module DatabagVersion

A simple module for working with “versioned” data bags. This relies on thor-scmversion to provide the version information. Any data bag item templates are then processed with Erubis to insert the version information.

Public Class Methods

id(name) click to toggle source

# File lib/databag_version.rb, line 13
def id(name)
  scm_versioner = ThorSCMVersion.versioner
  tag = scm_versioner.from_path

  version = tag.to_s.gsub(/\./, '_')

  "#{name}_#{version}"
end

process_all(quiet = true, path = 'data_bags') click to toggle source

# File lib/databag_version.rb, line 22
def process_all(quiet = true, path = 'data_bags')
  @be_quiet = quiet
  Dir.foreach(path) do |dir|
    # Skip everything that isn't a sub-directory
    subdir = File.join(path, dir)
    unless File.directory?(subdir)
      puts "Skiping #{subdir} (Not a directory)" unless @be_quiet
      next 
    end
    # Process every sub-directory (but not current & parent, natch)
    process_dir("#{path}/#{dir}") unless dir == '.' || dir == '..'
  end if File.exist?(path)
end

Private Class Methods

process_dir(path) click to toggle source

# File lib/databag_version.rb, line 38
def process_dir(path)
  Dir.foreach(path) do |file|
    process_file("#{path}/#{file}") if file.match('.erb')
  end
end

process_file(file) click to toggle source

# File lib/databag_version.rb, line 44
def process_file(file)
  path = File.dirname(file)
  name = File.basename(file, '.erb')
  id = id(name)

  out = "#{path}/#{id}.json"

  puts "Templating data bag item #{path}/#{name}" unless @be_quiet

  template = File.read(file)
  template = Erubis::Eruby.new(template)

  File.write(out, template.result)
end