6 abort 'Error: Ruby >= 1.9.3 required.' if RUBY_VERSION < '1.9.3'
8 # Initialize config settings from config.yml
9 config = YAML.load_file('config.yml')
11 # ============================================================
12 # Add dynamically chosen config settings. These settings should
13 # be suitable for any installation.
15 # Any _PW/_SECRET config settings represent passwords/secrets. If they
16 # are blank, choose a password randomly.
17 config.each_key do |var|
18 if (var.end_with?('_PW') || var.end_with?('_SECRET')) && (config[var].nil? || config[var].empty?)
19 config[var] = rand(2**256).to_s(36)
23 # ============================================================
24 # For each *.in file in the docker directories, substitute any
25 # @@variables@@ found in the file with the appropriate config
26 # variable. Support up to 10 levels of nesting.
28 # TODO(twp): add the *.in files directory to the source tree, and
29 # when expanding them, add them to the "generated" directory with
30 # the same tree structure as in the original source. Then all
31 # the files can be added to the docker container with a single ADD.
33 Dir.glob('*/generated/*') do |stale_file|
34 File.delete(stale_file)
37 Dir.glob('*/*.in') do |template_file|
38 generated_dir = File.join(File.dirname(template_file), 'generated')
39 Dir.mkdir(generated_dir) unless Dir.exists? generated_dir
40 output_path = File.join(generated_dir, File.basename(template_file, '.in'))
41 output = File.open(output_path, "w")
42 File.open(template_file) do |input|
43 input.each_line do |line|
47 @out = line.gsub!(/@@(.*?)@@/) do |var|
48 if config.key?(Regexp.last_match[1])
49 config[Regexp.last_match[1]]
51 var.gsub!(/@@/, '@_NOT_FOUND_@')
64 # Copy the ssh public key file to base/generated (if a path is given)
65 generated_dir = File.join('base/generated')
66 Dir.mkdir(generated_dir) unless Dir.exists? generated_dir
67 if config.key?('PUBLIC_KEY_PATH') &&
68 ! (config['PUBLIC_KEY_PATH'] == '') &&
69 File.readable?(config['PUBLIC_KEY_PATH'])
70 FileUtils.cp(config['PUBLIC_KEY_PATH'],
71 File.join(generated_dir, 'id_rsa.pub'))