S3 + CloudFront で特定のパスへのアクセスをリダイレクトさせる

1.HOWTO.md

1. S3の'Static Website Hosting'を有効にする
2. 'Edit Redirection Rules'を編集する
3. 'bucket policy'を編集する
4. CLoudFrontのOriginにS3の'Static Website Hosting'のEndpointを指定する

Bucket Policy

{
	"Version": "2008-10-17",
	"Id": "PolicyForCloudFrontPrivateContent",
	"Statement": [
		{
			"Sid": "1",
			"Effect": "Allow",
			"Principal": "*",
			"Action": "s3:GetObject",
			"Resource": "arn:aws:s3:::bucket-name/*",
			"Condition": {
				"StringEquals": {
					"aws:UserAgent": "Amazon CloudFront"
				}
			}
		}
	]
}

Redirection Rules

<RoutingRules>
    <RoutingRule>
        <Condition>
            <KeyPrefixEquals>source_path/</KeyPrefixEquals>
        </Condition>
        <Redirect>
            <Protocol>https</Protocol>
            <HostName>redirect domain</HostName>
            <ReplaceKeyWith>redirect path</ReplaceKeyWith>
            <HttpRedirectCode>301</HttpRedirectCode>
        </Redirect>
    </RoutingRule>
</RoutingRules>