Class: Foreplay::Engine::Step

Inherits:
Object
  • Object
show all
Defined in:
lib/foreplay/engine/step.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(s, i) ⇒ Step

Returns a new instance of Step.



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# File 'lib/foreplay/engine/step.rb', line 4

def initialize(s, i)
  @step = s
  @instructions = i
end

Instance Attribute Details

#instructions ⇒ Object (readonly)

Returns the value of attribute instructions.



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# File 'lib/foreplay/engine/step.rb', line 2

def instructions
  @instructions
end

#step ⇒ Object (readonly)

Returns the value of attribute step.



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# File 'lib/foreplay/engine/step.rb', line 2

def step
  @step
end

Instance Method Details

#build ⇒ Object 



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# File 'lib/foreplay/engine/step.rb', line 9

def build
  # Each step can be (1) a command or (2) a series of values to add to a file
  if step.key?('key')
    instructions.key?(step['key']) ? build_commands(step, instructions) : []
  else
    # ...or just execute the command specified
    [step['command']]
  end
end

#build_commands(step, instructions) ⇒ Object 



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# File 'lib/foreplay/engine/step.rb', line 19

def build_commands(step, instructions)
  # Add values from the config file to a file on the remote machine
  key       = step['key']
  prefix    = step['prefix'] || ''
  suffix    = step['suffix'] || ''
  path      = step['path'] || ''
  before    = step['before'] || ''
  delimiter = step['delimiter'] || ''
  after     = step['after'] || ''

  step['silent'] = true
  filename = "#{path}#{prefix}#{key}#{suffix}"

  if step.key?('header')
    commands  = ["echo \"#{step['header']}\" > #{filename}"]
    redirect  = '>>'
  else
    commands  = []
    redirect  = '>'
  end

  if instructions[key].is_a? Hash
    instructions[key].each do |k, v|
      commands << "echo \"#{before}#{k}#{delimiter}#{v}#{after}\" #{redirect} #{filename}"
      redirect = '>>'
    end
  else
    commands << "echo \"#{before}#{delimiter}#{instructions[key]}#{after}\" #{redirect} #{filename}"
    redirect = '>>'
  end

  commands
end