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Upstream: honor the "down" flag for a single server.

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If an upstream block was defined with the only server marked as
"down", e.g.

    upstream u {
        server 127.0.0.1:8080 down;
    }

an attempt was made to contact the server despite the "down" flag.
It is believed that immediate 502 response is better in such a
case, and it's also consistent with what is currently done in case
of multiple servers all marked as "down".
This commit is contained in:
Ruslan Ermilov 2012-11-16 12:18:05 +00:00
parent b67dbca1ca
commit 4d0d2b20ac
1 changed files with 4 additions and 0 deletions
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4
src/http/ngx_http_upstream_round_robin.c
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@ -430,6 +430,10 @@ ngx_http_upstream_get_round_robin_peer(ngx_peer_connection_t *pc, void *data)
if (rrp->peers->single) {
peer = &rrp->peers->peer[0];
if (peer->down) {
goto failed;
}
} else {
/* there are several peers */