Bazel vs Jenkins

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Bazel

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Jenkins

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2.2K
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Bazel vs Jenkins: What are the differences?

Key Differences between Bazel and Jenkins

Bazel and Jenkins are both popular tools in the software development industry, but they serve different purposes and have distinct features. Here are the key differences between Bazel and Jenkins:

  1. Build System vs. Continuous Integration/Continuous Deployment (CI/CD): Bazel is primarily a build system that focuses on the building and testing of software. It provides efficient and reproducible builds across different languages and platforms. On the other hand, Jenkins is a CI/CD tool that automates the integration and delivery of software, allowing teams to continuously build, test, and deploy their applications.

  2. Distributed Caching and Remote Execution: Bazel offers advanced features like distributed caching and remote execution, which enable faster and more efficient builds. It can leverage a cloud-based cache to avoid rebuilding dependencies and can distribute build tasks across multiple machines, reducing build times significantly. Jenkins, however, does not natively provide these features and relies on plugins or external tools for achieving similar functionality.

  3. Scalability and Flexibility: Bazel is designed for large-scale projects and can efficiently handle monolithic codebases with millions of lines of code. It uses a targeted dependency approach, allowing developers to build only the necessary parts of the codebase. In contrast, Jenkins is more suitable for smaller projects or teams with fewer developers, and its workflows may not scale as effectively to large codebases.

  4. Language and Platform Support: Bazel supports a wide range of programming languages like C++, Java, Python, and more. It also provides support for various platforms, including Linux, macOS, and Windows. Jenkins, on the other hand, is versatile and supports multiple programming languages and platforms. It can integrate with a variety of tools and technologies through its vast plugin ecosystem.

  5. Configuration and Scripting: Bazel uses a declarative approach for configuration and build rules. It utilizes a BUILD file, written in a domain-specific language (DSL), to define dependencies and build targets. Bazel's configuration is strict and follows predetermined principles, ensuring reproducibility. Jenkins, on the contrary, uses a more flexible and adaptable approach with its pipeline-based configuration, enabling developers to define their build pipelines using procedural scripting.

  6. Community and Ecosystem: Bazel has gained popularity within tech giants like Google and is supported by their engineering teams. It has a thriving open-source community and is actively maintained and developed. Jenkins, on the other hand, has been around for a longer time and has a larger user base and a vast ecosystem of plugins and integrations, making it more accessible for developers and providing extensive support and resources.

In summary, Bazel is a powerful build system known for its speed, scalability, and cross-platform support, while Jenkins is a popular CI/CD tool that focuses on automation and integration. While both tools have overlapping functionality in terms of building and testing, their primary use cases differ, and their features are tailored to suit different development environments and requirements.

Advice on Bazel and Jenkins
Needs advice
on
Azure PipelinesAzure Pipelines
and
JenkinsJenkins

We are currently using Azure Pipelines for continous integration. Our applications are developed witn .NET framework. But when we look at the online Jenkins is the most widely used tool for continous integration. Can you please give me the advice which one is best to use for my case Azure pipeline or jenkins.

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Replies (1)
Recommends
on
GitHubGitHub

If your source code is on GitHub, also take a look at Github actions. https://github.com/features/actions

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Mohammad Hossein Amri
Chief Technology Officer at Planally · | 3 upvotes · 503.7K views
Needs advice
on
GoCDGoCD
and
JenkinsJenkins

I'm open to anything. just want something that break less and doesn't need me to pay for it, and can be hosted on Docker. our scripting language is powershell core. so it's better to support it. also we are building dotnet core in our pipeline, so if they have anything related that helps with the CI would be nice.

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Replies (1)
Ankit Malik
Software Developer at CloudCover · | 1 upvotes · 486.4K views
Recommends
on
Google Cloud BuildGoogle Cloud Build

Google cloud build can help you. It is hosted on cloud and also provide reasonable free quota.

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Needs advice
on
ConcourseConcourse
and
JenkinsJenkins

I'm planning to setup complete CD-CD setup for spark and python application which we are going to deploy in aws lambda and EMR Cluster. Which tool would be best one to choose. Since my company is trying to adopt to concourse i would like to understand what are the lack of capabilities concourse have . Thanks in advance !

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Replies (1)
Maxi Krone
Cloud Engineer at fme AG · | 2 upvotes · 405.3K views
Recommends
on
ConcourseConcourse

I would definetly recommend Concourse to you, as it is one of the most advanced modern methods of making CI/CD while Jenkins is an old monolithic dinosaur. Concourse itself is cloudnative and containerbased which helps you to build simple, high-performance and scalable CI/CD pipelines. In my opinion, the only lack of skills you have with Concourse is your own knowledge of how to build pipelines and automate things. Technincally there is no lack, i would even say you can extend it way more easily. But as a Con it is more easy to interact with Jenkins if you are only used to UIs. Concourse needs someone which is capable of using CLIs.

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Needs advice
on
JenkinsJenkinsTravis CITravis CI
and
CircleCICircleCI

From a StackShare Community member: "Currently we use Travis CI and have optimized it as much as we can so our builds are fairly quick. Our boss is all about redundancy so we are looking for another solution to fall back on in case Travis goes down and/or jacks prices way up (they were recently acquired). Could someone recommend which CI we should go with and if they have time, an explanation of how they're different?"

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Replies (6)
Dustin Falgout
Senior Developer at Elegant Themes · | 13 upvotes · 557.9K views

We use CircleCI because of the better value it provides in its plans. I'm sure we could have used Travis just as easily but we found CircleCI's pricing to be more reasonable. In the two years since we signed up, the service has improved. CircleCI is always innovating and iterating on their platform. We have been very satisfied.

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Peter Thomas
Distinguished Engineer at Intuit · | 9 upvotes · 868.8K views
Recommends
on
Travis CITravis CI
at

As the maintainer of the Karate DSL open-source project - I found Travis CI very easy to integrate into the GitHub workflow and it has been steady sailing for more than 2 years now ! It works well for Java / Apache Maven projects and we were able to configure it to use the latest Oracle JDK as per our needs. Thanks to the Travis CI team for this service to the open-source community !

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Recommends
on
Google Cloud BuildGoogle Cloud Build

I use Google Cloud Build because it's my first foray into the CICD world(loving it so far), and I wanted to work with something GCP native to avoid giving permissions to other SaaS tools like CircleCI and Travis CI.

I really like it because it's free for the first 120 minutes, and it's one of the few CICD tools that enterprises are open to using since it's contained within GCP.

One of the unique things is that it has the Kaniko cache, which speeds up builds by creating intermediate layers within the docker image vs. pushing the full thing from the start. Helpful when you're installing just a few additional dependencies.

Feel free to checkout an example: Cloudbuild Example

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Recommends
on
Travis CITravis CI

I use Travis CI because of various reasons - 1. Cloud based system so no dedicated server required, and you do not need to administrate it. 2. Easy YAML configuration. 3. Supports Major Programming Languages. 4. Support of build matrix 6. Supports AWS, Azure, Docker, Heroku, Google Cloud, Github Pages, PyPi and lot more. 7. Slack Notifications.

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Oded Arbel
Recommends
on
GitLab CIGitLab CI

You are probably looking at another hosted solution: Jenkins is a good tool but it way too work intensive to be used as just a backup solution.

I have good experience with Circle-CI, Codeship, Drone.io and Travis (as well as problematic experiences with all of them), but my go-to tool is Gitlab CI: simple, powerful and if you have problems with their limitations or pricing, you can always install runners somewhere and use Gitlab just for scheduling and management. Even if you don't host your git repository at Gitlab, you can have Gitlab pull changes automatically from wherever you repo lives.

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Recommends
on
BuildkiteBuildkite

If you are considering Jenkins I would recommend at least checking out Buildkite. The agents are self-hosted (like Jenkins) but the interface is hosted for you. It meshes up some of the things I like about hosted services (pipeline definitions in YAML, managed interface and authentication) with things I like about Jenkins (local customizable agent images, secrets only on own instances, custom agent level scripts, sizing instances to your needs).

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Decisions about Bazel and Jenkins

Jenkins is a pretty flexible, complete tool. Especially I love the possibility to configure jobs as a code with Jenkins pipelines.

CircleCI is well suited for small projects where the main task is to run continuous integration as quickly as possible. Travis CI is recommended primarily for open-source projects that need to be tested in different environments.

And for something a bit larger I prefer to use Jenkins because it is possible to make serious system configuration thereby different plugins. In Jenkins, I can change almost anything. But if you want to start the CI chain as soon as possible, Jenkins may not be the right choice.

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Pros of Bazel
Pros of Jenkins
  • 28
    Fast
  • 20
    Deterministic incremental builds
  • 17
    Correct
  • 16
    Multi-language
  • 14
    Enforces declared inputs/outputs
  • 10
    High-level build language
  • 9
    Scalable
  • 5
    Multi-platform support
  • 5
    Sandboxing
  • 4
    Dependency management
  • 2
    Windows Support
  • 2
    Flexible
  • 1
    Android Studio integration
  • 523
    Hosted internally
  • 469
    Free open source
  • 318
    Great to build, deploy or launch anything async
  • 243
    Tons of integrations
  • 211
    Rich set of plugins with good documentation
  • 111
    Has support for build pipelines
  • 68
    Easy setup
  • 66
    It is open-source
  • 53
    Workflow plugin
  • 13
    Configuration as code
  • 12
    Very powerful tool
  • 11
    Many Plugins
  • 10
    Continuous Integration
  • 10
    Great flexibility
  • 9
    Git and Maven integration is better
  • 8
    100% free and open source
  • 7
    Slack Integration (plugin)
  • 7
    Github integration
  • 6
    Self-hosted GitLab Integration (plugin)
  • 6
    Easy customisation
  • 5
    Pipeline API
  • 5
    Docker support
  • 4
    Fast builds
  • 4
    Hosted Externally
  • 4
    Excellent docker integration
  • 4
    Platform idnependency
  • 3
    AWS Integration
  • 3
    JOBDSL
  • 3
    It's Everywhere
  • 3
    Customizable
  • 3
    Can be run as a Docker container
  • 3
    It`w worked
  • 2
    Loose Coupling
  • 2
    NodeJS Support
  • 2
    Build PR Branch Only
  • 2
    Easily extendable with seamless integration
  • 2
    PHP Support
  • 2
    Ruby/Rails Support
  • 2
    Universal controller

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Cons of Bazel
Cons of Jenkins
  • 3
    No Windows Support
  • 2
    Bad IntelliJ support
  • 1
    Poor windows support for some languages
  • 1
    Constant breaking changes
  • 1
    Learning Curve
  • 1
    Lack of Documentation
  • 13
    Workarounds needed for basic requirements
  • 10
    Groovy with cumbersome syntax
  • 8
    Plugins compatibility issues
  • 7
    Lack of support
  • 7
    Limited abilities with declarative pipelines
  • 5
    No YAML syntax
  • 4
    Too tied to plugins versions

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What is Bazel?

Bazel is a build tool that builds code quickly and reliably. It is used to build the majority of Google's software, and thus it has been designed to handle build problems present in Google's development environment.

What is Jenkins?

In a nutshell Jenkins CI is the leading open-source continuous integration server. Built with Java, it provides over 300 plugins to support building and testing virtually any project.

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What are some alternatives to Bazel and Jenkins?
Pants
Pants is a build system for Java, Scala and Python. It works particularly well for a source code repository that contains many distinct projects.
Webpack
A bundler for javascript and friends. Packs many modules into a few bundled assets. Code Splitting allows to load parts for the application on demand. Through "loaders" modules can be CommonJs, AMD, ES6 modules, CSS, Images, JSON, Coffeescript, LESS, ... and your custom stuff.
Ansible
Ansible is an IT automation tool. It can configure systems, deploy software, and orchestrate more advanced IT tasks such as continuous deployments or zero downtime rolling updates. Ansible’s goals are foremost those of simplicity and maximum ease of use.
Buck
Buck encourages the creation of small, reusable modules consisting of code and resources, and supports a variety of languages on many platforms.
CMake
It is used to control the software compilation process using simple platform and compiler independent configuration files, and generate native makefiles and workspaces that can be used in the compiler environment of the user's choice.
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