zuul | Zuul is a gateway service that provides dynamic routing, monitoring, resiliency, security, and more | Continuous Deployment library
kandi X-RAY | zuul Summary
kandi X-RAY | zuul Summary
Zuul is an L7 application gateway that provides capabilities for dynamic routing, monitoring, resiliency, security, and more. Please view the wiki for usage, information, HOWTO, etc Here are some links to help you learn more about the Zuul Project. Feel free to PR to add any other info, presentations, etc.
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Top functions reviewed by kandi - BETA
- Choose the list of addresses to connect to .
- Performs filter request .
- Handles a push request .
- Release a connection to the pool .
- Log the current pass .
- Attempts to create a new connection .
- Collect statistics for a route .
- Sends a GOAWAY frame to the client .
- Parse the given query string and return the HttpQueryParams object .
- Shuts down all client channels gracefully .
zuul Key Features
zuul Examples and Code Snippets
@Override
public Object run() {
final RequestContext ctx = RequestContext.getCurrentContext();
ctx.addZuulRequestHeader("Test", "TestSample");
return null;
}
@Bean
public ZuulPostProcessor zuulPostProcessor(@Autowired RouteLocator routeLocator, @Autowired ZuulController zuulController, @Autowired(required = false) ErrorController errorController) {
return new ZuulPostProcessor(routeLocator, zu
public static void main(String[] args) {
SpringApplication.run(CustomZuulErrorApplication.class, args);
}
spring:
application:
name: zuul-sample
cloud:
consul:
enabled: true
host: localhost
Community Discussions
Trending Discussions on zuul
QUESTION
I have created micro service using spring boot and implment zuul proxy so when I call url via zuul proxy and somehow my service is down I get com.netflix.zuul.exception.ZuulException
...com.netflix.zuul.exception.ZuulException: Forwarding error at org.springframework.cloud.netflix.zuul.filters.route.RibbonRoutingFilter.handleException(RibbonRoutingFilter.java:198) ~[spring-cloud-netflix-zuul-2.2.1.RELEASE.jar:2.2.1.RELEASE] at org.springframework.cloud.netflix.zuul.filters.route.RibbonRoutingFilter.forward(RibbonRoutingFilter.java:173) ~[spring-cloud-netflix-zuul-2.2.1.RELEASE.jar:2.2.1.RELEASE] at org.springframework.cloud.netflix.zuul.filters.route.RibbonRoutingFilter.run(RibbonRoutingFilter.java:119) ~[spring-cloud-netflix-zuul-2.2.1.RELEASE.jar:2.2.1.RELEASE] at com.netflix.zuul.ZuulFilter.runFilter(ZuulFilter.java:117) ~[zuul-core-1.3.1.jar:1.3.1] at com.netflix.zuul.FilterProcessor.processZuulFilter(FilterProcessor.java:193) ~[zuul-core-1.3.1.jar:1.3.1] at com.netflix.zuul.FilterProcessor.runFilters(FilterProcessor.java:157) ~[zuul-core-1.3.1.jar:1.3.1] at com.netflix.zuul.FilterProcessor.route(FilterProcessor.java:118) ~[zuul-core-1.3.1.jar:1.3.1] at com.netflix.zuul.ZuulRunner.route(ZuulRunner.java:96) ~[zuul-core-1.3.1.jar:1.3.1] at com.netflix.zuul.http.ZuulServlet.route(ZuulServlet.java:116) ~[zuul-core-1.3.1.jar:1.3.1] at com.netflix.zuul.http.ZuulServlet.service(ZuulServlet.java:81) ~[zuul-core-1.3.1.jar:1.3.1] at org.springframework.web.servlet.mvc.ServletWrappingController.handleRequestInternal(ServletWrappingController.java:166) [spring-webmvc-5.2.4.RELEASE.jar:5.2.4.RELEASE] at org.springframework.cloud.netflix.zuul.web.ZuulController.handleRequest(ZuulController.java:45) [spring-cloud-netflix-zuul-2.2.1.RELEASE.jar:2.2.1.RELEASE] at org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter.handle(SimpleControllerHandlerAdapter.java:52) [spring-webmvc-5.2.4.RELEASE.jar:5.2.4.RELEASE] at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1040) [spring-webmvc-5.2.4.RELEASE.jar:5.2.4.RELEASE] at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:943) [spring-webmvc-5.2.4.RELEASE.jar:5.2.4.RELEASE] at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1006) [spring-webmvc-5.2.4.RELEASE.jar:5.2.4.RELEASE] at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:898) [spring-webmvc-5.2.4.RELEASE.jar:5.2.4.RELEASE] at javax.servlet.http.HttpServlet.service(HttpServlet.java:634) [tomcat-embed-core-9.0.31.jar:9.0.31] at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:883) [spring-webmvc-5.2.4.RELEASE.jar:5.2.4.RELEASE] at javax.servlet.http.HttpServlet.service(HttpServlet.java:741) [tomcat-embed-core-9.0.31.jar:9.0.31]
ANSWER
Answered 2022-Mar-22 at 12:00Zuul API gateway has been deprecated and now in maintenance mode. so it not recommended to use it.
You should use latest Spring Cloud Gatway in your project. if you want to use gateway
learn more about spring cloud gateway here :https://www.baeldung.com/spring-cloud-gateway
QUESTION
I am developing a Microservice were I am trying to use the Zuul proxy to route through the services. But for some reason Zuul unable to route to the app registered in eureka. I have tried increasing hystrix and Zuul timeout but nothing working
Exception Thrown
com.netflix.zuul.exception.ZuulException: Forwarding error at org.springframework.cloud.netflix.zuul.filters.route.RibbonRoutingFilter.handleException(RibbonRoutingFilter.java:198) ~[spring-cloud-netflix-zuul-2.2.10.RELEASE.jar:2.2.10.RELEASE]
Zuul application.yml
...ANSWER
Answered 2022-Feb-20 at 18:48After Some research I found that Ribbon, Zuul are in maintenance mode and we won't get any new version and spring also came up with alternative for Ribbon, Zuul etc. Please refer this link for spring alternative for load balancing, proxy server etc
And for this issue I used spring cloud gateway instead of Zuul which is the alternative provided by spring
Required Dependency
QUESTION
I'm having some trouble installing the python cryptography
package on my raspberry pi, specifically with python version 3.9.8 (installed with pyenv). The cryptography
package is installed on my system using pacman (python-cryptography
package), and thus works using the main python interpreter (3.10.1). However, I need some version of python 3.9 specifically for another package I am using in this project. Any time I try to install cryptography
through the python 3.9.8 environment, I get the following error:
ANSWER
Answered 2022-Jan-14 at 19:59@jakub's solution ended up solving the problem for me. I uninstalled the version of rust that was installed through pacman
. To replace it, I installed rustup
and then using rustup
, installed the latest nightly version of rust (1.60). Once I did that, installing the cryptography
package worked just fine.
If you are using rustup
, just make sure that you add ~/.cargo/bin
to your PATH
before installation. Also, the command I used to install rust through rustup was rustup toolchain install nightly
.
QUESTION
I plan to migrate a project from Zuul to Spring Cloud Gateway. I have a "checksum code" and I don't know how to migrate it.
In the zuul code i get the url parameter and json body, I then do some checks.
...ANSWER
Answered 2022-Jan-14 at 12:57Spring Cloud gateway has filters to modify request body and response body.
ModifyResponseBody
ModifyRequestBody
As mentioned in the specs, for using these filters, we need to use DSL approach rather than YAML file for configuring routes. So essentially you will have a RouteBuilder like below -
QUESTION
I have installed python38-cryptogrpahy package v.3.3.2-1 thru cygwin but when I try to install fabric via pip - it tries to build it and fails with next error:
...ANSWER
Answered 2021-Dec-19 at 11:47Try to upgrade pip: python -m pip install --upgrade pip
QUESTION
I have an request object, that contains a huge amount of data. But there is a filter in my code, where I need to take out just one element. At the moment I am Deserializing the whole object, which seems overkill to just get one element
This is part of a zuul filter
...ANSWER
Answered 2021-Dec-13 at 17:11At it's simplest the request payload can just be a string so you could read the input as a string and then parse what you want out using a regular expression or an indexOf
or whatever suits best?
QUESTION
We're trying to upgrade spring boot version to 2.6.0 and faced up with "Spring Boot [2.6.0] is not compatible with this Spring Cloud release train" (when running integration tests).
In additional
spring-cloud.version = 2020.0.4
We're using org.springframework.cloud (spring-cloud-context & spring-cloud-commons) 3.0.4
And have (also) this block in the pom:
...
ANSWER
Answered 2021-Nov-23 at 07:45It will be released on November 30 2021. See https://github.com/spring-cloud/spring-cloud-release/milestones?direction=asc&sort=due_date&state=open
QUESTION
This question is about zuul and routing. Now to get zuul routing is quite easy in your application.yml you have the following
...ANSWER
Answered 2021-Dec-02 at 16:11You do not need to route to throttle micro service cause you can route to only one micro service. Instead you can write a pre filter and call throttle micro service. Here is an example of how to write a pre filter
QUESTION
I want to create a project with spring boot, based on microservices. I implemented a gateway with Zuul and now not sure what to use for the security between microservices. I need the microservices to be aware of the user's permissions when they get a request, also they might communicate with each other, not only gateway. I am using spring boot 2.5.7 , but seems that oauth2 is deprecated, I also read about spring authorization server, but it is is experimental. What should i use for security and also if you have some tutorials will be great.
P.S. It will help a free solution, even if it means more implementation.
Thank you.
...ANSWER
Answered 2021-Nov-25 at 13:35What if you do your security only at gateway layer ? and keep your micro-services without security ? Not sure if will fit your requirements.
Check this example using AWS gateway + cognito, same idea:
https://aws.amazon.com/blogs/startups/how-stacs-uses-cognito-and-api-gateway/
QUESTION
I am facing a problem with connecting to two different Redis databases in the scope of the same instance. My Redis configuration class looks like this:
...ANSWER
Answered 2021-Oct-25 at 17:59I have found a solution, namely:
- had to upgrade
spring-boot-starter-data-redis
to version 2.5.4 - added default
RedisTemplate
andJedisConnectionFactory
beans
My RedisConfiguration
class looks like below:
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
Vulnerabilities
No vulnerabilities reported
Install zuul
You can use zuul like any standard Java library. Please include the the jar files in your classpath. You can also use any IDE and you can run and debug the zuul component as you would do with any other Java program. Best practice is to use a build tool that supports dependency management such as Maven or Gradle. For Maven installation, please refer maven.apache.org. For Gradle installation, please refer gradle.org .
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