require 'r10k/logging' require 'r10k/errors' require 'systemu' module R10K module Execution include R10K::Logging # Execute a command and return stdout # # @params [String] cmd # @params [Hash] opts # # @option opts [String] :event An optional log event name. Defaults to cmd. # # @raise [R10K::ExecutionFailure] If the executed command exited with a # nonzero exit code. # # @return [String] the stdout from the command def execute(cmd, opts = {}) event = opts[:event] || cmd logger.debug1 "Execute: #{event.inspect}" status, stdout, stderr = systemu(cmd) logger.debug2 "[#{event}] STDOUT: #{stdout.chomp}" unless stdout.empty? logger.debug2 "[#{event}] STDERR: #{stderr.chomp}" unless stderr.empty? unless status == 0 msg = "#{cmd.inspect} returned with non-zero exit value #{status.exitstatus}" e = R10K::ExecutionFailure.new(msg) e.exit_code = status e.stdout = stdout e.stderr = stderr raise e end stdout end end end