Amazon_EC2_Create_Snapshot

Amazon_EC2_Create_Snapshot

import boto3
from datetime import datetime, timedelta

Date_UTC = datetime.utcnow()                                # Current date and time in UTC
Date = datetime.now()                                       # Current date and time
Delta = Date_UTC - timedelta(days=3)                        # Retention period for snapshots

snapshots_list = []                                         # Deleted snapshots list

AccessKey = ""                          # Access Key to Amazon AWS
SecretKey = ""                          # Secret Key to Amazon AWS

ec2 = boto3.resource('ec2')                                 # EC2 resource

client_ec2 = boto3.client(                                  # EC2 client
    'ec2',
    aws_access_key_id = AccessKey,
    aws_secret_access_key = SecretKey,
    region_name='eu-central-1')

VM_Volume = client_ec2.describe_volumes()                   # Get all EC2 volumes

all_snapshots = client_ec2.describe_snapshots(OwnerIds=['243285718310'])    # Get all snapshots

for snapshot_task in all_snapshots['Snapshots']:

    snapshot_time = snapshot_task['StartTime'].replace(tzinfo=None)         # Get snapshot creation time

    snapshot = ec2.Snapshot(snapshot_task['SnapshotId'])                    # Get snapshot

    if snapshot_time < Delta:                                               # Deleting of all snapshots that older of retention period
        snapshots_list.append(snapshot_task['SnapshotId'])                  # Add deleted snapshot to list
        snapshot.delete()

    else:
        continue


if snapshots_list:                                                          # Print output if deleted snapshots exist
    print("Below snapshots was deleted:\n\n%s" % snapshots_list)

for volume in VM_Volume['Volumes']:                                         # Iterate through volumes

    for x in volume['Attachments']:

        # Create snapshot and add description
        create_snapshot = ec2.create_snapshot(VolumeId = x['VolumeId'], Description = "Backup date: %s" % Date.strftime("%Y-%m-%d %H:%M:%S"))
        # Tag snapshot with EC2 vm name
        create_snapshot.create_tags(Tags = [{"Key": "Name", "Value": volume['Tags'][0]['Value']}])

print("\nSnapshot creation task completed!")