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Add Global Rate Limiting support

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Elvin Efendi 2020-12-24 11:39:12 -05:00
parent 14345ebcfe
commit e0dece48f7
21 changed files with 1179 additions and 38 deletions
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docs/user-guide/nginx-configuration/configmap.md
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@ -192,6 +192,12 @@ The following table shows a configuration option's name, type, and the default v
|[block-referers](#block-referers)|[]string|""|
|[proxy-ssl-location-only](#proxy-ssl-location-only)|bool|"false"|
|[default-type](#default-type)|string|"text/html"|
|[global-rate-limit-memcached-host](#global-rate-limit)|string|""|
|[global-rate-limit-memcached-port](#global-rate-limit)|int|11211|
|[global-rate-limit-memcached-connect-timeout](#global-rate-limit)|int|50|
|[global-rate-limit-memcached-max-idle-timeout](#global-rate-limit)|int|10000|
|[global-rate-limit-memcached-pool-size](#global-rate-limit)|int|50|
|[global-rate-limit-status-code](#global-rate-limit)|int|429|
## add-headers
@ -1152,3 +1158,19 @@ _**default:**_ text/html
_References:_
[http://nginx.org/en/docs/http/ngx_http_core_module.html#default_type](http://nginx.org/en/docs/http/ngx_http_core_module.html#default_type)
## global-rate-limit
* `global-rate-limit-status-code`: configure HTTP status code to return when rejecting requests. Defaults to 429.
Configure `memcached` client for [Global Rate Limiting](https://github.com/kubernetes/ingress-nginx/blob/master/docs/user-guide/nginx-configuration/annotations.md#global-rate-limiting).
* `global-rate-limit-memcached-host`: IP/FQDN of memcached server to use. Required to enable Global Rate Limiting.
* `global-rate-limit-memcached-port`: port of memcached server to use. Defaults default memcached port of `11211`.
* `global-rate-limit-memcached-connect-timeout`: configure timeout for connect, send and receive operations. Unit is millisecond. Defaults to 50ms.
* `global-rate-limit-memcached-max-idle-timeout`: configure timeout for cleaning idle connections. Unit is millisecond. Defaults to 50ms.
* `global-rate-limit-memcached-pool-size`: configure number of max connections to keep alive. Make sure your `memcached` server can handle
`global-rate-limit-memcached-pool-size * worker-processes * <number of ingress-nginx replicas>` simultaneous connections.
These settings get used by [lua-resty-global-throttle](https://github.com/ElvinEfendi/lua-resty-global-throttle)
that ingress-nginx includes. Refer to the link to learn more about `lua-resty-global-throttle`.