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kms-encryption-key-creation
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kms-encryption-key-creation
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#!/bin/bash
# Create a Key from AWS Console
ALIAS_NAME_KMS_KEY_ID='27c3b11a-eda4-444d-9b1d-721ed053e00d'
mkdir -p /root/secrets/mariadb
mkdir -p /root/secrets/wordpress
# Encryption
aws kms encrypt --region us-east-1 --key-id $ALIAS_NAME_KMS_KEY_ID --plaintext abc --output text --query CiphertextBlob | base64 --decode > /root/secrets/wordpress/wordpress-database-password.txt
aws kms encrypt --region us-east-1 --key-id $ALIAS_NAME_KMS_KEY_ID --plaintext bitnami_wordpress --output text --query CiphertextBlob | base64 --decode > /root/secrets/wordpress/wordpress-database-name.txt
aws kms encrypt --region us-east-1 --key-id $ALIAS_NAME_KMS_KEY_ID --plaintext asim.arain --output text --query CiphertextBlob | base64 --decode > /root/secrets/wordpress/wordpress-database-user.txt
aws kms encrypt --region us-east-1 --key-id $ALIAS_NAME_KMS_KEY_ID --plaintext mariadb --output text --query CiphertextBlob | base64 --decode > /root/secrets/wordpress/wordpress-database-host.txt
# Decryption
aws kms decrypt --region us-east-1 --ciphertext-blob fileb:///root/secrets/wordpress/wordpress-database-password.txt --output text --query Plaintext | base64 --decode
aws kms decrypt --region us-east-1 --ciphertext-blob fileb:///root/secrets/wordpress/wordpress-database-name.txt --output text --query Plaintext | base64 --decode
aws kms decrypt --region us-east-1 --ciphertext-blob fileb:///root/secrets/wordpress/wordpress-database-user.txt --output text --query Plaintext | base64 --decode
aws kms decrypt --region us-east-1 --ciphertext-blob fileb:///root/secrets/wordpress/wordpress-database-host.txt --output text --query Plaintext | base64 --decode
#END
WORDPRESS_DATABASE_PASSWORD=`aws kms decrypt --region us-east-1 --ciphertext-blob fileb:///root/secrets/wordpress/wordpress-database-password.txt --output text --query Plaintext | base64 --decode`
WORDPRESS_DATABASE_NAME=`aws kms decrypt --region us-east-1 --ciphertext-blob fileb:///root/secrets/wordpress/wordpress-database-name.txt --output text --query Plaintext | base64 --decode`
WORDPRESS_DATABASE_USER=`aws kms decrypt --region us-east-1 --ciphertext-blob fileb:///root/secrets/wordpress/wordpress-database-user.txt --output text --query Plaintext | base64 --decode`
WORDPRESS_DATABASE_HOST=`aws kms decrypt --region us-east-1 --ciphertext-blob fileb:///root/secrets/wordpress/wordpress-database-host.txt --output text --query Plaintext | base64 --decode`
echo "\n"
echo "Credentials Decrypted"
echo " This is Wordpress Database Password = $WORDPRESS_DATABASE_PASSWORD "
echo " This is Wordpress Database Name = $WORDPRESS_DATABASE_NAME "
echo " This is Wordpress Database User = $WORDPRESS_DATABASE_USER "
echo " This is Wordpress Database Host ---> POD = $WORDPRESS_DATABASE_HOST "
# END
########################################################################################################################################################################
# Note: Mention below data is just a sample data, no actual KMS keys involved.
# Steps to encrypt private key via kms
# KMS Key Creation from console
1. Create a Customer managed key
2. Grab the Key ID: 7702849e-2bc0-4697-ad62-303523cacd9a
3. Use this Key ID with region details in mentioned below examples.
# Example 1
# Encryption ### ### File ### ---> size 4Kb
# Private key Encrypion
aws kms encrypt --region us-east-1 --key-id 7702849e-2bc0-4697-ad62-303523cacd9a --plaintext fileb://id_rsa --output text --query CiphertextBlob | base64 --decode > id_rsa_encrypted
# Private Key Decryption
aws kms decrypt --region us-east-1 --ciphertext-blob fileb://id_rsa_encrypted --output text --query Plaintext | base64 --decode > id_rsa
# Example 2
### Encryption ### ### Plain Text ###
# Steps to encrypt secrets via kms
# 1. aws kms list-keys --region us-east-1
# Encryption
# 2.
aws kms encrypt --region us-east-1 --key-id 7702849e-2bc0-4697-ad62-303523cacd9a --plaintext "abc" --output text --query CiphertextBlob | base64 --decode > password.txt
aws kms encrypt --region us-east-1 --key-id 7702849e-2bc0-4697-ad62-303523cacd9a --plaintext "reptrak" --output text --query CiphertextBlob | base64 --decode > databasename.txt
# Decryption
# 3.
aws kms decrypt --region us-east-1 --ciphertext-blob fileb://password.txt --output text --query Plaintext | base64 --decode
aws kms decrypt --region us-east-1 --ciphertext-blob fileb://databasename.txt --output text --query Plaintext | base64 --decode
# How to use KMS Encryption in docker ?
# Demo application docker
#!/bin/bash
mkdir -p /root/secrets
# Encryption
aws kms encrypt --region us-east-1 --key-id baa7e043-02e1-4a87-8ece-4b13d957d3dd --plaintext 12345678 --output text --query CiphertextBlob | base64 --decode > /root/secrets/mariadb-root-password.txt
aws kms encrypt --region us-east-1 --key-id baa7e043-02e1-4a87-8ece-4b13d957d3dd --plaintext bitnami_wordpress --output text --query CiphertextBlob | base64 --decode > /root/secrets/mariadb-database.txt
aws kms encrypt --region us-east-1 --key-id baa7e043-02e1-4a87-8ece-4b13d957d3dd --plaintext asim.arain --output text --query CiphertextBlob | base64 --decode > /root/secrets/mariadb-user.txt
aws kms encrypt --region us-east-1 --key-id baa7e043-02e1-4a87-8ece-4b13d957d3dd --plaintext 12345678 --output text --query CiphertextBlob | base64 --decode > /root/secrets/mariadb-password.txt
# Decryption
aws kms decrypt --region us-east-1 --ciphertext-blob fileb:///root/secrets/mariadb-root-password.txt --output text --query Plaintext | base64 --decode
aws kms decrypt --region us-east-1 --ciphertext-blob fileb:///root/secrets/mariadb-database.txt --output text --query Plaintext | base64 --decode
aws kms decrypt --region us-east-1 --ciphertext-blob fileb:///root/secrets/mariadb-user.txt --output text --query Plaintext | base64 --decode
aws kms decrypt --region us-east-1 --ciphertext-blob fileb:///root/secrets/mariadb-password.txt --output text --query Plaintext | base64 --decode
#END
MARIADB_ROOT_PASSWORD=`aws kms decrypt --region us-east-1 --ciphertext-blob fileb:///root/secrets/mariadb-root-password.txt --output text --query Plaintext | base64 --decode`
MARIADB_DATABASE=`aws kms decrypt --region us-east-1 --ciphertext-blob fileb:///root/secrets/mariadb-database.txt --output text --query Plaintext | base64 --decode`
MARIADB_USER=`aws kms decrypt --region us-east-1 --ciphertext-blob fileb:///root/secrets/mariadb-user.txt --output text --query Plaintext | base64 --decode`
MARIADB_PASSWORD=`aws kms decrypt --region us-east-1 --ciphertext-blob fileb:///root/secrets/mariadb-password.txt --output text --query Plaintext | base64 --decode`
echo "\n"
echo "Credentials Decrypted"
echo " This is Mariadb root password = $MARIADB_ROOT_PASSWORD "
echo " This is Mariadb database name = $MARIADB_DATABASE "
echo " This is Mariadb User = $MARIADB_USER "
echo " This is Mariadb password = $MARIADB_PASSWORD "
# Demo Application Wordpress
# Create a network
docker network create bitnami-wordpress-tier
# Mariadb Setup
docker run --name mariadb --user=root -e MARIADB_DATABASE="$MARIADB_DATABASE" -e MARIADB_ROOT_PASSWORD="$MARIADB_ROOT_PASSWORD" -v /root/mariadb:/bitnami --network="bitnami-wordpress-tier" --restart unless-stopped -d bitnami/mariadb:latest
# Wordpress Setup
docker run --name bitnami-wordpress -u root --network="bitnami-wordpress-tier" -e WORDPRESS_DATABASE_NAME="$MARIADB_DATABASE" -e WORDPRESS_DATABASE_USER="root" -e WORDPRESS_DATABASE_PASSWORD="$MARIADB_ROOT_PASSWORD" --link mariadb:db -v /root/wordpress:/bitnami --restart unless-stopped -d bitnami/wordpress:latest
# END