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feat: remove TimescaleDB, dead PG stores, and storage feature flags
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Complete the ClickHouse migration by removing all PostgreSQL analytics
code. PostgreSQL now serves only RBAC, config, and audit — all
observability data is exclusively in ClickHouse.

- Delete 6 dead PostgreSQL store classes (executions, stats, diagrams,
  events, metrics, metrics-query) and 2 integration tests
- Delete RetentionScheduler (ClickHouse TTL handles retention)
- Remove all 7 cameleer.storage.* feature flags from application.yml
- Remove all @ConditionalOnProperty from ClickHouse beans in StorageBeanConfig
- Consolidate 14 Flyway migrations (V1-V14) into single clean V1 with
  only RBAC/config/audit tables (no TimescaleDB, no analytics tables)
- Switch from timescale/timescaledb-ha:pg16 to postgres:16 everywhere
  (docker-compose, deploy/postgres.yaml, test containers)
- Remove TimescaleDB check and /metrics-pipeline from DatabaseAdminController
- Set clickhouse.enabled default to true

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
hsiegeln
2026-04-01 20:10:58 +02:00
parent 283e38a20d
commit 188810e54b
37 changed files with 65 additions and 1607 deletions
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CLAUDE.md
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@@ -38,7 +38,7 @@ java -jar cameleer3-server-app/target/cameleer3-server-app-1.0-SNAPSHOT.jar
- Jackson `JavaTimeModule` for `Instant` deserialization
- Communication: receives HTTP POST data from agents (executions, diagrams, metrics, logs), serves SSE event streams for config push/commands (config-update, deep-trace, replay, route-control)
- Maintains agent instance registry with states: LIVE → STALE → DEAD
- Storage: PostgreSQL (TimescaleDB) for structured data, ClickHouse for analytics, search, logs, and time-series
- Storage: PostgreSQL for RBAC, config, and audit; ClickHouse for all observability data (executions, search, logs, metrics, stats, diagrams)
- Security: JWT auth with RBAC (AGENT/VIEWER/OPERATOR/ADMIN roles), Ed25519 config signing, bootstrap token for registration
- OIDC: Optional external identity provider support (token exchange pattern). Configured via admin API, stored in database (`server_config` table)
- User persistence: PostgreSQL `users` table, admin CRUD at `/api/v1/admin/users`