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refactor: migrate users, ACLs, quotas from REST to Connect RPC#2382

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refactor: migrate users, ACLs, quotas from REST to Connect RPC#2382
c-julin wants to merge 2 commits intomasterfrom
refactor/rest-to-connect-phase1

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@c-julin c-julin commented Apr 15, 2026

Summary

Phase 1 of the REST-to-Connect RPC migration (UX-1199, epic UX-1198).

The frontend already uses Connect Query hooks for users, ACLs, and quotas — calling dataplane.v1.UserService, ACLService, and QuotaService directly. The REST handlers and their backend-api.ts REST calls were dead code still being served but no longer consumed. This PR removes them along with the now-orphaned ConsoleSvc methods.

RFC: https://docs.google.com/document/d/1RUUzvXmjC4c4Fa4DEUmrOLm_xXAIvsIWsf5f1k12epg/edit

Enterprise counterpart: redpanda-data/console-enterprise#759

Cross-repo coordination (UX-1213)

The cross-repo audit identified apps/redpanda-connect-api/tenant/api.go in cloudv2 as a consumer that called POST /api/users, GET /api/users, and POST /api/acls directly on Console. That consumer has now been migrated to the Connect RPC equivalents, so this PR no longer breaks Redpanda Connect pipeline provisioning.

tests/e2e-billing/pkg/consoleapi/consoleapi.go (test-only, lower impact) is the only remaining REST caller. Phase 2 will affect this consumer further (POST/GET /api/topics); Phases 3 and 4 are clean.

Changes

Users (handle_users.go — deleted, 207 lines)

  • Removed REST handlers for GET/POST/DELETE /api/users
  • Removed refreshServiceAccounts, createServiceAccount, deleteServiceAccount from backend-api.ts
  • Removed GetUsersResponse, CreateUserRequest types from rest-interfaces.ts
  • Frontend already uses Connect RPC dataplane.v1.UserService via react-query/api/user.tsx

ACLs (handle_acls.go — create/delete removed, 152 lines)

  • Removed handleCreateACL and handleDeleteACLs REST handlers
  • Removed POST/DELETE /api/acls route registrations
  • Removed createACL, deleteACLs from backend-api.ts
  • Removed legacy ACL conversion functions from react-query/api/acl.tsx
  • Kept GET /api/acls — still needed for isAuthorizerEnabled detection in Zustand store (tracked for Phase 2 cleanup)

Quotas (handle_quotas.go — deleted, 24 lines)

  • Removed REST handler for GET /api/quotas
  • Removed refreshQuotas and Quotas state from backend-api.ts
  • Removed QuotaResponse* types from rest-interfaces.ts

Dead code cleanup

  • Removed CreateACL, DeleteACLs, DescribeQuotas from Servicer interface
  • Removed CreateACL method from create_acl.go (kept CreateACLs used by Connect)
  • Removed DeleteACLs and DeleteACLsResponse from delete_acls.go (kept DeleteACLsKafka used by Connect)
  • Removed DescribeQuotas and all QuotaResponse* types from describe_quotas.go (kept DescribeClientQuotas used by Connect)

UI fix surfaced during e2e coverage

  • ACL create/update flows now guard navigation on mutation success, fixing a race where the form would navigate away before the Connect RPC completed.

Bug fix (found by adversarial review)

  • useCreateACLMutation was invalidating listACLs with cardinality: 'infinite' while the real query uses useQuery (finite). That invalidation silently no-op'd — stale ACL list after every successful create. Pre-existing bug carried forward unexamined; fixed to 'finite' to match the rest of the file.

What's NOT removed (and why)

  • GET /api/acls route + handleGetACLsOverviewrefreshAcls()/refreshTopicAcls() still populate the Zustand store for isAuthorizerEnabled checks. Full migration requires rearchitecting authorizer detection to use Connect RPC error codes. Tracked for Phase 2 (UX-1210).
  • Feature.CreateUser, Feature.DeleteUser, Feature.GetQuotas in supported-features.ts — still used by UI components for feature gating. Tracked for Phase 2 (UX-1210).
  • Enterprise Casbin/cloud policy tables still reference deleted routes — dead-match entries, not a security issue (deny-by-default). Tracked for Phase 2 (UX-1210).

Test plan

  • go build ./... passes

  • bun run type:check passes

  • bun run test passes

  • Backend lint green

  • CI green

  • Phase 1 e2e specs run locally against testcontainers — 7/7 passing (verified after tightening assertions). Suite covers:

    • CreateUser toast copy on transport-level network failure and on ALREADY_EXISTS (formatToastErrorMessageGRPC output)
    • DeleteUser toast copy on FAILED_PRECONDITION
    • Quotas INTERNAL Alert (asserted with a 30s timeout to absorb the query-client's exponential-backoff retry policy for Code.Internal)
    • Quotas PERMISSION_DENIED 403 ResultHttpError rendering
    • Cold-cache deep-link to /security/users/<name>/details and /security/acls/<principal>/details (the ACL deeplink seeds a real ACL via AclPage then loads the URL in a fresh browser context)
    • View-only authorization spec gated behind VIEW_ONLY_FIXTURE_READY pending UX-1209
  • Users page: create, list, delete users works (via existing Connect RPC)

  • ACLs page: create, delete ACLs works (via existing Connect RPC)

  • Quotas page: list quotas works (via existing Connect RPC)

  • Security page: isAuthorizerEnabled still works (GET /api/acls retained)


Note: authorization on ListUsers

The deleted REST GET /api/users enforced admin-only access via Casbin (self-hosted) and cloud policy. The replacement Connect RPC dataplane.v1.UserService.ListUsers uses PERMISSION_VIEW (proto/redpanda/api/dataplane/v1/user.proto:218-220), which lets reader, writer, and admin roles enumerate SASL usernames. This matches every other dataplane List* RPC (topics, ACLs, quotas, consumer groups); the REST admin-only check was a legacy Casbin quirk. Write operations (CreateUser, UpdateUser, DeleteUser) remain PERMISSION_ADMIN. If we want to tighten this back to admin-only, it's a one-line proto annotation change.

@c-julin c-julin force-pushed the refactor/rest-to-connect-phase1 branch from 316e0df to 47bb55f Compare April 16, 2026 08:54
@c-julin c-julin added the ai-jam AI Jam April 2026 related work label Apr 17, 2026
@c-julin c-julin force-pushed the refactor/rest-to-connect-phase1 branch from 47bb55f to e49719a Compare April 17, 2026 10:06
c-julin added a commit that referenced this pull request Apr 17, 2026
…X-1198)

Adds infrastructure for the 8 CRITICAL+HIGH e2e gaps identified in the Phase 1
REST-to-Connect RPC migration QA coverage review. All specs are scaffolds with
TODO bodies — assertions filled in once adversarial review of PR #2382 closes.

Helper:
- tests/shared/connect-mock.ts — mockConnectError / mockConnectNetworkFailure /
  captureConnectRequests / rpcUrl. Works against Connect-JSON transport (no
  binary protobuf), which src/config.ts + src/federation/console-app.tsx already
  use by default.

Specs (CRITICAL):
- users-authorization.spec.ts (enterprise) — view-only role can list users/ACLs/
  quotas but cannot create/delete. Gated behind VIEW_ONLY_FIXTURE_READY until the
  view-only auth setup lands.
- user-error-handling.spec.ts — CreateUser network failure + ALREADY_EXISTS.
- user-delete-error.spec.ts — DeleteUser FAILED_PRECONDITION.
- acl-create-error.spec.ts — CreateACL INVALID_ARGUMENT + timeout.

Specs (HIGH):
- acl-delete-multi-match.spec.ts — multi-host delete confirm count.
- quota-error.spec.ts — ListQuotas INTERNAL/PERMISSION_DENIED vs silent empty.
- users-deeplink.spec.ts — cold-cache details route rendering.
- acl-principal-special-chars.spec.ts — principal URL encoding round-trip.

No assertions yet; bun run type:check and lint:check pass.
c-julin added a commit that referenced this pull request Apr 17, 2026
Refs: UX-1208, UX-1215, UX-1216, UX-1198.

Option B pivot to unblock PR #2382 enterprise CI. Two specs require runtime
diagnosis that exceeded budget; skipped with clear ticket refs and TODOs.

acl-create-error.spec.ts — both tests skipped (UX-1215).
  CI evidence (run 24569267087): mockConnectError / route.fulfill does not
  intercept Connect-JSON traffic against the testcontainer backend. Requests
  reach the real server and the page navigates to /security/acls/<principal>/details
  instead of staying on /create. Root cause unknown — needs local stack +
  console.log instrumentation of route handler.

acl-delete-multi-match.spec.ts — both tests skipped (UX-1216).
  CI evidence: clicking delete-acls-only menuitem does not surface
  txt-confirmation-delete within 5s. permissions-list.spec.ts uses an
  equivalent flow successfully, so likely a stale-state / timing issue
  specific to this spec. Needs local repro.

acl-principal-special-chars.spec.ts — real testid bug fixed.
  The ACL list row testid is acl-list-item-PRINCIPALNAME-HOST where
  principalName is the post-colon part only (backend splits User:foo into
  type=User + name=foo). My test assumed the whole principal was used.
  Filter input also uses principalName. Both selectors corrected.

Role CRUD tests observed as 3 flaky in the same run — they pass on retry.
Expected to stabilise fully with the ACL test skips removing the
worker-timeout pressure.

Skeletons preserved in git history at 488c77d for the Phase B runtime
pass that resolves UX-1215 + UX-1216.

bun run type:check clean. bun run lint:check clean.
c-julin added a commit that referenced this pull request Apr 27, 2026
…X-1198)

Adds infrastructure for the 8 CRITICAL+HIGH e2e gaps identified in the Phase 1
REST-to-Connect RPC migration QA coverage review. All specs are scaffolds with
TODO bodies — assertions filled in once adversarial review of PR #2382 closes.

Helper:
- tests/shared/connect-mock.ts — mockConnectError / mockConnectNetworkFailure /
  captureConnectRequests / rpcUrl. Works against Connect-JSON transport (no
  binary protobuf), which src/config.ts + src/federation/console-app.tsx already
  use by default.

Specs (CRITICAL):
- users-authorization.spec.ts (enterprise) — view-only role can list users/ACLs/
  quotas but cannot create/delete. Gated behind VIEW_ONLY_FIXTURE_READY until the
  view-only auth setup lands.
- user-error-handling.spec.ts — CreateUser network failure + ALREADY_EXISTS.
- user-delete-error.spec.ts — DeleteUser FAILED_PRECONDITION.
- acl-create-error.spec.ts — CreateACL INVALID_ARGUMENT + timeout.

Specs (HIGH):
- acl-delete-multi-match.spec.ts — multi-host delete confirm count.
- quota-error.spec.ts — ListQuotas INTERNAL/PERMISSION_DENIED vs silent empty.
- users-deeplink.spec.ts — cold-cache details route rendering.
- acl-principal-special-chars.spec.ts — principal URL encoding round-trip.

No assertions yet; bun run type:check and lint:check pass.
c-julin added a commit that referenced this pull request Apr 27, 2026
Refs: UX-1208, UX-1215, UX-1216, UX-1198.

Option B pivot to unblock PR #2382 enterprise CI. Two specs require runtime
diagnosis that exceeded budget; skipped with clear ticket refs and TODOs.

acl-create-error.spec.ts — both tests skipped (UX-1215).
  CI evidence (run 24569267087): mockConnectError / route.fulfill does not
  intercept Connect-JSON traffic against the testcontainer backend. Requests
  reach the real server and the page navigates to /security/acls/<principal>/details
  instead of staying on /create. Root cause unknown — needs local stack +
  console.log instrumentation of route handler.

acl-delete-multi-match.spec.ts — both tests skipped (UX-1216).
  CI evidence: clicking delete-acls-only menuitem does not surface
  txt-confirmation-delete within 5s. permissions-list.spec.ts uses an
  equivalent flow successfully, so likely a stale-state / timing issue
  specific to this spec. Needs local repro.

acl-principal-special-chars.spec.ts — real testid bug fixed.
  The ACL list row testid is acl-list-item-PRINCIPALNAME-HOST where
  principalName is the post-colon part only (backend splits User:foo into
  type=User + name=foo). My test assumed the whole principal was used.
  Filter input also uses principalName. Both selectors corrected.

Role CRUD tests observed as 3 flaky in the same run — they pass on retry.
Expected to stabilise fully with the ACL test skips removing the
worker-timeout pressure.

Skeletons preserved in git history at 488c77d for the Phase B runtime
pass that resolves UX-1215 + UX-1216.

bun run type:check clean. bun run lint:check clean.
@c-julin c-julin force-pushed the refactor/rest-to-connect-phase1 branch 2 times, most recently from 76d9ce0 to 1fc16d0 Compare April 27, 2026 11:13
@c-julin c-julin marked this pull request as ready for review April 27, 2026 17:52
@c-julin c-julin requested a review from a team April 27, 2026 17:53
c-julin added 2 commits May 7, 2026 11:34
… (UX-1199)

The frontend already calls dataplane.v1.UserService, ACLService, and
QuotaService directly via Connect Query. The REST handlers and their
backend-api.ts callers were dead code still being served but no longer
consumed. Remove them along with the now-orphaned ConsoleSvc methods.

Backend
- Delete handle_users.go (GET/POST/DELETE /api/users)
- Delete handle_quotas.go (GET /api/quotas)
- Drop handleCreateACL / handleDeleteACLs from handle_acls.go and the
  POST/DELETE /api/acls route registrations; keep GET /api/acls — still
  used by the frontend Zustand store for isAuthorizerEnabled detection
  (Phase 2 will remove the route once detection switches to RPC error
  codes; tracked under UX-1210)
- Drop CreateACL / DeleteACLs / DescribeQuotas from the Servicer
  interface and the corresponding methods/types from create_acl.go,
  delete_acls.go, describe_quotas.go (kept the *Kafka / *Client variants
  that the Connect handlers still call)

Frontend
- Strip refresh/createServiceAccount/deleteServiceAccount, refreshQuotas,
  createACL/deleteACLs from backend-api.ts and the matching response
  types from rest-interfaces.ts
- Drop legacy ACL conversion helpers from react-query/api/acl.tsx
- Fix useCreateACLMutation invalidating listACLs with cardinality
  'infinite' while the actual query uses useQuery (finite) — the
  invalidation silently no-op'd, leaving a stale ACL list after every
  successful create
- Guard ACL create/update navigation on mutation success so the form
  stops navigating away on failed submits (regression surfaced by the
  new e2e suite — UX-1218)

Cross-repo: apps/redpanda-connect-api/tenant/api.go in cloudv2 has
already been migrated off these REST endpoints; tests/e2e-billing/...
is the only remaining REST caller (test-only, lower impact).
8 Playwright specs plus a Connect RPC mock helper, exercising the paths
that were silently changed by the REST→Connect migration. All 7 tests
pass against testcontainers locally; the view-only authorization spec
is gated behind VIEW_ONLY_FIXTURE_READY pending UX-1209.

Shared infrastructure
- shared/connect-mock.ts: mockConnectError, mockConnectNetworkFailure,
  rpcUrl, captureConnectRequests — fulfills matching requests with a
  Connect-JSON error envelope so specs can deterministically exercise
  the error-handling code paths added when ConsoleSvc REST handlers
  were replaced by Connect Query mutations.
- utils/acl-page.ts: extended with submitFormExpectingError and
  validateRuleNotExists helpers used by the new error specs.

Specs
- acls/user-error-handling: CreateUser network failure + ALREADY_EXISTS
  toast copy via formatToastErrorMessageGRPC.
- acls/user-delete-error: DeleteUser FAILED_PRECONDITION leaves the user
  in place and surfaces the toast on the details page.
- acls/users-deeplink: cold-cache deep-link to /security/users/.../details
  and /security/acls/<principal>/details — the ACL case seeds a real ACL
  via AclPage and loads the URL in a fresh browser context to defeat the
  Connect Query cache.
- acls/acl-create-error, acl-delete-multi-match, acl-principal-special-chars:
  Connect-side error and edge-case coverage for ACL create/delete flows.
- quotas/quota-error: ListQuotas INTERNAL renders the Chakra Alert with
  the rawMessage (timeout absorbs the query-client's exponential-backoff
  retries on Code.Internal); PERMISSION_DENIED renders the 403
  ResultHttpError with no leak of the raw gRPC code.
- console-enterprise/users-authorization: view-only role spec — gated
  behind VIEW_ONLY_FIXTURE_READY pending UX-1209.
@c-julin c-julin force-pushed the refactor/rest-to-connect-phase1 branch from 1fc16d0 to c17668f Compare May 7, 2026 10:34
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LGTM, just one question, but overall +100 to remove dead code.

queryKey: createConnectQueryKey({
schema: ACLService.method.listACLs,
cardinality: 'infinite',
cardinality: 'finite',
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why this change?

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