stop-start-dynamodb.py

import boto3

table_name = ‘sample_table’
ssm = boto3.client('ssm')
table = boto3.resource('dynamodb').Table(table_name)

# Store current read and write capacity units.
ssm.put_parameter(
    Name=’/dynamodb/{}/read_capacity_units’.format(table_name),
    Value=str(table.provisioned_throughput[‘ReadCapacityUnits’]),
    Type='String',
    Overwrite=True,
)
ssm.put_parameter(
    Name=’/dynamodb/{}/write_capacity_units’.format(table_name),
    Value=str(table.provisioned_throughput[‘WriteCapacityUnits’]),
    Type='String',
    Overwrite=True,
)

# Stop table.
table = table.update(
    ProvisionedThroughput={
        'ReadCapacityUnits': 0,
        'WriteCapacityUnits': 0
    })


# Fetch read and write capacity units.
response = ssm.get_parameter(
    Name=’/dynamodb/{}/read_capacity_units’.format(table_name)
)
read_capacity_units = response[‘Parameter’][‘Value’]

response = ssm.get_parameter(
    Name=’/dynamodb/{}/write_capacity_units’.format(table_name)
)
write_capacity_units = response[‘Parameter’][‘Value’]

table = table.update(
    ProvisionedThroughput={
        'ReadCapacityUnits': read_capacity_units,
        'WriteCapacityUnits': write_capacity_units
    })