本文是基于 location 的匹配末尾是否配置 /
和 proxy_pass 末尾是否配置 /
,进行测试,完全还原了整个测试过程。帮助了解具体的情况。
一、Nginx location 基本配置
1.1、Nginx 配置文件
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upstream test1{
server 127.0.0.1:8000;
}
upstream test2{
server 127.0.0.1:8000;
}
server{
server_name test.com;
listen 80;
access_log /usr/local/openresty/nginx/logs/test.com_access.log latest;
error_log /usr/local/openresty/nginx/logs/test.com.log error;
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_connect_timeout 3s;
proxy_read_timeout 120s;
proxy_send_timeout 120s;
proxy_next_upstream error timeout invalid_header http_404 http_502 http_504 http_500;
location /user/ {
proxy_set_header Connection "";
proxy_http_version 1.1;
proxy_pass http://test1/;
}
location / {
proxy_set_header Connection "";
proxy_http_version 1.1;
proxy_pass http://test2/;
}
}
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1.2 、Python 脚本
python2 可以运行
该脚本用于获取请求内容。 这个作为后端,也就是 proxy_pass 代理的后端。
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#!/usr/bin/env python
import SimpleHTTPServer
import SocketServer
PORT = 8000
class GetHandler(SimpleHTTPServer.SimpleHTTPRequestHandler):
def do_GET(self):
print(self.headers)
self.send_response(200, "")
def do_POST(self):
print(self.headers)
content_length = self.headers.getheaders('content-length')
length = int(content_length[0]) if content_length else 0
print(self.rfile.read(length))
self.send_response(200, "")
Handler = GetHandler
httpd = SocketServer.TCPServer(("", PORT), Handler)
httpd.serve_forever()
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二、测试
2.1、测试 location
末尾存在 /
和 proxy_pass末尾存在 /
nginx配置如下
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location /user/ {
proxy_set_header Connection "";
proxy_http_version 1.1;
proxy_pass http://test1/;
}
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请求url
test.com/user/test.html
后端内容
打印的内容:
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Host: test1
Content-Length: 0
User-Agent: PostmanRuntime/7.26.8
Accept: */*
Postman-Token: f2bfe770-4f44-4ee9-91c4-060f59dfb26c
Accept-Encoding: gzip, deflate, br
127.0.0.1 - - [10/Apr/2021 16:54:26] "POST /test.html HTTP/1.1" 200 -
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小结论:proxy_pass 地址加了 /
的话, 请求 test.com/user/test.html
实际请求是 http://test1/test.html
。
2.2、测试 location
末尾存在 /
和 proxy_pass末尾不存在 /
nginx配置如下
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location /user/ {
proxy_set_header Connection "";
proxy_http_version 1.1;
proxy_pass http://test1;
}
|
请求url
test.com/user/test.html
后端内容
打印的内容:
Host: test1
Content-Length: 0
User-Agent: PostmanRuntime/7.26.8
Accept: */*
Postman-Token: e33d0a2c-1965-4152-b87c-94fca50f2899
Accept-Encoding: gzip, deflate, br127.0.0.1 - - [10/Apr/2021 16:57:18] "POST /user/test.html HTTP/1.1" 200 -
小结论: proxy_pass 地址不加了 /
的话, 请求 test.com/user/test.html
实际请求是 http://test1/user/test.html
2.3、测试三 location
不加末尾 /
且 proxy_pass 不加 末尾 /
nginx配置如下
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location /user {
proxy_set_header Connection "";
proxy_http_version 1.1;
proxy_pass http://test1;
}
|
请求url
test.com/user/test.html
后端内容
打印的内容:
Host: test1
Content-Length: 0
User-Agent: PostmanRuntime/7.26.8
Accept: */*
Postman-Token: 31cd33c6-4c95-41b5-a095-28cdc7113dcd
Accept-Encoding: gzip, deflate, br127.0.0.1 - - [10/Apr/2021 16:59:34] "POST /user/test.html HTTP/1.1" 200 -
请求 test.com/user/test.html
实际请求是 http://test1/user/test.html
2.4、location 不加
末尾 /
且 proxy_pass 加 末尾 /
nginx配置如下
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location /user {
proxy_set_header Connection "";
proxy_http_version 1.1;
proxy_pass http://test1/;
}
|
请求url
test.com/user/test.html
后端内容
打印的内容:
Host: test1
Content-Length: 0
User-Agent: PostmanRuntime/7.26.8
Accept: */*
Postman-Token: d0f4b83f-6482-41ba-8a01-c059eececc2d
Accept-Encoding: gzip, deflate, br127.0.0.1 - - [10/Apr/2021 17:00:21] "POST //test.html HTTP/1.1" 200 -
请求 test.com/user/test.html
实际请求是 http://test1//test.html
2.5、location 末尾
有 /
proxy_pass 末尾其他有路径,且末尾加 /
nginx配置如下
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location /user/ {
proxy_set_header Connection "";
proxy_http_version 1.1;
proxy_pass http://test1/haha/;
}
|
请求url
test.com/user/test.html
后端内容
打印的内容:
Host: test1
Content-Length: 0
User-Agent: PostmanRuntime/7.26.8
Accept: */*
Postman-Token: 6447cf0b-5988-4f96-81a4-2b621fe32604
Accept-Encoding: gzip, deflate, br127.0.0.1 - - [10/Apr/2021 17:03:27] "POST /haha/test.html HTTP/1.1" 200 -
请求 test.com/user/test.html
实际请求是 http://test1/haha/test.html
2.6、 location 末尾
有 /
proxy_pass 末尾其他有路径,且末尾不加 /
nginx配置如下
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location /user/ {
proxy_set_header Connection "";
proxy_http_version 1.1;
proxy_pass http://test1/haha;
}
|
请求url
test.com/user/test.html
后端内容
打印的内容:
Host: test1
Content-Length: 0
User-Agent: PostmanRuntime/7.26.8
Accept: */*
Postman-Token: 32fb2a50-1e7c-4131-9804-1828e21ca841
Accept-Encoding: gzip, deflate, br127.0.0.1 - - [10/Apr/2021 17:05:03] "POST /hahatest.html HTTP/1.1" 200 -
请求 test.com/user/test.html
实际请求是 http://test1/hahatest.html
三、总结
序号 | 访问URL | location配置 | proxy_pass配置 | 后端接收的请求 | 备注 |
---|---|---|---|---|---|
1 | test.com/user/test.html | /user/ | http://test1/ | /test.html | |
2 | test.com/user/test.html | /user/ | http://test1 | /user/test.html | |
3 | test.com/user/test.html | /user | http://test1 | /user/test.html | |
4 | test.com/user/test.html | /user | http://test1/ | //test.html | |
5 | test.com/user/test.html | /user/ | http://test1/haha/ | /haha/test.html | |
6 | test.com/user/test.html | /user/ | http://test1/haha | /hahatest.html |
注意上表格中的后端是指 python 脚本对应的web服务。
在日常的web网站部署中,经常会用到 nginx
的 proxy_pass
反向代理,有一个配置需要弄清楚:配置 proxy_pass
时,
-
当在后面的
upstram_name
后面出现了/
,相当于是绝对根路径,则nginx
不会把location
中匹配的路径部分代理走; -
如果没有
/
,则会把匹配的路径部分也给代理走。
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原文链接:https://www.cnblogs.com/operationhome/p/15212801.html