What is DevOps? | DevOps Introduction | DevOps Tools | DevOps Tutorial For Beginners | Simplilearn

What’s in it for you?
 How DevOps came to being….
 What is DevOps?
 Stages and tools of DevOps
 Implementation of DevOps
 DevOps practices
 Use case: DevOps approach by Etsy
 Benefits of DevOps approach

Here’s a simple analogy to help us understand how DevOps came to being…
How DevOps came to being…

Max is studying fashion designing. She has been assigned to put up a fashion show as her final year project

This is my teacher. He
has given me the
requirements for the
show

Stitched 200 dresses
Designed
Designer TeacherTailor
Approach 1 : Waterfall model

Stitched 200 dresses
Designed
It took 3 months to stitch the 200 dresses all of which went to waste

Stitched 200 dressesDesigned
The designer and tailor both must start all over. Unfortunately they do
not have enough time until the show

Stitched 200 dressesDesigned
This is the waterfall model

Requirement
Requirements are given by the teacher

Requirement
The designer takes over the design phase
Design

Requirement
The tailor implements the design
Design
Implementation

Requirement
The teacher verifies if the products meets the requirements
Design
Implementation
Verification

Requirement
Design
Implementation
Verification
Maintenance
Since the teacher rejected the products, we never arrived at the
maintenance stage

Stitched 1 dressDesigned
Approach 2 : Agile method

The tailor stitches the remaining 199 dresses. In 3 months, all
dresses are satisfactorily stitched

Unfortunately, the shirts are slightly ill fit for a few models

Well, the tailor who
stitched the shirts
isn’t here

Well, the tailor who
stitched the shirts
isn’t here
The is the agile approach

Requirements are given by the teacher
Requirement

The designer designs as per the requirements
Requirement Design

Developer develops a sample product
Requirement Design Develop

Requirement
The feedback on the sample is provided
Design Develop Test and feedback

Requirement
This cycle continues until the feedback is positive

Requirement
Unfortunately, the agile methodology has no provision for maintenance

Designer
Since the designer and the tailor work independent from each other,
they have limited knowledge of the final output
Tailor
Approach 3 : DevOps

Designer Tailor
If only they had
worked
together….
Approach 3 : DevOps

Designer Tailor
This is where DevOps comes into play
Approach 3 : DevOps

Designer Tailor
This time, the designer and tailor work hand in hand on the shirts. So,
they both are aware of each others work
Approach 3 : DevOps

The shirt is
slightly loose
Approach 3 : DevOps

Fear not! I worked side by side
with the tailor. Just a few
stitches and you’re good to go
The coordination between designer and the tailor resulted in a smooth
maintenance process
Approach 3 : DevOps

Fear not! I worked side by side
with the tailor. Just a few
stitches and you’re good to go
This is the DevOps approach
Approach 3 : DevOps

Development team is responsible for
creation of the product

Development team is responsible for
creation of the product
Operations team is responsible for the
deployable product

Since the development and operations team work together, there is a provision for maintenance
Plan Build Test
DeployMaintenance

What is DevOps
DevOps is a software engineering culture that unifies the development and operations team, under an
umbrella of tools to automate every stage
DevOps

Plan
Build
Operate
Monitor
Deploy
Code
Stages and tools of DevOps
Test
Integrate

These tools provide a repository for
managing and storing various versions of a
code
Plan
Build
Operate
Monitor
Deploy
Code
Test
Integrate

Build tools automatically fetch the
source code from the repositories
and package them into executable
applications
Plan
Build
Operate
Monitor
Deploy
Code
Test
Integrate

Testing in DevOps is automated
within the build pipeline to ensure
that the applications are deployable
Plan
Build
Operate
Monitor
Deploy
Code
Test
Integrate

As the applications are ready, they
are pushed to deployment stage and
continuously configured to the right
state
Plan
Build
Operate
Monitor
Deploy
Code
Test
Integrate

The released products are
continuously monitored
Plan
Build
Operate
Monitor
Deploy
Code
Test
Integrate

The heart of DevOps, continuously
automates the integration of all the
different stages
Jenkins
Plan
Build
Operate
Monitor
Deploy
Code
Test
Integrate

Plan & Code
Build
Test
Deploy
Monitor
Integrate
Fetch
code
Implementation of DevOps

Plan & Code
Build
Test
Deploy
Monitor
Integrate
Send code to be built
Fetch built code

Plan & Code
Build
Test
Deploy
Monitor
Integrate
Send code for testing
Fetch the tested product

Plan & Code
Build
Test
Deploy
Monitor
Integrate
Automatic deployment

Plan & Code
Build
Test
Deploy
Monitor
Integrate
Receive monitoring report

Plan & Code
Build
Test
Deploy
Monitor
Integrate
Prepare for next sprint incorporating
the feedback received

Use case: DevOps approach by Etsy

Etsy is an e-commerce website that markets uniquely
designed products

Their e–commerce website, being the face and the backbone of the
company required to be always up to date

But every update was manually done and was time consuming
4 hours

But every update was manually done and was time consuming
Moreover, during an update the site would be down. This drove their
customers to the competitors
4 hours

4 hours
Twice in a week

4 hours
Twice in a week
With the rising competition, Etsy realised soon enough
they needed to revolutionise

4 hours
Twice in a week
The Deployinator was a tool developed by Etsy, inspired
by the DevOps approach

4 hours
Twice in a week
This tool automated the entire deployment pipeline.
One button eliminated the slack and irregularity due to
manual labour
Deployment

4 hours
Twice in a week
Number of deployments now rose to 50 times a day!
Deployment

Reducing time of production, testing and delivery
Designing the simplest solutions to fit the requirements
Achieving highest quality through continuous integration and delivery
Automatic implementation of policy and configuration ensures security
Benefits of DevOps

How devops came to being… What is DevOps
Key Takeaways
Use case: devops approach by Etsy
Stages and tools in devops
Implementation of Devops Devops practices

What is DevOps? | DevOps Introduction | DevOps Tools | DevOps Tutorial For Beginners | Simplilearn

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