Envoy 1.9.0 发布，面向服务架构的 L7 代理和通信总线

Envoy 1.9.0 已发布，Envoy 是一个 L7 代理和通信总线，专为大型现代服务架构而设计。这个项目诞生源于以下目标：

对于应用程序而言，网络应该是透明的，当发生网络和应用程序故障时，能够很容易定位出问题的根源。

该版本包含大量更新内容，部分如下：

• access log: added a JSON logging mode to output access logs in JSON format.

• access log: added dynamic metadata to access log messages streamed over gRPC.

• access log: added DOWNSTREAM_CONNECTION_TERMINATION.

• admin: POST /logging now responds with 200 while there are no params.

• admin: added support for displaying subject alternate names in certs end point.

• admin: added host weight to the GET /clusters?format=json end point response.

• admin: GET /server_info now responds with a JSON object instead of a single string.

• admin: GET /server_info now exposes what stage of initialization the server is currently in.

• admin: added support for displaying command line options in GET /server_info end point.

• circuit-breaker: added cx_open, rq_pending_open, rq_open and rq_retry_open gauges to expose live state via circuit breakers statistics .

• cluster: set a default of 1s for option .

• config: removed support for the v1 API.

• config: added support for rate limiting discovery request calls.

• cors: added invalid/valid stats to filter.

• ……

完整内容请查阅 更新日志

源码下载：