creates instances for use with https://github.com/Praqma/LearnKubernetes/blob/master/kamran/Kubernetes-The-Hard-Way-on-AWS.md

instances.py

"""create instances for
https://github.com/Praqma/LearnKubernetes/blob/master/kamran/Kubernetes-The-Hard-Way-on-AWS.md"""

# stdlib
import logging

# 3rd party
import boto3

#local

ec2 = boto3.client('ec2', region_name='us-east-1')

instances = {'etcd1': '10.0.0.245',
             'etcd2': '10.0.0.246',
             'controller1': '10.0.0.137'
             'controller2': '10.0.0.138'
             'worker1': '10.0.0.181'
             'worker2': '10.0.0.182'}

for instance_name in instances:
  name = f'k8sthw-{instance_name}'
  ec2.run_instances(ImageId='ami-b81dbfc5',
                    MaxCount=1,
                    MinCount=1,
                    InstanceType='t2.micro',
                    KeyName='k8sthw-key',
                    NetworkInterfaces=[
                      {'AssociatePublicIpAddress': True,
                       'Groups': ['sg-04db214d'],
                       'DeviceIndex': 0,
                       'DeleteOnTermination': True,
                       'PrivateIpAddress': instances[instance_name],
                       'SubnetId': 'subnet-9cdde0a3'}
                    ],
                    TagSpecifications=[
                      {'ResourceType': 'instance',
                       'Tags': [
                        {'Key': 'Name',
                         'Value': name}
                       ]}
                    ])