CDK Python MVP

cdk-python-mvp.sh

#!/bin/bash
# --------------------------------
# from standard Cloud9 environment
# --------------------------------
which aws cdk
npm install --force -g aws-cdk # upgrade
python -m pip install aws-cdk-lib
cdk doctor                     # status check

mkdir ~/environment/cdk-app && cd $_
cdk init sample-app --language python # apply sample app
cdk bootstrap                  # apply baseline CDK stack

cdk synth                      # emits the synthesized CloudFormation template
cdk deploy --require-approval never # deploy this stack (CdkAppStack) to your default AWS account/region
cdk ls
# ----------------------
#                                edit cd_app_stack.py, add ',display_name="test"' parameter to the topic and save the file
cdk diff                       # compare deployed stack with current state
cdk deploy                     # create and apply a CloudFormation ChangeSet
# ----------------------
cdk destroy cdk-app        # delete your stack

# done with CDK?
pip install botocore boto3     # required to run python script for emptying versioned buckets
aws cloudformation delete-stack --stack-name CDKToolkit
export BUCKET=$(aws s3 ls | awk '{print $3}' | grep "^cdk-")
# python script for emptying versioned buckets
python - << EOF
import os, boto3
boto3.resource('s3').Bucket(os.getenv('BUCKET')).object_versions.delete()
EOF
# dispose of empty bucket
aws s3 rb s3://${BUCKET}

# NOTE: "cdk bootstrap" creates a versioned bucket which can be a be a little "sticky" during deletion/recreation.