ceph/examples/rgw-cache/nginx-noprefetch.conf
ofriedma d73b879ac1 rgw: fix nginx-rgw docs
Signed-off-by: Or Friedmann <ofriedma@redhat.com>

Signed-off-by: Mark Kogan <mkogan@redhat.com>
2020-06-01 12:24:19 +03:00

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#config cache size and path to the cache directory, you should make sure that the user that is running nginx have permissions to access the cache directory
#max_size means that Nginx will not cache more than 20G, It should be tuned to a larger number if the /data/cache is bigger
proxy_cache_path /data/cache levels=2:2:2 keys_zone=mycache:999m max_size=20G inactive=1d use_temp_path=off;
upstream rgws {
# List of all rgws (ips or resolvable names)
server rgw1:8000 max_fails=2 fail_timeout=5s;
server rgw2:8000 max_fails=2 fail_timeout=5s;
server rgw3:8000 max_fails=2 fail_timeout=5s;
}
server {
listen 80;
server_name cacher;
location /authentication {
internal;
limit_except GET { deny all; }
proxy_pass http://rgws$request_uri;
proxy_pass_request_body off;
proxy_set_header Host $host;
# setting x-rgw-auth allow the RGW the ability to only authorize the request without fetching the obj data
proxy_set_header x-rgw-auth "yes";
proxy_set_header Authorization $http_authorization;
proxy_http_version 1.1;
proxy_method $request_method;
# Do not convert HEAD requests into GET requests
proxy_cache_convert_head off;
error_page 404 = @outage;
proxy_intercept_errors on;
if ($request_uri = "/"){
return 200;
}
# URI included with question mark is not being cached
if ($request_uri ~* (\?)){
return 200;
}
}
location @outage{
return 403;
}
location / {
limit_except GET { deny all; }
auth_request /authentication;
proxy_pass http://rgws;
# if $do_not_cache is not empty the request would not be cached, this is relevant for list op for example
set $do_not_cache '';
# the IP or name of the RGWs
#proxy_set_header Authorization $http_authorization;
# my cache configured at the top of the file
proxy_cache mycache;
proxy_cache_lock_timeout 0s;
proxy_cache_lock_age 1000s;
proxy_http_version 1.1;
# Getting 403 if this header not set
proxy_set_header Host $host;
# Cache all 200 OK's for 1 day
proxy_cache_valid 200 206 1d;
# Use stale cache file in all errors from upstream if we can
proxy_cache_use_stale updating;
proxy_cache_background_update on;
# Try to check if etag have changed, if yes, do not re-fetch from rgw the object
proxy_cache_revalidate on;
# Lock the cache so that only one request can populate it at a time
proxy_cache_lock on;
# prevent convertion of head requests to get requests
proxy_cache_convert_head off;
# Listing all buckets should not be cached
if ($request_uri = "/"){
set $do_not_cache "no";
}
# URI including question mark are not supported to prevent bucket listing cache
if ($request_uri ~* (\?)){
set $do_not_cache "no";
}
# Use the original x-amz-date if the aws auth module didn't create one
proxy_no_cache $do_not_cache;
proxy_set_header Authorization $http_authorization;
proxy_set_header Range $http_range;
# This is on which content the nginx to use for hashing the cache keys
proxy_cache_key "$request_uri$request_method$request_body$http_range";
client_max_body_size 20G;
}
}