Class: Fhcap::FHConfig

Inherits:
Object
  • Object
show all
Defined in:
lib/fhcap/misc/fh_config.rb

Direct Known Subclasses

JavaConfig, JsonConfig

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ FHConfig

Returns a new instance of FHConfig.



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# File 'lib/fhcap/misc/fh_config.rb', line 8

def initialize
  #ToDO Should really get rid of this extra config object and just use @node to store everything
  @config = {}
  @node = Fhcap::DummyNode.new
end

Instance Attribute Details

#config ⇒ Object

Returns the value of attribute config.



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# File 'lib/fhcap/misc/fh_config.rb', line 6

def config
  @config
end

#file ⇒ Object

Returns the value of attribute file.



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# File 'lib/fhcap/misc/fh_config.rb', line 6

def file
  @file
end

#node ⇒ Object

Returns the value of attribute node.



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# File 'lib/fhcap/misc/fh_config.rb', line 6

def node
  @node
end

Instance Method Details

#add(key, value, force = false, overrides = []) ⇒ Object 



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# File 'lib/fhcap/misc/fh_config.rb', line 14

def add(key, value, force=false, overrides=[])
  if force || !@config.has_key?(key) || (overrides.include? key.join('.'))
    @config[key] = parse_value(value)
  end
end

#attribute_file_content(component, sort) ⇒ Object 



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# File 'lib/fhcap/misc/fh_config.rb', line 108

def attribute_file_content(component, sort)
  content = "# Default conf.rb attributes file, generated by fhcap, do not edit\n\n"
  @node.included_recipe_attributes.each do |recipe|
    content += "include_attribute '#{recipe}'\n"
  end
  self.to_chef_attributes(sort).collect do |key, value|
    content += "default['#{component}']['conf']#{key} = #{value}\n"
  end
  content
end

#from_attributes_file(component, filename, force = false) ⇒ Object 



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# File 'lib/fhcap/misc/fh_config.rb', line 99

def from_attributes_file(component, filename, force=false)
  @node.from_file(filename)
  conf = Fhcap::JsonConfig.new
  conf.from_json(@node.default_attrs[component][:conf].to_json)
  conf.config.each() do |k, v|
    add(k, v, force)
  end
end

#from_file(filename) ⇒ Object 



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# File 'lib/fhcap/misc/fh_config.rb', line 96

def from_file(filename)
end

#has_upper_recipe_override(key) ⇒ Object

Traverse the key and check it isn’t overridden at any point further up the chain



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# File 'lib/fhcap/misc/fh_config.rb', line 21

def has_upper_recipe_override(key)
  key.pop
  return true if @config.has_key?(key) && @config[key] =~ /RECIPE_OVERRIDE/
  has_upper_recipe_override(key) unless key.empty?
  false
end

#is_json?(value) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/fhcap/misc/fh_config.rb', line 88

def is_json?(value)
  begin
    !!JSON.parse(value)
  rescue
    false
  end
end

#parse_key(key) ⇒ Object 



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# File 'lib/fhcap/misc/fh_config.rb', line 64

def parse_key(key)
  key
end

#parse_value(value) ⇒ Object 



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# File 'lib/fhcap/misc/fh_config.rb', line 68

def parse_value(value)
  if value =~ /^[0-9]+$/
    # Got a number
  elsif value =~ /^true$|^false$/
    #Take any quotes off around true/false
    return value.gsub("'", "")
  elsif value.is_a? String
    if is_json?(value)
      return JSON.parse(value).to_json.inspect
    elsif value.empty?
      return "\"\""
    else
      value.gsub!(/^"|"$|^'|'$/, "")
      #value.gsub!(/\\/, "")
      return "\"#{value}\""
    end
  end
  value
end

#to_chef_attributes(sort = false) ⇒ Object 



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# File 'lib/fhcap/misc/fh_config.rb', line 28

def to_chef_attributes(sort=false)
  attrs = {}
  if sort
    conf = {}
    @config.keys.sort.each do |key|
      conf[key] = @config[key]
    end
  else
    conf = @config
  end
  conf.each do |key, value|
    #Skip any keys that are being overridden further up the chain
    unless has_upper_recipe_override(key.clone)
      #Since we converted all node['blah'] to strings, we need to convert them back
      #Ahh. this is horrible, must be a better way to do this
      val = value.to_s
      val.gsub!(/node(\[['a-zA-Z0-9_-]*\])+/, '#{\&}')
      if val =~ /^"#\{node(\[['a-zA-Z0-9_-]*\])+\}"$/
        val.gsub!(/^"#\{|\}"$/, '')
      end

      val.gsub!(/node.chef_environment/, '#{\&}')
      if val =~ /^"#\{node.chef_environment\}"$/
        val.gsub!(/^"#\{|\}"$/, '')
      end

      if val =~ /^"\{\}"$/
        val.gsub!(/"/, '')
      end

      attrs[key.collect { |part| "['#{part}']" }.join()] = val
    end
  end
  attrs
end