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nginx proxy_no_cache doesn't work

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2

I am trying to set up a caching reverse proxy with 2 conditions; if either is met, it shouldn't be storing the file from origin:

• partial-content request
  


• request with query string
  

As configured below, I got nginx to NOT store partial-content requests.

However, it is still storing requests with query string. What am I missing here?

curl -r 1000-2000 http://edge.com/data/abcdef.dat [OK. No file stored.]
wget http://edge.com/data/abcdef.dat?query=string [Not OK. abcdef.dat stored on edge.]

location /data/ {

    set $originuri /origin$uri$is_args$args;

    errorpage 404 = $originuri;

}



location /origin/ {

    proxy_pass http://origin.com:1111;

    proxy_store /mnt1/edge/store;

    proxy_temp_path /mnt1/edge/tmp;

    proxy_set_header If-Range $http_if_range;

    proxy_set_header Range $http_range;

    proxy_no_cache $http_range $http_if_range $is_args;

}

nginx reverse-proxy

share|improve this question

edited Sep 20 '12 at 13:59

pjmorse

1,14011432

asked Sep 6 '12 at 4:22

nginx-noobnginx-noob

112

bumped to the homepage by Community♦ 3 mins ago

This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.

add a comment | 

2

I am trying to set up a caching reverse proxy with 2 conditions; if either is met, it shouldn't be storing the file from origin:

• partial-content request
  


• request with query string
  

As configured below, I got nginx to NOT store partial-content requests.

However, it is still storing requests with query string. What am I missing here?

curl -r 1000-2000 http://edge.com/data/abcdef.dat [OK. No file stored.]
wget http://edge.com/data/abcdef.dat?query=string [Not OK. abcdef.dat stored on edge.]

location /data/ {

    set $originuri /origin$uri$is_args$args;

    errorpage 404 = $originuri;

}



location /origin/ {

    proxy_pass http://origin.com:1111;

    proxy_store /mnt1/edge/store;

    proxy_temp_path /mnt1/edge/tmp;

    proxy_set_header If-Range $http_if_range;

    proxy_set_header Range $http_range;

    proxy_no_cache $http_range $http_if_range $is_args;

}

nginx reverse-proxy

share|improve this question

edited Sep 20 '12 at 13:59

pjmorse

1,14011432

asked Sep 6 '12 at 4:22

nginx-noobnginx-noob

112

bumped to the homepage by Community♦ 3 mins ago

This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.

add a comment | 

I am trying to set up a caching reverse proxy with 2 conditions; if either is met, it shouldn't be storing the file from origin:

• partial-content request
  


• request with query string
  

As configured below, I got nginx to NOT store partial-content requests.

However, it is still storing requests with query string. What am I missing here?

curl -r 1000-2000 http://edge.com/data/abcdef.dat [OK. No file stored.]
wget http://edge.com/data/abcdef.dat?query=string [Not OK. abcdef.dat stored on edge.]

location /data/ {

    set $originuri /origin$uri$is_args$args;

    errorpage 404 = $originuri;

}



location /origin/ {

    proxy_pass http://origin.com:1111;

    proxy_store /mnt1/edge/store;

    proxy_temp_path /mnt1/edge/tmp;

    proxy_set_header If-Range $http_if_range;

    proxy_set_header Range $http_range;

    proxy_no_cache $http_range $http_if_range $is_args;

}

nginx reverse-proxy

share|improve this question

edited Sep 20 '12 at 13:59

pjmorse

1,14011432

asked Sep 6 '12 at 4:22

nginx-noobnginx-noob

112

location /data/ {

    set $originuri /origin$uri$is_args$args;

    errorpage 404 = $originuri;

}



location /origin/ {

    proxy_pass http://origin.com:1111;

    proxy_store /mnt1/edge/store;

    proxy_temp_path /mnt1/edge/tmp;

    proxy_set_header If-Range $http_if_range;

    proxy_set_header Range $http_range;

    proxy_no_cache $http_range $http_if_range $is_args;

}

share|improve this question

edited Sep 20 '12 at 13:59

pjmorse

1,14011432

asked Sep 6 '12 at 4:22

nginx-noobnginx-noob

112

share|improve this question

edited Sep 20 '12 at 13:59

pjmorse

1,14011432

asked Sep 6 '12 at 4:22

nginx-noobnginx-noob

112

edited Sep 20 '12 at 13:59

pjmorse

1,14011432

edited Sep 20 '12 at 13:59

pjmorse

1,14011432

asked Sep 6 '12 at 4:22

nginx-noobnginx-noob

112

asked Sep 6 '12 at 4:22

nginx-noobnginx-noob

112

1 Answer
1

active

oldest

votes

0

If I'm reading your configuration right, when you pass the request to the origin location for proxying, you're building a URI string which doesn't include a GET query string (i.e. you're flattening the $args). If that's what's happening, it would explain why the origin location isn't seeing $is_args as true.

This is a hunch on my part - I'd want to look at the request logs to see if it's correct.

share|improve this answer

answered Sep 20 '12 at 14:08

pjmorsepjmorse

1,14011432

add a comment | 

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0

If I'm reading your configuration right, when you pass the request to the origin location for proxying, you're building a URI string which doesn't include a GET query string (i.e. you're flattening the $args). If that's what's happening, it would explain why the origin location isn't seeing $is_args as true.

This is a hunch on my part - I'd want to look at the request logs to see if it's correct.

share|improve this answer

answered Sep 20 '12 at 14:08

pjmorsepjmorse

1,14011432

add a comment | 

0

If I'm reading your configuration right, when you pass the request to the origin location for proxying, you're building a URI string which doesn't include a GET query string (i.e. you're flattening the $args). If that's what's happening, it would explain why the origin location isn't seeing $is_args as true.

This is a hunch on my part - I'd want to look at the request logs to see if it's correct.

share|improve this answer

answered Sep 20 '12 at 14:08

pjmorsepjmorse

1,14011432

add a comment | 

If I'm reading your configuration right, when you pass the request to the origin location for proxying, you're building a URI string which doesn't include a GET query string (i.e. you're flattening the $args). If that's what's happening, it would explain why the origin location isn't seeing $is_args as true.

This is a hunch on my part - I'd want to look at the request logs to see if it's correct.

share|improve this answer

answered Sep 20 '12 at 14:08

pjmorsepjmorse

1,14011432

share|improve this answer

answered Sep 20 '12 at 14:08

pjmorsepjmorse

1,14011432

answered Sep 20 '12 at 14:08

pjmorsepjmorse

1,14011432

answered Sep 20 '12 at 14:08

pjmorsepjmorse

1,14011432