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Lukasz Jagiello
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Patch for nginx 1.12.1+
Nginx 1.12 was released recently in this PR working patch for the latest stable nginx. Fix issue - yaoweibin#136
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‎check_1.12.1+.patch

+238
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@@ -0,0 +1,238 @@
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diff -burN nginx-1.12.1_orig/src/http/modules/ngx_http_upstream_hash_module.c nginx-1.12.1/src/http/modules/ngx_http_upstream_hash_module.c
2+
--- nginx-1.12.1_orig/src/http/modules/ngx_http_upstream_hash_module.c 2017-07-11 13:24:08.000000000 +0000
3+
+++ nginx-1.12.1/src/http/modules/ngx_http_upstream_hash_module.c 2017-07-13 17:58:44.687213233 +0000
4+
@@ -9,6 +9,9 @@
5+
#include <ngx_core.h>
6+
#include <ngx_http.h>
7+
8+
+#if (NGX_HTTP_UPSTREAM_CHECK)
9+
+#include "ngx_http_upstream_check_module.h"
10+
+#endif
11+
12+
typedef struct {
13+
uint32_t hash;
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@@ -235,6 +238,14 @@
15+
goto next;
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}
17+
18+
+#if (NGX_HTTP_UPSTREAM_CHECK)
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+ ngx_log_debug1(NGX_LOG_DEBUG_HTTP, pc->log, 0,
20+
+ "get hash peer, check_index: %ui", peer->check_index);
21+
+ if (ngx_http_upstream_check_peer_down(peer->check_index)) {
22+
+ goto next;
23+
+ }
24+
+#endif
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+
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if (peer->max_fails
27+
&& peer->fails >= peer->max_fails
28+
&& now - peer->checked <= peer->fail_timeout)
29+
@@ -538,6 +549,15 @@
30+
continue;
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}
32+
33+
+#if (NGX_HTTP_UPSTREAM_CHECK)
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+ ngx_log_debug1(NGX_LOG_DEBUG_HTTP, pc->log, 0,
35+
+ "get consistent_hash peer, check_index: %ui",
36+
+ peer->check_index);
37+
+ if (ngx_http_upstream_check_peer_down(peer->check_index)) {
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+ continue;
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+ }
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+#endif
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+
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if (peer->server.len != server->len
43+
|| ngx_strncmp(peer->server.data, server->data, server->len)
44+
!= 0)
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diff -burN nginx-1.12.1_orig/src/http/modules/ngx_http_upstream_ip_hash_module.c nginx-1.12.1/src/http/modules/ngx_http_upstream_ip_hash_module.c
46+
--- nginx-1.12.1_orig/src/http/modules/ngx_http_upstream_ip_hash_module.c 2017-07-11 13:24:08.000000000 +0000
47+
+++ nginx-1.12.1/src/http/modules/ngx_http_upstream_ip_hash_module.c 2017-07-13 17:59:48.205692500 +0000
48+
@@ -9,6 +9,9 @@
49+
#include <ngx_core.h>
50+
#include <ngx_http.h>
51+
52+
+#if (NGX_HTTP_UPSTREAM_CHECK)
53+
+#include "ngx_http_upstream_check_module.h"
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+#endif
55+
56+
typedef struct {
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/* the round robin data must be first */
58+
@@ -205,6 +208,15 @@
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goto next;
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}
61+
62+
+#if (NGX_HTTP_UPSTREAM_CHECK)
63+
+ ngx_log_debug1(NGX_LOG_DEBUG_HTTP, pc->log, 0,
64+
+ "get ip_hash peer, check_index: %ui",
65+
+ peer->check_index);
66+
+ if (ngx_http_upstream_check_peer_down(peer->check_index)) {
67+
+ goto next;
68+
+ }
69+
+#endif
70+
+
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if (peer->max_fails
72+
&& peer->fails >= peer->max_fails
73+
&& now - peer->checked <= peer->fail_timeout)
74+
diff -burN nginx-1.12.1_orig/src/http/modules/ngx_http_upstream_least_conn_module.c nginx-1.12.1/src/http/modules/ngx_http_upstream_least_conn_module.c
75+
--- nginx-1.12.1_orig/src/http/modules/ngx_http_upstream_least_conn_module.c 2017-07-11 13:24:08.000000000 +0000
76+
+++ nginx-1.12.1/src/http/modules/ngx_http_upstream_least_conn_module.c 2017-07-13 18:05:34.417398156 +0000
77+
@@ -9,6 +9,10 @@
78+
#include <ngx_core.h>
79+
#include <ngx_http.h>
80+
81+
+#if (NGX_HTTP_UPSTREAM_CHECK)
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+#include "ngx_http_upstream_check_module.h"
83+
+#endif
84+
+
85+
86+
static ngx_int_t ngx_http_upstream_init_least_conn_peer(ngx_http_request_t *r,
87+
ngx_http_upstream_srv_conf_t *us);
88+
@@ -147,6 +151,16 @@
89+
continue;
90+
}
91+
92+
+#if (NGX_HTTP_UPSTREAM_CHECK)
93+
+ ngx_log_debug1(NGX_LOG_DEBUG_HTTP, pc->log, 0,
94+
+ "get least_conn peer, check_index: %ui",
95+
+ peer->check_index);
96+
+
97+
+ if (ngx_http_upstream_check_peer_down(peer->check_index)) {
98+
+ continue;
99+
+ }
100+
+#endif
101+
+
102+
if (peer->max_fails
103+
&& peer->fails >= peer->max_fails
104+
&& now - peer->checked <= peer->fail_timeout)
105+
@@ -202,6 +216,16 @@
106+
continue;
107+
}
108+
109+
+#if (NGX_HTTP_UPSTREAM_CHECK)
110+
+ ngx_log_debug1(NGX_LOG_DEBUG_HTTP, pc->log, 0,
111+
+ "get least_conn peer, check_index: %ui",
112+
+ peer->check_index);
113+
+
114+
+ if (ngx_http_upstream_check_peer_down(peer->check_index)) {
115+
+ continue;
116+
+ }
117+
+#endif
118+
+
119+
if (peer->conns * best->weight != best->conns * peer->weight) {
120+
continue;
121+
}
122+
diff -burN nginx-1.12.1_orig/src/http/ngx_http_upstream_round_robin.c nginx-1.12.1/src/http/ngx_http_upstream_round_robin.c
123+
--- nginx-1.12.1_orig/src/http/ngx_http_upstream_round_robin.c 2017-07-11 13:24:09.000000000 +0000
124+
+++ nginx-1.12.1/src/http/ngx_http_upstream_round_robin.c 2017-07-13 18:13:00.510764315 +0000
125+
@@ -9,6 +9,10 @@
126+
#include <ngx_core.h>
127+
#include <ngx_http.h>
128+
129+
+#if (NGX_HTTP_UPSTREAM_CHECK)
130+
+#include "ngx_http_upstream_check_module.h"
131+
+#endif
132+
+
133+
134+
#define ngx_http_upstream_tries(p) ((p)->number \
135+
+ ((p)->next ? (p)->next->number : 0))
136+
@@ -98,6 +102,15 @@
137+
peer[n].down = server[i].down;
138+
peer[n].server = server[i].name;
139+
140+
+#if (NGX_HTTP_UPSTREAM_CHECK)
141+
+ if (!server[i].down) {
142+
+ peer[n].check_index =
143+
+ ngx_http_upstream_check_add_peer(cf, us, &server[i].addrs[j]);
144+
+ } else {
145+
+ peer[n].check_index = (ngx_uint_t) NGX_ERROR;
146+
+ }
147+
+#endif
148+
+
149+
*peerp = &peer[n];
150+
peerp = &peer[n].next;
151+
n++;
152+
@@ -162,6 +175,16 @@
153+
peer[n].down = server[i].down;
154+
peer[n].server = server[i].name;
155+
156+
+#if (NGX_HTTP_UPSTREAM_CHECK)
157+
+ if (!server[i].down) {
158+
+ peer[n].check_index =
159+
+ ngx_http_upstream_check_add_peer(cf, us, &server[i].addrs[j]);
160+
+ }
161+
+ else {
162+
+ peer[n].check_index = (ngx_uint_t) NGX_ERROR;
163+
+ }
164+
+#endif
165+
+
166+
*peerp = &peer[n];
167+
peerp = &peer[n].next;
168+
n++;
169+
@@ -228,6 +251,9 @@
170+
peer[i].max_conns = 0;
171+
peer[i].max_fails = 1;
172+
peer[i].fail_timeout = 10;
173+
+#if (NGX_HTTP_UPSTREAM_CHECK)
174+
+ peer[i].check_index = (ngx_uint_t) NGX_ERROR;
175+
+#endif
176+
*peerp = &peer[i];
177+
peerp = &peer[i].next;
178+
}
179+
@@ -344,6 +370,9 @@
180+
peer[0].max_conns = 0;
181+
peer[0].max_fails = 1;
182+
peer[0].fail_timeout = 10;
183+
+#if (NGX_HTTP_UPSTREAM_CHECK)
184+
+ peer[0].check_index = (ngx_uint_t) NGX_ERROR;
185+
+#endif
186+
peers->peer = peer;
187+
188+
} else {
189+
@@ -378,6 +407,9 @@
190+
peer[i].max_conns = 0;
191+
peer[i].max_fails = 1;
192+
peer[i].fail_timeout = 10;
193+
+#if (NGX_HTTP_UPSTREAM_CHECK)
194+
+ peer[i].check_index = (ngx_uint_t) NGX_ERROR;
195+
+#endif
196+
*peerp = &peer[i];
197+
peerp = &peer[i].next;
198+
}
199+
@@ -443,6 +475,12 @@
200+
goto failed;
201+
}
202+
203+
+#if (NGX_HTTP_UPSTREAM_CHECK)
204+
+ if (ngx_http_upstream_check_peer_down(peer->check_index)) {
205+
+ goto failed;
206+
+ }
207+
+#endif
208+
+
209+
rrp->current = peer;
210+
211+
} else {
212+
@@ -537,6 +575,12 @@
213+
continue;
214+
}
215+
216+
+#if (NGX_HTTP_UPSTREAM_CHECK)
217+
+ if (ngx_http_upstream_check_peer_down(peer->check_index)) {
218+
+ continue;
219+
+ }
220+
+#endif
221+
+
222+
if (peer->max_fails
223+
&& peer->fails >= peer->max_fails
224+
&& now - peer->checked <= peer->fail_timeout)
225+
diff -burN nginx-1.12.1_orig/src/http/ngx_http_upstream_round_robin.h nginx-1.12.1/src/http/ngx_http_upstream_round_robin.h
226+
--- nginx-1.12.1_orig/src/http/ngx_http_upstream_round_robin.h 2017-07-11 13:24:09.000000000 +0000
227+
+++ nginx-1.12.1/src/http/ngx_http_upstream_round_robin.h 2017-07-13 18:13:30.254055435 +0000
228+
@@ -38,6 +38,10 @@
229+
ngx_msec_t slow_start;
230+
ngx_msec_t start_time;
231+
232+
+#if (NGX_HTTP_UPSTREAM_CHECK)
233+
+ ngx_uint_t check_index;
234+
+#endif
235+
+
236+
ngx_uint_t down;
237+
238+
#if (NGX_HTTP_SSL || NGX_COMPAT)

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