From 1af8208f686b1977ead268317cc7bfdb68d15cd5 Mon Sep 17 00:00:00 2001
From: buildmaster <buildmaster@springframework.org>
Date: Mon, 10 Dec 2018 20:48:03 +0000
Subject: [PATCH] Sync docs from master to gh-pages

---
 multi/multi__gatewayfilter_factories.html | 2 +-
 single/spring-cloud-gateway.html          | 2 +-
 spring-cloud-gateway.xml                  | 1 +
 3 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/multi/multi__gatewayfilter_factories.html b/multi/multi__gatewayfilter_factories.html
index 05ee8fbb..a539e6d6 100644
--- a/multi/multi__gatewayfilter_factories.html
+++ b/multi/multi__gatewayfilter_factories.html
@@ -126,7 +126,7 @@ their default values:</p><div class="itemizedlist"><ul class="itemizedlist" styl
 </p><pre class="programlisting"><span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">public</span> <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">interface</span> KeyResolver {
 	Mono&lt;String&gt; resolve(ServerWebExchange exchange);
 }</pre><p>
-</p><p>The <code class="literal">KeyResolver</code> interface allows pluggable strategies to derive the key for limiting requests. In future milestones, there will be some <code class="literal">KeyResolver</code> implementations.</p><p>The default implementation of <code class="literal">KeyResolver</code> is the <code class="literal">PrincipalNameKeyResolver</code> which retrieves the <code class="literal">Principal</code> from the <code class="literal">ServerWebExchange</code> and calls <code class="literal">Principal.getName()</code>.</p><div class="note" style="margin-left: 0.5in; margin-right: 0.5in;"><table border="0" summary="Note"><tr><td rowspan="2" align="center" valign="top" width="25"><img alt="[Note]" src="images/note.png"></td><th align="left">Note</th></tr><tr><td align="left" valign="top"><p>The RequestRateLimiter is not configurable via the "shortcut" notation. The example below is <span class="emphasis"><em>invalid</em></span></p></td></tr></table></div><p><b>application.properties.&nbsp;</b>
+</p><p>The <code class="literal">KeyResolver</code> interface allows pluggable strategies to derive the key for limiting requests. In future milestones, there will be some <code class="literal">KeyResolver</code> implementations.</p><p>The default implementation of <code class="literal">KeyResolver</code> is the <code class="literal">PrincipalNameKeyResolver</code> which retrieves the <code class="literal">Principal</code> from the <code class="literal">ServerWebExchange</code> and calls <code class="literal">Principal.getName()</code>.</p><p>By default, if the <code class="literal">KeyResolver</code> does not find a key, requests will be denied. This behavior can be adjust with the <code class="literal">spring.cloud.gateway.filter.request-rate-limiter.deny-empty-key</code> (true or false) and <code class="literal">spring.cloud.gateway.filter.request-rate-limiter.empty-key-status-code</code> properties.</p><div class="note" style="margin-left: 0.5in; margin-right: 0.5in;"><table border="0" summary="Note"><tr><td rowspan="2" align="center" valign="top" width="25"><img alt="[Note]" src="images/note.png"></td><th align="left">Note</th></tr><tr><td align="left" valign="top"><p>The RequestRateLimiter is not configurable via the "shortcut" notation. The example below is <span class="emphasis"><em>invalid</em></span></p></td></tr></table></div><p><b>application.properties.&nbsp;</b>
 </p><pre class="screen"># INVALID SHORTCUT CONFIGURATION
 spring.cloud.gateway.routes[0].filters[0]=RequestRateLimiter=2, 2, #{@userkeyresolver}</pre><p>
 </p><div class="section"><div class="titlepage"><div><div><h3 class="title"><a name="_redis_ratelimiter" href="#_redis_ratelimiter"></a>5.8.1&nbsp;Redis RateLimiter</h3></div></div></div><p>The redis implementation is based off of work done at <a class="link" href="https://stripe.com/blog/rate-limiters" target="_top">Stripe</a>. It requires the use of the <code class="literal">spring-boot-starter-data-redis-reactive</code> Spring Boot starter.</p><p>The algorithm used is the <a class="link" href="https://en.wikipedia.org/wiki/Token_bucket" target="_top">Token Bucket Algorithm</a>.</p><p>The <code class="literal">redis-rate-limiter.replenishRate</code> is how many requests per second do you want a user to be allowed to do, without any dropped requests. This is the rate that the token bucket is filled.</p><p>The <code class="literal">redis-rate-limiter.burstCapacity</code> is the maximum number of requests a user is allowed to do in a single second. This is the number of tokens the token bucket can hold. Setting this value to zero will block all requests.</p><p>A steady rate is accomplished by setting the same value in <code class="literal">replenishRate</code> and <code class="literal">burstCapacity</code>. Temporary bursts can be allowed by setting <code class="literal">burstCapacity</code> higher than <code class="literal">replenishRate</code>. In this case, the rate limiter needs to be allowed some time between bursts (according to <code class="literal">replenishRate</code>), as 2 consecutive bursts will result in dropped requests (<code class="literal">HTTP 429 - Too Many Requests</code>).</p><p><b>application.yml.&nbsp;</b>
diff --git a/single/spring-cloud-gateway.html b/single/spring-cloud-gateway.html
index 32a814bb..14d1cd4b 100644
--- a/single/spring-cloud-gateway.html
+++ b/single/spring-cloud-gateway.html
@@ -243,7 +243,7 @@ their default values:</p><div class="itemizedlist"><ul class="itemizedlist" styl
 </p><pre class="programlisting"><span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">public</span> <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">interface</span> KeyResolver {
 	Mono&lt;String&gt; resolve(ServerWebExchange exchange);
 }</pre><p>
-</p><p>The <code class="literal">KeyResolver</code> interface allows pluggable strategies to derive the key for limiting requests. In future milestones, there will be some <code class="literal">KeyResolver</code> implementations.</p><p>The default implementation of <code class="literal">KeyResolver</code> is the <code class="literal">PrincipalNameKeyResolver</code> which retrieves the <code class="literal">Principal</code> from the <code class="literal">ServerWebExchange</code> and calls <code class="literal">Principal.getName()</code>.</p><div class="note" style="margin-left: 0.5in; margin-right: 0.5in;"><table border="0" summary="Note"><tr><td rowspan="2" align="center" valign="top" width="25"><img alt="[Note]" src="images/note.png"></td><th align="left">Note</th></tr><tr><td align="left" valign="top"><p>The RequestRateLimiter is not configurable via the "shortcut" notation. The example below is <span class="emphasis"><em>invalid</em></span></p></td></tr></table></div><p><b>application.properties.&nbsp;</b>
+</p><p>The <code class="literal">KeyResolver</code> interface allows pluggable strategies to derive the key for limiting requests. In future milestones, there will be some <code class="literal">KeyResolver</code> implementations.</p><p>The default implementation of <code class="literal">KeyResolver</code> is the <code class="literal">PrincipalNameKeyResolver</code> which retrieves the <code class="literal">Principal</code> from the <code class="literal">ServerWebExchange</code> and calls <code class="literal">Principal.getName()</code>.</p><p>By default, if the <code class="literal">KeyResolver</code> does not find a key, requests will be denied. This behavior can be adjust with the <code class="literal">spring.cloud.gateway.filter.request-rate-limiter.deny-empty-key</code> (true or false) and <code class="literal">spring.cloud.gateway.filter.request-rate-limiter.empty-key-status-code</code> properties.</p><div class="note" style="margin-left: 0.5in; margin-right: 0.5in;"><table border="0" summary="Note"><tr><td rowspan="2" align="center" valign="top" width="25"><img alt="[Note]" src="images/note.png"></td><th align="left">Note</th></tr><tr><td align="left" valign="top"><p>The RequestRateLimiter is not configurable via the "shortcut" notation. The example below is <span class="emphasis"><em>invalid</em></span></p></td></tr></table></div><p><b>application.properties.&nbsp;</b>
 </p><pre class="screen"># INVALID SHORTCUT CONFIGURATION
 spring.cloud.gateway.routes[0].filters[0]=RequestRateLimiter=2, 2, #{@userkeyresolver}</pre><p>
 </p><div class="section"><div class="titlepage"><div><div><h3 class="title"><a name="_redis_ratelimiter" href="#_redis_ratelimiter"></a>5.8.1&nbsp;Redis RateLimiter</h3></div></div></div><p>The redis implementation is based off of work done at <a class="link" href="https://stripe.com/blog/rate-limiters" target="_top">Stripe</a>. It requires the use of the <code class="literal">spring-boot-starter-data-redis-reactive</code> Spring Boot starter.</p><p>The algorithm used is the <a class="link" href="https://en.wikipedia.org/wiki/Token_bucket" target="_top">Token Bucket Algorithm</a>.</p><p>The <code class="literal">redis-rate-limiter.replenishRate</code> is how many requests per second do you want a user to be allowed to do, without any dropped requests. This is the rate that the token bucket is filled.</p><p>The <code class="literal">redis-rate-limiter.burstCapacity</code> is the maximum number of requests a user is allowed to do in a single second. This is the number of tokens the token bucket can hold. Setting this value to zero will block all requests.</p><p>A steady rate is accomplished by setting the same value in <code class="literal">replenishRate</code> and <code class="literal">burstCapacity</code>. Temporary bursts can be allowed by setting <code class="literal">burstCapacity</code> higher than <code class="literal">replenishRate</code>. In this case, the rate limiter needs to be allowed some time between bursts (according to <code class="literal">replenishRate</code>), as 2 consecutive bursts will result in dropped requests (<code class="literal">HTTP 429 - Too Many Requests</code>).</p><p><b>application.yml.&nbsp;</b>
diff --git a/spring-cloud-gateway.xml b/spring-cloud-gateway.xml
index fb351ba9..f9588854 100644
--- a/spring-cloud-gateway.xml
+++ b/spring-cloud-gateway.xml
@@ -554,6 +554,7 @@ their default values:</simpara>
 </formalpara>
 <simpara>The <literal>KeyResolver</literal> interface allows pluggable strategies to derive the key for limiting requests. In future milestones, there will be some <literal>KeyResolver</literal> implementations.</simpara>
 <simpara>The default implementation of <literal>KeyResolver</literal> is the <literal>PrincipalNameKeyResolver</literal> which retrieves the <literal>Principal</literal> from the <literal>ServerWebExchange</literal> and calls <literal>Principal.getName()</literal>.</simpara>
+<simpara>By default, if the <literal>KeyResolver</literal> does not find a key, requests will be denied. This behavior can be adjust with the <literal>spring.cloud.gateway.filter.request-rate-limiter.deny-empty-key</literal> (true or false) and <literal>spring.cloud.gateway.filter.request-rate-limiter.empty-key-status-code</literal> properties.</simpara>
 <note>
 <simpara>The RequestRateLimiter is not configurable via the "shortcut" notation. The example below is <emphasis>invalid</emphasis></simpara>
 </note>