Jenkins and Travis CI In Java
In the Java programming language, Jenkins and Travis CI, CI/CD are software management tools or features. Jenkins and Travis CI, CI/CD in Java are used to automate critical system tasks such as creating new software, testing and debugging existing software, and finally deploying it to dedicated system hardware devices. For Java/Maven software project testing management, they can automatically run your Java source code tests whenever the Java program source code is pushed to the Git platform environment.
What is the CI/CD concept in Java?
The CI (Continuous Integration) concept in Java programs means automatically creating updates to Java program source code that occur multiple times and testing them when needed. The CD (Continuous Delivery/Deployment) concept in Java programs means automating the process of building or deploying software tested from user-defined Java program source code.
A typical Java CI/CD workflow looks like this.
Java Developer
↓
git push method
↓
Git code repository
↓
CI Test Server
↓
mvn clean test method
↓
Build task
↓
Finally Deployment
Java CI/CD example.
mvn clean test
In this, whenever a Java user pushes a custom user modification-based change, it can be automatically run.
Jenkins concept in Java.
Jenkins is an open-source, free-of-cost automation server technology for Java software source code testing management. The Jenkins automation server in Java is commonly used to implement CI/CD pipeline methods.
The basic Java Jenkins automation server workflow is as follows.
Git Push command
↓
This finds modifications in Jenkins
↓
View the Java program source code
↓
Maven build concept
↓
Run your unit tests
↓
Create a Java JAR/WAR file
↓
Finally, deploy it
A Jenkins pipeline can be indicated in the Java program source code using a Jenkinsfile.
Example of a Jenkins pipeline.
pipeline {
agent any
stage {
stage(‘checkout task’) {
steps {
checkout scm
}
}
stage(‘build task’) {
steps {
sh ‘mvn clean compile method’
}
}
stage(‘test task’) {
steps {
sh ‘mvn test’
}
}
stage(‘package task’) {
steps {
sh ‘mvn package’
}
}
}
}
}
}
Advantages of using Jenkins Pipeline in Java.
- Jenkins Pipeline provides Java users with multiple user-defined customizable options.
- Jenkins Pipeline has its own large plugin library support ecosystem.
- The Java Jenkins pipeline supports multiple languages and build system environments simultaneously.
- The Jenkins pipeline can be installed and run on your own local hardware infrastructure.
- The Jenkins pipeline also supports complex CI/CD pipeline concepts.
- The Jenkins pipeline easily integrates with other Java libraries, such as Git, Maven, Docker, cloud platforms, and many other software tools.
Example of Java for Jenkins.
When a Java software developer pushes a task or request.
git push origin feature/login
Java Jenkins can then.
Checkout source code
↓
mvn clean task
↓
mvn test task
↓
mvn package method
↓
Publish the artifact / finally deploy it
Travis CI concept with Java.
Travis CI is a hosted CI service task for Java source code environments that can automatically create and test projects when custom user update modifications are pushed to a Java repository.
Its default configuration is typically defined as follows.
.travis.yml
For a Java Maven Java source code project, a simple configuration might look something like this.
language: java
jdk:
– openjdk17
script:
– mvn clean test
The general flow of a basic Java Travis CI concept is.
Git Push command
↓
Travis CI concept
↓
Set up Java
↓
Run the Maven framework
↓
Run user code tests
↓
Preview build results
Detail Difference Between Java Jenkins Vs Travis CI
| # | Jenkins Vs Travis Ci Features | Jenkins Overview | Travis Ci Overview |
| 1. | Type method | It enables java code for automation server | It enables java source code with ci service |
| 2. | Configuration level | It provides java jenkinsfile/ui/plugins library configuration | It provides configuration file to customize for it |
| 3. | Hosting platform | Generally, or commonly, it is self-hosted | It is a hosted based service platform |
| 4. | Customization level | It provides very high level of user custom customization | Generally, it enables simpler level of customization allowed |
| 5. | Plugins library support | It supports large plugins library support ecosystem for user need | It provides support integrations/configuration according to need |
| 6. | Java/Maven support | Yes, it provides java/maven platform support | Yes, it provides java/maven integration support |
| 7. | Complex pipelines | It provides complex pipelines with strong environment | It provides complex pipelines with supported behaviour |
| 8. | Infrastructure control | It supports very high infrastructure control environment | It supports a lower with hosted setup method |
Example of Jenkins Pipeline vs. Travis Configuration.
Java Jenkins Configuration:
stage(‘Test Method’) {
steps {
sh ‘mvn test’
}
}
Java Travis CI Configuration:
script:
– mvn test
In the above example, both the Jenkins pipeline and Travis configuration can automate the same basic Java build process.
CI/CD concepts in Java with Git, Maven, and Java.
These tools work well together with Java program source code.
Git environment concept
↓
Developer push update task
↓
Jenkins/Travis configuration method
↓
Maven build environment
↓
Unit test run
↓
Package JAR/WAR file creation step
↓
Final device deployment task
Conclusion of Jenkins and Travis CI.
These tools or features may be important for a Java software developer team.
- Git → It helps you control Java program source code versions.
- Maven → It provides Java users with Java program source code dependency management and a build environment.
- JUnit/Mockito → It helps Java users complete Java program source-code unit testing tasks.
- Jenkins or Travis CI → It helps Java users manage Java program source-code in an automated CI/CD environment.
- Docker/Cloud/Server → It helps Java users install and deploy Java program source-code to a final dedicated system hardware device.
In short, Jenkins is primarily an automation server for Java program source-code, which Java users can configure at a large level. While Travis CI is a CI-as-a-service approach designed to simplify automated build and test through Java program source-code repository configuration.
