AutoAWS

A Python script that requests a spot EC2 instance. Use InstanceId to control the instance.

Prerequisites

• Python 3
• Boto 3
• AWS CLI

Setup

Boto 3 Install

$ pip install boto3

AWS CLI Configure

• Create Access Key for Your AWS Account. Instructions can be found at https://docs.aws.amazon.com/general/latest/gr/managing-aws-access-keys.html

• Configure AWS CLI using AWS Access Key ID and AWS Secret Access Key

  • $ aws configure

  • AWS Access Key ID [None]: 'ACCESS_KEY_ID'
    AWS Secret Access Key [None]: 'SECRET_ACCESS_KEY'
    Default region name [None]:'Region'
    Default output format [None]: ENTER

• To use multiple profiles set the system environment AWSACC with the name of the profile in .aws/config

Configuration File

List of a configure fields

• tag: Name of the instance
• team, created_by, application: extra tags
• ami: AMI_ID - Get the appropriate AMI ID for your region from http://aws.amazon.com/amazon-linux-ami/
• key_pair: Named keypair on EC2 for instance creation
• security_group: Named security_group on EC2 for instance creation
• max_bid: Max bid price for spot instance. Current bid prices can be found at https://aws.amazon.com/ec2/spot/pricing/
• type: Type of EC2 instance. List can be found at https://aws.amazon.com/ec2/instance-types/
• availability_zone: AvailablityZone code (eg. 'us-west-1a'). List of regions can be found at https://docs.aws.amazon.com/general/latest/gr/rande.html#ec2_region
• subnet_id" subnet id for the AZ
• product_description: 'Linux/UNIX' or 'Windows'
• public_ip Public IP you want to attach (can leave blank)
• iam_role ARN of IAM role for instance (can leave blank)

*Refer to example-config.cfg file.

You can add user data by creating a userdata.txt file.

Request EC2 Spot Instance

from ec2 import AutoEC2
ec2 = AutoEC2()

# show instances
ec2.instances 

# create a new instance based on config file
inst = ec2.create("config.cfg")

# destroy the instance
ec2.destroy(inst["InstanceId"])