AWS Devops Tutorial

Are you ready to upgrade your AWS skill set with our recently developed AWS DevOps tutorial? This tutorial is specially designed for non-programmers or non-developers. Learning this AWS DevOps tutorial will help you to get lesser knowledge in codes or programs. You already know that AWS is also known as Amazon Web service and it is a platform where programs can be executed without the need for codes. In this tutorial, we will be explaining the important features, different tools, environment setup, and AWS services. This tutorial is designed for those who want to unleash their AWS skills in development and operations. What are you waiting for? Let’s start learning this AWS DevOps tutorial;

What do you know about AWS DevOps?

AWS DevOps is a combination of two tools: Development and Operations. AWS is a medium where it helps to promote the development and operational process. The main purpose of using AWS DevOps tools allows a single team to handle the collective software application lifecycle development, testing the software components, product deployments, and important operations. The advantage of using AWS DevOps helps developers to reduce any disconnection between the software developments, System administrations, and quality assurance (QA).

What is DevOps?

What is DevOps

The following important factors will explain the concept of both DEV and Ops:

  1. DevOps helps to collaborate between the development and operations team and helps in the deployment codes to produce faster automation and repeatable ways.
  2. DevOps helps to increase the overall organization speed to deliver effective applications, products, or services. This will also help an organization to offer better services to the customers.
  3. DevOps can also be defined as a sequence of IT operations and software development lifecycle to offer better communication and collaborations with the end-users.
  4. DevOps tool is one of the most valuable business applications for any enterprise or organization. With the help of DevOps speed and quality of any application will be improved.
  5. DevOps is nothing but a type of methodology of making both developers and operations. Aws DevOps also represents any change in the IT culture to increase IT service delivery for the agile methodologies in the context of system-oriented approaches.
  6. DevOps is all about the development process operational integrations, so it increases 22% of total quality improvements and 17% frequency application development improvements.

Brief about DevOps History:

  1. In 2009, the first Amazon conferences were held in Ghent Belgium, and named this tool as DevOpsdays. Belgian consultant and Patrick Debois first founded the conference.
  2. In 2012, the state of DevOps report was first launched and conceived by Alanna Brown.
  3. In 2014 -> the first annual state of AWS DevOps report was published by 3 scientists namely Nicole Forsgren, Gene Kim, and Jez Humble. In the same year, the first DevOps adoption was found.
  4. In 2015, these 3 scientists founded DORA or DevOps research and assignments.
  5. In 2017, Nichole Forsgren, Jez Humble, and Gene Kim first published “Accelerate the building and scaling high-performance technology organization”.

Advantages of DevOps:

Below are the few key advantages of DevOps:

  1. With the help of DevOps, both the operation and development teams work well with complete isolation.
  2. Once you build, the testing and deployment operations will be performed well. Due to this reason, development teams consume more time in building the cycles.
  3. Without using DevOps, the software team members need to spend a large amount of time on phases like designing, testing, and deploying the software requirements.
  4. In DevOps, manual code deployment will reduce human errors in productions.
  5. Coding and operation teams will have their own separate timelines and reduce the delays.

Aws DevOps architecture overview:

Aws DevOps architecture explains the key features, fundamental components, and basic functionalities of each component. The following figure explains this scenario:

IMAGE

Let me explain the components in brief:

1. Automation process:

The automation process helps to reduce the development time, during the time of testing and software deployment stage. Automation also helps to increase productivity and catch the bugs quickly. To get contiguous product delivery, each code will be defined through this automation test process, cloud-based automation service, and component builds.

2. Collaboration process:

As I said earlier DevOps means the development and operations team collaborated to form a DevOps application tool. This collaboration improves the cultural team model and the team becomes more productive. The collaboration strengthens ownership and accountability. So this makes the team share their responsibilities and work closely in full sync and you can also perform deployment in a faster way.

3. Integration process:

In any software environment set up, applications need to be integrated with other components. The integration process helps to combine the existing code with the new functionality. Both continuous integration and testing produce continuous development. The frequency in the microservices leads to perform significant operations, to overcome this hustle, both the continuous integration and delivery help to deliver the product in a quicker, reliable, and safer way.

4. Configuration management process:

This process ensures the application to interact with the resources that are concerned with the software development environment. The configuration files will not be created where the external application configuration separates from the source code. This type of configuration file can be written during the time of deployment or they can be loaded to the application at the run time, this depends on the software environment in which you are working on.

Aws DevOps Lifecycle:

DevOps lifecycle defines the agile methodology relationship between development and operations. This is a kind of process that is practiced by software developers and operational engineers together starting from the beginning stage to the last stage of the software development life cycle.

The following diagram explains the DevOps lifecycle process:

IMAGE

This Aws DevOps lifecycle includes the 7 phases:

1. Continuous development:

This phase of the life cycle involves the planning and software coding stage. Here the vision of the project will be decided during the time of the planning phase. The developers begin to develop the codes at this stage. One important point to be noted, no DevOps tools required for the planning process, but several tools are there to maintain the software codes.

2. Continuous integration:

This stage is considered the heart of the DevOps lifecycle. Continuous integration is nothing but a software development practice in which developers are needed to commit any changes related to source code. This is done on a weekly or daily basis. Continuous integration also helps to detect any problems or bugs in the early stage of the source code development. In this Continuous integration stage, you need to perform many testing techniques such as unit testing, code review, packaging, and integration testing.

3. Continuous testing:

In this phase, software testing experts are needed to perform continuous testing for detection, and bugs. There are lots of tools available such as TestNG, Selenium, and Junit, etc. These tools allow Quality assurance professionals to test multiple code-bases to ensure that there is no flow in the functionality. Here the Docker containers can also be used for stimulating the test environment.

4. Continuous monitoring:

Monitoring is an important phase that involves all the major operational factors that can be carried in the entire DevOps lifecycle process. In this stage, important software development information will be recorded and processed carefully. The monitoring process will be integrated into the operational capabilities of software development applications.

5. Continuous feedback:

The application development process is consistently improved by analyzing the results from the software operations. This continuous feedback process is carried out by critical phase information and constant feedback related to operations and the development of the next version of the software application.

6. Continuous deployment:

In this phase of the DevOps lifecycle, the entire software code is deployed to the production server. Also, this is an essential stage to ensure the code is correctly used on all the server layers. Here the new codes are continuously deployed and also configuration management tools play a vital role while executing the tasks quickly and frequently. Here are some popular tools that are used : Chef, Ansible, SaltStack, and Puppet.

7. Continuous operations:

All DevOps operations are done on the basis of the continuity with a fully automated release process and allow any organization to accelerate the overall time to market continuity. It is also clear that continuity is a critical factor in the Developments and operations. This process takes a long time to detect any issues and produce a better version of the final product. With the help of Aws DevOps. We can create any software product more efficiently and improve customer satisfaction.

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DevOps workflow and principles:

DevOps workflow offers a visual overview of the sequence with the help of input given. This workflow also helps a developer to know which action is performed and the valid output will be produced for an operation process.

The below diagram explains this workflow functionality:

IMAGE

DevOps workflow provides an ability to separate and arrange the appropriate jobs which are requested by the users. Also, it acts as a mirror of their process in the configuration process. 

DevOps principles:

The main principles of Aws DevOps are developed to offer continuous delivery, fast reaction, and automation processes.

Let me explain them one by one:

1. End to end software development responsibility:

DevOps team needs more performance support until the end of the product release. This increases the responsibility and the quality of the software products.

2. Continuous improvement process:

DevOps development culture mainly focuses on continuous software improvement to minimize waste. This stage continuously speeds up product growth and improves the service offered.

3. Automate everything: Automation is a vital principle of the DevOps process and this is for the software development and infrastructure landscape.

4. Custom centric actions:

DevOps team always focuses on producing the customer-centric and enables users to invest in products and services.

5. Monitor and test the products everything:

The DevOps team needs to provide robust monitoring and testing of the procedures.

6. DevOps teams work as one team:

In the DevOps work culture, roles like designers, developers, and testers are already defined. To produce an efficient outcome, all they need to work as one team.

All these DevOps workflow principles can be achieved through several Development and operation practices. I would like to mention a few practices:

  1. Self-service configuration
  2. Continuous building the product
  3. Continuous software integration
  4. Continuous product delivery
  5. Offering Incremental testing
  6. Automation of provisioning
  7. Automated release management

DevOps tools and features:

DevOps application comes with advanced tools and also its features are helping us to work on developing an effective software product.

The following diagram explains the important tools:

IMAGE

1. Puppet:

Puppet is one of the popular tools and widely used in the market. This tool allows the delivery and release date of the technology that changes frequently and quickly. The puppet tool consists of features like versioning, automated testing, and continuous product delivery.

Features of Puppet:

  1. Offers real-time context reporting.
  2. Modeling and managing the entire environment.
  3. Defined and continuity infrastructure.
  4. Supports desired state detections and bug-free errors.
  5. This tool inspects and reports on libraries that are running through the infrastructure.
  6. This eliminates any manual work during the time of the software delivery process.
  7. This tool helps the software developer to deliver great software products quickly.
2. Ansible:

Ansible is one of the leading DevOps software tools. This is an open-source IT engine that helps in the automation of application deployment, intra service software orchestration, and cloud provisioning. The main purpose of using this tool is to perform scale automation and speed up productivity. The Ansible tool is very easy to deploy the software products without using any agents or custom security activity on the client-side and also pushing the data modules to the clients.

Features:

  1. This is very easy to deploy open source applications.
  2. This tool also helps in avoiding the complexity in the software development process.
  3. Ansible eliminates the repetitive kind of tasks.
  4. It also manages complex software deployments and speeds up the software development process.
3. Docker:

Docker tool is a high-end DevOps application used in building, run-distributed, and shipment of any services on multiple systems. This also helps in the assembly of the apps quickly from the different components and is best suited for container management.

Features:

  1. This tool helps to configure the software systems in a more comfortable and faster way.
  2. Docker tools also increase productivity.
  3. It also provides the containers that will be used to run the application in an isolated environment.
  4. Docker tool also routes the incoming request to publish the ports on available nodes to the container. This feature also enables the connections even if there is no task running on the container node.
  5. It allows a developer to save the secrets into the swarms.
4. Nagios:

Nagios is one of the more useful tools available in DevOps. This tool also determines the errors and rectifies them by using networking, server, log monitoring, and server system.

Features:

  1. It offers complete desktop monitoring and server operating systems.
  2. The network analyzer helps to search for the bottlenecks and optimizes any bandwidth utilization.
  3. Nagios also helps to monitor various components such as applications, operating systems, network protocol, and applications.
  4. This tool also helps to monitor the Java Management Extensions.
5. CHEF:

A chef tool is useful for achieving speed, consistency, and scalability. This is a cloud-based system and open-source software technology. Chef uses the Ruby encoding to develop the essential blocks like recipes and cookbooks. The Chef tool is mainly used in the automation of infrastructure, reduces manual activity and repetitive tasks for software infrastructure management.

Features:

  1. Chef tool maintains high availability.
  2. It also manages multiple cloud environments.
  3. This also uses the ruby programming language to create a domain specification
  4. The chef tool does not make any assumptions related to the current node status. This also uses various mechanisms to know the current status of the machine.
6. Jenkins:

Jenkins tool is developed for monitoring the repeated task execution. Jenkins is a type of software that allows users to perform continuous integration. Jenkins tools can be installed on a server-side central build.

Features:

  1. Jenkins helps to increase scalable automation.
  2. This can easily configure and set up the system through a web interface.
  3. This tool can distribute multiple tasks across different machines and increases concurrency.
  4. Jenkins tool also offers continuous integration and continuous delivery.
  5. It consists of more than 400 plugins used to build and test any project virtually.
  6. It just required a little maintenance and consisted of various GUI tools.
7. Git:

Git is an open-source software distributed version system that is freely available for all users. This tool is designed to handle major as well as minor projects with better efficiency and speed. This is developed to coordinate different tasks among programmers.

Features:

  1. This is a free open source tool.
  2. It allows multiple distributed developments.
  3. This tool supports the pull request type.
  4. It also supports the faster release cycle.
  5. GIT is a very scalable tool.
  6. This is a very secure tool to use.
8. SALT STACK:

SALTSTACK is a lightweight DevOps tool. This tool also shows various tasks like real-time error queries, logs, and workstation activities. SALT STACK is also a software-defined data center.

Features:

  1. It eliminates the messy configuration and data changes.
  2. This also traces the detail of all web request types.
  3. This tool also allows us to fix any type of bugs and find errors before production.
  4. SALT STACK also offers secured access and configures the cache images.
  5. It also secures multi-tenancy with role-based access control management.
  6. Flexible image management tool with a private registry to manage and store various images.

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9. Splunk:

Splunk is a tool used to make any machine data usable, valuable, and accessible to everyone. This also delivers operational intelligence and secured system development.

Features:

  1. This tool has a next-generation analytical and monitoring solution.
  2. It delivers a unified, single view for different IT services.
  3. Also extends the Splunk platform with purpose-built solutions.
  4. Offers data-driven analytical features with actionable insights.
10. Selenium:

Selenium is one of the popular software testing frameworks used for web applications. This also provides an easy interface to develop automated tests.

Features:

  1. This is a free open source tool.
  2. It also offers a multiplatform for various testing platforms such as Android and IOS.
  3. This is very easy to build a keyword-driven web framework mainly for Web drivers.
  4. This tool creates a robust based regression automation process and test scripts.

DevOps Automation overview:

When it comes to production, testing plays an important role in any software development cycle. In this testing phase, we mainly focus on automation testing. Why do we need automation testing? Because automation testing is a crucial need for any DevOps operations and also automates every fundamental DevOps practice. The automation process starts from code generation to the final product delivery process. The main reason to use the Automation process is to boost up the speed, maintain consistency, accuracy, reliability, and also increase the number of service deliveries. Automation works everything from building applications, deploying, and monitoring the developments.

Important DevOps Automation tools:

Automation in the DevOps application helps to maintain massive IT development infrastructure, and this can be classified into six major categories. They are;

  1. Infrastructure automation
  2. Configuration management tool
  3. Deployment automation tool
  4. Performance management tool
  5. Log management tool
  6. Monitoring tool

Below are the important details about each automation tool:

1. Infrastructure Automation:

In this category, one important tool comes under such as Amazon web service (AWS). This is one of the popular cloud-based services and with the help of this; you no need to be physically present in any data center. Infrastructure management is easy to scale, and no upfront hardware costs. This automation tool is configured to offer the only server-based services automatically.

2. Configuration management tool:

In this category, we are going to use Chef Tool to achieve the speed, scalability, and consistency of the final product. This is also used to ease any complex task and configure the management system. With the help of this Chef tool, DevOps teams can avoid any sudden changes across multiple servers.

3. Deployment automation tool:

In this category, we are going to make use of one of the automation tools that is Jenkins. This tool is used to perform continuous integration and testing tasks. It helps to integrate any project more efficiently by finding bugs or issues when you deploy the project.

4. Performance management tool:

Here we use the App dynamic tool, which offers real-time performance monitoring support. The data collected with the help of App dynamic will provide developers to debug any issue immediately.

5. Log management tool:

Splunk = this development and operation tool helps to solve the issues like storing the data, aggregation, and analyzing the logs.

6. Monitoring tool:

Nagios= this tool helps to notify people when your IT infrastructure and related servers go down. Nagios is an important tool that helps DevOps tools finds any problems and also correct them.

DevOps VS Agile:

Now it’s time to know the major differences between DevOps and Agile methodologies:

First, we will discuss DevOps:

DevOps:

  1. DevOps is an application tool used in the development and operation process.
  2. DevOps is used to manage any end-to-end engineering process.
  3. DevOps mainly focuses on constant testing the software applications and end product delivery.
  4. This DevOps usually consists of a large team size and also holds stockholders.
  5. The main focus of DevOps is on collaboration and does not consist of accepted web frameworks.

Agile:

  1. Agile is a continuous iterative approach and mainly focuses on collaborating teams, feedback from customers, and rapid release.
  2. The Agile methodology focuses on Constant changes in the development life cycle.
  3. The main purpose of using an agile methodology is to manage any complex project.
  4. Any Agile team consists of fewer members when compared to DevOps. As smaller is the team, they can work faster and move to other processes.
  5. Agile can be implemented within tactical frameworks, the frameworks included are Safe (Scaled agile frameworks), Scrum, and Sprints framework.

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Conclusion:

Aws DevOps is just a part of the development and operation process. from this Aws DevOps, you can master the concepts like automation tools, infrastructure, frameworks, and workflow. Do you really think learning only the Aws DevOps tool will make you a good AWS expert? The answer would be no. Because this tutorial will only help in understanding and implementing the DevOps application and if you want to be an AWS cloud expert, please go through our AWS Tutorial blog designed under the guidance of the SME’s team.

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Saritha Reddy
Saritha Reddy
Research Analyst
A technical lead content writer in HKR Trainings with an expertise in delivering content on the market demanding technologies like Networking, Storage & Virtualization,Cyber Security & SIEM Tools, Server Administration, Operating System & Administration, IAM Tools, Cloud Computing, etc. She does a great job in creating wonderful content for the users and always keeps updated with the latest trends in the market. To know more information connect her on Linkedin, Twitter, and Facebook.