2013-08-01 00:01:15 +00:00

46 lines
914 B
Ruby

module Producer
module Core
class CLI
attr_reader :arguments
USAGE = "Usage: #{File.basename $0} host recipe_file"
def initialize(arguments, stdout = $stdout)
@stdout = stdout
@arguments = arguments
end
def run!
check_arguments!
evaluate_recipe_file
end
def check_arguments!
print_usage_and_exit(64) unless @arguments.length == 2
end
def evaluate_recipe_file
recipe = Recipe.from_file(@arguments[1])
env = Env.new(recipe)
begin
recipe.evaluate env
rescue Recipe::RecipeEvaluationError => e
@stdout.puts [e.backtrace.shift, e.message].join ': '
@stdout.puts e.backtrace
exit 70
end
end
private
def print_usage_and_exit(status)
@stdout.puts USAGE
exit status
end
end
end
end