EnvoyHeaders

适用于网格和网关的 EnvoyHeader 配置

枚举
ENVOY_HEADERS_UNSPECIFIED 默认值为“无”。
NONE 抑制 Envoy 调试标头。
DEBUG_HEADERS Envoy 会将默认的内部调试标头插入到上游请求中:x-envoy-attempt-count x-envoy-is-timeout-retry x-envoy-expected-rq-timeout-ms x-envoy-original-path x-envoy-upstream-stream-duration-ms