Class: PopulateEnv::Heroku::Manifest

Inherits:
Object
  • Object
show all
Defined in:
lib/populate_env/heroku/manifest.rb

Instance Method Summary collapse

Constructor Details

#initialize(path) ⇒ Manifest

Returns a new instance of Manifest.



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# File 'lib/populate_env/heroku/manifest.rb', line 6

def initialize(path)
  @path = path
end

Instance Method Details

#attribute_definitions_for(environment) ⇒ Object 



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# File 'lib/populate_env/heroku/manifest.rb', line 10

def attribute_definitions_for(environment)
  begin
    data = JSON.parse(@path.read, symbolize_names: true)
    env_vars = data.fetch(:env, {})
    env_vars.merge!(
      data.fetch(:environments, {})
          .fetch(environment.to_sym, {})
          .fetch(:env, {})
    )

    env_vars.map do |key, value|
      if value.is_a?(Hash)
        default = value.delete(:value)
        value.merge!(name: key, default: default)
        AttributeDefinition.new(value)
      else
        AttributeDefinition.new(name: key, default: value)
      end
    end
  rescue Errno::ENOENT
    fail "Manifest file #{@path.to_s.inspect} not found"
  rescue JSON::ParserError
    fail "Could not parse JSON in #{@path.to_s.inspect}"
  end
end