SNS to SSH Lambda function

!!! SSH won't complete a connection within the short time a Lambda function should run !!!

Lambda Node Dependencies

Package	Version	URL
node-ssh	12.0.2	https://npmjs.com/package/node-ssh

System Dependencies

Package	Version	URL
AWS CLI	2.4.2	https://aws.amazon.com/cli/
Nodejs	14.x	https://nodejs.org/en/
Yarn	1.22.15	https://classic.yarnpkg.com/en/

Software Requirements

• Lambda function name, profile able to execute it and region
• SSH key, username and hostname of server to SSH into
• MacOS or linux - Windows will at least need different procedures

AWS Setup

1. Create a Lambda function connected to the desired SNS topic
2. Add environment variables for pemfilename, user, and host

Setup

1. If nvm installed and .nvmrc integration not set up, run nvm use to get Node version
2. Add the pem key to the lambda folder with the filename from pemfilename
3. Run chmod 444 on the pem key so it can be zipped
4. Run yarn in the lambda folder to install simple-ssh dependency
5. Copy the .env.example file to .env and set the variables

Credential Testing

1. After adding the AWS credentials to the .env file, run test.sh to test if the connection is working

Execution

1. Run the deploy.sh script
2. ???
3. Profit