R: Execute AWS Lambda API Request

lambdaHTTP {aws.lambda}

R Documentation

Execute AWS Lambda API Request

Description

This is the workhorse function to execute calls to the Lambda API.

Usage

lambdaHTTP(
  verb = "GET",
  action,
  query = NULL,
  headers = list(),
  body = NULL,
  verbose = getOption("verbose", FALSE),
  region = Sys.getenv("AWS_DEFAULT_REGION", "us-east-1"),
  key = NULL,
  secret = NULL,
  session_token = NULL,
  ...
)

Arguments

`verb`	A character string specifying the HTTP verb to use.
`action`	A character string specifying the API version and endpoint.
`query`	An optional named list containing query string parameters and their character values.
`headers`	A list of headers to pass to the HTTP request.
`body`	The HTTP request body.
`verbose`	A logical indicating whether to be verbose. Default is given by `options("verbose")`.
`region`	A character string specifying an AWS region. See `locate_credentials`.
`key`	A character string specifying an AWS Access Key. See `locate_credentials`.
`secret`	A character string specifying an AWS Secret Key. See `locate_credentials`.
`session_token`	Optionally, a character string specifying an AWS temporary Session Token to use in signing a request. See `locate_credentials`.
`...`	Additional arguments passed to `GET` or another httr request function.

Details

This function constructs and signs an AWS Lambda API request and returns the results thereof, or relevant debugging information in the case of error.

Value

If successful, a named list. Otherwise, a data structure of class “aws-error” containing any error message(s) from AWS and information about the request attempt.

Author(s)

Thomas J. Leeper