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Table of Contents Create an arbitrary bucket name Create the bucket Delete public access block Create a policy to allow public read access on the bucket Apply the policy to the bucket Create an example file Upload the example file to our bucket [Assert] Download the file using wget Delete all files in the bucket Delete the bucket Given is an application requiring public network storage. I’ve…

Table of Contents

Create an arbitrary bucket name
Create the bucket
Delete public access block
Create a policy to allow public read access on the bucket
Apply the policy to the bucket
Create an example file
Upload the example file to our bucket
[Assert] Download the file using wget
Delete all files in the bucket
Delete the bucket

Given is an application requiring public network storage.
I’ve deciced to give AWS S3 a try.
My choices are:

aws-cdk aka Infrastructure as code
boto3
aws cli bash script

Due to the non-repeating nature of that job, I’m going with the aws cli bash script

Create an arbitrary bucket name

bucket=$(python -m uuid)
echo $bucket

cd643901-34ab-48ec-9435-5ffd23c0580b

Create the bucket

aws s3 mb \
s3://$bucket \
--region us-east-1

make_bucket: cd643901-34ab-48ec-9435-5ffd23c0580b

Delete public access block

The necessity of this step requires further investigation

aws s3api delete-public-access-block --bucket \
$bucket

Create a policy to allow public read access on the bucket

/tmp/policy.json

{
  "Statement":[
    {
      "Sid": "AddPerm",
      "Effect": "Allow",
      "Principal": "*",
      "Action": "s3:GetObject",
      "Resource": "arn:aws:s3:::cd643901-34ab-48ec-9435-5ffd23c0580b"
    }
  ]
}

Apply the policy to the bucket

aws s3api put-bucket-policy --bucket \
$bucket \
--policy file:///tmp/policy.json

Create an example file

echo foobar >> /tmp/foo.txt

Upload the example file to our bucket

aws s3 cp /tmp/foo.txt \
s3://$bucket

[Assert] Download the file using wget

wget -O /tmp/downloaded_foo.txt \
"https://$bucket.s3.us-east-1.amazonaws.com/foo.txt"

Delete all files in the bucket

aws s3 rm \
s3://$bucket/*

Delete the bucket

aws s3api delete-bucket --bucket \
$bucket

Create a public S3 bucket using the aws cli