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| author | Piotr Sikora <piotrsikora@google.com> | 2017-03-24 02:48:03 -0700 |
|---|---|---|
| committer | Piotr Sikora <piotrsikora@google.com> | 2017-03-24 02:48:03 -0700 |
| commit | ca1a5057e2a0429350ec2d07c4616a75e34424e3 (patch) | |
| tree | 1f541379013606a8dc6505a26f3ca8710de085e2 /src/http/ngx_http_upstream.c | |
| parent | c3ce606652aeac465895ab8eb8c6fc195d7db16b (diff) | |
| download | nginx-ca1a5057e2a0429350ec2d07c4616a75e34424e3.tar.gz nginx-ca1a5057e2a0429350ec2d07c4616a75e34424e3.zip | |
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>
Diffstat (limited to 'src/http/ngx_http_upstream.c')
| -rw-r--r-- | src/http/ngx_http_upstream.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/http/ngx_http_upstream.c b/src/http/ngx_http_upstream.c index 43079563d..36952860c 100644 --- 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_http_upstream_next_errors[] = { { 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_t *r, ngx_http_upstream_t *u, 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 |