check_ebs_snapshot

#!/usr/bin/python

import boto.ec2
import operator
import sys
from datetime import datetime, timedelta

if len(sys.argv) != 4:
    print 'Usage: %s <region> <volume id> <max age in hours>' % sys.argv[0]
    sys.exit(1)

region = sys.argv[1]
volume_id = sys.argv[2]
max_age = timedelta(hours=int(sys.argv[3]))
connection = boto.ec2.connect_to_region(region)

if not connection:
    print 'Failed to connect to AWS'
    sys.exit(2)

snapshots = connection.get_all_snapshots(
        owner='self', filters={'volume-id': volume_id, 'status': 'completed'})

if not snapshots:
    print 'No completed snapshots found'
    sys.exit(2)

last_snapshot = sorted(snapshots, key=operator.attrgetter('start_time'))[-1]
age = datetime.utcnow() - datetime.strptime(
        last_snapshot.start_time, '%Y-%m-%dT%H:%M:%S.000Z')

if age > max_age:
    print 'Snapshot too old: %s hours' % str(age).split(':')[0]
    sys.exit(2)
else:
    print 'Snapshot young enough'
    sys.exit(0)

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