Mercurial > hg > nginx-site
annotate xml/en/docs/http/ngx_http_upstream_hc_module.xml @ 1946:37df1535ea91
Moved info from http "health_check" and "match" to intro.
author | Yaroslav Zhuravlev <yar@nginx.com> |
---|---|
date | Thu, 30 Mar 2017 21:26:44 +0300 |
parents | 88477c5d2751 |
children | 8f9c685dfabd |
rev | line source |
---|---|
293
34246e706f48
English translation of the ngx_http_upstream_module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1 <?xml version="1.0"?> |
34246e706f48
English translation of the ngx_http_upstream_module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
2 |
580
be54c443235a
Added copyright markers to documentation sources.
Ruslan Ermilov <ru@nginx.com>
parents:
566
diff
changeset
|
3 <!-- |
be54c443235a
Added copyright markers to documentation sources.
Ruslan Ermilov <ru@nginx.com>
parents:
566
diff
changeset
|
4 Copyright (C) Nginx, Inc. |
be54c443235a
Added copyright markers to documentation sources.
Ruslan Ermilov <ru@nginx.com>
parents:
566
diff
changeset
|
5 --> |
be54c443235a
Added copyright markers to documentation sources.
Ruslan Ermilov <ru@nginx.com>
parents:
566
diff
changeset
|
6 |
293
34246e706f48
English translation of the ngx_http_upstream_module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
7 <!DOCTYPE module SYSTEM "../../../../dtd/module.dtd"> |
34246e706f48
English translation of the ngx_http_upstream_module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
8 |
1945
88477c5d2751
Moved "health_check" and "match" to ngx_http_upstream_hc_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1925
diff
changeset
|
9 <module name="Module ngx_http_upstream_hc_module" |
88477c5d2751
Moved "health_check" and "match" to ngx_http_upstream_hc_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1925
diff
changeset
|
10 link="/en/docs/http/ngx_http_upstream_hc_module.html" |
589 | 11 lang="en" |
1946
37df1535ea91
Moved info from http "health_check" and "match" to intro.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1945
diff
changeset
|
12 rev="2"> |
293
34246e706f48
English translation of the ngx_http_upstream_module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
13 |
34246e706f48
English translation of the ngx_http_upstream_module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
14 <section id="summary"> |
34246e706f48
English translation of the ngx_http_upstream_module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
15 |
34246e706f48
English translation of the ngx_http_upstream_module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
16 <para> |
1945
88477c5d2751
Moved "health_check" and "match" to ngx_http_upstream_hc_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1925
diff
changeset
|
17 The <literal>ngx_http_upstream_hc_module</literal> module |
88477c5d2751
Moved "health_check" and "match" to ngx_http_upstream_hc_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1925
diff
changeset
|
18 allows enabling periodic health checks of the servers in a |
88477c5d2751
Moved "health_check" and "match" to ngx_http_upstream_hc_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1925
diff
changeset
|
19 <link doc="ngx_http_upstream_module.xml" id="upstream">group</link> |
88477c5d2751
Moved "health_check" and "match" to ngx_http_upstream_hc_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1925
diff
changeset
|
20 referenced in the surrounding location. |
1946
37df1535ea91
Moved info from http "health_check" and "match" to intro.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1945
diff
changeset
|
21 The server group must reside in the |
37df1535ea91
Moved info from http "health_check" and "match" to intro.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1945
diff
changeset
|
22 <link doc="ngx_http_upstream_module.xml" id="zone">shared memory</link>. |
37df1535ea91
Moved info from http "health_check" and "match" to intro.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1945
diff
changeset
|
23 </para> |
37df1535ea91
Moved info from http "health_check" and "match" to intro.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1945
diff
changeset
|
24 |
37df1535ea91
Moved info from http "health_check" and "match" to intro.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1945
diff
changeset
|
25 <para> |
37df1535ea91
Moved info from http "health_check" and "match" to intro.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1945
diff
changeset
|
26 If a health check fails, |
37df1535ea91
Moved info from http "health_check" and "match" to intro.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1945
diff
changeset
|
27 the server will be considered unhealthy. |
37df1535ea91
Moved info from http "health_check" and "match" to intro.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1945
diff
changeset
|
28 If several health checks are defined for the same group of servers, |
37df1535ea91
Moved info from http "health_check" and "match" to intro.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1945
diff
changeset
|
29 a single failure of any check will make the corresponding server be |
37df1535ea91
Moved info from http "health_check" and "match" to intro.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1945
diff
changeset
|
30 considered unhealthy. |
37df1535ea91
Moved info from http "health_check" and "match" to intro.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1945
diff
changeset
|
31 Client requests are not passed to unhealthy servers |
37df1535ea91
Moved info from http "health_check" and "match" to intro.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1945
diff
changeset
|
32 and servers in the “checking” state. |
37df1535ea91
Moved info from http "health_check" and "match" to intro.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1945
diff
changeset
|
33 </para> |
37df1535ea91
Moved info from http "health_check" and "match" to intro.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1945
diff
changeset
|
34 |
37df1535ea91
Moved info from http "health_check" and "match" to intro.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1945
diff
changeset
|
35 <para> |
37df1535ea91
Moved info from http "health_check" and "match" to intro.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1945
diff
changeset
|
36 <note> |
37df1535ea91
Moved info from http "health_check" and "match" to intro.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1945
diff
changeset
|
37 Please note that most of the variables will have empty values |
37df1535ea91
Moved info from http "health_check" and "match" to intro.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1945
diff
changeset
|
38 when used with health checks. |
37df1535ea91
Moved info from http "health_check" and "match" to intro.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1945
diff
changeset
|
39 </note> |
1945
88477c5d2751
Moved "health_check" and "match" to ngx_http_upstream_hc_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1925
diff
changeset
|
40 </para> |
88477c5d2751
Moved "health_check" and "match" to ngx_http_upstream_hc_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1925
diff
changeset
|
41 |
88477c5d2751
Moved "health_check" and "match" to ngx_http_upstream_hc_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1925
diff
changeset
|
42 <para> |
88477c5d2751
Moved "health_check" and "match" to ngx_http_upstream_hc_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1925
diff
changeset
|
43 <note> |
88477c5d2751
Moved "health_check" and "match" to ngx_http_upstream_hc_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1925
diff
changeset
|
44 This module is available as part of our |
88477c5d2751
Moved "health_check" and "match" to ngx_http_upstream_hc_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1925
diff
changeset
|
45 <commercial_version>commercial subscription</commercial_version>. |
88477c5d2751
Moved "health_check" and "match" to ngx_http_upstream_hc_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1925
diff
changeset
|
46 </note> |
293
34246e706f48
English translation of the ngx_http_upstream_module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
47 </para> |
34246e706f48
English translation of the ngx_http_upstream_module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
48 |
34246e706f48
English translation of the ngx_http_upstream_module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
49 </section> |
34246e706f48
English translation of the ngx_http_upstream_module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
50 |
34246e706f48
English translation of the ngx_http_upstream_module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
51 |
34246e706f48
English translation of the ngx_http_upstream_module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
52 <section id="example" name="Example Configuration"> |
34246e706f48
English translation of the ngx_http_upstream_module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
53 |
34246e706f48
English translation of the ngx_http_upstream_module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
54 <para> |
34246e706f48
English translation of the ngx_http_upstream_module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
55 <example> |
1945
88477c5d2751
Moved "health_check" and "match" to ngx_http_upstream_hc_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1925
diff
changeset
|
56 upstream dynamic { |
1259
954dcc02cb63
Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents:
1241
diff
changeset
|
57 zone upstream_dynamic 64k; |
953
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
58 |
1259
954dcc02cb63
Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents:
1241
diff
changeset
|
59 server backend1.example.com weight=5; |
954dcc02cb63
Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents:
1241
diff
changeset
|
60 server backend2.example.com:8080 fail_timeout=5s slow_start=30s; |
953
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
61 server 192.0.2.1 max_fails=3; |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
62 |
1259
954dcc02cb63
Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents:
1241
diff
changeset
|
63 server backup1.example.com:8080 backup; |
954dcc02cb63
Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents:
1241
diff
changeset
|
64 server backup2.example.com:8080 backup; |
953
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
65 } |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
66 |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
67 server { |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
68 location / { |
1945
88477c5d2751
Moved "health_check" and "match" to ngx_http_upstream_hc_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1925
diff
changeset
|
69 proxy_pass http://dynamic; |
953
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
70 health_check; |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
71 } |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
72 } |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
73 </example> |
1946
37df1535ea91
Moved info from http "health_check" and "match" to intro.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1945
diff
changeset
|
74 With this configuration, nginx will send “<literal>/</literal>” requests to each |
37df1535ea91
Moved info from http "health_check" and "match" to intro.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1945
diff
changeset
|
75 server in the <literal>backend</literal> group every five seconds. |
37df1535ea91
Moved info from http "health_check" and "match" to intro.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1945
diff
changeset
|
76 If any communication error or timeout occurs, or a |
37df1535ea91
Moved info from http "health_check" and "match" to intro.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1945
diff
changeset
|
77 proxied server responds with the status code other than |
37df1535ea91
Moved info from http "health_check" and "match" to intro.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1945
diff
changeset
|
78 2xx or 3xx, the health check will fail, and the server will |
37df1535ea91
Moved info from http "health_check" and "match" to intro.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1945
diff
changeset
|
79 be considered unhealthy. |
37df1535ea91
Moved info from http "health_check" and "match" to intro.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1945
diff
changeset
|
80 </para> |
37df1535ea91
Moved info from http "health_check" and "match" to intro.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1945
diff
changeset
|
81 |
37df1535ea91
Moved info from http "health_check" and "match" to intro.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1945
diff
changeset
|
82 <para> |
37df1535ea91
Moved info from http "health_check" and "match" to intro.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1945
diff
changeset
|
83 Health checks can be configured to test the status code of a response, |
37df1535ea91
Moved info from http "health_check" and "match" to intro.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1945
diff
changeset
|
84 presence of certain header fields and their values, |
37df1535ea91
Moved info from http "health_check" and "match" to intro.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1945
diff
changeset
|
85 and the body contents. |
37df1535ea91
Moved info from http "health_check" and "match" to intro.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1945
diff
changeset
|
86 Tests are configured separately using the <link id="match"/> directive |
37df1535ea91
Moved info from http "health_check" and "match" to intro.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1945
diff
changeset
|
87 and referenced in the <literal>match</literal> parameter |
37df1535ea91
Moved info from http "health_check" and "match" to intro.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1945
diff
changeset
|
88 of the <link id="health_check"/> directive: |
37df1535ea91
Moved info from http "health_check" and "match" to intro.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1945
diff
changeset
|
89 <example> |
37df1535ea91
Moved info from http "health_check" and "match" to intro.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1945
diff
changeset
|
90 http { |
37df1535ea91
Moved info from http "health_check" and "match" to intro.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1945
diff
changeset
|
91 server { |
37df1535ea91
Moved info from http "health_check" and "match" to intro.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1945
diff
changeset
|
92 ... |
37df1535ea91
Moved info from http "health_check" and "match" to intro.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1945
diff
changeset
|
93 location / { |
37df1535ea91
Moved info from http "health_check" and "match" to intro.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1945
diff
changeset
|
94 proxy_pass http://backend; |
37df1535ea91
Moved info from http "health_check" and "match" to intro.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1945
diff
changeset
|
95 health_check match=welcome; |
37df1535ea91
Moved info from http "health_check" and "match" to intro.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1945
diff
changeset
|
96 } |
37df1535ea91
Moved info from http "health_check" and "match" to intro.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1945
diff
changeset
|
97 } |
37df1535ea91
Moved info from http "health_check" and "match" to intro.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1945
diff
changeset
|
98 |
37df1535ea91
Moved info from http "health_check" and "match" to intro.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1945
diff
changeset
|
99 match welcome { |
37df1535ea91
Moved info from http "health_check" and "match" to intro.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1945
diff
changeset
|
100 status 200; |
37df1535ea91
Moved info from http "health_check" and "match" to intro.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1945
diff
changeset
|
101 header Content-Type = text/html; |
37df1535ea91
Moved info from http "health_check" and "match" to intro.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1945
diff
changeset
|
102 body ~ "Welcome to nginx!"; |
37df1535ea91
Moved info from http "health_check" and "match" to intro.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1945
diff
changeset
|
103 } |
37df1535ea91
Moved info from http "health_check" and "match" to intro.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1945
diff
changeset
|
104 } |
37df1535ea91
Moved info from http "health_check" and "match" to intro.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1945
diff
changeset
|
105 </example> |
37df1535ea91
Moved info from http "health_check" and "match" to intro.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1945
diff
changeset
|
106 This configuration shows that in order for a health check to pass, the response |
37df1535ea91
Moved info from http "health_check" and "match" to intro.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1945
diff
changeset
|
107 to a health check request should succeed, have status 200, |
37df1535ea91
Moved info from http "health_check" and "match" to intro.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1945
diff
changeset
|
108 and contain “<literal>Welcome to nginx!</literal>” in the body. |
953
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
109 </para> |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
110 |
293
34246e706f48
English translation of the ngx_http_upstream_module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
111 </section> |
34246e706f48
English translation of the ngx_http_upstream_module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
112 |
34246e706f48
English translation of the ngx_http_upstream_module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
113 |
34246e706f48
English translation of the ngx_http_upstream_module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
114 <section id="directives" name="Directives"> |
34246e706f48
English translation of the ngx_http_upstream_module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
115 |
953
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
116 <directive name="health_check"> |
1241
2246339a6a93
Upstream: added IDs for "server" and "health_check" params.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1236
diff
changeset
|
117 <syntax>[<value>parameters</value>]</syntax> |
953
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
118 <default/> |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
119 <context>location</context> |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
120 |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
121 <para> |
956
488a3f738db0
Text revision of commercial modules.
Egor Nikitin <yegor.nikitin@gmail.com>
parents:
955
diff
changeset
|
122 Enables periodic health checks of the servers in a |
1945
88477c5d2751
Moved "health_check" and "match" to ngx_http_upstream_hc_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1925
diff
changeset
|
123 <link doc="ngx_http_upstream_module.xml" id="upstream">group</link> |
88477c5d2751
Moved "health_check" and "match" to ngx_http_upstream_hc_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1925
diff
changeset
|
124 referenced in the surrounding location. |
953
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
125 </para> |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
126 |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
127 <para> |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
128 The following optional parameters are supported: |
1241
2246339a6a93
Upstream: added IDs for "server" and "health_check" params.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1236
diff
changeset
|
129 <list type="tag"> |
953
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
130 |
1241
2246339a6a93
Upstream: added IDs for "server" and "health_check" params.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1236
diff
changeset
|
131 <tag-name id="interval"> |
2246339a6a93
Upstream: added IDs for "server" and "health_check" params.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1236
diff
changeset
|
132 <literal>interval</literal>=<value>time</value> |
2246339a6a93
Upstream: added IDs for "server" and "health_check" params.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1236
diff
changeset
|
133 </tag-name> |
2246339a6a93
Upstream: added IDs for "server" and "health_check" params.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1236
diff
changeset
|
134 <tag-desc> |
956
488a3f738db0
Text revision of commercial modules.
Egor Nikitin <yegor.nikitin@gmail.com>
parents:
955
diff
changeset
|
135 sets the interval between two consecutive health checks, |
1891
6225d50b3cba
Replaced semicolon with dot in health_check.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1866
diff
changeset
|
136 by default, 5 seconds. |
1241
2246339a6a93
Upstream: added IDs for "server" and "health_check" params.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1236
diff
changeset
|
137 </tag-desc> |
953
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
138 |
1866
6f2c5a36b4d1
Documented the "jitter" parameter for health_check.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1854
diff
changeset
|
139 <tag-name id="health_check_jitter"> |
6f2c5a36b4d1
Documented the "jitter" parameter for health_check.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1854
diff
changeset
|
140 <literal>jitter</literal>=<value>time</value> |
6f2c5a36b4d1
Documented the "jitter" parameter for health_check.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1854
diff
changeset
|
141 </tag-name> |
6f2c5a36b4d1
Documented the "jitter" parameter for health_check.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1854
diff
changeset
|
142 <tag-desc> |
6f2c5a36b4d1
Documented the "jitter" parameter for health_check.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1854
diff
changeset
|
143 sets the time within which |
6f2c5a36b4d1
Documented the "jitter" parameter for health_check.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1854
diff
changeset
|
144 each health check will be randomly delayed, |
1891
6225d50b3cba
Replaced semicolon with dot in health_check.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1866
diff
changeset
|
145 by default, there is no delay. |
1866
6f2c5a36b4d1
Documented the "jitter" parameter for health_check.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1854
diff
changeset
|
146 </tag-desc> |
6f2c5a36b4d1
Documented the "jitter" parameter for health_check.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1854
diff
changeset
|
147 |
1241
2246339a6a93
Upstream: added IDs for "server" and "health_check" params.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1236
diff
changeset
|
148 <tag-name id="fails"> |
2246339a6a93
Upstream: added IDs for "server" and "health_check" params.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1236
diff
changeset
|
149 <literal>fails</literal>=<value>number</value> |
2246339a6a93
Upstream: added IDs for "server" and "health_check" params.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1236
diff
changeset
|
150 </tag-name> |
2246339a6a93
Upstream: added IDs for "server" and "health_check" params.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1236
diff
changeset
|
151 <tag-desc> |
956
488a3f738db0
Text revision of commercial modules.
Egor Nikitin <yegor.nikitin@gmail.com>
parents:
955
diff
changeset
|
152 sets the number of consecutive failed health checks of a particular server |
488a3f738db0
Text revision of commercial modules.
Egor Nikitin <yegor.nikitin@gmail.com>
parents:
955
diff
changeset
|
153 after which this server will be considered unhealthy, |
1891
6225d50b3cba
Replaced semicolon with dot in health_check.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1866
diff
changeset
|
154 by default, 1. |
1241
2246339a6a93
Upstream: added IDs for "server" and "health_check" params.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1236
diff
changeset
|
155 </tag-desc> |
953
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
156 |
1241
2246339a6a93
Upstream: added IDs for "server" and "health_check" params.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1236
diff
changeset
|
157 <tag-name id="passes"> |
2246339a6a93
Upstream: added IDs for "server" and "health_check" params.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1236
diff
changeset
|
158 <literal>passes</literal>=<value>number</value> |
2246339a6a93
Upstream: added IDs for "server" and "health_check" params.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1236
diff
changeset
|
159 </tag-name> |
2246339a6a93
Upstream: added IDs for "server" and "health_check" params.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1236
diff
changeset
|
160 <tag-desc> |
956
488a3f738db0
Text revision of commercial modules.
Egor Nikitin <yegor.nikitin@gmail.com>
parents:
955
diff
changeset
|
161 sets the number of consecutive passed health checks of a particular server |
953
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
162 after which the server will be considered healthy, |
1891
6225d50b3cba
Replaced semicolon with dot in health_check.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1866
diff
changeset
|
163 by default, 1. |
1241
2246339a6a93
Upstream: added IDs for "server" and "health_check" params.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1236
diff
changeset
|
164 </tag-desc> |
953
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
165 |
1241
2246339a6a93
Upstream: added IDs for "server" and "health_check" params.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1236
diff
changeset
|
166 <tag-name id="uri"> |
2246339a6a93
Upstream: added IDs for "server" and "health_check" params.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1236
diff
changeset
|
167 <literal>uri</literal>=<value>uri</value> |
2246339a6a93
Upstream: added IDs for "server" and "health_check" params.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1236
diff
changeset
|
168 </tag-name> |
2246339a6a93
Upstream: added IDs for "server" and "health_check" params.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1236
diff
changeset
|
169 <tag-desc> |
953
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
170 defines the URI used in health check requests, |
1891
6225d50b3cba
Replaced semicolon with dot in health_check.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1866
diff
changeset
|
171 by default, “<literal>/</literal>”. |
1241
2246339a6a93
Upstream: added IDs for "server" and "health_check" params.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1236
diff
changeset
|
172 </tag-desc> |
953
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
173 |
1925
a58b35cc0823
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1891
diff
changeset
|
174 <tag-name id="health_check_mandatory"> |
a58b35cc0823
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1891
diff
changeset
|
175 <literal>mandatory</literal> |
a58b35cc0823
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1891
diff
changeset
|
176 </tag-name> |
a58b35cc0823
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1891
diff
changeset
|
177 <tag-desc> |
a58b35cc0823
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1891
diff
changeset
|
178 sets the initial “checking” state for a server |
a58b35cc0823
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1891
diff
changeset
|
179 until the first health check is completed (1.11.7). |
a58b35cc0823
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1891
diff
changeset
|
180 If the parameter is not specified, |
a58b35cc0823
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1891
diff
changeset
|
181 the server will be initially considered healthy. |
a58b35cc0823
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1891
diff
changeset
|
182 </tag-desc> |
a58b35cc0823
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1891
diff
changeset
|
183 |
1241
2246339a6a93
Upstream: added IDs for "server" and "health_check" params.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1236
diff
changeset
|
184 <tag-name id="hc_match"> |
2246339a6a93
Upstream: added IDs for "server" and "health_check" params.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1236
diff
changeset
|
185 <literal>match</literal>=<value>name</value> |
2246339a6a93
Upstream: added IDs for "server" and "health_check" params.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1236
diff
changeset
|
186 </tag-name> |
2246339a6a93
Upstream: added IDs for "server" and "health_check" params.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1236
diff
changeset
|
187 <tag-desc> |
956
488a3f738db0
Text revision of commercial modules.
Egor Nikitin <yegor.nikitin@gmail.com>
parents:
955
diff
changeset
|
188 specifies the <literal>match</literal> block configuring the tests that a |
1891
6225d50b3cba
Replaced semicolon with dot in health_check.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1866
diff
changeset
|
189 response should pass in order for a health check to pass. |
6225d50b3cba
Replaced semicolon with dot in health_check.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1866
diff
changeset
|
190 By default, the response should have status code 2xx or 3xx. |
1636
44c4323144c5
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1625
diff
changeset
|
191 </tag-desc> |
44c4323144c5
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1625
diff
changeset
|
192 |
44c4323144c5
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1625
diff
changeset
|
193 <tag-name id="health_check_port"> |
44c4323144c5
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1625
diff
changeset
|
194 <literal>port</literal>=<value>number</value> |
44c4323144c5
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1625
diff
changeset
|
195 </tag-name> |
44c4323144c5
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1625
diff
changeset
|
196 <tag-desc> |
44c4323144c5
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1625
diff
changeset
|
197 defines the port used when connecting to a server |
1891
6225d50b3cba
Replaced semicolon with dot in health_check.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1866
diff
changeset
|
198 to perform a health check (1.9.7). |
1945
88477c5d2751
Moved "health_check" and "match" to ngx_http_upstream_hc_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1925
diff
changeset
|
199 By default, equals the |
88477c5d2751
Moved "health_check" and "match" to ngx_http_upstream_hc_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1925
diff
changeset
|
200 <link doc="ngx_http_upstream_module.xml" id="server"/> port. |
1241
2246339a6a93
Upstream: added IDs for "server" and "health_check" params.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1236
diff
changeset
|
201 </tag-desc> |
953
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
202 |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
203 </list> |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
204 </para> |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
205 |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
206 </directive> |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
207 |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
208 |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
209 <directive name="match"> |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
210 <syntax block="yes"><value>name</value></syntax> |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
211 <default/> |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
212 <context>http</context> |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
213 |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
214 <para> |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
215 Defines the named test set used to verify responses to health check requests. |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
216 </para> |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
217 |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
218 <para> |
956
488a3f738db0
Text revision of commercial modules.
Egor Nikitin <yegor.nikitin@gmail.com>
parents:
955
diff
changeset
|
219 The following items can be tested in a response: |
953
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
220 <list type="tag"> |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
221 |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
222 <tag-name><literal>status 200;</literal></tag-name> |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
223 <tag-desc>status is 200</tag-desc> |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
224 |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
225 <tag-name><literal>status ! 500;</literal></tag-name> |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
226 <tag-desc>status is not 500</tag-desc> |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
227 |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
228 <tag-name><literal>status 200 204;</literal></tag-name> |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
229 <tag-desc>status is 200 or 204</tag-desc> |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
230 |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
231 <tag-name><literal>status ! 301 302;</literal></tag-name> |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
232 <tag-desc>status is neither 301 nor 302</tag-desc> |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
233 |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
234 <tag-name><literal>status 200-399;</literal></tag-name> |
966 | 235 <tag-desc>status is in the range from 200 to 399</tag-desc> |
953
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
236 |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
237 <tag-name><literal>status ! 400-599;</literal></tag-name> |
966 | 238 <tag-desc>status is not in the range from 400 to 599</tag-desc> |
953
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
239 |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
240 <tag-name><literal>status 301-303 307;</literal></tag-name> |
956
488a3f738db0
Text revision of commercial modules.
Egor Nikitin <yegor.nikitin@gmail.com>
parents:
955
diff
changeset
|
241 <tag-desc>status is either 301, 302, 303, or 307</tag-desc> |
953
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
242 |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
243 </list> |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
244 |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
245 <list type="tag"> |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
246 |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
247 <tag-name><literal>header Content-Type = text/html;</literal></tag-name> |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
248 <tag-desc> |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
249 header contains <header>Content-Type</header> |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
250 with value <literal>text/html</literal> |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
251 </tag-desc> |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
252 |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
253 <tag-name><literal>header Content-Type != text/html;</literal></tag-name> |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
254 <tag-desc> |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
255 header contains <header>Content-Type</header> |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
256 with value other than <literal>text/html</literal> |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
257 </tag-desc> |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
258 |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
259 <tag-name><literal>header Connection ~ close;</literal></tag-name> |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
260 <tag-desc> |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
261 header contains <header>Connection</header> |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
262 with value matching regular expression <literal>close</literal> |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
263 </tag-desc> |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
264 |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
265 <tag-name><literal>header Connection !~ close;</literal></tag-name> |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
266 <tag-desc> |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
267 header contains <header>Connection</header> |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
268 with value not matching regular expression <literal>close</literal> |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
269 </tag-desc> |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
270 |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
271 <tag-name><literal>header Host;</literal></tag-name> |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
272 <tag-desc>header contains <header>Host</header></tag-desc> |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
273 |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
274 <tag-name><literal>header ! X-Accel-Redirect;</literal></tag-name> |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
275 <tag-desc>header lacks <header>X-Accel-Redirect</header></tag-desc> |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
276 |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
277 </list> |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
278 |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
279 <list type="tag"> |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
280 |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
281 <tag-name><literal>body ~ "Welcome to nginx!";</literal></tag-name> |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
282 <tag-desc> |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
283 body matches regular expression “<literal>Welcome to nginx!</literal>” |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
284 </tag-desc> |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
285 |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
286 <tag-name><literal>body !~ "Welcome to nginx!";</literal></tag-name> |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
287 <tag-desc> |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
288 body does not match regular expression “<literal>Welcome to nginx!</literal>” |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
289 </tag-desc> |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
290 |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
291 </list> |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
292 </para> |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
293 |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
294 <para> |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
295 If several tests are specified, |
956
488a3f738db0
Text revision of commercial modules.
Egor Nikitin <yegor.nikitin@gmail.com>
parents:
955
diff
changeset
|
296 the response matches only if it matches all tests. |
953
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
297 <note> |
956
488a3f738db0
Text revision of commercial modules.
Egor Nikitin <yegor.nikitin@gmail.com>
parents:
955
diff
changeset
|
298 Only the first 256k of the response body are examined. |
953
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
299 </note> |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
300 </para> |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
301 |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
302 <para> |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
303 Examples: |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
304 <example> |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
305 # status is 200, content type is "text/html", |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
306 # and body contains "Welcome to nginx!" |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
307 match welcome { |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
308 status 200; |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
309 header Content-Type = text/html; |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
310 body ~ "Welcome to nginx!"; |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
311 } |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
312 </example> |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
313 |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
314 <example> |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
315 # status is not one of 301, 302, 303, or 307, and header does not have "Refresh:" |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
316 match not_redirect { |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
317 status ! 301-303 307; |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
318 header ! Refresh; |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
319 } |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
320 </example> |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
321 |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
322 <example> |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
323 # status ok and not in maintenance mode |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
324 match server_ok { |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
325 status 200-399; |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
326 body !~ "maintenance mode"; |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
327 } |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
328 </example> |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
329 |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
330 </para> |
aded7086e84f
Commercial version documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
942
diff
changeset
|
331 |
1026
3056640d5022
Upstream: documented new "sticky" features.
Ruslan Ermilov <ru@nginx.com>
parents:
1011
diff
changeset
|
332 </directive> |
3056640d5022
Upstream: documented new "sticky" features.
Ruslan Ermilov <ru@nginx.com>
parents:
1011
diff
changeset
|
333 |
293
34246e706f48
English translation of the ngx_http_upstream_module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
334 </section> |
34246e706f48
English translation of the ngx_http_upstream_module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
335 |
34246e706f48
English translation of the ngx_http_upstream_module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
336 </module> |