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Generic (AWS Console or CLI) Configurations Details

The generic event will automatically handle many common things done when eventing off a generic event invoked manually or programmatically. Developers then have the ability to further extend that functionality with custom middleware. Below is a full list of all the configurations available and examples of their use.

Examples

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Lambda Configuration

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functions:
    generic-handler:
        handler: service/handlers/generic.handle
        memorySize: 512
        timeout: 30

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from acai_aws.firehose.requirements import requirements
from acai_aws.common import logger

@requirements(
    before=log_something,
    data_class=SomeClass,
    raise_operation_error=True,
    raise_body_error=True,
    schema='service/openapi.yml',
    required_body='v1-generic-body', # or jsonschema dict
    after=alert_something,
)
def handle(event):
    logger.log(log=event.body)

# example data class
class SomeClass:
    def __init__(self, record):
        for k, v in record.body.items():
            setattr(self, k, v)

# example before function
def log_something(records, requirements):
    logger.log(log=event.body) 

# example after function
def alert_something(event, result, requirements):
    if 'something' in result and 'alert' in requirements:
        logger.log(log=event)

Requirements Configuration Options

option type required default description
before func no None a custom function to be ran before your records are pulled
after func no None a custom function to be ran after your records are pulled
data_class class no None a custom class that will be passed instead of the records object
raise_body_error bool no False will raise exception if body of record does not match schema provided
required_body str or dict no None will validate body of record against this schema
schema str no None file path pointing to the location of the openapi.yml file

Generic Event Properties

property type description
body any can be anything, automaticallyed b64 decoded objects

event.body

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print(event.body);

# output
{
    'new_data': '123456789'
}