Sha256: fb3f25daed6e5ed4f058434a58dd98bf8e711831334849d2b449f0466201f21c
Contents?: true
Size: 1.42 KB
Versions: 31
Compression:
Stored size: 1.42 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(/\${1,2}\{?([?:\-_A-Za-z0-9]+)\}?/) do |variable|
next variable if variable.start_with?('$$')
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 Uffizzi::Error.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
31 entries across 31 versions & 1 rubygems