provision-basic-asg.md

Install aws cli if you have not installed it

sudo apt install awscli
sudo pip install awscli --upgrade --user

Provision autoscaling group

In this lab you will provision an AWS autoscaling group comprised of an ELB and 2 EC2 instances.

Helpful commands

Get instance IPs

aws ec2 describe-instances --instance-ids <instance_id> --query 'Reservations[0].Instances[0].PrivateIpAddress'

Lab

Provision a group

ansible-playbook provision-basic-asg-playbook.yml

Verify instance states

aws autoscaling describe-auto-scaling-groups --auto-scaling-group-names workshop-basic_asg --query 'AutoScalingGroups[0].Instances'

Verify ELB state

aws elb describe-instance-health --load-balancer-name workshop-basic-lb

Verify app state for each instance

curl http://<instance_ip>:8080/ping

Shut down one of the instances

aws ec2 terminate-instances --instance-ids <instance_id>

Verify instance states

aws autoscaling describe-auto-scaling-groups --auto-scaling-group-names workshop-basic_asg --query 'AutoScalingGroups[0].Instances'

Verify ELB state

aws elb describe-instance-health --load-balancer-name workshop-basic-lb

Verify that app is working for each instance

curl http://<instance_ip>:8080/ping

Clean up

ansible-playbook provision-basic-asg-playbook.yml --extra-vars "state=absent" --tags "asg"
ansible-playbook provision-basic-asg-playbook.yml --extra-vars "state=absent" --tags "lc"