/lambda-control-plane-python

serverless function control plane to start/stop EC2 instance

Primary LanguagePythonMIT LicenseMIT

AWS-Py-Control-Plane

FaaS control plane to start/stop EC2 and set autoscaling instance size. See serverless.yml example how to hook up event trigger for each function.

Setup

  1. Install serverless framework via npm:

    npm install -g serverless

  2. Set-up your AWS Provider Credentials

Deploy

In order to deploy the function simply run

serverless deploy

The expected result should be similar to:

Serverless: Packaging service...
Serverless: Creating Stack...
Serverless: Checking Stack create progress...
.....
Serverless: Stack create finished...
Serverless: Uploading CloudFormation file to S3...
Serverless: Uploading artifacts...
Serverless: Uploading service .zip file to S3 (1.1 KB)...
Serverless: Validating template...
Serverless: Updating Stack...
Serverless: Checking Stack update progress...
..................................................................
Serverless: Stack update finished...
Service Information
service: py-control-plane
stage: pro
region: ap-southeast-1
api keys:
None
endpoints:
None
functions:
ec2start: py-control-plane-pro-ec2start
ec2stop: py-control-plane-pro-ec2stop

Usage

You can now invoke each of the Lambdas directly and print their log statements via

serverless invoke -f ec2stop -l

The expected result should be similar to:

{
    "message": "Success"
}
--------------------------------------------------------------------
START RequestId: 480343e4-5264-11e7-ba6e-cf514b863e2b Version: $LATEST
Receive event: {}
Filters: [{'Name': 'tag:AutoStop', 'Values': ['Yes', 'YES', 'true']}, {'Name': 'instance-state-name', 'Values': ['running']}]
RunningInstance: ['i-0f5dd561fdec382d7', 'i-0d912a68c42ff4c83', 'i-03fc4e9e3b80d464b', 'i-0a580e2601fc73fa5', 'i-01d47cf36bd757795', 'i-03287ddca76d7b8be', 'i-009814c9ecff25cc6']
END RequestId: 480343e4-5264-11e7-ba6e-cf514b863e2b
REPORT RequestId: 480343e4-5264-11e7-ba6e-cf514b863e2b  Duration: 1101.61 ms    Billed Duration: 1200 ms        Memory Size: 128 MB Max Memory Used: 43 MB

You can also tail the function Logs

serverless logs -f ec2stop -t

The expected result should be similar to:

START RequestId: 480343e4-5264-11e7-ba6e-cf514b863e2b Version: $LATEST
Receive event: {}
Filters: [{'Name': 'tag:AutoStop', 'Values': ['Yes', 'YES', 'true']}, {'Name': 'instance-state-name', 'Values': ['running']}]
RunningInstance: ['i-0f5dd561fdec382d7', 'i-0d912a68c42ff4c83', 'i-03fc4e9e3b80d464b', 'i-0a580e2601fc73fa5', 'i-01d47cf36bd757795', 'i-03287ddca76d7b8be', 'i-009814c9ecff25cc6']
END RequestId: 480343e4-5264-11e7-ba6e-cf514b863e2b
REPORT RequestId: 480343e4-5264-11e7-ba6e-cf514b863e2b  Duration: 1101.61 ms    Billed Duration: 1200 ms        Memory Size: 128 MB Max Memory Used: 43 MB