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fix(gateway): parse gateway.api_server YAML config section (#66630)

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The gateway ignored  config when defined through
YAML (config.yaml). The API server only started when environment
variables like  and  were set,
even though other gateway subsections like  were
processed correctly.

Two changes in gateway/config.py's load_gateway_config():
1. Merge platform configs placed directly under gateway.*
   (e.g. gateway.api_server) via _merge_platform_map, matching
   the existing gateway.platforms.* and platforms.* merge
   paths.  Only keys matching known Platform values are picked up;
   non-platform keys like streaming are safely ignored.
2. Bridge api_server-specific keys (port, key, host, cors_origins,
   model_name) from the top-level config block into the extra
   dict so PlatformConfig.from_dict preserves them — matching what
   _apply_env_overrides already does for env var values.
This commit is contained in:
kyssta-exe 2026-07-18 19:34:59 +00:00 • committed by Teknium
parent 089f09fa5f
commit 53e6435908
1 changed files with 35 additions and 0 deletions
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35
gateway/config.py
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@ -1404,6 +1404,41 @@ def load_gateway_config() -> GatewayConfig:
_merge_platform_map(gateway_platforms)
_merge_platform_map(yaml_cfg.get("platforms"))
# Also merge platform configs placed directly under ``gateway.*``
# (e.g. ``gateway.api_server``) so subsections are discovered the
# same way ``gateway.streaming`` is handled elsewhere. Iterate
# all ``gateway:*`` keys and merge only those that match a known
# platform value, skipping reserved keys like ``platforms``.
if isinstance(gateway_cfg, dict):
_nested_platforms: dict = {}
for _k, _v in gateway_cfg.items():
if _k == "platforms":
continue
try:
Platform(_k)
except (ValueError, AttributeError):
continue
if isinstance(_v, dict):
_nested_platforms[_k] = _v
if _nested_platforms:
_merge_platform_map(_nested_platforms)
# Bridge api_server-specific keys (port, key, host, cors_origins,
# model_name) into extra so PlatformConfig.from_dict preserves
# them — adapting what _apply_env_overrides does for env vars to
# the YAML path. Users writing ``gateway.api_server.port: 8642``
# expect these to end up in the platform's extra dict.
_api_plat = platforms_data.get("api_server")
if isinstance(_api_plat, dict):
_api_extra = _api_plat.get("extra")
if not isinstance(_api_extra, dict):
_api_extra = {}
_api_plat["extra"] = _api_extra
for _bridge_key in ("port", "key", "host", "cors_origins", "model_name"):
if _bridge_key in _api_plat and _bridge_key not in _api_extra:
_api_extra[_bridge_key] = _api_plat.pop(_bridge_key)
if platforms_data:
gw_data["platforms"] = platforms_data
# Iterate built-in platforms plus any registered plugin platforms