Sha256: 1953f84ec03f7006fc0c6d4367a7a4fd9ffc147671f19dd68c630c7ecc218bfc
Contents?: true
Size: 1.36 KB
Versions: 34
Compression:
Stored size: 1.36 KB
Contents
# frozen_string_literal: true
require 'psych'
require 'pathname'
require 'base64'
class EnvVariablesService
class << self
def substitute_env_variables(compose_file_data)
compose_file_data.gsub(/\$\{?([?:\-_A-Za-z0-9]+)\}?/) do |variable|
variable_content = variable.match(/[?:\-_A-Za-z0-9]+/).to_s
fetch_variable_value(variable_content)
end
end
private
def fetch_variable_value(variable_content)
variable_name = variable_content.match(/^[_A-Za-z0-9]+/).to_s
variable_value = ENV[variable_name]
return variable_value unless variable_value.nil?
return fetch_variable_default_value(variable_content) if variable_has_default_value?(variable_content)
error_message = if variable_has_error_message?(variable_content)
fetch_env_error_message(variable_content)
else
"Environment variable #{variable_name} doesn't exist"
end
raise StandardError.new(error_message)
end
def variable_has_default_value?(variable_content)
variable_content.include?('-')
end
def fetch_variable_default_value(variable_content)
variable_content.split('-', 2).last
end
def variable_has_error_message?(variable_content)
variable_content.include?('?')
end
def fetch_env_error_message(variable_content)
variable_content.split('?', 2).last
end
end
end
Version data entries
34 entries across 34 versions & 1 rubygems