• Duration 10 weeks
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    DevOps

₹15,000
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DevOps strategy is highly important governance mechanism. Organizations typically focus more on DevOps pipeline but strategy should not be ignored. Ignoring DevOps strategy can result in governance, organizational and maintenance problems that can slow down application development & delivery.

DevOps

DevOps?

Its a culture, concept, process and approach that merges software requirement gathering, software development, testing, quality assurance, system configurations, product deployment and operations. Organizations building or improving software products are moving towards a DevOps approach where development, testing, security, quality assurance and operations are getting merged within a large team and those technical resources work side by side to achieve higher return on investment.

DevOps strategy is highly important governance mechanism. Organizations typically focus more on DevOps pipeline but strategy should not be ignored. Ignoring DevOps strategy can result in governance, organizational and maintenance problems that can slow down application development & delivery.

Teams should focus on customer, agile methodology, collaboration, automation and release mechanism along with DevOps pipeline that contain all steps, phases and tools used to achieve end to end application development and delivery.

Advantages of DevOps strategy:

  1. Faster code build
  2. Faster code deployment
  3. Easier to deliver new changes
  4. Suitable for multiple teams working on same product
  5. Better quality of software
  6. Less technical debt
  7. Economical solution
  8. Reduced time to market
  9. High productivity
  10. Good team morale
  11. High collaboration & communication
  12. Streamlined development process
  13. Customer satisfaction
  14. Faster delivery
  15. Good architecture
  16. Scalable system

DevOps is one of the most broad topics within software dev because it lacks boundaries and limitations. Many technologies, tools, concepts, processes and ideas converge to give a good DevOps pipeline and DevOps process resulting in agile planning, continuous integration, continuous delivery, and high level monitoring of your enterprise level software systems. Hence, DevOps is not a single role or even a team’s work that deals with all the technologies and processes. It a mixture of culture, traditions and process.

These CS of DevOps pipeline

  1. Faster code build
  2. Faster code deployment
  3. Easier to deliver new changes
  4. Suitable for multiple teams working on same product
  5. Better quality of software
  6. Less technical debt
  7. Economical solution
  8. Reduced time to market
  9. High productivity
  10. Good team morale
  11. High collaboration & communication
  12. Streamlined development process
  13. Customer satisfaction
  14. Faster delivery
  15. Good architecture
  16. Scalable system

Challenges in DevOps:

  1. Resistance to change
  2. Organizational structure not suitable for DevOps
  3. Difficulty to deal with expertise teams
  4. Moving towards cross functional teams is complicated
  5. More focus on tools & technologies
  6. Less focus on process, methodologies and governance framework
  7. Clash between Dev & Ops
  8. Moving from legacy application to microservices
  9. Different teams within organization having their own DevOps tools & processes
  10. Lack of technical skills required
  11. Lack of business domain & understanding
  12. Lack of knowledge of the industry
  13. Choice of tools can be a challenge
  14. Changing the organizational culture
  15. Managing different testing categories & types
  16. Managing different services, products and modules within software ecosystem
  17. Managing multiple environments
  18. Dealing with complications of application delivery pipeline
  19. Securing software infrastructure
  20. Implementation costs
  21. More technical resources required
  22. Too many technologies & tools required
  23. Software application & delivery becomes complex due to many tools used
  24. Dealing with test data for different types of testing

Containerization & Orchestration:

What’s a container?

A virtual image that contains source code, libraries, APIS, dependencies, configurations, properties and other details needed to ship your software package.

  1. Configurations
  2. Properties
  3. Data
  4. Schema
  5. Source Code
  6. Dependencies
  7. Artifacts (Binaries, Components..)
Why Images?

An image is a file that contains the above features such as source code, configuration, dependencies and configurations.

What is a Docker?

Its a Software Platform that allows users to easily PACK, DISTRIBUTE, MANAGE and OPERATE your applications within CONTAINERS. It also helps users CREATE, DEPLOY AND RUN applications using virtual containers.

Docker Hub?

A repository for hosting thousands of container images for an enterprise application. Docker hub is for containers what JFrog and Nexus are for Artifacts (Binaries, Components, Modules and Dependencies). Docker Hub can be public and private repository. Enterprise teams and organizations have their own internal repository containing thousands of container images if not hundreds. Docker Hub integrates with hundreds of DevOps tools such as Jenkins, GitLab & Bitbucket. It also contains built in security feature along with free version. There are many types of containers with different technologies but Docker Container and its technology is the most used as of 2021.

Benefits of Docker

  1. Return on Investment
  2. Standardization & Productivity
  3. DevOps Efficiency
  4. Simplicity
  5. Faster Configurations
  6. Compatibility
  7. Maintainability
  8. Rapid Deployment
  9. Rapid Testing
  10. Scalable
  11. Useful for Microservices
  12. Valuable in Cloud Platforms
  13. Consistency in Different Environments
  14. Secure System
What is Kubernetes?

Kubernetes is an open source system for managing containerized applications across multiple hosts. It provides basic mechanisms for deployment, maintenance, and scaling of applications. Kubernetes is a container orchestration framework that was developed to manage docker containers. Kubernetes helps to manage applications that are running on hundreds or thousands of container environments. It can also manage applications running in different environments, like physical machines, virtual machines, or even hybrid deployment environments. One of the most popular tools for this purpose is Kubernetes, a container orchestrator that recognizes multiple container runtime environments, including Docker. Kubernetes provides some edge functions, such as Load Balancer, Service discovery, and Role-Based Access Control(RBAC). Sometimes in the industry, Kubernetes is also known as “K8s”.

IAC & Configuration

Infrastructure as Code (IAC) is the managing and provisioning of infrastructure through code instead of through manual processes. It is a way to transform the way DevOps organizations, manage their clouds, leveraging the various Infrastructure-as-Code (IAC) technologies out there. Examples: Terraform, Pulumi, CloudFormation and Helm.

With IAC, configuration files are created that contain your infrastructure specifications, which makes it easier to edit and distribute configurations. It also ensures that you provision the same environment every time. Managing IT system configurations involves defining a system’s desired state—like server configuration—then building and maintaining those systems. Closely related to configuration assessments and drift analyses, configuration management uses both to identify systems to update, reconfigure, or patch. Configuration management systems let you consistently define system settings, as well as build and maintain those systems according to those baseline settings. Configuration management helps users and administrators know where certain services exist and what the current state of applications are.

Proper configuration management tools will:

  • Classify and manage systems by groups and subgroups.
  • Centrally modify base configurations.
  • Roll out new settings to all applicable systems.
  • Automate system identification, patches, and updates
  • Identify outdated, poor performing, and noncompliant configurations.
  • Prioritize actions.
  • Access and apply prescriptive remediation.

Configuration management benefits:

Think of it like this. If you keep up with the small things, you can avoid more complicated, expensive repairs in the future. Configuration management is about preventing issues so you don’t have to deal with as many problems later. For example, you can make sure that your test and production environments match. That way, you’ll have fewer problems with applications once they’ve been deployed than you would if these environments weren’t exactly the same. With configuration management, you can accurately replicate an environment with the correct configurations and software because you know what exists in the original environment.

Configuration Management Tools in DevOps:

Ansible, Puppet, Chef, Azure Automation, Salt stack, CFEngine.

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