Sample script to create CloudFront invalidation

boto3_cloudfront_create_invalidation.py

'''
Invalidate Amazon CloudFront paths

API
- https://docs.aws.amazon.com/cloudfront/latest/APIReference/API_CreateInvalidation.html
- https://boto3.amazonaws.com/v1/documentation/api/latest/reference/services/cloudfront.html#CloudFront.Client.create_invalidation
'''
import random
import time
import boto3

client = boto3.client('cloudfront')

DistributionId = 'EXAMPLE'
Items = ['/hello.jpg']

def unique_string(prefix='cli'):
    ''' borrowed from aws-cli/awscli/customizations/cloudfront.py
    '''
    return '%s-%s-%s' % (prefix, int(time.time()), random.randint(1, 1000000))

res = client.create_invalidation(
    DistributionId=DistributionId,
    InvalidationBatch = {
      'Paths' : {
        'Quantity': len(Items),
        'Items': Items,
      },
      'CallerReference' : unique_string()
    }
)

print(res)