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Contents
# typed: false
module Datadog
module Core
# Namespace for handling application environment
module Environment
# Defines helper methods for environment
# @public_api
module VariableHelpers
extend self
def env_to_bool(var, default = nil)
var = decode_array(var)
var && ENV.key?(var) ? ENV[var].to_s.strip.downcase == 'true' : default
end
def env_to_int(var, default = nil)
var = decode_array(var)
var && ENV.key?(var) ? ENV[var].to_i : default
end
def env_to_float(var, default = nil)
var = decode_array(var)
var && ENV.key?(var) ? ENV[var].to_f : default
end
# Parses comma- or space-separated lists.
#
# If a comma is present, then the list is considered comma-separated.
# Otherwise, it is considered space-separated.
#
# After the entries are separated, commas and whitespaces that are
# either trailing or leading are trimmed.
#
# Empty entries, after trimmed, are also removed from the result.
def env_to_list(var, default = [], comma_separated_only:)
var = decode_array(var)
if var && ENV.key?(var)
value = ENV[var]
values = if value.include?(',') || comma_separated_only
value.split(',')
else
value.split(' ') # rubocop:disable Style/RedundantArgument
end
values.map! do |v|
v.gsub!(/\A[\s,]*|[\s,]*\Z/, '')
v.empty? ? nil : v
end
values.compact!
values
else
default
end
end
private
def decode_array(var)
var.is_a?(Array) ? var.find { |env_var| ENV.key?(env_var) } : var
end
end
end
end
end
Version data entries
12 entries across 12 versions & 1 rubygems