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README.md
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README.md

Restoring a File from an EBS Snapshot

Preparation

This recipe requires some “prep work” which deploys resources that you’ll build the solution on. You will use the AWS CDK to deploy these resources

In the root of this chapter’s repo cd to the “308-Restoring-a-File-from-an-EBS-Snapshot/cdk-AWS-Cookbook-308” directory and follow the subsequent steps:

cd 308-Restoring-a-File-from-an-EBS-Snapshot/cdk-AWS-Cookbook-308/
test -d .venv || python3 -m venv .venv
source .venv/bin/activate
pip install --upgrade pip
pip install -r requirements.txt
cdk deploy

Wait for the cdk deploy command to complete.

We created a helper.py script to let you easily create and export environment variables to make subsequent commands easier. Run the script, and copy the output to your terminal to export variables:

python helper.py

Clean up

Delete the snapshot:

aws ec2 delete-snapshot --snapshot-id $SNAPSHOT_ID

Unattach the EBS volume that you created:

aws ec2 detach-volume --volume-id $SNAP_VOLUME_ID

Delete the EBS volume that you created:

aws ec2 delete-volume --volume-id $SNAP_VOLUME_ID

Unset the environment variables that you created manually:

unset SNAP_VOLUME_ID
unset ORIG_VOLUME_ID
unset SNAPSHOT_ID

Use the AWS CDK to destroy the resources, deactivate your Python virtual environment, and go to the root of the chapter:

cdk destroy && deactivate && rm -r .venv/ && cd ../..