Class: Template::Create

Inherits:
Object
  • Object
show all
Defined in:
lib/template.rb

Instance Method Summary collapse

Constructor Details

#initialize(profile_path, new_template_path) ⇒ Create

include Extras



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# File 'lib/template.rb', line 10

def initialize(profile_path, new_template_path)
  # Parse options
  params,files = parseopts(ARGV)

  # Log it
  @log   = Logger.new(STDOUT) 
  @log.level = params[:logger_level] || Logger::INFO
  if params[:logger_level] == Logger::DEBUG
    debug("Logger set to DEBUG")
  else
    info("Logger set to INFO")
  end
  
  # Init some class vars
  @new_template_path   = files[1] 
  @profile_path    = files[0]
  @keys      = Hash.new 
  @data_groups   = Hash.new 
  @data_groups["unknown"] = @current_group = []
  @cwd = File.expand_path File.dirname(__FILE__)
  

  # Kick back to stdout 
  debug("In init definition")
  info("Creating new template for #{@profile_path}")
  info("New template path #{@new_template_path}")

  # Run it 
  parse()
  debug(@data_groups)
  write()
end

Instance Method Details

#debug(message) ⇒ Object 



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# File 'lib/template.rb', line 129

def debug(message)
  @log.debug(message)
end

#error(message) ⇒ Object 



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# File 'lib/template.rb', line 124

def error(message)
  @log.error(message)
  abort 
end

#info(message) ⇒ Object 



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# File 'lib/template.rb', line 137

def info(message)
  @log.info(message)
end

#parse ⇒ Object 



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# File 'lib/template.rb', line 60

def parse
  info("Parsing #{@profile_path}")
  profile = File.open(@profile_path)

  # For each data grouop, parse the file
  profile.each_line do |line| 
    catch :unknown_group do 
      # If the line matches the data group, init a new array for the keys in that data group
      if line.match(/\#\[/)
        debug("Data group found on line: #{line}")
        data_group = line.split('[').last.delete(']').chomp
        info("Creating data group: #{data_group}") 
        @data_groups[data_group] = @current_group = []
        debug("Data groups now include: #{@data_groups}")

      # For all other lines, parse it for keys
      elsif line.match(/hiera\(/)
        debug("Current data group being added to: #{@current_group}")
        debug("Data item found: #{line}")
        data = line.split("(").last.chomp
        data.delete! (")")
        data.delete! ("\"")
        data.delete! ("'")
        data.delete! (",")
        
        @current_group << data
        
        info("Adding #{data}")
        debug("Adding #{data} to #{@current_group} hash")
      end
    end
  end
end

#parseopts(argv) ⇒ Object 



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# File 'lib/template.rb', line 43

def parseopts(argv)
  params = {}
  parser = OptionParser.new 

  parser.on("-D") { 
    params[:logger_level] = Logger::DEBUG
  }

  parser.on("-s") { 
    params[:squeeze_extra_newlines] = true               
  }

  files = parser.parse(ARGV)

  [params,files]
end

#verify(path) ⇒ Object 



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# File 'lib/template.rb', line 118

def verify(path)
  unless path.absolute?
    error("Path #{path} must be absolute")
  end
end

#warn(message) ⇒ Object 



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# File 'lib/template.rb', line 133

def warn(message)
  @log.warn(message)
end

#write ⇒ Object 



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# File 'lib/template.rb', line 94

def write
  # Create dotdir if needed:
  unless Dir.exists?("#{Dir.home}/.hiera-template")
    Dir.mkdir(File.join(Dir.home, '.hiera-template'), 0755)
  end
  unless Dir.exists?("#{Dir.home}/.hiera-template/templates")
    Dir.mkdir("#{Dir.home}/.hiera-template/templates", 0755)
  end

  temp_path = "#{Dir.home}/.hiera-template/templates"
  profile_name = @profile_path.split("/").last.split(".").first

  @data_groups.each do |k,v|
    write_hash = Hash.new
    v.each do |key|
      write_hash[key] = nil
    end
    info("Writing keys to new template #{temp_path}/#{profile_name}-#{k}-template.yaml")
    template = File.open("#{temp_path}/#{profile_name}-#{k}-template.yaml", "w")
    template.write(write_hash.to_yaml)
    template.close
  end
end