Gradle to Maven conversion

.editorconfig

@@ -11,6 +11,6 @@ indent_size = 2
 indent_style = space
 indent_size = 4
 continuation_indent_size = 8
-ij_java_imports_layout = *,|,javax.**,java.**,|,$*
+ij_java_imports_layout = *, |, javax.**, java.**, |, $*
 ij_java_class_count_to_use_import_on_demand = 5
 ij_java_names_count_to_use_import_on_demand = 3

.gitignore

@@ -17,3 +17,4 @@ logs
 out
 .vscode/
 tempo-data/
+target/

.mvn/jvm.config

@@ -0,0 +1 @@
+-Xmx1024m -XX:CICompilerCount=1 -XX:TieredStopAtLevel=1 -Djava.security.egd=file:/dev/./urandom

.mvn/maven.config

@@ -0,0 +1 @@
+-P spring

.mvn/wrapper/MavenWrapperDownloader.java

@@ -0,0 +1,122 @@
+/*
+ * Copyright 2007-present the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import java.net.*;
+import java.io.*;
+import java.nio.channels.*;
+import java.util.Properties;
+
+public class MavenWrapperDownloader {
+
+    private static final String WRAPPER_VERSION = "0.5.6";
+    /**
+     * Default URL to download the maven-wrapper.jar from, if no 'downloadUrl' is provided.
+     */
+    private static final String DEFAULT_DOWNLOAD_URL = "https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/"
+            + WRAPPER_VERSION + "/maven-wrapper-" + WRAPPER_VERSION + ".jar";
+
+    /**
+     * Path to the maven-wrapper.properties file, which might contain a downloadUrl property to
+     * use instead of the default one.
+     */
+    private static final String MAVEN_WRAPPER_PROPERTIES_PATH =
+            ".mvn/wrapper/maven-wrapper.properties";
+
+    /**
+     * Path where the maven-wrapper.jar will be saved to.
+     */
+    private static final String MAVEN_WRAPPER_JAR_PATH =
+            ".mvn/wrapper/maven-wrapper.jar";
+
+    /**
+     * Name of the property which should be used to override the default download url for the wrapper.
+     */
+    private static final String PROPERTY_NAME_WRAPPER_URL = "wrapperUrl";
+
+    public static void main(String args[]) {
+        System.out.println("- Downloader started");
+        File baseDirectory = new File(args[0]);
+        System.out.println("- Using base directory: " + baseDirectory.getAbsolutePath());
+
+        // If the maven-wrapper.properties exists, read it and check if it contains a custom
+        // wrapperUrl parameter.
+        File mavenWrapperPropertyFile = new File(baseDirectory, MAVEN_WRAPPER_PROPERTIES_PATH);
+        String url = DEFAULT_DOWNLOAD_URL;
+        if (mavenWrapperPropertyFile.exists()) {
+            FileInputStream mavenWrapperPropertyFileInputStream = null;
+            try {
+                mavenWrapperPropertyFileInputStream = new FileInputStream(mavenWrapperPropertyFile);
+                Properties mavenWrapperProperties = new Properties();
+                mavenWrapperProperties.load(mavenWrapperPropertyFileInputStream);
+                url = mavenWrapperProperties.getProperty(PROPERTY_NAME_WRAPPER_URL, url);
+            }
+            catch (IOException e) {
+                System.out.println("- ERROR loading '" + MAVEN_WRAPPER_PROPERTIES_PATH + "'");
+            }
+            finally {
+                try {
+                    if (mavenWrapperPropertyFileInputStream != null) {
+                        mavenWrapperPropertyFileInputStream.close();
+                    }
+                }
+                catch (IOException e) {
+                    // Ignore ...
+                }
+            }
+        }
+        System.out.println("- Downloading from: " + url);
+
+        File outputFile = new File(baseDirectory.getAbsolutePath(), MAVEN_WRAPPER_JAR_PATH);
+        if (!outputFile.getParentFile().exists()) {
+            if (!outputFile.getParentFile().mkdirs()) {
+                System.out.println(
+                        "- ERROR creating output directory '" + outputFile.getParentFile().getAbsolutePath() + "'");
+            }
+        }
+        System.out.println("- Downloading to: " + outputFile.getAbsolutePath());
+        try {
+            downloadFileFromURL(url, outputFile);
+            System.out.println("Done");
+            System.exit(0);
+        }
+        catch (Throwable e) {
+            System.out.println("- Error downloading");
+            e.printStackTrace();
+            System.exit(1);
+        }
+    }
+
+    private static void downloadFileFromURL(String urlString, File destination) throws Exception {
+        if (System.getenv("MVNW_USERNAME") != null && System.getenv("MVNW_PASSWORD") != null) {
+            String username = System.getenv("MVNW_USERNAME");
+            char[] password = System.getenv("MVNW_PASSWORD").toCharArray();
+            Authenticator.setDefault(new Authenticator() {
+                @Override
+                protected PasswordAuthentication getPasswordAuthentication() {
+                    return new PasswordAuthentication(username, password);
+                }
+            });
+        }
+        URL website = new URL(urlString);
+        ReadableByteChannel rbc;
+        rbc = Channels.newChannel(website.openStream());
+        FileOutputStream fos = new FileOutputStream(destination);
+        fos.getChannel().transferFrom(rbc, 0, Long.MAX_VALUE);
+        fos.close();
+        rbc.close();
+    }
+
+}

.mvn/wrapper/maven-wrapper.properties

@@ -0,0 +1,2 @@
+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.8.4/apache-maven-3.8.4-bin.zip
+wrapperUrl=https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar

.travis.yml

@@ -6,25 +6,25 @@ services:
 language: groovy
 
 jdk:
-- oraclejdk8
+  - oraclejdk8
 
 install:
-- true
+  - true
 
 before_script:
- - "echo $JAVA_OPTS"
- - "export JAVA_OPTS=-Xmx256m"
+  - "echo $JAVA_OPTS"
+  - "export JAVA_OPTS=-Xmx256m"
 
 script:
-- ./gradlew clean build --parallel $SWITCH
+  - ./gradlew clean build --parallel $SWITCH
 
 env:
   global:
-  - TERM=dumb
-  - SHOULD_START_RABBIT=no
-  - RETRIES=200
+    - TERM=dumb
+    - SHOULD_START_RABBIT=no
+    - RETRIES=200
   matrix:
     - SWITCH='-DWHAT_TO_TEST=SLEUTH'
     - SWITCH='-DWHAT_TO_TEST=ZOOKEEPER'
     - SWITCH='-DWHAT_TO_TEST=EUREKA'
-    - SWITCH='-DWHAT_TO_TEST=CONSUL'
+    - SWITCH='-DWHAT_TO_TEST=CONSUL'

README.md

@@ -30,7 +30,8 @@ Here is the UI
 
 ![UI](img/Brewery_UI.png)
 
-- Go to the presenting service (http://localhost:9991 or to https://brewery-presenting.${PCF_DOMAIN}) and order ingredients. `PCF_DOMAIN` is the domain set to your CF installation. If you deploy to Pivotal Web Services it will default to `cfapps.io` (so the link for PWS will be https://brewery-presenting.cfapps.io) **(1)**
+- Go to the presenting service (http://localhost:9991 or to https://brewery-presenting.${PCF_DOMAIN}) and order ingredients. `PCF_DOMAIN` is the domain set to your CF installation.
+  If you deploy to Pivotal Web Services it will default to `cfapps.io` (so the link for PWS will be https://brewery-presenting.cfapps.io) **(1)**
 - A request from the presenting service is sent to the aggregating service when order is placed **(2)**
 - A "PROCESS-ID" header is set and will be passed through each part of beer brewing
 
@@ -43,7 +44,7 @@ Brewing service contains the following functionalities:
 - Service contains a warehouse ("database") where is stores the ingredients
 - Spring Cloud Gateway will be used as proxy **(3)**
 - Once the ingredients have been received an event is emitted **(7)**
-- You have to have all 4 ingredients reach their threshold (1000) to start maturing the beer 
+- You have to have all 4 ingredients reach their threshold (1000) to start maturing the beer
 - Once the brewing has been started an event is emitted **(7)**
 - Once the threshold is met the application sends a request to the maturing service **(8)**
 - Each time a request is sent to the aggregating service it returns as a response its warehouse state
@@ -52,14 +53,14 @@ Brewing service contains the following functionalities:
 
 - It receives a request with ingredients needed to brew a beer
 - The brewing process starts thanks to the `Thread.sleep` method
-- Once it's done an event is emitted **(9)** 
+- Once it's done an event is emitted **(9)**
 - And a request to the bottling service is sent with number of worts **(10)**
 - Presenting service is called to update the current status of the beer brewing process
 
 #### Bottling
 
 - Waits some time to bottle the beer
-- Once it's done an event is emitted **(11)** 
+- Once it's done an event is emitted **(11)**
 - Presenting service is called to update the current status of the beer brewing process **(12)**
 
 ### Ingredients Service
@@ -86,29 +87,25 @@ Brewing service contains the following functionalities:
 ├── docker           (docker scripts for additional apps - e.g. graphite)
 ├── config-server    (set up for the config server)
 ├── eureka           (Eureka server needed for Eureka tests)
-├── git-props        (properties for config-server to pick)
-├── gradle           (gradle related stuff)
 ├── img              (the fabulous diagram of the brewery)
 ├── ingredients      (service returns ingredients)
 ├── presenting       (UI of the brewery)
 ├── reporting        (service that listens to events)
-├── zipkin-server    (Zipkin Server for Sleuth Stream tests)
-├── zookeeper        (embedded zookeeper)
 └── proxy            (Spring Cloud Gateway that forwards requests to ingredients)
 ```
 
 ## How to build it?
 
 ```
-./gradlew clean build
+./mvnw clean install
 ```
 
 ## How to build one module?
 
 E.g. `brewing` module
 
 ```
-./gradlew brewing:clean brewing:build
+./mvnw clean install -pl brewing
 ```
 
 ## How to run it?
@@ -121,39 +118,8 @@ YOU NEED DOCKER-COMPOSE INSTALLED TO RUN THE BREWERY ON YOUR LOCAL MACHINE!
 
 The easiest way is to:
 
-* GO to the cloned `brewery` where you have the `runAcceptanceTests.sh` script (which in fact is already a symbolic link to `acceptance-tests/scripts/runDockerAcceptanceTests.sh`
- for your convenience)
-* You can execute that script with such options
-
-```
-GLOBAL:
--t  |--whattotest  - define what you want to test (i.e. SLEUTH, ZOOKEEPER, SLEUTH, EUREKA, CONSUL, SCS)
--v  |--version - which version of BOM do you want to use? Defaults to Brixton snapshot
--sv |--scsversion - which version of BOM for Spring Cloud Services do you want to use? Defaults to 1.1.2.BUILD-SNAPSHOT
--h  |--healthhost - what is your health host? where is docker? defaults to localhost
--l  |--numberoflines - how many lines of logs of your app do you want to print? Defaults to 1000
--r  |--reset - do you want to reset the git repo of brewery? Defaults to "no"
--ke |--killattheend - should kill all the running apps at the end of execution? Defaults to "no"
--n  |--killnow - should not run all the logic but only kill the running apps? Defaults to "no"
--x  |--skiptests - should skip running of e2e tests? Defaults to "no"
--s  |--skipbuilding - should skip building of the projects? Defaults to "no"
--k  |--kafka - uses Kafka instead of RabbitMQ
--d  |--skipdeployment - should skip deployment of apps? Defaults to "no"
--a  |--deployonlyapps - should deploy only the brewery business apps instead of the infra too? Defaults to "no"
--b  |--bootversion - Which version of Boot should be used? Defaults to 1.4.4.RELEASE for the plugin and to boot version used by libs
--ve |--verbose - Will print all library versions
-
-CLOUD FOUNDRY RELATED PROPERTIES:
--c  |--usecloudfoundry - should run tests for cloud foundry? (works only for SLEUTH) Defaults to "no"
--cd |--cloudfoundrydomain - what's the domain of your cloud foundry? Defaults to "run.pivotal.io"
--cu |--username - username to log in with to CF
--cp |--password - password to log in with to CF
--cpr|--cloudfoundryprefix - provides the prefix to the brewery app name. Defaults to 'brewery'
--cs |--space - provides the space for Cloud Foundry. Defaults to 'brewery'
--co |--org - provides the prefix to the brewery app name. Defaults to 'brewery'
-```
-
-* For more options just run `runAcceptanceTests.sh` without any options or with `--help` switch
+* GO to the cloned `brewery` where you have the `runAcceptanceTests.sh` script
+* For all options just run `runAcceptanceTests.sh` without any options or with `--help` switch
 
 Once you run the script, the brewery app will be cloned, built with proper lib versions and proper tests
 will be executed.
@@ -216,19 +182,19 @@ Execute:
 bash runAcceptanceTests.sh -n
 ```
 
-
 ## How to run a single module?
 
 To run a single module just execute (e.g. `presenting` module):
 
 ```
-./gradlew presenting:bootRun -Dspring.profiles.active=dev
+./mvnw spring-boot:run -Dspring.profiles.active=dev -pl presenting
 ```
 
 ## Authors
 
 The code is ported from https://github.com/uservices-hackathon
 
 The authors of the initial version of the code are:
+
 - Marcin Grzejszczak (marcingrzejszczak)
 - Tomasz Szymanski (szimano)

acceptance-tests/README.md

@@ -1,18 +1,18 @@
-# Brewery Acceptance Tests 
+# Brewery Acceptance Tests
 
 Tests that check various Spring Cloud functionalities on the Brewery project.
 
 ## What are we testing?
 
-### Service Discovery 
+### Service Discovery
 
 Do applications talk to each other properly via:
 
 - Zookeeper
 - Eureka
-- Consul 
+- Consul
 
-### Tracing 
+### Tracing
 
 Does request instrumentalization work properly with:
 
@@ -35,18 +35,18 @@ This project is automatically ran from the Brewery root project via a bash scrip
 is a normal Gradle project, you can run the tests by simply passing Gradle commands. Check the configuration section
 for more info on how to parametrize the tests.
 
-When ran in a PR build acceptance tests are placed in a docker container so that they can access the 
-Docker Virtual Network. Only then will the tests be able to find and successfully call the Presenting 
+When ran in a PR build acceptance tests are placed in a docker container so that they can access the
+Docker Virtual Network. Only then will the tests be able to find and successfully call the Presenting
 service via service discovery tool.
 
 ## Configuration
 
-Check the `io.spring.cloud.samples.brewery.acceptance.common.WhatToTest` to see what exactly you can test. 
+Check the `io.spring.cloud.samples.brewery.acceptance.common.WhatToTest` to see what exactly you can test.
 In order to execute the those tests you have to provide a system parameter `WHAT_TO_TEST` with the value
 from that enum. E.g.
 
 ```
-./gradlew test -DWHAT_TO_TEST=SLEUTH
+../mvnw verify -DWHAT_TO_TEST=SLEUTH
 ```
 
 ### Parameters
@@ -57,4 +57,4 @@ In addition to this you can provide a couple of more parameters:
 # will point to the desired URL to find the all services (e.g. https://192.168.99.100), Useful when working
 # with docker-machine
 -DLOCAL_URL=https://192.168.99.100
-```
+```