Jenkins vs GitLab CI: Battle of CI/CD Tools

Introduction to Jenkins

Jenkins is a famous and extendable open-source CI/ CD tool for automation of deployments. Jenkins is written completely in Java and launched under an MIT license. It has a powerful set of features that can automate tasks related to building, test, deployment, integration, and release of the software. This automated CI/CD tools for testing is available for use on macOS, Windows, and diverse UNIX versions such as OpenSUSE, Ubuntu, Red Hat, and more. Besides installation by native installation packages, it can be installed as a standalone or as a Docker on any machine that includes Java Runtime Environment (JRE) installed.

There is also a sub-project by the Jenkins team called Jenkins X, which specializes in running a seamless pipeline with Kubernetes right out of the box. Jenkins X smartly integrates Helm, Jenkins CI/CD server, Kubernetes, and other tools to offer a prescriptive CI/CD tools pipeline with best practices built-in, like using GitOps to direct environments.A plus point about using Jenkins is that the script is well structured, easily understandable, and quite readable. Around 1,000 plugins have been produced by the Jenkins team, allowing the application to intermingle with other familiar technology. Besides, it is also possible to use plug-ins, such as with Credentials Command. This makes it easy and feasible to add on hidden Authentication Credentials, etc into the script. Once the Jenkins pipeline starts running through, you also get to verify if the phases passed or failed and the total number of each phase. Yet, you won’t be able to check the status of the specific jobs in the graphical overview provided. However, what you can do is follow the progress of the jobs in the terminal.

Learn how to integrate TestMu AI Jenkins plugin with your Jenkins Freestyle project

Jenkins: Core Features

Jenkins is best known for its easy setup, automated build process, and the vast documentation it provides for the users. When it comes to DevOps testing, Jenkins is considered quite reliable and probably won’t have to monitor the entire build process which is not the case with other CI/CD tools. Let’s look at some of the most important features offered by Jenkins-

1. Free, Open Source and Easy Installation

Jenkins is easily available for macOS, Unix, Windows, platforms. It can be combined with Docker to bring high consistency and extra speed to automated jobs. It can also run as a servlet in Java containers such as Apache Tomcat & GlassFish. You will find a lot of support and documentation to guide throughout the installation process.

2. Broad Plugin Ecosystem

The plugin ecosystem of this particular tool is much more mature in comparison to other CI/CD tools. At present, there are 1500+ plugins offered by them. Since these plugins are ranging from language-specified development tools to build tools; it makes customization easy and lucrative. Hence, you would not be required to buy expensive plugins. Jenkins plugin integration is also available for a number of DevOps testing tools.

3. Easy Setup and Configuration

The setup and configuration procedures of this tool are quite easy, as only some steps are needed in the installation. The upgrading procedure of Jenkins is also trouble-free and straight-forward. Again the support documentation provided helps a lot in configuring the tool according to your requirement.

4. Helpful Community

As you know it is an open-source project with an abundant plugin ecosystem, all of the plugins and features are intelligently supported by a vast community contribution. The amazing community involvement that accompanies Jenkins is one of the major reasons that have helped with its maturity.

5. Offers REST API

Jenkins offers the RESTful Application Programming Interface for extensibility. The Jenkin’s remote-access API comes in three distinct flavors – Python, XML, & JSON with JSONP support. One of the pages in Jenkins site has descriptive documentation on Jenkins APIs that can aid in extensibility.

6. Supports Parallel Execution

Jenkins intelligently supports parallel testing. You can easily integrate it with dissimilar tools and get notifications if the build is successful or unsuccessful. Developers can even accelerate their test suites by executing multi-builds in parallel, across distinct virtual machines.

7. Easily Work Distribution

It can effortlessly run distributed work i.e. tasks run through a distinct machine without resulting in an impact on the GUI (Graphical User Interface). It is significant to note that only this specific tool can use the same instance on which it runs GUI associated tasks, as opposed to other CI/CD tools.

You might also like TeamCity vs. Jenkins: Picking The Right CI/CD Tool.

This Jenkins Tutorial for beginners and professionals will help you learn how to use Jenkins, one of the most popular CI/CD tools used in DevOps.

Introduction to GitLab CI/CD

Among all the CI/CD tools for testing, GitLab CI/CD is undoubtedly the newest one and the most admired choice. It is a free and self-hosted Continuous Integration tool built into GitLab CI/CD. GitLab CI/CD has a community edition and provides git repository management, issue tracking, code reviews, wikis, and activity feeds. Companies install GitLab CI/CD on-premise and connect it with Active Directory and LDAP servers for secure authorization and authentication.

Find out how to build an Automated Testing Pipeline With GitLab CI/CD & Selenium Grid. Here’s a video tutorial to help you better understand the process-

Formerly released as a standalone project, GitLab CI/CD was integrated into the main GitLab software with the GitLab 8.0 release in September 2015. A solo GitLab CI/CD server can manage more than 25,000 users and it is also likely to form a high availability setup with multi-active servers. GitLab CI/CD and GitLab are written in Ruby and Go and launched under an MIT license. GitLab CI/CD also provides planning, packaging, SCM, release, configuration, and scrutinizing in addition to CI/CD that other CI/CD tools are focused on.

GitLab CI/CD also provides repositories, thus the integration of GitLab CI/CD is quite simple and straightforward. When it comes to using GitLab CI/CD, the phase command comprises a series of stages that will be implemented or executed in the precise order. After implementation, each job is portrayed and configured with diverse options.

Each job is part of a phase and will automatically run parallel with other jobs in a similar phase. Once you do that, the jobs are configured and you are all set to run the GitLab CI/CD pipeline. The result will be illustrated later on and you will be able to check the status of every single job you specified inside a phase. That is how GitLab CI/CD is different from other CI/CD tools used in DevOps testing.

GitLab CI/CD: Core Features

GitLab CI/CD is one of the most loved CI/CD tools used for DevOps testing. GitLab CI/CD has strong documentation, easy control, good User Experience on its side. If you are new to GitLab CI/CD, I have listed down the main features of GitLab CI/CD that will help you know it better. Come take a look.

1. High Availability Deployments

It is widely used and one of the newest open-source CI/CD tools available. Installation as well as configuration for GitLab CI/CD is easy. It is a free and self-hosted CI tool built into GitLab. GitLab CI/CD gradually evolved as one of the most popular free CI/ CD tools used for automation of deployments.

2. Jekyll Plugins Support

Jekyll plugin is a static website generator with great support for GitLab Pages and it makes the build process simpler. Jekyll Plugins Support takes HTML files and Markdown and creates a completely static site based on your preference of layouts. One can easily configure most Jekyll settings, for example, your website’s plugins and theme, by editing your _config.yml file.

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3. Milestone Setting

Milestones setting in a tool is a great means to track issues, improve on a series of issues, and draw requests in a repository. You can easily assign project milestones to any issue or combine requests in that project barely or assign group milestones to issues or combine requests of any project in the group.

4. Auto-Scaling CI Runners

Auto-scaling GitLab CI runners can easily manage and save 90% on EC2 costs. This is truly essential, particularly for a parallel testing environment. Also, for organization level or project level runners this is usable across repositories.

5. Issue Tracking & Issue Shuffling

Due to its great issue tracking and issue shuffling features, GitLab is a preferred CI/CD tool for numerous open-source projects. It smartly allows you to parallel test pull requests and branches. For simple and trouble-free monitoring, the testing outcomes are displayed on the GitLab UI. Owing to the easy user interface, it is extra friendly to use when you compare it to Jenkins.

6. Manage Git Repositories With Access Controls

You can easily manage git repositories with great access permissions. You can easily grant write/ read access to collaborators on an individual repository, even members of the particular organization can have more granular access controls for the organization’s repositories.

7. Active Community Support

The active and progressive community is one of the major plus-points for GitLab CI/ CD. All the support is provided out-of-the-box and doesn’t require modification in additional plugin installation.

8. Code Reviews & Merge Requests

GitLab CI/ CD is not only used for building code but to scrutinize or review code as well. It allows improved collaboration with easy merge requests and merge management systems. There is support for more or less all version control systems & build environments. Loads of collaborative initiatives are implemented under the GitLab project that aid in the expansion of GitLab CI/ CD.

This GitLab Tutorial for beginners and professionals will help you learn how to use GitLab, one of the most popular CI/CD tools used in DevOps.

Jenkins vs GitLab CI/CD – Comparison Snapshot

Jenkins and GitLab, both well-known CI/CD solutions, come with distinct sets of features and capabilities. This thorough comparison explores the fundamental aspects of Jenkins and GitLab, helping you make an educated choice when selecting the best CI/CD solution for your projects. Here’s a comprehensive feature comparison between these two CI/CD tools.

Distinction between Jenkins vs GitLab CI/CD

Now that you have seen the Jenkins vs GitLab CI/CD feature comparison, it is time to find the differences between the two DevOps testing tools. These differences will help you understand the real reason behind the Jenkins vs GitLab CI/CD battle.

• With the aid of GitLab CI/CD, you can control Git repositories with total control over branches and several other facets to keep your code safe from sudden threats. However, in the Jenkins case, you can control repositories but up to a few extents only. It does not allow complete control over branches and other facets.
• Jenkins is “Hosted-Internally” and is a “free open-source” that’s the reason why coders prefer it. On the flip side, GitLab CI/CD is “Self-Hosted“ and “FREE” that is why developers prefer it more.
• In GitLab CI/CD, every single project has a tracker that will track the problem and carry out code reviews to improve efficiency. While in the Jenkins tool; it has changed set supports and a simple procedure for installation as well as configuration.

Jenkins vs GitLab CI/CD: Which CI/CD Tool Should You Prefer?

Both Jenkins and GitLab CI/CD have their own pros and cons and your final choice between the two CI/CD tools entirely depends upon the project requirements and specification. Each of these CI/CD tools has its own set of advantages, disadvantages and were released to accomplish exactly the same requirement: automating processes for CI/CD (continuous integration and delivery). Jenkins is for Continuous Integration whereas Gitlab CI/CD is for Code Collaboration and Version Control.

Apart from the salient features, you should also glance at the pricing lists and in-house proficiency while picking out the best CI/CD tools for DevOps testing.

Fun Fact: From a DevOps testing perspective, It doesn’t matter whether you choose Jenkins or GitLab CI/CD as our cloud Selenium Grid offers integrations with both CI/CD tools and many more. The best part of using TestMu AI for cross browser testing is that you can test and validate your new builds in the pipeline on 3000+ real browsers, their versions, and operating systems and speed up your testing once you have chosen the best DevOps testing tool.

You can also check out the rest of the TestMu AI CI/CD integrations.

You can integrate and automate your Selenium test suites with GitLab CI on TestMu AI.

Happy Testing!

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