Revision as of 17:23, 4 December 2019

Quick Reference | AWS CLI | CloudFormation

Template Examples

S3 Bucket

Here is a CloudFormation Template (in yaml) that I used to create a S3 bucket with the following requirements:

• Public Read
• 7 day retention policy
• Bucket Policy allowing access to all resources.
• Export the S3 bucket name, Secure URL, and Website URL for usage in other templates.

AWSTemplateFormatVersion: 2010-09-09

Parameters:
  BranchName:
    Description: Branch Name
    Type: String

Resources:

  S3Bucket:
    Type: AWS::S3::Bucket
    Properties:
      AccessControl: PublicRead
      LifecycleConfiguration:
        Rules:
          - Status: Enabled
            ExpirationInDays: 7
      WebsiteConfiguration:
        IndexDocument: index.html
  
  S3BucketPolicy:
    Type: AWS::S3::BucketPolicy
    Properties:
      Bucket:
        Ref: S3Bucket
      PolicyDocument:
        Statement:
        - Sid: AddPerm
          Effect: 'Allow'
          Principal: '*'
          Action:
          - 's3:GetObject'
          Resource:
            Fn::Join:
            - ''
            - - 'arn:aws:s3:::'
              - Ref: 'S3Bucket'
              - '/**'

Outputs:
  S3BucketName:
    Value:
      Ref: S3Bucket
    Description: The S3 bucket name
    Export:
      Name:
        Fn::Sub: ${AWS::StackName}-S3BucketName

  S3BucketSecureURL:
    Value:
      Fn::Join: ['', ['http://', !GetAtt [S3Bucket, DomainName]]]
    Description: Name of S3 bucket to hold Tenant Management website content

  S3WebsiteURL:
    Description: Website URL of the S3 Bucket
    Value:  !Select [1, !Split ["//", !GetAtt S3Bucket.WebsiteURL]]
    Export: 
      Name: !Sub "${AWS::StackName}-S3WebsiteURL"