Introduction to DevOps Lifecycle
DevOps the word itself says, it is a combination of “Development” and “Operation”. DevOps lifecycle manages the relationship between the development team and the operation team to deploy the right product to a customer in a faster way using automation tools.
DevOps increases the speed of the organization to deploy their product in a faster manner and deliver the product to a customer with accuracy. It helps an organization to deliver better services and compete with others in the market.
DevOps Lifecycle
Let’s discuss the DevOps lifecycle to understand how it exactly performs all the tasks. Below is the diagram which shows the structure of the DevOps lifecycle.
1. Code: The first step in this DevOps lifecycle is the coding. In this step, the developers write the code on any platform to develop the product for a customer.
2. Build: The second step is to build where the basic version of the product is built using a suitable programming language.
3. Test: The third step test where the built products are tested using the automation testing tools such as selenium web driver, selenium RC, Bugzilla, etc.
4. Release: This step involves planning, scheduling and controlling the built process in a different environment.
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5. Deploy: Here all the deployment products and files are executed on the server.
6. Operate: After the deployment of the product or application, it is delivered to the customer for use where he uses that product or application for daily life purposes.
7. Monitor: In this step, the delivered products or application to a user has been monitored to note down any uptime and downtime failures, errors.
8. Plan: After monitoring it gathers all the information and feedback from the customer and plans the changes that need to be done to make it better.
Different Phases of DevOps Lifecycle
Below is the diagram showing various phases of the DevOps lifecycle.
Let’s discuss the phases of the DevOps life-cycle to understand it in a better manner.
- Continuous Development
- Continuous Integration
- Continuous Testing
- Continuous Monitoring
- Continuous Feedback
1. Continuous Development
In this development phase, the set of objectives that must be needed to deliver through the application are developed. Once these project objectives are finalized, the development process of coding has been started. After development, it transfers to the next phase. As DevOps follows continuous development it also works on the previous application to make the changes according to the feedback and to meet the requirements.
2. Continuous Integration
After the continuous development, the continuous integration phase occurs where various tests are planned that needs to be carried out in the next phase. It helps us to find out whether the developed application meets the desired requirements or not.
Continuous integration is a seamless process which leads the next phase inefficient manner.
3. Continuous Testing
It continuous testing phase the developed application is tested using automation tools. Testers test the applications using different test cases and give results about different aspects of product or application. These results are then sent to the development process to improve the product or application.
4. Continuous Monitoring
It is a crucial phase in the DevOps lifecycle where the use of application or product has been monitored. In this phase, the working of the application or product is being monitored and recorded carefully by using tools such as Splunk, ELK Stack, Nagios, etc. After that, problem areas are identified. And if there are any problems then it will give to the development team to solve that problem and detect and fix the bugs. This phase will focus on optimal performance and service uptime.
5. Continuous Feedback
The development of product or application is improved constantly by analyzing the results from all phases i.e monitoring, testing, etc. This process is carried out by this continuous feedback phase. This phase comes in between the development and operation phases of the next version of the product or application.
This continuous feedback phase is very important in the DevOps lifecycle because it gives feedback on the product or application earlier after the development and before the product has been delivered to the customer. So it is easy to remove that errors and improve the efficiency of the product or the application. It saves the time of the organization.
Advantages and disadvantages of DevOps Lifecycle
Below are mentioned the advantages and disadvantages of the lifecycle:
Advantages of DevOps Lifecycle
- This method is easy to implement and tasks can be arranged easily.
- Because of its rigid model, DevOps is easy to manage.
- Here, constant monitoring and debugging occur, hence it is less vulnerable and has less of loopholes to errors.
Disadvantages of DevOps Lifecycle
- This can not be used when working with complex and object-oriented models.
- This method does not accommodate changing requirements.
Conclusion
DevOps is an efficient way of developing the application or product. It improves the efficiency of the organization and saves time by allowing the users or customers a direct contribution to the development process of product or application through sharing continuous feedback.
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