module Berktacular

This module contains classes that allow for generating Berksfiles from chef environment files.

Constants

VERSION: the gem version.
VERSION_RE: Matches the numeric version information from a tag.

Public Class Methods

best_temp_dir() click to toggle source

@return [String] the best tmpdir to use for this machine. Prefers /dev/shm if available.

# File lib/berktacular.rb, line 26
def self.best_temp_dir
  require 'tempfile'
  tmp = if File.directory?("/dev/shm") && File.writable?("/dev/shm")
    '/dev/shm'
  else
    '/tmp'
  end
  pat = [
    Time.now().strftime('%Y_%m_%d-%H.%M.%S_'),
    '_berktacular'
  ]
  Dir.mktmpdir(pat, tmp)
end

deep_copy(h) click to toggle source

@param h [Object] does a deep copy of whatever is passed in. @return [Object] a deep copy of the passed in object.

# File lib/berktacular.rb, line 11
def self.deep_copy(h)
  Marshal.load(Marshal.dump(h))
end

run_command(cmd) click to toggle source

@param [String] a command to run. @return [True] or raise on failure.

# File lib/berktacular.rb, line 17
def self.run_command(cmd)
  puts "Running command: #{cmd}"
  unless system(cmd)
    raise "Command failed with exit code #{$?.exitstatus}: #{cmd}"
  end
  true
end