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Delete old EBS snapshots using Boto3 AWS Lambda Python
from datetime import datetime, timedelta, timezone
import boto3
class Ec2Instances(object):
def __init__(self, region):
print("region "+ region)
self.ec2 = boto3.client('ec2', region_name=region)
def delete_snapshots(self, older_days=1):
delete_snapshots_num = 0
snapshots = self.get_nimesa_created_snapshots()
for snapshot in snapshots['Snapshots']:
fmt_start_time = snapshot['StartTime']
if (fmt_start_time < self.get_delete_data(older_days)):
return delete_snapshots_num
def get_nimesa_created_snapshots(self):
snapshots = self.ec2.describe_snapshots(Filters=[{'Name': 'description', 'Values': ['Created by Nimesa']}])
return snapshots
def get_delete_data(self, older_days):
delete_time = - timedelta(days=older_days)
return delete_time;
def delete_snapshot(self, snapshot_id):
def lambda_handler(event, context):
print("event " + str(event))
print("context " + str(context))
ec2_reg = boto3.client('ec2')
regions = ec2_reg.describe_regions()
for region in regions['Regions']:
region_name = region['RegionName']
instances = Ec2Instances(region_name)
deleted_counts = instances.delete_snapshots(1)
print("deleted_counts for region "+ str(region_name) +" is " + str(deleted_counts))
return 'completed'

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@indreshcha indreshcha commented Jun 17, 2019

can you please also share unit test/coverage test/pytest for this ?

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