module KumoDockerCloud::StackFile

Public Class Methods

create_from_template(stack_template, config, env_vars) click to toggle source
# File lib/kumo_dockercloud/stack_file.rb, line 5
def self.create_from_template(stack_template, config, env_vars)
  parsed = YAML.load(ERB.new(stack_template).result(config.get_binding))

  converted_env_vars = make_all_root_level_keys_strings(env_vars)

  env_vars.each do |key, _|
    key_string = key.to_s
    parsed[key_string]['environment'] ||= {}
    parsed[key_string]['environment'].merge!(converted_env_vars.fetch(key_string))
    parsed[key_string]['environment'] = escape_characters_that_need_special_handling(parsed[key_string]['environment'])
  end

  parsed
end
escape_characters_that_need_special_handling(env_hash) click to toggle source
# File lib/kumo_dockercloud/stack_file.rb, line 24
def self.escape_characters_that_need_special_handling(env_hash)
  env_hash.keys.reduce({}) { |acc, key| acc[key] = (env_hash[key].is_a? String) ? env_hash[key].gsub(/[$]{1}/, "$$") : env_hash[key]; acc }
end

Private Class Methods

make_all_root_level_keys_strings(env_vars) click to toggle source
# File lib/kumo_dockercloud/stack_file.rb, line 20
def self.make_all_root_level_keys_strings(env_vars)
  env_vars.keys.reduce({}) { |acc, key| acc[key.to_s] = env_vars[key]; acc }
end