CI/CD with AWS Code Services

Copyright © 2016 Talentica Software (I) Pvt Ltd. All rightsCopyright © 2016 Talentica Software (I) Pvt Ltd. All rights
Continuous Integration And Deployment
(CI/CD)
with AWS Code Services
Presented By
Pulkit Gupta

Agenda
• What is CI/CD ? Why to use ?
• What is CI/CD Pipeline ?
• How to automate software build and release process using AWS
code services
• What is AWS CodeCommit & its setup for source control
• How to Build and test code with AWS CodeBuild
• How to Automate CI/CD process with AWS CodePipeline
• Demo, Discussion, Q&A session

It is a process where developers frequently merge their
code changes into a central repository, after which
automated build and tests are run.
Developer Code CI server
Automated
Builds
Automated Tests
Continuous Integration

Developer Code on
Central Repo
CI server
Automated
Tests
Automated
Builds
Release Destination
After CI process , a release is produced which is ready to be deployed on a
destination such as beta or a testing server. Which is called Continuous Delivery.
So the Continuous delivery is regularly releasing your software to a destination.
If continuous delivery process releases a software in production then it is called
Continuous Deployment , because the changes made by developers has now
deployed to customer and are in production.
Continuous Delivery and Deployment

What is CI/CD Pipeline
• Sequence of steps a code change goes through.
• Depending on the steps a pipeline can either be CI or CD
Developer Code on
Central Repo
CI server
Automated
Tests
Automated
Builds
Release Destination
CI Pipeline
CD Pipeline

Why Use CI/CD ?
• Faster Release Cycles
• Lower Costs
• Rapid Troubleshooting
• Reliability
• Higher Quality Products
• Better Business Advantage

Code Commit
• What is CodeCommit
• Benefits
• How to create & connect new repo in CodeCommit
• CodeCommit access management

What is code Commit
• AWS CodeCommit is a version control service, that you can use to
privately store and manage assets in the cloud and integrate with AWS
services.
• AWS CodeCommit eliminates the need for you to manage your own
version control system or worry about scaling its infrastructure
• All you need to do is to create a CodeCommit repo and assign
permissions, and your users can begin committing their code.
• You can use AWS CodeCommit to store anything from code to binaries.
• It supports the standard functionality of Git, so it works seamlessly with
your existing Git-based tools.

Benefits
• Managed Service: CodeCommit is fully managed, distributed, and fault-
tolerant.
• High Availability: Data is replicated across availability zones.
• Store Anything: Not just source code, but documents and binary files,
too. There is no limit to the size of a repo.
• AWS Security: CodeCommit is integrated with AWS IAM. Data is
encrypted at rest.
• Git Compatible: Users can migrate their existing Git repositories.

Code commit access management
• HTTPS git credentials or SSH
• Create users on IAM
• Attach Policies
• Customized Policy for repository
• Generate Git credentials
• Use credentials for HTTPS connections.

Customized Policy for repository
{
"Version": "2012-10-17",
"Statement": [
{
"Effect": "Allow",
"Action": [
"codecommit:GitPull"
],
"Resource": "arn:aws:codecommit:<REGION>:<ACCOUNTNUMBER>:<REPO-NAME>"
},
{
"Effect": "Allow",
"Action": [
"codecommit:Get*",
"codecommit:BatchGetRepositories",
"codecommit:List*"
],
"Resource": "*"
}
]
}

CodeCommit Commands
• Create repo:
aws codecommit create-repository --repository-name myapp --repository- description "description“
• Clone repo:
git clone https://git-codecommit.us-east-1.amazonaws.com/v1/myapop
• Create branch
aws codecommit create-branch --repository-name myapp --branch-name newfeature --commit-id
• List all branches
aws codecommit list-branches --repository-name myapp
• Rename repo:
aws codecommit update-repository-name --old-name myapp --new-name MyNewApp
• Getting repository Details
aws codecommit batch-get-repositories --repository-names myapp
• Delete repo
aws codecommit delete-repository --repository-name MyNewApp

CodeCommit Pricing

Demo
• Create a Repo on code Commit
• Create IAM users and connect to repo
• Code commit access management
• CodeCommit CLI commands

AWS CodeBuild
• Why Builds ?
• What is CodeBuild ?
• How CodeBuild Works ?
• Planning a build
• Specification file format
• CodeBuild Environment

Why Builds?
• Every software delivery pipeline has to take source code from a
developer’s laptop and safely ship it to production systems in the
cloud.
• This is best accomplished by “building an artifact” — a snapshot of
the code and everything it needs to run like its dependencies and
compiled binaries.
• Artifacts could be a .zip file, .deb package, AMI or a Docker
image.

Why a Build Service?
If we use build software like Jenkins or Bamboo, someone on our team is
responsible for:
• Setting up a Jenkins cluster
• Maintaining the cluster security
• Upgrading the Jenkins software over time
• Monitoring and recovering from Jenkins downtime
• Capacity planning so the cluster can handle all our build volume
• With a managed build service like Heroku, Docker Hub, and now
CodeBuild, operations are eliminated and costs are greatly reduced to on-
demand usage.

AWS CodeBuild
• AWS CodeBuild is a fully managed build service that compiles
source code, runs tests, and produces software packages that are
ready to deploy.
• With CodeBuild, you don’t need to provision, manage, and scale
your own build servers.
• For each build, it launches a fresh, Isolated container-based
environment and terminates it after the build process ends.

• AWS CodeBuild uses Docker containers to build your code
depending on your environment.
• You can use build environments provided by AWS or existing
Docker images from Docker hub or Elastic Container Registry.
• Currently AWS provides build environments for Java, Android,
Ruby, Go, Node.js, Python, and Docker (to build Docker images).

• CodeBuild fetches code from the Source repository. It could be S3 Bucket,
GitHub Repository, or AWS CodeCommit Repository
• Runs the commands in the build spec. You can have a buildspec.yml file in
the source code root directory or you can explicitly write your build
commands.
• The buildspec contains four phases. Install, pre-build, build and post-build.
-> Install – Install packages in the build environment if any.
-> Pre-build – Commands that should run before build if any.
-> Build – Commands to build the artifact.
-> Post-build – Commands to run after the build if any.

How CodeBuild Works

Terminologies of CodeBuild
• Source Repository – Location of your source code.
• Build Environment – Your runtime environment.
• IAM Role – Grants CodeBuild permission to access to specific AWS
services and resources.
• Build Spec – Build commands.
• Compute Type – Amount of memory and compute power required.

Planning a Build
• Where is the source code?
• Build commands and their order
• Runtimes , APIs & tools
• Can you use OOTB build environment or you need to plan
for the custom environment ?

Steps to build code
• Create codecommit repo
• Add project to codecommit
• Update buildspec.yml
• Build project

Build Specifications
• buildspec.yml defines build commands
• Can be in the application or in codebuild
• Main sections: Version , variables, Phases, Artifacts
• Phases include : pre_build, build , post_build

Build Specifications
• Version is required
• Environment variable are optional
• phases are required
• artifact is optional to define output

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version: 0.1
environment_variables:
plaintext:
JAVA_HOME: "/opt/java-8-openjdk-amd64"
phases:
install:
commands:
- apt-get update -y
- apt-get install -y maven
pre_build:
commands:
- echo This is pre_build
build:
commands
- echo Starting build `date`
- mvn clean package
post_build:
commands:
- echo Build completed on `date`
artifacts:
files:
- target/messageUtil-1.0.jar
discard-paths: yes
Sample buildspec.yml file

Build Environments
• Preconfigured docker images
• Go,Java, NodeJS, Python,Ruby, Andriod
• Can be extended using buildspec
• Base docker image is available for extension with AWS CLI and git
• you can choose compute power

CodeBuild Pricing
• It uses simple pay-as-you-go pricing. There are no upfront costs or
minimum fees.
• You pay only for the resources you use.

AWS CodeDeploy
It is an AWS service that enables developers to automate the
deployment of applications.
• Automates build deployment
• Can deploy on EC2 & on premises instances
• Scales with environment size
• Stop and rollback features
• Integrate with AWS services

AWS CodePipeline
• AWS codePipeline is a continuous delivery services from AWS
• AWS codePipeline builds, test and deploys our source code
consistently and automatically, based on release process models
we define.
• AWS codePipeline helps us to easily build out an end-to-end
solution by using pre-built plugin for popular third party services
like Github etc

Benefits
AWS CodePipeline has several benefits that align with the DevOps principle of
continuous deployment:
• Rapid delivery
• Improved quality
• Configurable workflow
• Easy to integrate
• Fully Managed
• Scalable

How Pipeline works
• AWS CodePipeline manages the release
process via pipelines or workflows.
• Workflows are broken up into stages.
• Each stage is broken up into one or more
actions.
• Transition is the act of continuing from
one stage to another stage in workflow.

Pipeline Structure
• Pipeline is a set of stages
• Each Stage includes set of actions
• Actions categories are source, build ,
deploy , test , Approve etc
• Stages have inputs and output
• Actions could be sequential or parallel

CodePipeline Pricing
• There are no upfront fees or commitments. You pay only for what you use.
• $1 per active pipeline per month. Pipelines are free for the first 30 days
after creation.
• An active pipeline is a pipeline that has existed for more than 30 days and
has at least one code change that runs through it during the month.

Demo
• How to create CI/CD Pipeline using
CodeCommit
CodeBuild
CodeDeploy &
CodePipeline.

Thank You

Presented By
Pulkit Gupta

CI/CD with AWS Code Services

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