Created
August 10, 2012 21:01
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Python: Auto start and stop EC2 instances at certain times of the day
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#!/usr/bin/python | |
# | |
# Auto-start and stop EC2 instances | |
# | |
import boto, datetime, sys | |
from time import gmtime, strftime, sleep | |
# AWS credentials | |
aws_key = "AKIAxxx" | |
aws_secret = "abcd" | |
# The instances that we want to auto-start/stop | |
instances = [ | |
# You can have tuples in this format: | |
# [instance-id, name/description, startHour, stopHour, ipAddress] | |
["i-12345678", "Description", "00", "12", "1.2.3.4"] | |
] | |
# -------------------------------------------- | |
# If its the weekend, then quit | |
weekday = datetime.datetime.today().weekday() | |
if (weekday == 5) or (weekday == 6): | |
sys.exit() | |
# Connect to EC2 | |
conn = boto.connect_ec2(aws_key, aws_secret) | |
# Get current hour | |
hh = strftime("%H", gmtime()) | |
# For each instance | |
for (instance, description, start, stop, ip) in instances: | |
# If this is the hour of starting it... | |
if (hh == start): | |
# Start the instance | |
conn.start_instances(instance_ids=[instance]) | |
# Sleep for a few seconds to ensure starting | |
sleep(10) | |
# Associate the Elastic IP with instance | |
if ip: | |
conn.associate_address(instance, ip) | |
# If this is the hour of stopping it... | |
if (hh == stop): | |
# Stop the instance | |
conn.stop_instances(instance_ids=[instance]) |
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