Upstream: warn if multiple non-stackable balancers are installed.
diff --git a/src/http/modules/ngx_http_upstream_ip_hash_module.c b/src/http/modules/ngx_http_upstream_ip_hash_module.c
index 89ccc2b..29c74fd 100644
--- a/src/http/modules/ngx_http_upstream_ip_hash_module.c
+++ b/src/http/modules/ngx_http_upstream_ip_hash_module.c
@@ -252,6 +252,11 @@
uscf = ngx_http_conf_get_module_srv_conf(cf, ngx_http_upstream_module);
+ if (uscf->peer.init_upstream) {
+ ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
+ "load balancing method redefined");
+ }
+
uscf->peer.init_upstream = ngx_http_upstream_init_ip_hash;
uscf->flags = NGX_HTTP_UPSTREAM_CREATE
diff --git a/src/http/modules/ngx_http_upstream_least_conn_module.c b/src/http/modules/ngx_http_upstream_least_conn_module.c
index 6066ed2..87c4d8d 100644
--- a/src/http/modules/ngx_http_upstream_least_conn_module.c
+++ b/src/http/modules/ngx_http_upstream_least_conn_module.c
@@ -387,6 +387,11 @@
uscf = ngx_http_conf_get_module_srv_conf(cf, ngx_http_upstream_module);
+ if (uscf->peer.init_upstream) {
+ ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
+ "load balancing method redefined");
+ }
+
uscf->peer.init_upstream = ngx_http_upstream_init_least_conn;
uscf->flags = NGX_HTTP_UPSTREAM_CREATE
