alibaba/tengine-ingress

Supports appending HTTP headers of the user response to client based on canary routing of header, cookie or query

lianglli opened this issue · 1 comments

lianglli commented

nginx.ingress.kubernetes.io/canary-response-append-header

lianglli commented

虽然RFC2616默认使用','分割同一个header的多个header值，但是upstream可自定义不同的分隔符，例如'|'，'&'等等。
并且，对upstream的响应消息头追加header值存在的一定风险，此类场景应全权由后端upstream处理，反向代理网关不再提供此类流量染色规则。