AWS DevDay AWS SAM을 이용한 백오피스 마이그레이션

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AWS SAM으로 기존 백오피스를 Serverless 기반으로 Migration 한 경험을 공유합니다.

Technology

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AWS SAM
IaC AWS Infra
/ HBSmith

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• Why Serverless?
• How to migration to Serverless
• AWS SAM
• IaC
• Wrap up
• Q&A

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• HBSmith
• , , .

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Why Serverless?

© 2018, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
Why Serverless
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© 2018, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
Why Serverless
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App1
App2
App3
App4

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Why Serverless
EC2 ?
•
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App1 App2
App3 App4

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Why Serverless
Serverless
• .
•
•
• Scale out
• Availability AWS
Lambda

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How to migration to Serverless
Serverless ?

© 2018, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
How to migration to Serverless
AWS Serverless Express
• Node Express App Lambda
• .
• AWS Lambda Amazon Linux
• API Gateway Express App
• AWS Lambda Node version
AWS
Lambda
Amazon API
Gateway
ASE
Express

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How to migration to Serverless
Application Lambda
App1
App2
App3
App4
AWS
Lambda
Amazon API
Gateway
Amazon 
Route 53

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How to migration to Serverless
.
.

© 2018, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
How to migration to Serverless
1. FrontEnd js, css Lambda .
• SPA Static Web Hosting
• S3 Lambda
Amazon 
Route 53
Amazon
CloudFront
Amazon 
S3
AWS
Lambda
Amazon API
Gateway
Amazon 
Route 53
Amazon 
S3
Amazon
CloudFront

© 2018, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
How to migration to Serverless
2. Lambda RDB .
• Lambda Reserved Concurrency .
• API DB .
• RDB API .
3. .
• Lambda /tmp readonly .
• Lambda S3 .
4. API Gateway payload
• Signed url S3 .

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How to migration to Serverless
•
•
•
• .
• .
•
• 502
• Request limit increase
app
AWS
Lambda
Amazon API
Gateway

© 2018, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
How to migration to Serverless
• !
• 15
• (Cold Start)
• API Gateway
• https://docs.aws.amazon.com/ko_kr/apigateway/latest/
developerguide/limits.html
• Lambda
• https://docs.aws.amazon.com/lambda/latest/dg/limits.html
• .
• , , .
• Cost = AWS Billing - No Ops Benefits
app
AWS
Lambda
Amazon API
Gateway

© 2018, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
AWS SAM

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AWS SAM
Serverless frameworks
AWS SAM
(Serverless Application Model)

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AWS SAM
Why SAM
•
• AWS
•
•
• AWS CloudFormation
•
• Serverless
•

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SAM .
AWS SAM

© 2018, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
AWS SAM
CloudFormation .
AWS::ApiGateway::RestApi
AWS::ApiGateway::Account
AWS::ApiGateway::Resource
AWS::ApiGateway::Stage
AWS::ApiGateway::Method
AWS::ApiGateway::Authorizer
AWS::ApiGateway::Deployment
AWS::Serverless::Ap
i
CloudFormation

© 2018, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
AWS SAM
CLI
•
$ sam init —runtime python
• Local test event payload
$ sam generate-event s3 —bucket my-bucket —key test-obj.json
• AWS Lambda
$ sam local invoke test.py -e payload.json
• AWS Api Gateway & Lambda Api
$ sam local start-api
• package, deploy, logs, validate

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AWS SAM
CloudFormation
• template transform .
• transform: AWS::Serverless-2016-10-31
AWSTemplateFormatVersion: 2010-09-09
Transform: AWS::Serverless-2016-10-31
Resources:
….

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AWS SAM
.
• aws-labs
• repo: https://github.com/awslabs/serverless-application-model
• CloudFormation SAM .
• slack
• https://awssamopensource.splashthat.com

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IaC
Infrastructure as Code ?
, ,

© 2018, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
IaC
IaC tool
• CloudFormation
• AWS
• AWS template
• CLI
• Terraform
• Ansible
• Chef
• Puppet
AWS 
CloudFormation

© 2018, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
IaC
3R
• Repeatable: .
• Reproducible: .
• Reliable: .
Server
OS
Middleware
Application
Server
OS
Middleware
Application
Server
OS
Middleware
Application
AWS AWS&IaC
Network Network Network

© 2018, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
IaC
CloudFormation VPC .
Amazon
VPC
VPC NAT
gateway
Internet
gateway
router Elastic IP
address

© 2018, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
IaC
SAM .
AWS
Lambda
Amazon API
Gateway
Amazon 
DynamoDB
Amazon 
S3

© 2018, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
IaC
.
AWS
Lambda
Amazon API
Gateway
Amazon 
DynamoDB
Amazon 
S3
Amazon 
SNS
Amazon
CloudWatch

© 2018, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
IaC
SAM CI/CD .
Amazon
VPC
AWS  
CodeDeploy
AWS  
CodeBuild
AWS  
CodePipeline
Amazon 
S3

© 2018, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
IaC
.
Amazon 
Athena
Amazon
VPC
AWS  
CodeDeploy
AWS  
CodeBuild
AWS  
CodePipeline
Amazon 
S3
event AWS
Lambda

© 2018, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
IaC
.
Amazon
VPC
AWS  
CodeDeploy
AWS  
CodeBuild
AWS  
CodePipeline
Amazon 
S3 AWS
Lambda
Amazon API
Gateway
Amazon 
DynamoDB
Amazon 
S3
Amazon 
SNS
Amazon
CloudWatch
Amazon 
Athena event
AWS
Lambda

© 2018, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
Wrap up
AWS Lambda .
AWS SAM Serverless resource .
AWS S3 .
Serverless RDB .
Infrastructure as Code .

© 2018, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
DevOps Team
AWS Tech Partner
.
• &
• .
• 11 !
AWS .
https://hbsmith.io
HBSmith

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Q&A
• , .
• #AWSDevDay !

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11. © 2018, Amazon Web Services, Inc. or its Affiliates. All rights reserved. How to migration to Serverless AWS Serverless Express • Node Express App Lambda • . • AWS Lambda Amazon Linux • API Gateway Express App • AWS Lambda Node version AWS Lambda Amazon API Gateway ASE Express

14. © 2018, Amazon Web Services, Inc. or its Affiliates. All rights reserved. How to migration to Serverless 1. FrontEnd js, css Lambda . • SPA Static Web Hosting • S3 Lambda Amazon  Route 53 Amazon CloudFront Amazon  S3 AWS Lambda Amazon API Gateway Amazon  Route 53 Amazon  S3 Amazon CloudFront

15. © 2018, Amazon Web Services, Inc. or its Affiliates. All rights reserved. How to migration to Serverless 2. Lambda RDB . • Lambda Reserved Concurrency . • API DB . • RDB API . 3. . • Lambda /tmp readonly . • Lambda S3 . 4. API Gateway payload • Signed url S3 .

17. © 2018, Amazon Web Services, Inc. or its Affiliates. All rights reserved. How to migration to Serverless • ! • 15 • (Cold Start) • API Gateway • https://docs.aws.amazon.com/ko_kr/apigateway/latest/ developerguide/limits.html • Lambda • https://docs.aws.amazon.com/lambda/latest/dg/limits.html • . • , , . • Cost = AWS Billing - No Ops Benefits app AWS Lambda Amazon API Gateway

22. © 2018, Amazon Web Services, Inc. or its Affiliates. All rights reserved. AWS SAM CloudFormation . AWS::ApiGateway::RestApi AWS::ApiGateway::Account AWS::ApiGateway::Resource AWS::ApiGateway::Stage AWS::ApiGateway::Method AWS::ApiGateway::Authorizer AWS::ApiGateway::Deployment AWS::Serverless::Ap i CloudFormation

23. © 2018, Amazon Web Services, Inc. or its Affiliates. All rights reserved. AWS SAM CLI • $ sam init —runtime python • Local test event payload $ sam generate-event s3 —bucket my-bucket —key test-obj.json • AWS Lambda $ sam local invoke test.py -e payload.json • AWS Api Gateway & Lambda Api $ sam local start-api • package, deploy, logs, validate

24. © 2018, Amazon Web Services, Inc. or its Affiliates. All rights reserved. AWS SAM CloudFormation • template transform . • transform: AWS::Serverless-2016-10-31 AWSTemplateFormatVersion: 2010-09-09 Transform: AWS::Serverless-2016-10-31 Resources: ….

25. © 2018, Amazon Web Services, Inc. or its Affiliates. All rights reserved. AWS SAM . • aws-labs • repo: https://github.com/awslabs/serverless-application-model • CloudFormation SAM . • slack • https://awssamopensource.splashthat.com

28. © 2018, Amazon Web Services, Inc. or its Affiliates. All rights reserved. IaC 3R • Repeatable: . • Reproducible: . • Reliable: . Server OS Middleware Application Server OS Middleware Application Server OS Middleware Application AWS AWS&IaC Network Network Network

34. © 2018, Amazon Web Services, Inc. or its Affiliates. All rights reserved. IaC . Amazon VPC AWS   CodeDeploy AWS   CodeBuild AWS   CodePipeline Amazon  S3 AWS Lambda Amazon API Gateway Amazon  DynamoDB Amazon  S3 Amazon  SNS Amazon CloudWatch Amazon  Athena event AWS Lambda

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