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# Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
# SPDX-License-Identifier: Apache-2.0
# frozen_string_literal: true
# snippet-start:[ruby.example_code.lambda.handler.increment]
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require 'logger'
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# A function that increments a whole number by one (1) and logs the result.
# Requires a manually-provided runtime parameter, 'number', which must be Int
#
# @param event [Hash] Parameters sent when the function is invoked
# @param context [Hash] Methods and properties that provide information
# about the invocation, function, and execution environment.
# @return incremented_number [String] The incremented number.
def lambda_handler ( event : , context : )
logger = Logger . new ( $stdout )
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log_level = ENV [ 'LOG_LEVEL' ]
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logger . level = case log_level
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when 'debug'
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Logger :: DEBUG
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when 'info'
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Logger :: INFO
else
Logger :: ERROR
end
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logger . debug ( 'This is a debug log message.' )
logger . info ( 'This is an info log message. Code executed successfully!' )
number = event [ 'number' ] . to_i
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incremented_number = number + 1
logger . info ( " You provided #{ number . round } and it was incremented to #{ incremented_number . round } " )
incremented_number . round . to_s
end
# snippet-end:[ruby.example_code.lambda.handler.increment]
