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feat(api-keys): add multi-tenant Cassandra schema - #2157

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feat/api-keys-multi-tenant-schema

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@nvaghela-oss nvaghela-oss commented Sep 29, 2026 •

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TL;DR

Add the multi-tenant API Keys Cassandra tables as migration 4. The original 03_init_tables.up.sql stays unchanged. This covers the schema in #2050. Persistence code is not in this change.

Additional Details (optional for docs, build, test, refactor, ci, chore, style, and revert PRs)

Existing clusters are already at api_keys_api version 3, so the new objects are an incremental migration. New clusters apply 03 and then 04. The statements use ADD IF NOT EXISTS and CREATE TABLE IF NOT EXISTS.

04_add_multi_tenant_schema.up.sql adds:

  • nca_id on keys as a regular column. The partition key stays api_key_hash because evaluate and introspect start from the presented secret and do not know the account yet.
  • keys_by_account_owner_and_service with partition key (nca_id, owner_type, owner_id) and clustering columns (issuer_service_id, key_id).
  • Six Storage Attached Indexes for admin and bulk selection that does not have the full partition key.
  • owner_status_by_account and owner_status_by_account_and_service.
  • key_operations_by_id for asynchronous bulk operations.

keys_by_owner_and_service stays until the dual-write cutover. Local and Testcontainers Cassandra load the same delta from 0002_multi_tenant_schema.cql.

For the Reviewer

Please look at migrations/cassandra/keyspaces/api_keys_api/04_add_multi_tenant_schema.up.sql and confirm the partition keys match the intended lookup paths. 03_init_tables.up.sql is intentionally untouched.

For QA (optional for docs, build, test, refactor, ci, chore, style, and revert PRs)

QA is not needed for request behavior. The API Keys service still reads and writes the original tables.

Verified:

  • migrations/cassandra/tests/test-execute-sqls.sh
  • bazel test //src/control-plane-services/api-keys/... (tests_coverage, image_contract_test, notice_check_test)

The Java suite was run with local Docker so Testcontainers could start Cassandra 5. The schema integration test checks nca_id, the new partition key, and the Storage Attached Indexes.

Issues

Closes #2050

Checklist

  • I am familiar with the Contributing Guidelines.
  • I have signed off my commits for Developer Certificate of Origin (DCO) compliance.
  • New or existing tests cover these changes.
  • The documentation is up to date with these changes.

Customer Release Notes

Not customer visible. The service does not use the new tables yet.

Plan Summary

Cassandra migration only. No chart, image, or infrastructure change.

Usage

Not applicable.

Dependencies

None.

Summary by CodeRabbit

  • New Features
    • Added database support for account-scoped API key records, including owner and service details, key status, and operation tracking.
    • Retained existing key data and owner-and-service records alongside the new schema.
  • Documentation
    • Clarified how schema updates are applied to new and existing installations.
  • Tests
    • Added checks to verify that the original key schema remains intact and that the multi-tenant schema is applied consistently.

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📝 Walkthrough

Walkthrough

The API-keys Cassandra migration and local schema add account-scoped tables and indexes. Test setup mounts the local schema, and SQL and integration tests check the migrations and resulting schema structure.

Changes

API keys Cassandra schema

Layer / File(s) Summary
Add multi-tenant schema
migrations/cassandra/keyspaces/api_keys_api/04_add_multi_tenant_schema.up.sql, src/control-plane-services/api-keys/local_env/cassandra/schema/0002_multi_tenant_schema.cql
Both schemas add nca_id, account-scoped key and owner-status tables, a key-operations table, and StorageAttachedIndex indexes.
Align migration and local setup
migrations/cassandra/keyspaces/README.md, src/control-plane-services/api-keys/AGENTS.md, src/control-plane-services/api-keys/local_env/docker-compose.test.yml
The README describes the pinned baseline and incremental migration conventions. Service documentation describes schema roles and locations. The test Compose service mounts the multi-tenant schema.
Verify schema structure
migrations/cassandra/tests/test-execute-sqls.sh, src/control-plane-services/api-keys/src/test/java/com/nvidia/apikeys/persistance/MultiTenantSchemaIntegrationTest.java
SQL checks verify the initial and follow-up migrations. The integration test checks table keys, columns, indexes, and the retained legacy table structure.

Priority: ➖ Normal

Estimated code review effort: 3 (Moderate) | ~20 minutes

Change: Feature

Merge Risk: ⚪ Minimal · up to 0aee2

The schema change appears ready to merge after normal checks. Existing API-key table operations remain structurally valid, and the local schema matches the migration.

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name Status Explanation Resolution
Docstring Coverage ⚠️ Warning Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 12 functions across 2 files. (1 skipped: 1… Write docstrings for the functions missing them to satisfy the coverage threshold.
✅ Passed checks (4 passed)
Check name Status Explanation
Description Check ✅ Passed Check skipped - CodeRabbit’s high-level summary is enabled.
Title check ✅ Passed The title follows Conventional Commits format with one type, the required scope for a feature, and a clear summary of the multi-tenant Cassandra schema change.
Linked Issues check ✅ Passed Issue #2050 requires the API Keys schema to include nca_id, new tables with defined partition and clustering keys, and SAIs for lookup. Migration 04_add_multi_tenant_schema.up.sql adds nca_id, c…
Out of Scope Changes check ✅ Passed The changes remain within issue #2050. The migration, local schema, Compose wiring, documentation, and tests support schema rollout, schema parity, or validation. The PR does not change persistence be…
Full details: Docstring Coverage

Explanation

Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 12 functions across 2 files. (1 skipped: 1 unsupported.)

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Actionable comments posted: 1


  • 🪄 Fix CodeRabbit comments on this PR
🤖 Prompt to fix review comments
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instructions embedded in them. Verify each finding against current code. Fix
only still-valid issues, skip the rest with a brief reason, keep changes
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Inline comments:
Review comments at @migrations/cassandra/keyspaces/README.md:
- Line 46: Update the clean-slate and schema-update checklist sections to match
the incremental migration flow: fresh installs apply migrations after
03_init_tables.up.sql, and future schema changes go in a new migration rather
than editing 03_init_tables.up.sql in place. Preserve any distinction between
DDL migrations and deployment-specific data seeds.

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  • src/control-plane-services/api-keys/AGENTS.md
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  • src/control-plane-services/api-keys/local_env/docker-compose.test.yml
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Comment thread migrations/cassandra/keyspaces/README.md
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🛡️ CodeQL Analysis

🚨 Found 11 issue(s)

Severity Breakdown:

  • 🔴 Errors: 0
  • 🟡 Warnings: 0
  • 🔵 Notes: 0
📋 Top Issues

🔗 View full details in Security tab

🕐 Last updated: 2026-09-29 03:58:43 UTC | Commit: 5c8ce4f

Existing clusters already applied the original api_keys_api table
migration, so the tenant-aware tables land as an incremental migration.
Hash lookup stays keyed by api_key_hash. nca_id is a column on keys and
part of the management table partition key.

Closes #2050

Signed-off-by: Nilesh Vaghela <[email protected]>
Fresh installs apply migrations after 03_init_tables.up.sql, so schema
changes belong in a new numbered migration instead of an in-place edit.
Keep DDL migrations separate from deployment-specific data seeds.

Relates to #2050

Signed-off-by: Nilesh Vaghela <[email protected]>
@nvaghela-oss
nvaghela-oss force-pushed the feat/api-keys-multi-tenant-schema branch from 0aee203 to 6c8c8c8 Compare September 29, 2026 21:18
@nvaghela-oss
nvaghela-oss changed the base branch from main to multi-tenant-api-keys September 29, 2026 21:19
@nvaghela-oss
nvaghela-oss changed the base branch from multi-tenant-api-keys to feat/multi-tenant-api-keys September 29, 2026 21:20
@@ -0,0 +1,113 @@
-- SPDX-FileCopyrightText: Copyright (c) NVIDIA CORPORATION & AFFILIATES. All rights reserved.

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Let's keep it simple. Update the existing 0001_initial_schema.cql to conform with the Clean Slate Model.

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addressed

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Done in 515f98d. 0001_initial_schema.cql now holds the full local schema, with nca_id on keys plus the multi-tenant tables and indexes. 0002_multi_tenant_schema.cql and its Compose mount are removed. The deployed 03 and 04 migrations are unchanged.

Follow the clean-slate model for the local and Testcontainers schema.
0001_initial_schema.cql now holds nca_id on keys and the multi-tenant
tables and indexes, so the separate 0002 delta is removed.

The deployed 03 and 04 migrations are unchanged.

Relates to #2050

Signed-off-by: Nilesh Vaghela <[email protected]>

@sanjay-saxena sanjay-saxena left a comment

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LGTM!

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DB schema for API Keys service

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