Mercurial > hg > nginx
changeset 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 | 3ef4cadfad7f |
children | 3d0e8655f897 |
files | src/http/modules/ngx_http_fastcgi_module.c src/http/modules/ngx_http_proxy_module.c src/http/modules/ngx_http_scgi_module.c src/http/modules/ngx_http_uwsgi_module.c src/http/ngx_http_upstream.c src/http/ngx_http_upstream.h |
diffstat | 6 files changed, 16 insertions(+), 5 deletions(-) [+] |
line wrap: on
line diff
--- a/src/http/modules/ngx_http_fastcgi_module.c Fri Mar 24 02:48:03 2017 -0700 +++ b/src/http/modules/ngx_http_fastcgi_module.c Fri Mar 24 02:48:03 2017 -0700 @@ -211,6 +211,7 @@ { ngx_string("http_503"), NGX_HTTP_UPSTREAM_FT_HTTP_503 }, { ngx_string("http_403"), NGX_HTTP_UPSTREAM_FT_HTTP_403 }, { ngx_string("http_404"), NGX_HTTP_UPSTREAM_FT_HTTP_404 }, + { ngx_string("http_429"), NGX_HTTP_UPSTREAM_FT_HTTP_429 }, { ngx_string("updating"), NGX_HTTP_UPSTREAM_FT_UPDATING }, { ngx_string("off"), NGX_HTTP_UPSTREAM_FT_OFF }, { ngx_null_string, 0 }
--- a/src/http/modules/ngx_http_proxy_module.c Fri Mar 24 02:48:03 2017 -0700 +++ b/src/http/modules/ngx_http_proxy_module.c Fri Mar 24 02:48:03 2017 -0700 @@ -220,6 +220,7 @@ { ngx_string("http_504"), NGX_HTTP_UPSTREAM_FT_HTTP_504 }, { ngx_string("http_403"), NGX_HTTP_UPSTREAM_FT_HTTP_403 }, { ngx_string("http_404"), NGX_HTTP_UPSTREAM_FT_HTTP_404 }, + { ngx_string("http_429"), NGX_HTTP_UPSTREAM_FT_HTTP_429 }, { ngx_string("updating"), NGX_HTTP_UPSTREAM_FT_UPDATING }, { ngx_string("off"), NGX_HTTP_UPSTREAM_FT_OFF }, { ngx_null_string, 0 }
--- a/src/http/modules/ngx_http_scgi_module.c Fri Mar 24 02:48:03 2017 -0700 +++ b/src/http/modules/ngx_http_scgi_module.c Fri Mar 24 02:48:03 2017 -0700 @@ -82,6 +82,7 @@ { ngx_string("http_503"), NGX_HTTP_UPSTREAM_FT_HTTP_503 }, { ngx_string("http_403"), NGX_HTTP_UPSTREAM_FT_HTTP_403 }, { ngx_string("http_404"), NGX_HTTP_UPSTREAM_FT_HTTP_404 }, + { ngx_string("http_429"), NGX_HTTP_UPSTREAM_FT_HTTP_429 }, { ngx_string("updating"), NGX_HTTP_UPSTREAM_FT_UPDATING }, { ngx_string("off"), NGX_HTTP_UPSTREAM_FT_OFF }, { ngx_null_string, 0 }
--- a/src/http/modules/ngx_http_uwsgi_module.c Fri Mar 24 02:48:03 2017 -0700 +++ b/src/http/modules/ngx_http_uwsgi_module.c Fri Mar 24 02:48:03 2017 -0700 @@ -114,6 +114,7 @@ { ngx_string("http_503"), NGX_HTTP_UPSTREAM_FT_HTTP_503 }, { ngx_string("http_403"), NGX_HTTP_UPSTREAM_FT_HTTP_403 }, { ngx_string("http_404"), NGX_HTTP_UPSTREAM_FT_HTTP_404 }, + { ngx_string("http_429"), NGX_HTTP_UPSTREAM_FT_HTTP_429 }, { ngx_string("updating"), NGX_HTTP_UPSTREAM_FT_UPDATING }, { ngx_string("off"), NGX_HTTP_UPSTREAM_FT_OFF }, { ngx_null_string, 0 }
--- a/src/http/ngx_http_upstream.c Fri Mar 24 02:48:03 2017 -0700 +++ b/src/http/ngx_http_upstream.c Fri Mar 24 02:48:03 2017 -0700 @@ -436,6 +436,7 @@ { 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 @@ 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
--- a/src/http/ngx_http_upstream.h Fri Mar 24 02:48:03 2017 -0700 +++ b/src/http/ngx_http_upstream.h Fri Mar 24 02:48:03 2017 -0700 @@ -26,10 +26,11 @@ #define NGX_HTTP_UPSTREAM_FT_HTTP_504 0x00000080 #define NGX_HTTP_UPSTREAM_FT_HTTP_403 0x00000100 #define NGX_HTTP_UPSTREAM_FT_HTTP_404 0x00000200 -#define NGX_HTTP_UPSTREAM_FT_UPDATING 0x00000400 -#define NGX_HTTP_UPSTREAM_FT_BUSY_LOCK 0x00000800 -#define NGX_HTTP_UPSTREAM_FT_MAX_WAITING 0x00001000 -#define NGX_HTTP_UPSTREAM_FT_NON_IDEMPOTENT 0x00002000 +#define NGX_HTTP_UPSTREAM_FT_HTTP_429 0x00000400 +#define NGX_HTTP_UPSTREAM_FT_UPDATING 0x00000800 +#define NGX_HTTP_UPSTREAM_FT_BUSY_LOCK 0x00001000 +#define NGX_HTTP_UPSTREAM_FT_MAX_WAITING 0x00002000 +#define NGX_HTTP_UPSTREAM_FT_NON_IDEMPOTENT 0x00004000 #define NGX_HTTP_UPSTREAM_FT_NOLIVE 0x40000000 #define NGX_HTTP_UPSTREAM_FT_OFF 0x80000000 @@ -38,7 +39,8 @@ |NGX_HTTP_UPSTREAM_FT_HTTP_503 \ |NGX_HTTP_UPSTREAM_FT_HTTP_504 \ |NGX_HTTP_UPSTREAM_FT_HTTP_403 \ - |NGX_HTTP_UPSTREAM_FT_HTTP_404) + |NGX_HTTP_UPSTREAM_FT_HTTP_404 \ + |NGX_HTTP_UPSTREAM_FT_HTTP_429) #define NGX_HTTP_UPSTREAM_INVALID_HEADER 40