Contents

#!/usr/bin/env ruby

require 'cfndsl'
require 'optparse'
require 'json'

options = {}

optparse = OptionParser.new do |opts|
  opts.banner = 'Usage: cfndsl [options] FILE'

  # Define the options, and what they do
  options[:output] = '-'
  opts.on('-o', '--output FILE', 'Write output to file') do |file|
    options[:output] = file
  end

  options[:extras] = []
  opts.on('-y', '--yaml FILE', 'Import yaml file as local variables') do |file|
    options[:extras].push([:yaml, File.expand_path(file)])
  end

  opts.on('-r', '--ruby FILE', 'Evaluate ruby file before template') do |file|
    options[:extras].push([:ruby, File.expand_path(file)])
  end

  opts.on('-j', '--json FILE', 'Import json file as local variables') do |file|
    options[:extras].push([:json, File.expand_path(file)])
  end

  opts.on('-p', '--pretty', 'Pretty-format output JSON') do
    options[:pretty] = true
  end

  opts.on('-D', '--define "VARIABLE=VALUE"', 'Directly set local VARIABLE as VALUE') do |file|
    options[:extras].push([:raw, file])
  end

  options[:verbose] = false
  opts.on('-v', '--verbose', 'Turn on verbose ouptut') do
    options[:verbose] = true
  end

  # This displays the help screen, all programs are
  # assumed to have this option.
  opts.on('-h', '--help', 'Display this screen') do
    puts opts
    exit
  end
end

optparse.parse!
unless ARGV[0]
  puts optparse.help
  exit(1)
end

filename = File.expand_path(ARGV[0])
verbose = options[:verbose] && STDERR

model = CfnDsl.eval_file_with_extras(filename, options[:extras], verbose)

output = STDOUT
if options[:output] != '-'
  verbose.puts("Writing to #{options[:output]}") if verbose
  output = File.open(File.expand_path(options[:output]), 'w')
elsif verbose
  verbose.puts('Writing to STDOUT')
end

output.puts options[:pretty] ? JSON.pretty_generate(model) : model.to_json

Version data entries

5 entries across 5 versions & 1 rubygems

Version	Path
cfndsl-0.5.2	bin/cfndsl
cfndsl-0.5.1	bin/cfndsl
cfndsl-0.5.0	bin/cfndsl
cfndsl-0.5.1.pre	bin/cfndsl
cfndsl-0.5.0.pre	bin/cfndsl