Mercurial > hg > nginx
diff src/http/ngx_http_upstream.c @ 6966:fa56ab75cffc
Upstream: allow recovery from "429 Too Many Requests" response.
This change adds "http_429" parameter to "proxy_next_upstream" for
retrying rate-limited requests, and to "proxy_cache_use_stale" for
serving stale cached responses after being rate-limited.
Signed-off-by: Piotr Sikora <piotrsikora@google.com>
author | Piotr Sikora <piotrsikora@google.com> |
---|---|
date | Fri, 24 Mar 2017 02:48:03 -0700 |
parents | 903fb1ddc07f |
children | 0cdee26605f3 |
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--- a/src/http/ngx_http_upstream.c +++ b/src/http/ngx_http_upstream.c @@ -436,6 +436,7 @@ static ngx_http_upstream_next_t ngx_htt { 504, NGX_HTTP_UPSTREAM_FT_HTTP_504 }, { 403, NGX_HTTP_UPSTREAM_FT_HTTP_403 }, { 404, NGX_HTTP_UPSTREAM_FT_HTTP_404 }, + { 429, NGX_HTTP_UPSTREAM_FT_HTTP_429 }, { 0, 0 } }; @@ -4126,6 +4127,10 @@ ngx_http_upstream_next(ngx_http_request_ status = NGX_HTTP_NOT_FOUND; break; + case NGX_HTTP_UPSTREAM_FT_HTTP_429: + status = NGX_HTTP_TOO_MANY_REQUESTS; + break; + /* * NGX_HTTP_UPSTREAM_FT_BUSY_LOCK and NGX_HTTP_UPSTREAM_FT_MAX_WAITING * never reach here