Class: KnuckleCluster::Configuration

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

Constant Summary collapse

DEFAULT_PROFILE_FILE = 
File.join(ENV['HOME'],'.ssh/knuckle_cluster').freeze

Class Method Summary collapse

Class Method Details

.load_parameters(profile:, profile_file: nil) ⇒ Object 



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# File 'lib/knuckle_cluster/configuration.rb', line 5

def self.load_parameters(profile:, profile_file: nil)
  profile_file ||= DEFAULT_PROFILE_FILE
  raise "File #{profile_file} not found" unless File.exists?(profile_file)

  data = YAML.load_file(profile_file)

  unless data.keys.include?(profile)
    raise "Config file does not include profile for #{profile}"
  end

  #Figure out all the profiles to inherit from
  tmp_data = data[profile]
  profile_inheritance = [profile]
  while(tmp_data && tmp_data.keys.include?('profile'))
    profile_name = tmp_data['profile']
    break if profile_inheritance.include? profile_name
    profile_inheritance << profile_name
    tmp_data = data[profile_name]
  end

  #Starting at the very lowest profile, build an options hash
  output = {}
  profile_inheritance.reverse.each do |prof|
    output.merge!(data[prof] || {})
  end

  output.delete('profile')

  keys_to_symbols(output)
end