Revert "return 503 if not all upstreams are up"

Author: denji

ngx_http_upstream_check_module.c

@@ -2915,10 +2915,8 @@ static ngx_int_t
 ngx_http_upstream_check_status_handler(ngx_http_request_t *r) {
     size_t                                 buffer_size;
     ngx_int_t                              rc;
-    ngx_uint_t                             i, all_up;
     ngx_buf_t                             *b;
     ngx_chain_t                            out;
-    ngx_http_upstream_check_peer_t        *peer;
     ngx_http_upstream_check_peers_t       *peers;
     ngx_http_upstream_check_loc_conf_t    *uclcf;
     ngx_http_upstream_check_status_ctx_t  *ctx;
@@ -2981,22 +2979,7 @@ ngx_http_upstream_check_status_handler(ngx_http_request_t *r) {
 
     ctx->format->output(b, peers, ctx->flag);
 
-
-    // check if all peers are up or not
-    peer = peers->peers.elts;
-    all_up = 1;
-    for (i = 0; i < peers->peers.nelts; i++) {
-        if (peer[i].shm->down) {
-            all_up = 0;
-            break;
-        }
-    }
-
-    if (all_up == 1) {
-        r->headers_out.status = NGX_HTTP_OK;
-    } else {
-        r->headers_out.status = NGX_HTTP_SERVICE_UNAVAILABLE;
-    }
+    r->headers_out.status = NGX_HTTP_OK;
     r->headers_out.content_length_n = b->last - b->pos;
 
     if (r->headers_out.content_length_n == 0) {