Introduction to GitOps
GitOps focus on a specific part of DevOps, i.e., Continuous Deployment. DevOps might need to provide insight into how those scripts would run, whereas it explicitly declare the desired state in its repository.
It is a way to implement continuous deployment for cloud-native applications, enabling automation in the DevOps workflow and increasing deployment accuracy. The main Idea of it is that it stores the declared states in the Git repository and implements automation to match the current environment in the Git repository. It is well known for its automation capabilities and helps the development processes to ensure efficiency and productivity.
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What is GitOps?
It have a lot of functionality, but it can be defined with some principles:
Declared Desired States in Git Repository
We are providing a suitable level of visibility into the system and code for the conical state declaration of the goals.
Version Control
It allows the developer to track changes in the codebase or repositories and helps in assessing the situation based on the previous strategies and applications.
It helps manage the kuberbetes clusters. The main advantage is that deploying a new application or updating an old one could be done by only updating the repository, and the rest of the process will be automated.
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What are the benefits of GitOps?
It has a variety of benefits and allows developers to improve the development and deployment processes with enhanced efficiency. Let’s review some of the benefits:
Consistency in Operations
Open Source codes promise visibility and drive other developers to see and review the code for best practices. Even though there is an option for restricted access, it is up to the developer to provide access to the codebase.
It lets developers self-debug their code by looking through the open-source repository.
Increased Stability
The team can collaborate and fix errors quickly in a given time. As GitOps enables rollback to the previous state of the software to deploy updates in a stable environment.
Security and Compliance
It provides cryptography to track changes and manage the downtime of the systems. Also, with robust security and authentication guarantees, developers can configure the code without worrying about security issues.
Quick Deployment
It implements automation in the software deployment process and enables a streamlined flow of activities and operations to fasten up the release process.
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How is ML being used in GitOps?
With technological advancements, Machine Learning is being incorporated into it to automate or modernize operations even more. It lets developers know the changes in the source code and enables them to deploy updates many times a day.
Machine learning practitioners are using intelligent applications to push GitOps and cloud-native technology forward and try to gain a competitive edge over their competitors.
Bringing GitOps to ML introduces progressive delivery and deployment frameworks, which helps implement workflows for making the transition from an older version to the latest version and can be avoided if a significant error occurs.
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What are its best strategies and framework ?
The best strategies and framework are described below:
Progressive Delivery Frameworks
If everything is in Git, it can be tracked, audited, reviewed, and reproducible. Here are some Progressive Delivery Strategies:-
- Blue/Green Deployment Strategy
In this deployment strategy, the newer version of the application and the older version of the application get deployed at the same time. The users have access to the older version, and the QA team gets access to the newer version on separate servers to check and test automation. When the testing is done, the older version is replaced with the newer version to give access to the new features to the users.
- A/B Deployment Strategy
This deployment strategy is quite different from the Blue/Green Deployment Strategy. Rather than automating the tests, a small number of users are given access to the new version without being noticed. If the user testing goes well without any queries, the newer version is rolled out for the rest of the users. Also, it is sometimes referred to as ‘dark deployment.
- Canary Testing
To test the new functionality of the application in the backend, the canary deployment strategy is traditionally used right now. In this approach, there are two identical servers. One is open to all users; generally, the older version is being used on one, whereas on the other, the new features are rolled out to a specific number of users.
If no errors are reported, the new version of the application is gradually rolled out and ultimately replaces the old version for the users.
Some ML pipeline Components
The Basic Machine Learning pipelines consist of Data sets, Models, and Algorithms. To understand the ML pipeline for it, let’s discuss some in-depth functional aspects of the components.
- Data Engineer
The Data sets are prepared and configured by a data engineer for other data modeling.
- Data Scientist
The Data Scientist is responsible for writing the algorithms for aligning the data sets and models for accurate deployment and user experience.
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Reasons to use GitOps for ML
Some benefits of it with Machine Learning Operability can simplify tasks and enhance operational efficiency with:
Deployment validation
Capturing the Web Page and converting it into an image for testing works to identify defects along the development journey. The image gets divided into multiple UX components and used to check other components and train the model for better and more efficient testing. The testing is based on scoring. A score closer to 0 signifies the test case is close to failure, and a score near 1 displays the test case meets the required criteria.
Monitoring and Alerts
Machine Learning can identify disk usage and generate alerts from the system to display production errors.
It works on previous successful test cases, and understanding the KPIs enables a practical monitoring approach.
Tracking and Auditing
When Everything is on Git, then all the testing of the components can be tracked and audited. Also, with Kubernetes, the developer can allow for changes to the runs with minimal changes to the code.
Conclusion
Although GitOps and DevOps share some similarities, the functionality differs on a whole different level. DevOps is like a methodology, and it is a paradigm. GitOps for ML brought a new meaning to the deployment approach. Still, DevOps is used for certain applications and infrastructure frameworks.
- Click to explore Continuous Delivery Solutions with GitOps
- Discover more about DevOps Assembly Lines and CI Pipelines
