├── .gitignore ├── LICENSE ├── README.adoc ├── README.md ├── pom.xml └── src ├── main ├── java │ └── hystrixdashboard │ │ ├── HystrixDashboardApplication.java │ │ └── stream │ │ └── MockStreamServlet.java └── resources │ ├── application.yml │ ├── bootstrap.yml │ ├── hystrixdashboard │ └── stream │ │ └── hystrix.stream │ └── log4j.properties └── test └── java └── hystrixdashboard └── test └── SampleHystrixApp.java /.gitignore: -------------------------------------------------------------------------------- 1 | *~ 2 | #* 3 | *# 4 | .#* 5 | .classpath 6 | .project 7 | .settings 8 | .springBeans 9 | .gradle 10 | build 11 | bin 12 | /target/ 13 | git.properties 14 | .idea 15 | *.iml 16 | .factorypath 17 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | 2 | Apache License 3 | Version 2.0, January 2004 4 | http://www.apache.org/licenses/ 5 | 6 | TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 7 | 8 | 1. Definitions. 9 | 10 | "License" shall mean the terms and conditions for use, reproduction, 11 | and distribution as defined by Sections 1 through 9 of this document. 12 | 13 | "Licensor" shall mean the copyright owner or entity authorized by 14 | the copyright owner that is granting the License. 15 | 16 | "Legal Entity" shall mean the union of the acting entity and all 17 | other entities that control, are controlled by, or are under common 18 | control with that entity. For the purposes of this definition, 19 | "control" means (i) the power, direct or indirect, to cause the 20 | direction or management of such entity, whether by contract or 21 | otherwise, or (ii) ownership of fifty percent (50%) or more of the 22 | outstanding shares, or (iii) beneficial ownership of such entity. 23 | 24 | "You" (or "Your") shall mean an individual or Legal Entity 25 | exercising permissions granted by this License. 26 | 27 | "Source" form shall mean the preferred form for making modifications, 28 | including but not limited to software source code, documentation 29 | source, and configuration files. 30 | 31 | "Object" form shall mean any form resulting from mechanical 32 | transformation or translation of a Source form, including but 33 | not limited to compiled object code, generated documentation, 34 | and conversions to other media types. 35 | 36 | "Work" shall mean the work of authorship, whether in Source or 37 | Object form, made available under the License, as indicated by a 38 | copyright notice that is included in or attached to the work 39 | (an example is provided in the Appendix below). 40 | 41 | "Derivative Works" shall mean any work, whether in Source or Object 42 | form, that is based on (or derived from) the Work and for which the 43 | editorial revisions, annotations, elaborations, or other modifications 44 | represent, as a whole, an original work of authorship. For the purposes 45 | of this License, Derivative Works shall not include works that remain 46 | separable from, or merely link (or bind by name) to the interfaces of, 47 | the Work and Derivative Works thereof. 48 | 49 | "Contribution" shall mean any work of authorship, including 50 | the original version of the Work and any modifications or additions 51 | to that Work or Derivative Works thereof, that is intentionally 52 | submitted to Licensor for inclusion in the Work by the copyright owner 53 | or by an individual or Legal Entity authorized to submit on behalf of 54 | the copyright owner. For the purposes of this definition, "submitted" 55 | means any form of electronic, verbal, or written communication sent 56 | to the Licensor or its representatives, including but not limited to 57 | communication on electronic mailing lists, source code control systems, 58 | and issue tracking systems that are managed by, or on behalf of, the 59 | Licensor for the purpose of discussing and improving the Work, but 60 | excluding communication that is conspicuously marked or otherwise 61 | designated in writing by the copyright owner as "Not a Contribution." 62 | 63 | "Contributor" shall mean Licensor and any individual or Legal Entity 64 | on behalf of whom a Contribution has been received by Licensor and 65 | subsequently incorporated within the Work. 66 | 67 | 2. Grant of Copyright License. Subject to the terms and conditions of 68 | this License, each Contributor hereby grants to You a perpetual, 69 | worldwide, non-exclusive, no-charge, royalty-free, irrevocable 70 | copyright license to reproduce, prepare Derivative Works of, 71 | publicly display, publicly perform, sublicense, and distribute the 72 | Work and such Derivative Works in Source or Object form. 73 | 74 | 3. Grant of Patent License. Subject to the terms and conditions of 75 | this License, each Contributor hereby grants to You a perpetual, 76 | worldwide, non-exclusive, no-charge, royalty-free, irrevocable 77 | (except as stated in this section) patent license to make, have made, 78 | use, offer to sell, sell, import, and otherwise transfer the Work, 79 | where such license applies only to those patent claims licensable 80 | by such Contributor that are necessarily infringed by their 81 | Contribution(s) alone or by combination of their Contribution(s) 82 | with the Work to which such Contribution(s) was submitted. If You 83 | institute patent litigation against any entity (including a 84 | cross-claim or counterclaim in a lawsuit) alleging that the Work 85 | or a Contribution incorporated within the Work constitutes direct 86 | or contributory patent infringement, then any patent licenses 87 | granted to You under this License for that Work shall terminate 88 | as of the date such litigation is filed. 89 | 90 | 4. Redistribution. You may reproduce and distribute copies of the 91 | Work or Derivative Works thereof in any medium, with or without 92 | modifications, and in Source or Object form, provided that You 93 | meet the following conditions: 94 | 95 | (a) You must give any other recipients of the Work or 96 | Derivative Works a copy of this License; and 97 | 98 | (b) You must cause any modified files to carry prominent notices 99 | stating that You changed the files; and 100 | 101 | (c) You must retain, in the Source form of any Derivative Works 102 | that You distribute, all copyright, patent, trademark, and 103 | attribution notices from the Source form of the Work, 104 | excluding those notices that do not pertain to any part of 105 | the Derivative Works; and 106 | 107 | (d) If the Work includes a "NOTICE" text file as part of its 108 | distribution, then any Derivative Works that You distribute must 109 | include a readable copy of the attribution notices contained 110 | within such NOTICE file, excluding those notices that do not 111 | pertain to any part of the Derivative Works, in at least one 112 | of the following places: within a NOTICE text file distributed 113 | as part of the Derivative Works; within the Source form or 114 | documentation, if provided along with the Derivative Works; or, 115 | within a display generated by the Derivative Works, if and 116 | wherever such third-party notices normally appear. The contents 117 | of the NOTICE file are for informational purposes only and 118 | do not modify the License. You may add Your own attribution 119 | notices within Derivative Works that You distribute, alongside 120 | or as an addendum to the NOTICE text from the Work, provided 121 | that such additional attribution notices cannot be construed 122 | as modifying the License. 123 | 124 | You may add Your own copyright statement to Your modifications and 125 | may provide additional or different license terms and conditions 126 | for use, reproduction, or distribution of Your modifications, or 127 | for any such Derivative Works as a whole, provided Your use, 128 | reproduction, and distribution of the Work otherwise complies with 129 | the conditions stated in this License. 130 | 131 | 5. Submission of Contributions. Unless You explicitly state otherwise, 132 | any Contribution intentionally submitted for inclusion in the Work 133 | by You to the Licensor shall be under the terms and conditions of 134 | this License, without any additional terms or conditions. 135 | Notwithstanding the above, nothing herein shall supersede or modify 136 | the terms of any separate license agreement you may have executed 137 | with Licensor regarding such Contributions. 138 | 139 | 6. Trademarks. This License does not grant permission to use the trade 140 | names, trademarks, service marks, or product names of the Licensor, 141 | except as required for reasonable and customary use in describing the 142 | origin of the Work and reproducing the content of the NOTICE file. 143 | 144 | 7. Disclaimer of Warranty. Unless required by applicable law or 145 | agreed to in writing, Licensor provides the Work (and each 146 | Contributor provides its Contributions) on an "AS IS" BASIS, 147 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or 148 | implied, including, without limitation, any warranties or conditions 149 | of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A 150 | PARTICULAR PURPOSE. You are solely responsible for determining the 151 | appropriateness of using or redistributing the Work and assume any 152 | risks associated with Your exercise of permissions under this License. 153 | 154 | 8. Limitation of Liability. In no event and under no legal theory, 155 | whether in tort (including negligence), contract, or otherwise, 156 | unless required by applicable law (such as deliberate and grossly 157 | negligent acts) or agreed to in writing, shall any Contributor be 158 | liable to You for damages, including any direct, indirect, special, 159 | incidental, or consequential damages of any character arising as a 160 | result of this License or out of the use or inability to use the 161 | Work (including but not limited to damages for loss of goodwill, 162 | work stoppage, computer failure or malfunction, or any and all 163 | other commercial damages or losses), even if such Contributor 164 | has been advised of the possibility of such damages. 165 | 166 | 9. Accepting Warranty or Additional Liability. While redistributing 167 | the Work or Derivative Works thereof, You may choose to offer, 168 | and charge a fee for, acceptance of support, warranty, indemnity, 169 | or other liability obligations and/or rights consistent with this 170 | License. However, in accepting such obligations, You may act only 171 | on Your own behalf and on Your sole responsibility, not on behalf 172 | of any other Contributor, and only if You agree to indemnify, 173 | defend, and hold each Contributor harmless for any liability 174 | incurred by, or claims asserted against, such Contributor by reason 175 | of your accepting any such warranty or additional liability. 176 | 177 | END OF TERMS AND CONDITIONS 178 | 179 | APPENDIX: How to apply the Apache License to your work. 180 | 181 | To apply the Apache License to your work, attach the following 182 | boilerplate notice, with the fields enclosed by brackets "[]" 183 | replaced with your own identifying information. (Don't include 184 | the brackets!) The text should be enclosed in the appropriate 185 | comment syntax for the file format. We also recommend that a 186 | file or class name and description of purpose be included on the 187 | same "printed page" as the copyright notice for easier 188 | identification within third-party archives. 189 | 190 | Copyright 2015-Present Pivotal Software Inc. 191 | 192 | Licensed under the Apache License, Version 2.0 (the "License"); 193 | you may not use this file except in compliance with the License. 194 | You may obtain a copy of the License at 195 | 196 | http://www.apache.org/licenses/LICENSE-2.0 197 | 198 | Unless required by applicable law or agreed to in writing, software 199 | distributed under the License is distributed on an "AS IS" BASIS, 200 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 201 | See the License for the specific language governing permissions and 202 | limitations under the License. 203 | 204 | 205 | 206 | -------------------------------------------------------------------------------- /README.adoc: -------------------------------------------------------------------------------- 1 | # hystrix-dashboard is no longer actively maintained by VMware, Inc. 2 | 3 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # Hystrix Dashboard 2 | 3 | To run locally: 4 | 5 | ```` 6 | mvn install 7 | java -jar target/hystrix-dashboard-0.0.1.BUILD-SNAPSHOT.jar 8 | ```` 9 | 10 | In your browser, go to [http://localhost:7979/](http://localhost:7979/) # port configurable in `application.yml` 11 | 12 | On the home page is a form where you can 13 | enter the URL for an event stream to monitor, for example (the 14 | customers service running locally): 15 | `http://localhost:9000/hystrix.stream`. Any app that uses 16 | `@EnableHystrix` will expose the stream. 17 | 18 | To aggregate many streams together you can use the 19 | [Turbine sample](https://github.com/spring-cloud-samples/turbine). 20 | -------------------------------------------------------------------------------- /pom.xml: -------------------------------------------------------------------------------- 1 | 2 | 4 | 4.0.0 5 | 6 | org.demo 7 | hystrix-dashboard 8 | jar 9 | Spring Cloud Netflix Hystrix 10 | https://projects.spring.io/spring-cloud/ 11 | 0.0.1.BUILD-SNAPSHOT 12 | 13 | 14 | org.springframework.boot 15 | spring-boot-starter-parent 16 | 2.3.7.RELEASE 17 | 18 | 19 | 20 | 21 | 11 22 | Hoxton.SR9 23 | 24 | 25 | 26 | org.springframework.cloud 27 | spring-cloud-starter-netflix-hystrix-dashboard 28 | 29 | 30 | org.springframework.cloud 31 | spring-cloud-starter-netflix-hystrix 32 | 33 | 34 | org.springframework.boot 35 | spring-boot-starter-actuator 36 | 37 | 38 | org.springframework.boot 39 | spring-boot-starter-test 40 | test 41 | 42 | 43 | org.junit.vintage 44 | junit-vintage-engine 45 | 46 | 47 | 48 | 49 | 50 | 51 | 52 | org.springframework.cloud 53 | spring-cloud-dependencies 54 | ${spring-cloud.version} 55 | pom 56 | import 57 | 58 | 59 | 60 | 61 | 62 | 63 | org.springframework.boot 64 | spring-boot-maven-plugin 65 | 66 | 67 | 68 | maven-deploy-plugin 69 | 70 | true 71 | 72 | 73 | 74 | 75 | 76 | -------------------------------------------------------------------------------- /src/main/java/hystrixdashboard/HystrixDashboardApplication.java: -------------------------------------------------------------------------------- 1 | package hystrixdashboard; 2 | 3 | import hystrixdashboard.stream.MockStreamServlet; 4 | 5 | import org.springframework.boot.SpringApplication; 6 | import org.springframework.boot.autoconfigure.SpringBootApplication; 7 | import org.springframework.boot.web.servlet.ServletRegistrationBean; 8 | import org.springframework.cloud.netflix.hystrix.dashboard.EnableHystrixDashboard; 9 | import org.springframework.context.annotation.Bean; 10 | import org.springframework.stereotype.Controller; 11 | import org.springframework.web.bind.annotation.RequestMapping; 12 | 13 | /** 14 | * Created by sgibb on 7/11/14. 15 | */ 16 | @Controller 17 | @EnableHystrixDashboard 18 | @SpringBootApplication 19 | public class HystrixDashboardApplication { 20 | 21 | @RequestMapping("/") 22 | public String home() { 23 | return "forward:/hystrix"; 24 | } 25 | 26 | public static void main(String[] args) { 27 | SpringApplication.run(HystrixDashboardApplication.class, args); 28 | } 29 | 30 | @Bean 31 | public ServletRegistrationBean mockStreamServlet() { 32 | return new ServletRegistrationBean(new MockStreamServlet(), "/mock.stream"); 33 | } 34 | 35 | } 36 | -------------------------------------------------------------------------------- /src/main/java/hystrixdashboard/stream/MockStreamServlet.java: -------------------------------------------------------------------------------- 1 | package hystrixdashboard.stream; 2 | 3 | import org.slf4j.Logger; 4 | import org.slf4j.LoggerFactory; 5 | 6 | import javax.servlet.ServletException; 7 | import javax.servlet.http.HttpServlet; 8 | import javax.servlet.http.HttpServletRequest; 9 | import javax.servlet.http.HttpServletResponse; 10 | import java.io.*; 11 | import java.nio.charset.Charset; 12 | 13 | /** 14 | * Simulate an event stream URL by retrieving pre-canned data instead of going to live servers. 15 | */ 16 | public class MockStreamServlet extends HttpServlet { 17 | private static final long serialVersionUID = 1L; 18 | private static final Logger logger = LoggerFactory.getLogger(MockStreamServlet.class); 19 | 20 | public MockStreamServlet() { 21 | super(); 22 | } 23 | 24 | /** 25 | * @see javax.servlet.http.HttpServlet#doGet(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) 26 | */ 27 | protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { 28 | String filename = request.getParameter("file"); 29 | if (filename == null) { 30 | // default to using hystrix.stream 31 | filename = "hystrix.stream"; 32 | } else { 33 | // strip any .. / characters to avoid security problems 34 | filename = filename.replaceAll("\\.\\.", ""); 35 | filename = filename.replaceAll("/", ""); 36 | } 37 | int delay = 500; 38 | String delayArg = request.getParameter("delay"); 39 | if (delayArg != null) { 40 | delay = Integer.parseInt(delayArg); 41 | } 42 | 43 | int batch = 1; 44 | String batchArg = request.getParameter("batch"); 45 | if (batchArg != null) { 46 | batch = Integer.parseInt(batchArg); 47 | } 48 | 49 | String data = getFileFromPackage(filename); 50 | String lines[] = data.split("\n"); 51 | 52 | response.setContentType("text/event-stream"); 53 | response.setCharacterEncoding("UTF-8"); 54 | 55 | int batchCount = 0; 56 | // loop forever unless the user closes the connection 57 | for (;;) { 58 | for (String s : lines) { 59 | s = s.trim(); 60 | if (s.length() > 0) { 61 | try { 62 | response.getWriter().println(s); 63 | response.getWriter().println(""); // a newline is needed after each line for the events to trigger 64 | response.getWriter().flush(); 65 | batchCount++; 66 | } catch (Exception e) { 67 | logger.warn("Exception writing mock data to output.", e); 68 | // most likely the user closed the connection 69 | return; 70 | } 71 | if (batchCount == batch) { 72 | // we insert the delay whenever we finish a batch 73 | try { 74 | // simulate the delays we get from the real feed 75 | Thread.sleep(delay); 76 | } catch (InterruptedException e) { 77 | // ignore 78 | } 79 | // reset 80 | batchCount = 0; 81 | } 82 | } 83 | } 84 | } 85 | } 86 | 87 | private String getFileFromPackage(String filename) { 88 | try { 89 | String file = "/" + this.getClass().getPackage().getName().replace('.', '/') + "/" + filename; 90 | InputStream is = this.getClass().getResourceAsStream(file); 91 | try { 92 | /* this is FAR too much work just to get a string from a file */ 93 | BufferedReader in = new BufferedReader(new InputStreamReader(is, Charset.forName("UTF-8"))); 94 | StringWriter s = new StringWriter(); 95 | int c = -1; 96 | while ((c = in.read()) > -1) { 97 | s.write(c); 98 | } 99 | return s.toString(); 100 | } finally { 101 | is.close(); 102 | } 103 | } catch (Exception e) { 104 | throw new RuntimeException("Could not find file: " + filename, e); 105 | } 106 | } 107 | } 108 | -------------------------------------------------------------------------------- /src/main/resources/application.yml: -------------------------------------------------------------------------------- 1 | info: 2 | component: Hystrix Dashboard 3 | 4 | endpoints: 5 | restart: 6 | enabled: true 7 | shutdown: 8 | enabled: true 9 | 10 | server: 11 | port: 7979 12 | 13 | logging: 14 | level: 15 | ROOT: INFO 16 | org.springframework.web: DEBUG 17 | 18 | eureka: 19 | client: 20 | #Region where eureka is deployed -For AWS specify one of the AWS regions, for other datacenters specify a arbitrary string 21 | #indicating the region.This is normally specified as a -D option (eg) -Deureka.region=us-east-1 22 | region: default 23 | 24 | 25 | #For eureka clients running in eureka server, it needs to connect to servers in other zones 26 | preferSameZone: false 27 | 28 | #Change this if you want to use a DNS based lookup for determining other eureka servers. For example 29 | #of specifying the DNS entries, check the eureka-client-test.properties, eureka-client-prod.properties 30 | #shouldUseDns: false 31 | 32 | us-east-1: 33 | availabilityZones: default 34 | 35 | instance: 36 | #Virtual host name by which the clients identifies this service 37 | virtualHostName: ${spring.application.name} 38 | -------------------------------------------------------------------------------- /src/main/resources/bootstrap.yml: -------------------------------------------------------------------------------- 1 | spring: 2 | application: 3 | name: hystrixdashboard 4 | cloud: 5 | config: 6 | uri: ${vcap.services.${PREFIX:}configserver.credentials.uri:http://user:password@localhost:8888} 7 | -------------------------------------------------------------------------------- /src/main/resources/log4j.properties: -------------------------------------------------------------------------------- 1 | log4j.rootLogger=INFO, FILE 2 | log4j.appender.FILE=org.apache.log4j.ConsoleAppender 3 | log4j.appender.FILE.layout=org.apache.log4j.PatternLayout 4 | log4j.appender.FILE.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss} %p %C:%L [%C{1}] [%M]: %m%n 5 | 6 | log4j.appender.FILE.httpclient=ERROR 7 | -------------------------------------------------------------------------------- /src/test/java/hystrixdashboard/test/SampleHystrixApp.java: -------------------------------------------------------------------------------- 1 | package hystrixdashboard.test; 2 | 3 | import com.netflix.hystrix.contrib.javanica.annotation.HystrixCommand; 4 | import org.springframework.beans.factory.annotation.Autowired; 5 | import org.springframework.boot.SpringApplication; 6 | import org.springframework.boot.autoconfigure.EnableAutoConfiguration; 7 | import org.springframework.boot.autoconfigure.freemarker.FreeMarkerAutoConfiguration; 8 | import org.springframework.cloud.netflix.hystrix.EnableHystrix; 9 | import org.springframework.context.annotation.Bean; 10 | import org.springframework.context.annotation.Configuration; 11 | import org.springframework.web.bind.annotation.RequestMapping; 12 | import org.springframework.web.bind.annotation.RestController; 13 | 14 | /** 15 | * @author Spencer Gibb 16 | */ 17 | @Configuration 18 | @EnableAutoConfiguration(exclude = FreeMarkerAutoConfiguration.class) 19 | @EnableHystrix 20 | @RestController 21 | public class SampleHystrixApp { 22 | 23 | @Autowired 24 | Service service; 25 | 26 | @RequestMapping("/") 27 | public String slash() { 28 | return service.hello(); 29 | } 30 | 31 | @Bean 32 | Service service() { 33 | return new Service(); 34 | } 35 | 36 | public static void main(String[] args) { 37 | SpringApplication.run(SampleHystrixApp.class, args); 38 | } 39 | } 40 | class Service { 41 | 42 | @HystrixCommand 43 | public String hello() { 44 | return "Hello"; 45 | } 46 | } 47 | --------------------------------------------------------------------------------