[DP-387] 트렌드 배치 완료 후 BE Redis 캐시 무효화 연동#59
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- CacheEvictionClient: DELETE /internal/trends/cache 호출, best-effort (실패 시 warning 로그만) - TrendOrchestrator: backend_url + cache_evict_key 파라미터 추가, upsert 직후 evict() 호출 - run_trend_batch.py / run_trend_scheduler.py: BACKEND_URL + TREND_CACHE_EVICT_KEY 환경변수 주입 - .env.example: TREND_CACHE_EVICT_KEY 항목 추가 - 테스트: CacheEvictionClient 8개, 오케스트레이터 통합 5개 Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
…DP-387) 캐시 무효화 헤더(X-Internal-Key)가 기존 내부 API 인증 키와 동일하므로 별도 환경변수 불필요. cache_evict_key → internal_key 파라미터로 통일. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Summary
DELETE /internal/trends/cache를 호출해 Redis 캐시를 즉시 무효화CacheEvictionClientbest-effort 설계 — 캐시 무효화 실패가 배치 전체 실패로 전파되지 않음Changes
app/services/trend/cache_eviction.py(신규) —CacheEvictionClient:requests.delete기반, 실패 시 warning 로그만app/services/trend/orchestrator.py—backend_url+cache_evict_key파라미터 추가,upsert()직후evict()호출scripts/run_trend_batch.py/run_trend_scheduler.py—BACKEND_URL+TREND_CACHE_EVICT_KEY환경변수 읽어 오케스트레이터에 주입.env.example—TREND_CACHE_EVICT_KEY항목 추가환경변수 설정 필요
미설정 시 캐시 무효화 skip — 기존 동작(TTL 만료 후 갱신) 유지
Test plan
CacheEvictionClient단위 테스트 8개 (성공/비204/네트워크 오류/타임아웃)TrendOrchestrator캐시 통합 테스트 5개 (클라이언트 생성 조건, upsert 후 evict 호출 검증)🤖 Generated with Claude Code