Custom Deployment Tool - flintstone

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Usage:

• pip install -r requirements.txt
• edit env.sh with your beloved docker credentials
• source env.sh
• python flintstone.py --image dockerhub/whatever --elb myelbname host1 host2 host3 hostn

What Flintstone will do?

• Check if your Load Balancer exists in your AWS Account
• Check if the docker image provided is in your local image repository
• Authenticate to Dockerhub, push the image to docker hub as latest.
• Connect through the hosts by ssh (currently ec2-user set as user)
• Deregister Instance from ELB
• Install docker if not installed || Kill the containers running and spin up a new container with the recently pushed image.
• Register instance to ELB if sucess
• Proceed to next host.

Important

Your ec2 instances must have a IAM role which allows interaction with ELB (DeregisterInstancesFromLoadBalancer and RegisterInstancesWithLoadBalancer)

Discalimer

This code is actually a comparison on how terraform and imutable deployments can be good and safe for your architecture. Please check terraform directory and readme in this repository

Felipe A.