    ])
+    expect(state.preservedBindings.map((item) => item.fqdn)).toEqual(['alias.rkns.top'])
  })

-  it('кладёт extra A с IP вне пула в otherBindings', () => {
+  it('кладёт extra A с IP вне пула в preservedBindings', () => {
    const drafts = [
      aRecord('gw.example.com', ['10.0.0.1']),
      aRecord('edge.example.com', ['8.8.8.8']),
@@ -79,13 +78,14 @@ describe('hydrateAddressBlock', () => {
    const state = hydrateAddressBlock(drafts, ['10.0.0.1'])

    expect(state.nodes).toEqual([{ ip: '10.0.0.1', extraFqdn: '' }])
-    expect(state.otherBindings).toHaveLength(1)
-    expect(state.otherBindings[0]?.fqdn).toBe('edge.example.com')
+    expect(state.commonFqdns).toEqual(['gw.example.com'])
+    expect(state.preservedBindings).toHaveLength(1)
+    expect(state.preservedBindings[0]?.fqdn).toBe('edge.example.com')
  })
 })

 describe('toDomainsPayload', () => {
-  it('собирает primary на весь пул и extra binding на один IP', () => {
+  it('собирает каждый common на весь пул и extra binding на один IP', () => {
    const drafts = [
      aRecord('rutg.rkns.top', ['93.115.203.183', '185.244.181.61']),
      aRecord('msk.rutg.rkns.top', ['93.115.203.183']),
@@ -107,28 +107,30 @@ describe('toDomainsPayload', () => {
    ])
  })

-  it('круг hydrate → payload → hydrate сохраняет extra FQDN', () => {
+  it('круг hydrate → payload → hydrate сохраняет два common и extra FQDN', () => {
    const drafts = [
-      aRecord('rutg.rkns.top', ['93.115.203.183', '185.244.181.61']),
-      aRecord('msk.rutg.rkns.top', ['93.115.203.183']),
+      aRecord('gt.rkns.top', ['93.115.203.183', '185.244.181.61']),
+      aRecord('msk.rkns.top', ['93.115.203.183', '185.244.181.61']),
+      aRecord('nsgt.rkns.top', ['93.115.203.183']),
    ]
    const first = hydrateAddressBlock(drafts, ['93.115.203.183', '185.244.181.61'])
+    expect(first.commonFqdns).toEqual(['gt.rkns.top', 'msk.rkns.top'])
    const rebound = toAddressBindings(first, primaryMeta)
    const second = hydrateAddressBlock(rebound, rebound[0]?.target_ips ?? [])

-    expect(second.commonFqdn).toBe(first.commonFqdn)
+    expect(second.commonFqdns).toEqual(first.commonFqdns)
    expect(second.nodes).toEqual(first.nodes)
-    expect(second.otherBindings).toEqual([])
+    expect(second.preservedBindings).toEqual([])
  })
 })

 describe('removeAddressNode', () => {
-  it('удаляет extra FQDN узла и IP из other A-bindings', () => {
+  it('удаляет extra FQDN узла и IP из preserved A-bindings', () => {
    const state = hydrateAddressBlock(
      [
        aRecord('gw.example.com', ['10.0.0.1', '10.0.0.2']),
        aRecord('msk.example.com', ['10.0.0.1']),
-        aRecord('pair.example.com', ['10.0.0.1', '10.0.0.2']),
+        aRecord('edge.example.com', ['9.9.9.9', '10.0.0.1']),
      ],
      ['10.0.0.1', '10.0.0.2'],
    )
@@ -136,12 +138,12 @@ describe('removeAddressNode', () => {
    const next = removeAddressNode(state, '10.0.0.1')

    expect(next.nodes).toEqual([{ ip: '10.0.0.2', extraFqdn: '' }])
-    expect(next.otherBindings).toHaveLength(1)
-    expect(next.otherBindings[0]?.target_ips).toEqual(['10.0.0.2'])
+    expect(next.preservedBindings).toHaveLength(1)
+    expect(next.preservedBindings[0]?.target_ips).toEqual(['9.9.9.9'])
  })
 })

-describe('addAddressNode', () => {
+describe('addAddressNode / addCommonFqdn', () => {
  it('не добавляет дубликат IP', () => {
    const withIp = addAddressNode(
      { ...emptyAddressBlock(), nodes: [{ ip: '1.1.1.1', extraFqdn: '' }] },
@@ -149,23 +151,31 @@ describe('addAddressNode', () => {
    )
    expect(withIp.nodes).toHaveLength(1)
  })
+
+  it('не добавляет дубликат common FQDN', () => {
+    const state = addCommonFqdn(
+      { ...emptyAddressBlock(), commonFqdns: ['gt.rkns.top'] },
+      'GT.rkns.top',
+    )
+    expect(state.commonFqdns).toEqual(['gt.rkns.top'])
+  })
 })

-describe('CNAME / otherBindings', () => {
-  it('сохраняет CNAME в otherBindings при круге hydrate → payload', () => {
+describe('CNAME / preservedBindings', () => {
+  it('сохраняет CNAME в preserved при круге hydrate → payload', () => {
    const cname: ServiceBindingDraft = {
      ...emptyBindingDraft('alias.rkns.top'),
      record_type: 'CNAME',
      target_cname: 'rutg.rkns.top',
    }
    const drafts = [
-      aRecord('rutg.rkns.top', ['1.1.1.1']),
+      aRecord('rutg.rkns.top', ['1.1.1.1', '2.2.2.2']),
      aRecord('msk.rkns.top', ['1.1.1.1']),
      cname,
    ]
-    const state = hydrateAddressBlock(drafts, ['1.1.1.1'])
+    const state = hydrateAddressBlock(drafts, ['1.1.1.1', '2.2.2.2'])
    expect(state.nodes[0]?.extraFqdn).toBe('msk.rkns.top')
-    expect(state.otherBindings).toHaveLength(1)
+    expect(state.preservedBindings).toHaveLength(1)

    const payload = toDomainsPayload(state, primaryMeta)
    expect(payload.map((item) => item.fqdn)).toEqual([
@@ -37,9 +37,9 @@ export interface AddressNode {
 }

 export interface AddressBlockState {
-  commonFqdn: string
+  commonFqdns: string[]
  nodes: AddressNode[]
-  otherBindings: ServiceBindingDraft[]
+  preservedBindings: ServiceBindingDraft[]
  target_ip_weights: Record<string, number>
  target_ip_priorities: Record<string, number>
 }
@@ -78,31 +78,14 @@ export function emptyBindingDraft(fqdn = ''): ServiceBindingDraft {

 export function emptyAddressBlock(): AddressBlockState {
  return {
-    commonFqdn: '',
+    commonFqdns: [],
    nodes: [],
-    otherBindings: [],
+    preservedBindings: [],
    target_ip_weights: {},
    target_ip_priorities: {},
  }
 }

-export function withPoolIps(
-  draft: ServiceBindingDraft,
-  pool: string[],
-): ServiceBindingDraft {
-  if (draft.record_type !== 'A' || draft.target_ips.length > 0 || pool.length === 0) {
-    return draft
-  }
-  return {
-    ...draft,
-    target_ips: pool,
-    target_ip_weights: Object.fromEntries(pool.map((ip) => [ip, draft.target_ip_weights[ip] ?? 1])),
-    target_ip_priorities: Object.fromEntries(
-      pool.map((ip) => [ip, draft.target_ip_priorities[ip] ?? 1]),
-    ),
-  }
-}
-
 function uniqueIps(...lists: string[][]): string[] {
  const seen = new Set<string>()
  const out: string[] = []
@@ -123,6 +106,13 @@ function omitKey(record: Record<string, number>, key: string): Record<string, nu
  return next
 }

+function sameIpSet(left: string[], right: string[]): boolean {
+  if (left.length === 0 || left.length !== right.length) return false
+  const set = new Set(left.map((ip) => ip.trim()).filter(Boolean))
+  if (set.size !== left.length) return false
+  return right.every((ip) => set.has(ip.trim()))
+}
+
 export function toBindingDrafts(service: ServiceView): ServiceBindingDraft[] {
  return (service.domains ?? []).map((binding) => ({
    fqdn: bindingToFqdn(binding),
@@ -151,49 +141,62 @@ export function toBindingDrafts(service: ServiceView): ServiceBindingDraft[] {
  }))
 }

-function canCollapseToNode(
-  extra: ServiceBindingDraft,
-  pool: Set<string>,
-  claimed: Set<string>,
-): string | null {
-  if (extra.record_type !== 'A') return null
-  if (extra.target_ips.length !== 1) return null
-  const ip = extra.target_ips[0]?.trim() ?? ''
-  if (!ip || !pool.has(ip) || claimed.has(ip)) return null
-  if (!extra.fqdn.trim()) return null
-  return ip
+function isFullPoolA(draft: ServiceBindingDraft, pool: string[]): boolean {
+  return draft.record_type === 'A' && sameIpSet(draft.target_ips, pool)
 }

 export function hydrateAddressBlock(
  drafts: ServiceBindingDraft[],
  pool: string[] = [],
 ): AddressBlockState {
-  const primary = drafts[0]
-  const ips = uniqueIps(pool, primary?.target_ips ?? [])
+  const multiIpTargets = drafts
+    .filter((draft) => draft.record_type === 'A' && draft.target_ips.length > 1)
+    .map((draft) => draft.target_ips)
+  const allAIps = drafts
+    .filter((draft) => draft.record_type === 'A')
+    .map((draft) => draft.target_ips)
+  const ips =
+    pool.length > 0
+      ? uniqueIps(pool)
+      : uniqueIps(...(multiIpTargets.length > 0 ? multiIpTargets : allAIps))
  const poolSet = new Set(ips)
+  const commonFqdns: string[] = []
  const claimed = new Set<string>()
  const extraByIp = new Map<string, string>()
-  const otherBindings: ServiceBindingDraft[] = []
+  const preservedBindings: ServiceBindingDraft[] = []
+  let weights: Record<string, number> = {}
+  let priorities: Record<string, number> = {}

-  for (const extra of drafts.slice(1)) {
-    const ip = canCollapseToNode(extra, poolSet, claimed)
-    if (ip) {
-      claimed.add(ip)
-      extraByIp.set(ip, extra.fqdn)
+  for (const draft of drafts) {
+    const fqdn = draft.fqdn.trim()
+    if (isFullPoolA(draft, ips)) {
+      if (fqdn) commonFqdns.push(draft.fqdn)
+      if (Object.keys(weights).length === 0) {
+        weights = { ...draft.target_ip_weights }
+        priorities = { ...draft.target_ip_priorities }
+      }
      continue
    }
-    otherBindings.push(extra)
+    if (draft.record_type === 'A' && draft.target_ips.length === 1) {
+      const ip = draft.target_ips[0]?.trim() ?? ''
+      if (ip && poolSet.has(ip) && fqdn && !claimed.has(ip)) {
+        claimed.add(ip)
+        extraByIp.set(ip, draft.fqdn)
+        continue
+      }
+    }
+    preservedBindings.push(draft)
  }

  return {
-    commonFqdn: primary?.fqdn ?? '',
+    commonFqdns,
    nodes: ips.map((ip) => ({
      ip,
      extraFqdn: extraByIp.get(ip) ?? '',
    })),
-    otherBindings,
-    target_ip_weights: { ...(primary?.target_ip_weights ?? {}) },
-    target_ip_priorities: { ...(primary?.target_ip_priorities ?? {}) },
+    preservedBindings,
+    target_ip_weights: weights,
+    target_ip_priorities: priorities,
  }
 }

@@ -221,7 +224,7 @@ export function removeAddressNode(state: AddressBlockState, ip: string): Address
  return {
    ...state,
    nodes: state.nodes.filter((node) => node.ip !== ip),
-    otherBindings: pruneIpFromBindings(state.otherBindings, ip),
+    preservedBindings: pruneIpFromBindings(state.preservedBindings, ip),
    target_ip_weights: omitKey(state.target_ip_weights, ip),
    target_ip_priorities: omitKey(state.target_ip_priorities, ip),
  }
@@ -240,6 +243,42 @@ export function addAddressNode(state: AddressBlockState, ip: string): AddressBlo
  }
 }

+function fqdnKey(value: string): string {
+  return value.trim().toLowerCase()
+}
+
+export function addressHasFqdn(state: AddressBlockState, fqdn: string): boolean {
+  const key = fqdnKey(fqdn)
+  if (!key) return false
+  if (state.commonFqdns.some((item) => fqdnKey(item) === key)) return true
+  if (state.nodes.some((node) => fqdnKey(node.extraFqdn) === key)) return true
+  return false
+}
+
+export function addCommonFqdn(state: AddressBlockState, fqdn: string): AddressBlockState {
+  const trimmed = fqdn.trim()
+  if (!trimmed || addressHasFqdn(state, trimmed)) return state
+  return { ...state, commonFqdns: [...state.commonFqdns, trimmed] }
+}
+
+export function removeCommonFqdn(state: AddressBlockState, index: number): AddressBlockState {
+  return {
+    ...state,
+    commonFqdns: state.commonFqdns.filter((_, i) => i !== index),
+  }
+}
+
+export function updateCommonFqdn(
+  state: AddressBlockState,
+  index: number,
+  fqdn: string,
+): AddressBlockState {
+  return {
+    ...state,
+    commonFqdns: state.commonFqdns.map((item, i) => (i === index ? fqdn : item)),
+  }
+}
+
 export function toAddressBindings(
  state: AddressBlockState,
  primary: AddressPrimaryMeta,
@@ -253,10 +292,11 @@ export function toAddressBindings(
  )

  const drafts: ServiceBindingDraft[] = []
-  const hasPrimary = Boolean(state.commonFqdn.trim()) || ips.length > 0
-  if (hasPrimary) {
+  for (const raw of state.commonFqdns) {
+    const fqdn = raw.trim()
+    if (!fqdn || ips.length === 0) continue
    drafts.push({
-      fqdn: state.commonFqdn,
+      fqdn,
      record_type: 'A',
      target_ips: ips,
      target_cname: '',
@@ -282,7 +322,7 @@ export function toAddressBindings(
    })
  }

-  drafts.push(...state.otherBindings)
+  drafts.push(...state.preservedBindings)
  return drafts
 }