850501_pyhton script.txt

# Script to take snapshots of all volumes in region us-east-2
# matching the tag Environment:Prod
# To create boto3 session
from boto3 import Session
from botocore.exceptions import ClientError
# Add your access key and secret key here
sess = Session(aws_access_key_id=ARN_ACCESS_KEY,
               aws_secret_access_key=ARN_SECRET_KEY,
              region_name="us-east-1")
# Client for ec2 for volume and snapshot operations
ec2_client = sess.client("ec2", region_name="us-east-2")
# This is for error handling in case describe volumes operation fails
try:
   # Refer filters parameter from boto3 documentation
   ec2_volumes = ec2_client.describe_volumes(Filters = [
           {
               'Name' : "tag-key",
               'Values' : ["Environment"]
           },
           {
               'Name' : "tag-value",
               'Values' : ['Prod']
           }
       ])
  # Iterate over all volumes matching the given tag
   for volume in ec2_volumes.get('Volumes',[]):
       volume_id = volume.get('VolumeId')
       # Error handling so that other snapshots are created even if one fails
       try:
           # Create snapshot for the specific volume using volume_id
           snapshot = ec2_client.create_snapshot(VolumeId = volume_id,
                                                 Description = "Created by script")
           print(snapshot['SnapshotId'])
       except ClientError as e:
           print("Error in snapshot",e)
except ClientError as e:
   print("Error in volume describe",e)