From 5955e0505574b702d244b7f629b80dc6dd952fcf Mon Sep 17 00:00:00 2001 From: buildmaster Date: Thu, 20 Dec 2018 01:05:04 +0000 Subject: [PATCH] Sync docs from master to gh-pages --- multi/multi__configuration.html | 18 +++++++++++++++++- multi/multi_spring-cloud-gateway.html | 2 +- single/spring-cloud-gateway.html | 20 ++++++++++++++++++-- spring-cloud-gateway.xml | 27 +++++++++++++++++++++++++++ 4 files changed, 63 insertions(+), 4 deletions(-) diff --git a/multi/multi__configuration.html b/multi/multi__configuration.html index 76786fb1..b42dff4a 100644 --- a/multi/multi__configuration.html +++ b/multi/multi__configuration.html @@ -44,4 +44,20 @@ ) .build(); }

-

This style also allows for more custom predicate assertions. The predicates defined by RouteDefinitionLocator beans are combined using logical and. By using the fluent Java API, you can use the and(), or() and negate() operators on the Predicate class.

8.2 DiscoveryClient Route Definition Locator

The Gateway can be configured to create routes based on services registered with a DiscoveryClient compatible service registry.

To enable this, set spring.cloud.gateway.discovery.locator.enabled=true and make sure a DiscoveryClient implementation is on the classpath and enabled (such as Netflix Eureka, Consul or Zookeeper).

\ No newline at end of file +

This style also allows for more custom predicate assertions. The predicates defined by RouteDefinitionLocator beans are combined using logical and. By using the fluent Java API, you can use the and(), or() and negate() operators on the Predicate class.

8.2 DiscoveryClient Route Definition Locator

The Gateway can be configured to create routes based on services registered with a DiscoveryClient compatible service registry.

To enable this, set spring.cloud.gateway.discovery.locator.enabled=true and make sure a DiscoveryClient implementation is on the classpath and enabled (such as Netflix Eureka, Consul or Zookeeper).

8.2.1 Configuring Predicates and Filters For DiscoveryClient Routes

By default the Gateway defines a single predicate and filter for routes created via a DiscoveryClient.

The default predicate is a path predicate defined with the pattern /serviceId/**, where serviceId is +the id of the service from the DiscoveryClient.

The default filter is rewrite path filter with the regex /serviceId/(?<remaining>.*) and the replacement +/${remaining}. This just strips the service id from the path before the request is sent +downstream.

If you would like to customize the predicates and/or filters used by the DiscoveryClient routes you can do so +by setting spring.cloud.gateway.discovery.locator.predicates[x] and spring.cloud.gateway.discovery.locator.filters[y]. +When doing so you need to make sure to include the default predicate and filter above, if you want to retain +that functionality. Below is an example of what this looks like.

application.properties.  +

spring.cloud.gateway.discovery.locator.predicates[0].name: Path
+spring.cloud.gateway.discovery.locator.predicates[0].args[pattern]: "'/'+serviceId+'/**'"
+spring.cloud.gateway.discovery.locator.predicates[1].name: Host
+spring.cloud.gateway.discovery.locator.predicates[1].args[pattern]: "'**.foo.com'"
+spring.cloud.gateway.discovery.locator.filters[0].name: Hystrix
+spring.cloud.gateway.discovery.locator.filters[0].args[name]: serviceId
+spring.cloud.gateway.discovery.locator.filters[1].name: RewritePath
+spring.cloud.gateway.discovery.locator.filters[1].args[regexp]: "'/' + serviceId + '/(?<remaining>.*)'"
+spring.cloud.gateway.discovery.locator.filters[1].args[replacement]: "'/${remaining}'"

+

\ No newline at end of file diff --git a/multi/multi_spring-cloud-gateway.html b/multi/multi_spring-cloud-gateway.html index 50d2fb07..aec25452 100644 --- a/multi/multi_spring-cloud-gateway.html +++ b/multi/multi_spring-cloud-gateway.html @@ -1,3 +1,3 @@ - Spring Cloud Gateway

Spring Cloud Gateway


Table of Contents

1. How to Include Spring Cloud Gateway
2. Glossary
3. How It Works
4. Route Predicate Factories
4.1. After Route Predicate Factory
4.2. Before Route Predicate Factory
4.3. Between Route Predicate Factory
4.4. Cookie Route Predicate Factory
4.5. Header Route Predicate Factory
4.6. Host Route Predicate Factory
4.7. Method Route Predicate Factory
4.8. Path Route Predicate Factory
4.9. Query Route Predicate Factory
4.10. RemoteAddr Route Predicate Factory
4.10.1. Modifying the way remote addresses are resolved
5. GatewayFilter Factories
5.1. AddRequestHeader GatewayFilter Factory
5.2. AddRequestParameter GatewayFilter Factory
5.3. AddResponseHeader GatewayFilter Factory
5.4. Hystrix GatewayFilter Factory
5.5. FallbackHeaders GatewayFilter Factory
5.6. PrefixPath GatewayFilter Factory
5.7. PreserveHostHeader GatewayFilter Factory
5.8. RequestRateLimiter GatewayFilter Factory
5.8.1. Redis RateLimiter
5.9. RedirectTo GatewayFilter Factory
5.10. RemoveNonProxyHeaders GatewayFilter Factory
5.11. RemoveRequestHeader GatewayFilter Factory
5.12. RemoveResponseHeader GatewayFilter Factory
5.13. RewritePath GatewayFilter Factory
5.14. RewriteResponseHeader GatewayFilter Factory
5.15. SaveSession GatewayFilter Factory
5.16. SecureHeaders GatewayFilter Factory
5.17. SetPath GatewayFilter Factory
5.18. SetResponseHeader GatewayFilter Factory
5.19. SetStatus GatewayFilter Factory
5.20. StripPrefix GatewayFilter Factory
5.21. Retry GatewayFilter Factory
5.22. RequestSize GatewayFilter Factory
5.23. Modify Request Body GatewayFilter Factory
5.24. Modify Response Body GatewayFilter Factory
6. Global Filters
6.1. Combined Global Filter and GatewayFilter Ordering
6.2. Forward Routing Filter
6.3. LoadBalancerClient Filter
6.4. Netty Routing Filter
6.5. Netty Write Response Filter
6.6. RouteToRequestUrl Filter
6.7. Websocket Routing Filter
6.8. Gateway Metrics Filter
6.9. Making An Exchange As Routed
7. TLS / SSL
7.1. TLS Handshake
8. Configuration
8.1. Fluent Java Routes API
8.2. DiscoveryClient Route Definition Locator
9. Reactor Netty Access Logs
10. CORS Configuration
11. Actuator API
11.1. Retrieving route filters
11.1.1. Global Filters
11.1.2. Route Filters
11.2. Refreshing the route cache
11.3. Retrieving the routes defined in the gateway
11.4. Retrieving information about a particular route
11.5. Creating and deleting a particular route
11.6. Recap: list of all endpoints
12. Developer Guide
12.1. Writing Custom Route Predicate Factories
12.2. Writing Custom GatewayFilter Factories
12.3. Writing Custom Global Filters
12.4. Writing Custom Route Locators and Writers
13. Building a Simple Gateway Using Spring MVC or Webflux
\ No newline at end of file + Spring Cloud Gateway

Spring Cloud Gateway


Table of Contents

1. How to Include Spring Cloud Gateway
2. Glossary
3. How It Works
4. Route Predicate Factories
4.1. After Route Predicate Factory
4.2. Before Route Predicate Factory
4.3. Between Route Predicate Factory
4.4. Cookie Route Predicate Factory
4.5. Header Route Predicate Factory
4.6. Host Route Predicate Factory
4.7. Method Route Predicate Factory
4.8. Path Route Predicate Factory
4.9. Query Route Predicate Factory
4.10. RemoteAddr Route Predicate Factory
4.10.1. Modifying the way remote addresses are resolved
5. GatewayFilter Factories
5.1. AddRequestHeader GatewayFilter Factory
5.2. AddRequestParameter GatewayFilter Factory
5.3. AddResponseHeader GatewayFilter Factory
5.4. Hystrix GatewayFilter Factory
5.5. FallbackHeaders GatewayFilter Factory
5.6. PrefixPath GatewayFilter Factory
5.7. PreserveHostHeader GatewayFilter Factory
5.8. RequestRateLimiter GatewayFilter Factory
5.8.1. Redis RateLimiter
5.9. RedirectTo GatewayFilter Factory
5.10. RemoveNonProxyHeaders GatewayFilter Factory
5.11. RemoveRequestHeader GatewayFilter Factory
5.12. RemoveResponseHeader GatewayFilter Factory
5.13. RewritePath GatewayFilter Factory
5.14. RewriteResponseHeader GatewayFilter Factory
5.15. SaveSession GatewayFilter Factory
5.16. SecureHeaders GatewayFilter Factory
5.17. SetPath GatewayFilter Factory
5.18. SetResponseHeader GatewayFilter Factory
5.19. SetStatus GatewayFilter Factory
5.20. StripPrefix GatewayFilter Factory
5.21. Retry GatewayFilter Factory
5.22. RequestSize GatewayFilter Factory
5.23. Modify Request Body GatewayFilter Factory
5.24. Modify Response Body GatewayFilter Factory
6. Global Filters
6.1. Combined Global Filter and GatewayFilter Ordering
6.2. Forward Routing Filter
6.3. LoadBalancerClient Filter
6.4. Netty Routing Filter
6.5. Netty Write Response Filter
6.6. RouteToRequestUrl Filter
6.7. Websocket Routing Filter
6.8. Gateway Metrics Filter
6.9. Making An Exchange As Routed
7. TLS / SSL
7.1. TLS Handshake
8. Configuration
8.1. Fluent Java Routes API
8.2. DiscoveryClient Route Definition Locator
8.2.1. Configuring Predicates and Filters For DiscoveryClient Routes
9. Reactor Netty Access Logs
10. CORS Configuration
11. Actuator API
11.1. Retrieving route filters
11.1.1. Global Filters
11.1.2. Route Filters
11.2. Refreshing the route cache
11.3. Retrieving the routes defined in the gateway
11.4. Retrieving information about a particular route
11.5. Creating and deleting a particular route
11.6. Recap: list of all endpoints
12. Developer Guide
12.1. Writing Custom Route Predicate Factories
12.2. Writing Custom GatewayFilter Factories
12.3. Writing Custom Global Filters
12.4. Writing Custom Route Locators and Writers
13. Building a Simple Gateway Using Spring MVC or Webflux
\ No newline at end of file diff --git a/single/spring-cloud-gateway.html b/single/spring-cloud-gateway.html index 46d6ce31..338cc735 100644 --- a/single/spring-cloud-gateway.html +++ b/single/spring-cloud-gateway.html @@ -1,6 +1,6 @@ - Spring Cloud Gateway

Spring Cloud Gateway


Table of Contents

1. How to Include Spring Cloud Gateway
2. Glossary
3. How It Works
4. Route Predicate Factories
4.1. After Route Predicate Factory
4.2. Before Route Predicate Factory
4.3. Between Route Predicate Factory
4.4. Cookie Route Predicate Factory
4.5. Header Route Predicate Factory
4.6. Host Route Predicate Factory
4.7. Method Route Predicate Factory
4.8. Path Route Predicate Factory
4.9. Query Route Predicate Factory
4.10. RemoteAddr Route Predicate Factory
4.10.1. Modifying the way remote addresses are resolved
5. GatewayFilter Factories
5.1. AddRequestHeader GatewayFilter Factory
5.2. AddRequestParameter GatewayFilter Factory
5.3. AddResponseHeader GatewayFilter Factory
5.4. Hystrix GatewayFilter Factory
5.5. FallbackHeaders GatewayFilter Factory
5.6. PrefixPath GatewayFilter Factory
5.7. PreserveHostHeader GatewayFilter Factory
5.8. RequestRateLimiter GatewayFilter Factory
5.8.1. Redis RateLimiter
5.9. RedirectTo GatewayFilter Factory
5.10. RemoveNonProxyHeaders GatewayFilter Factory
5.11. RemoveRequestHeader GatewayFilter Factory
5.12. RemoveResponseHeader GatewayFilter Factory
5.13. RewritePath GatewayFilter Factory
5.14. RewriteResponseHeader GatewayFilter Factory
5.15. SaveSession GatewayFilter Factory
5.16. SecureHeaders GatewayFilter Factory
5.17. SetPath GatewayFilter Factory
5.18. SetResponseHeader GatewayFilter Factory
5.19. SetStatus GatewayFilter Factory
5.20. StripPrefix GatewayFilter Factory
5.21. Retry GatewayFilter Factory
5.22. RequestSize GatewayFilter Factory
5.23. Modify Request Body GatewayFilter Factory
5.24. Modify Response Body GatewayFilter Factory
6. Global Filters
6.1. Combined Global Filter and GatewayFilter Ordering
6.2. Forward Routing Filter
6.3. LoadBalancerClient Filter
6.4. Netty Routing Filter
6.5. Netty Write Response Filter
6.6. RouteToRequestUrl Filter
6.7. Websocket Routing Filter
6.8. Gateway Metrics Filter
6.9. Making An Exchange As Routed
7. TLS / SSL
7.1. TLS Handshake
8. Configuration
8.1. Fluent Java Routes API
8.2. DiscoveryClient Route Definition Locator
9. Reactor Netty Access Logs
10. CORS Configuration
11. Actuator API
11.1. Retrieving route filters
11.1.1. Global Filters
11.1.2. Route Filters
11.2. Refreshing the route cache
11.3. Retrieving the routes defined in the gateway
11.4. Retrieving information about a particular route
11.5. Creating and deleting a particular route
11.6. Recap: list of all endpoints
12. Developer Guide
12.1. Writing Custom Route Predicate Factories
12.2. Writing Custom GatewayFilter Factories
12.3. Writing Custom Global Filters
12.4. Writing Custom Route Locators and Writers
13. Building a Simple Gateway Using Spring MVC or Webflux

2.1.0.BUILD-SNAPSHOT

This project provides an API Gateway built on top of the Spring Ecosystem, including: Spring 5, Spring Boot 2 and Project Reactor. Spring Cloud Gateway aims to provide a simple, yet effective way to route to APIs and provide cross cutting concerns to them such as: security, monitoring/metrics, and resiliency.

1. How to Include Spring Cloud Gateway

To include Spring Cloud Gateway in your project use the starter with group org.springframework.cloud + Spring Cloud Gateway

Spring Cloud Gateway


Table of Contents

1. How to Include Spring Cloud Gateway
2. Glossary
3. How It Works
4. Route Predicate Factories
4.1. After Route Predicate Factory
4.2. Before Route Predicate Factory
4.3. Between Route Predicate Factory
4.4. Cookie Route Predicate Factory
4.5. Header Route Predicate Factory
4.6. Host Route Predicate Factory
4.7. Method Route Predicate Factory
4.8. Path Route Predicate Factory
4.9. Query Route Predicate Factory
4.10. RemoteAddr Route Predicate Factory
4.10.1. Modifying the way remote addresses are resolved
5. GatewayFilter Factories
5.1. AddRequestHeader GatewayFilter Factory
5.2. AddRequestParameter GatewayFilter Factory
5.3. AddResponseHeader GatewayFilter Factory
5.4. Hystrix GatewayFilter Factory
5.5. FallbackHeaders GatewayFilter Factory
5.6. PrefixPath GatewayFilter Factory
5.7. PreserveHostHeader GatewayFilter Factory
5.8. RequestRateLimiter GatewayFilter Factory
5.8.1. Redis RateLimiter
5.9. RedirectTo GatewayFilter Factory
5.10. RemoveNonProxyHeaders GatewayFilter Factory
5.11. RemoveRequestHeader GatewayFilter Factory
5.12. RemoveResponseHeader GatewayFilter Factory
5.13. RewritePath GatewayFilter Factory
5.14. RewriteResponseHeader GatewayFilter Factory
5.15. SaveSession GatewayFilter Factory
5.16. SecureHeaders GatewayFilter Factory
5.17. SetPath GatewayFilter Factory
5.18. SetResponseHeader GatewayFilter Factory
5.19. SetStatus GatewayFilter Factory
5.20. StripPrefix GatewayFilter Factory
5.21. Retry GatewayFilter Factory
5.22. RequestSize GatewayFilter Factory
5.23. Modify Request Body GatewayFilter Factory
5.24. Modify Response Body GatewayFilter Factory
6. Global Filters
6.1. Combined Global Filter and GatewayFilter Ordering
6.2. Forward Routing Filter
6.3. LoadBalancerClient Filter
6.4. Netty Routing Filter
6.5. Netty Write Response Filter
6.6. RouteToRequestUrl Filter
6.7. Websocket Routing Filter
6.8. Gateway Metrics Filter
6.9. Making An Exchange As Routed
7. TLS / SSL
7.1. TLS Handshake
8. Configuration
8.1. Fluent Java Routes API
8.2. DiscoveryClient Route Definition Locator
8.2.1. Configuring Predicates and Filters For DiscoveryClient Routes
9. Reactor Netty Access Logs
10. CORS Configuration
11. Actuator API
11.1. Retrieving route filters
11.1.1. Global Filters
11.1.2. Route Filters
11.2. Refreshing the route cache
11.3. Retrieving the routes defined in the gateway
11.4. Retrieving information about a particular route
11.5. Creating and deleting a particular route
11.6. Recap: list of all endpoints
12. Developer Guide
12.1. Writing Custom Route Predicate Factories
12.2. Writing Custom GatewayFilter Factories
12.3. Writing Custom Global Filters
12.4. Writing Custom Route Locators and Writers
13. Building a Simple Gateway Using Spring MVC or Webflux

2.1.0.BUILD-SNAPSHOT

This project provides an API Gateway built on top of the Spring Ecosystem, including: Spring 5, Spring Boot 2 and Project Reactor. Spring Cloud Gateway aims to provide a simple, yet effective way to route to APIs and provide cross cutting concerns to them such as: security, monitoring/metrics, and resiliency.

1. How to Include Spring Cloud Gateway

To include Spring Cloud Gateway in your project use the starter with group org.springframework.cloud and artifact id spring-cloud-starter-gateway. See the Spring Cloud Project page for details on setting up your build system with the current Spring Cloud Release Train.

If you include the starter, but, for some reason, you do not want the gateway to be enabled, set spring.cloud.gateway.enabled=false.

[Important]Important

Spring Cloud Gateway requires the Netty runtime provided by Spring Boot and Spring Webflux. It does not work in a traditional Servlet Container or built as a WAR.

2. Glossary

  • Route: Route the basic building block of the gateway. It is defined by an ID, a destination URI, a collection of predicates and a collection of filters. A route is matched if aggregate predicate is true.
  • Predicate: This is a Java 8 Function Predicate. The input type is a Spring Framework ServerWebExchange. This allows developers to match on anything from the HTTP request, such as headers or parameters.
  • Filter: These are instances Spring Framework GatewayFilter constructed in with a specific factory. Here, requests and responses can be modified before or after sending the downstream request.

3. How It Works

Spring Cloud Gateway Diagram

Clients make requests to Spring Cloud Gateway. If the Gateway Handler Mapping determines that a request matches a Route, it is sent to the Gateway Web Handler. This handler runs sends the request through a filter chain that is specific to the request. The reason the filters are divided by the dotted line, is that filters may execute logic before the proxy request is sent or after. All "pre" filter logic is executed, then the proxy request is made. After the proxy request is made, the "post" filter logic is executed.

[Note]Note

URIs defined in routes without a port will get a default port set to 80 and 443 for HTTP and HTTPS URIs respectively.

4. Route Predicate Factories

Spring Cloud Gateway matches routes as part of the Spring WebFlux HandlerMapping infrastructure. Spring Cloud Gateway includes many built-in Route Predicate Factories. All of these predicates match on different attributes of the HTTP request. Multiple Route Predicate Factories can be combined and are combined via logical and.

4.1 After Route Predicate Factory

The After Route Predicate Factory takes one parameter, a datetime. This predicate matches requests that happen after the current datetime.

application.yml. 

spring:
@@ -579,7 +579,23 @@ or check if an exchange has already been routed.

-

This style also allows for more custom predicate assertions. The predicates defined by RouteDefinitionLocator beans are combined using logical and. By using the fluent Java API, you can use the and(), or() and negate() operators on the Predicate class.

8.2 DiscoveryClient Route Definition Locator

The Gateway can be configured to create routes based on services registered with a DiscoveryClient compatible service registry.

To enable this, set spring.cloud.gateway.discovery.locator.enabled=true and make sure a DiscoveryClient implementation is on the classpath and enabled (such as Netflix Eureka, Consul or Zookeeper).

9. Reactor Netty Access Logs

To enable Reactor Netty access logs, set -Dreactor.netty.http.server.accessLogEnabled=true. (It must be a Java System Property, not a Spring Boot property).

The logging system can be configured to have a separate access log file. Below is an example logback configuration:

logback.xml.  +

This style also allows for more custom predicate assertions. The predicates defined by RouteDefinitionLocator beans are combined using logical and. By using the fluent Java API, you can use the and(), or() and negate() operators on the Predicate class.

8.2 DiscoveryClient Route Definition Locator

The Gateway can be configured to create routes based on services registered with a DiscoveryClient compatible service registry.

To enable this, set spring.cloud.gateway.discovery.locator.enabled=true and make sure a DiscoveryClient implementation is on the classpath and enabled (such as Netflix Eureka, Consul or Zookeeper).

8.2.1 Configuring Predicates and Filters For DiscoveryClient Routes

By default the Gateway defines a single predicate and filter for routes created via a DiscoveryClient.

The default predicate is a path predicate defined with the pattern /serviceId/**, where serviceId is +the id of the service from the DiscoveryClient.

The default filter is rewrite path filter with the regex /serviceId/(?<remaining>.*) and the replacement +/${remaining}. This just strips the service id from the path before the request is sent +downstream.

If you would like to customize the predicates and/or filters used by the DiscoveryClient routes you can do so +by setting spring.cloud.gateway.discovery.locator.predicates[x] and spring.cloud.gateway.discovery.locator.filters[y]. +When doing so you need to make sure to include the default predicate and filter above, if you want to retain +that functionality. Below is an example of what this looks like.

application.properties.  +

spring.cloud.gateway.discovery.locator.predicates[0].name: Path
+spring.cloud.gateway.discovery.locator.predicates[0].args[pattern]: "'/'+serviceId+'/**'"
+spring.cloud.gateway.discovery.locator.predicates[1].name: Host
+spring.cloud.gateway.discovery.locator.predicates[1].args[pattern]: "'**.foo.com'"
+spring.cloud.gateway.discovery.locator.filters[0].name: Hystrix
+spring.cloud.gateway.discovery.locator.filters[0].args[name]: serviceId
+spring.cloud.gateway.discovery.locator.filters[1].name: RewritePath
+spring.cloud.gateway.discovery.locator.filters[1].args[regexp]: "'/' + serviceId + '/(?<remaining>.*)'"
+spring.cloud.gateway.discovery.locator.filters[1].args[replacement]: "'/${remaining}'"

+

9. Reactor Netty Access Logs

To enable Reactor Netty access logs, set -Dreactor.netty.http.server.accessLogEnabled=true. (It must be a Java System Property, not a Spring Boot property).

The logging system can be configured to have a separate access log file. Below is an example logback configuration:

logback.xml. 

    <appender name="accessLog" class="ch.qos.logback.core.FileAppender">
         <file>access_log.log</file>
         <encoder>
diff --git a/spring-cloud-gateway.xml b/spring-cloud-gateway.xml
index c34f0748..9bf5c487 100644
--- a/spring-cloud-gateway.xml
+++ b/spring-cloud-gateway.xml
@@ -1302,6 +1302,33 @@ public RouteLocator customRouteLocator(RouteLocatorBuilder builder, ThrottleGate
 DiscoveryClient Route Definition Locator
 The Gateway can be configured to create routes based on services registered with a DiscoveryClient compatible service registry.
 To enable this, set spring.cloud.gateway.discovery.locator.enabled=true and make sure a DiscoveryClient implementation is on the classpath and enabled (such as Netflix Eureka, Consul or Zookeeper).
+
+Configuring Predicates and Filters For DiscoveryClient Routes +By default the Gateway defines a single predicate and filter for routes created via a DiscoveryClient. +The default predicate is a path predicate defined with the pattern /serviceId/**, where serviceId is +the id of the service from the DiscoveryClient. +The default filter is rewrite path filter with the regex /serviceId/(?<remaining>.*) and the replacement +/${remaining}. This just strips the service id from the path before the request is sent +downstream. +If you would like to customize the predicates and/or filters used by the DiscoveryClient routes you can do so +by setting spring.cloud.gateway.discovery.locator.predicates[x] and spring.cloud.gateway.discovery.locator.filters[y]. +When doing so you need to make sure to include the default predicate and filter above, if you want to retain +that functionality. Below is an example of what this looks like. + +application.properties + +spring.cloud.gateway.discovery.locator.predicates[0].name: Path +spring.cloud.gateway.discovery.locator.predicates[0].args[pattern]: "'/'+serviceId+'/**'" +spring.cloud.gateway.discovery.locator.predicates[1].name: Host +spring.cloud.gateway.discovery.locator.predicates[1].args[pattern]: "'**.foo.com'" +spring.cloud.gateway.discovery.locator.filters[0].name: Hystrix +spring.cloud.gateway.discovery.locator.filters[0].args[name]: serviceId +spring.cloud.gateway.discovery.locator.filters[1].name: RewritePath +spring.cloud.gateway.discovery.locator.filters[1].args[regexp]: "'/' + serviceId + '/(?<remaining>.*)'" +spring.cloud.gateway.discovery.locator.filters[1].args[replacement]: "'/${remaining}'" + + +