Module: Hieracles::Interpolate

Included in:
Node
Defined in:
lib/hieracles/interpolate.rb

Instance Method Summary collapse

Instance Method Details

#ask_about(var) ⇒ Object 



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# File 'lib/hieracles/interpolate.rb', line 22

def ask_about(var)
  @@output.puts
  @@output.puts "'#{var}' is not defined."
  @@output.puts "Is it missing in your ENC source?"
  @@output.puts "Maybe you should define a default value for that scope variable in your config file?"
  @@output.puts "Do you want to provide a temmporary value? [input value]"
  @@output.print "#{var} = "
  @@input.gets.chomp
end

#extract(data) ⇒ Object 



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# File 'lib/hieracles/interpolate.rb', line 15

def extract(data)
  data.scan(regex).reduce([]) do |a, m|
    a << m[1] unless a.include?(m[1])
    a
  end
end

#parse(data, values, interactive = false) ⇒ Object 



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# File 'lib/hieracles/interpolate.rb', line 4

def parse(data, values, interactive = false)
  data.gsub(regex) do |match|
    if interactive && !values[$2.to_sym]
      values[$2.to_sym] = ask_about($2)
      values[$2.to_sym]
    else
      values[$2.to_sym]
    end
  end
end

#regex ⇒ Object 



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# File 'lib/hieracles/interpolate.rb', line 38

def regex
  /%\{(?:(scope|hiera|literal|alias)\(['"])?(?:::)?([^\}"']*)(?:["']\))?\}/
end

#setio(input = STDIN, output = STDOUT) ⇒ Object

makes possible to set input and output



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# File 'lib/hieracles/interpolate.rb', line 33

def setio(input=STDIN, output=STDOUT)
  @@input = input
  @@output = output
end