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68f997dd09
Add an opt-in mode so a key that exceeds its own max_budget is throttled to a globally configured percentage of its TPM/RPM instead of being blocked entirely. A new litellm_settings global, budget_exceeded_throttle_percentage, sets the fraction (e.g. 0.1 = 10%). A per-key throttle_on_budget_exceeded flag (stored in key metadata via the existing management-endpoint metadata routing) opts the key in. When both are set and the key is over budget, the budget check records the percentage on a request-scoped budget_throttle_pct instead of raising, and the rate limiter scales the key's configured TPM/RPM by it. Keys without the flag keep hard-blocking; team/user/org budgets are unaffected. The throttle is recomputed from the key's original limits on every request and the decision is cleared before the auth object is cached, so it never compounds across requests. Both the budget read-time check and the budget reservation path honor the opt-in, and both the v3 and legacy rate limiters apply the scaling. Enabling throttle_on_budget_exceeded is proxy-admin only. It converts an admin-imposed hard budget block into a soft throttle that keeps spending past max_budget, so a non-admin must not be able to self-opt-in and bypass their own spend cap. Both /key/generate and /key/update reject a non-admin setting it to true (update only gates the transition to enabled, so a non-admin can still edit other fields and turn the flag off). This matches the feature being wholly proxy-admin operated: the global percentage is admin-only too. A key that opts in but has no TPM or RPM limit has nothing to scale, so it stays hard-blocked rather than serving unlimited requests past its budget (fail-safe). The global budget_exceeded_throttle_percentage is configurable from the admin UI (Settings -> General Settings), persisted through litellm_settings so it survives a restart, not only from config.yaml. Resolves LIT-3894. Scope for LIT-3893. |
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| .. | ||
| test_admin_viewer_handler_access.py | ||
| test_auth_checks.py | ||
| test_auth_exception_handler.py | ||
| test_auth_hot_path_network_requests.py | ||
| test_auth_utils.py | ||
| test_banned_params_extra_body.py | ||
| test_cli_auth.py | ||
| test_custom_auth_end_user_budget.py | ||
| test_handle_jwt.py | ||
| test_info_routes.py | ||
| test_litellm_license.py | ||
| test_login_utils.py | ||
| test_mcp_ip_filtering.py | ||
| test_model_checks.py | ||
| test_model_checks_fallbacks.py | ||
| test_multi_budget_windows.py | ||
| test_network.py | ||
| test_oauth2_proxy_hook.py | ||
| test_object_permission_loading.py | ||
| test_onboarding.py | ||
| test_organization_budget_enforcement.py | ||
| test_password_hashing.py | ||
| test_resolvers_exceptions.py | ||
| test_resolvers_models.py | ||
| test_resolvers_seam.py | ||
| test_resolvers_store.py | ||
| test_route_checks.py | ||
| test_router_override_fallback_auth.py | ||
| test_team_member_budget.py | ||
| test_unmapped_model_budget_enforcement.py | ||
| test_user_api_key_auth.py | ||