Class: Vmpooler::Providers

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

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.installed_providers ⇒ Array

Returns - returns an array of gem names that contain a provider.

Returns:

  • (Array) —

    • returns an array of gem names that contain a provider



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# File 'lib/vmpooler/providers.rb', line 23

def self.installed_providers
  self.new.vmpooler_provider_gem_list.map(&:name)
end

.load_all_providers ⇒ Array

ie. [“lib/vmpooler/providers/base.rb”, “lib/vmpooler/providers/dummy.rb”, “lib/vmpooler/providers/vsphere.rb”] although these files can come from any gem

Returns:

  • (Array) —

    • array of provider files



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# File 'lib/vmpooler/providers.rb', line 18

def self.load_all_providers
  self.new.load_from_gems
end

.load_by_name(names) ⇒ Array

ie. [“lib/vmpooler/providers/base.rb”, “lib/vmpooler/providers/dummy.rb”, “lib/vmpooler/providers/vsphere.rb”]

Parameters:

  • names (Array) —

    • an array of names or string name of a provider

Returns:

  • (Array) —

    • list of provider files loaded



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# File 'lib/vmpooler/providers.rb', line 9

def self.load_by_name(names)
  names = Array(names)
  instance = self.new
  names.map {|name| instance.load_from_gems(name)}.flatten
end

Instance Method Details

#load_from_gems(name = nil) ⇒ Array[String]

Internal: Find any gems containing vmpooler provider plugins and load the main file in them.

Parameters:

  • name (String) (defaults to: nil) —

    • the name of the provider to load

Returns:

  • (Array[String]) —

    • a array of provider files



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# File 'lib/vmpooler/providers.rb', line 36

def load_from_gems(name = nil)
  paths = gem_directories.map do |gem_path|
    # we don't exactly know if the provider name matches the main file name that should be loaded
    # so we use globs to get everything like the name
    # this could mean that vsphere5 and vsphere6 are loaded when only vsphere5 is used
    Dir.glob(File.join(gem_path, "*#{name}*.rb")).each do |file|
      require file
    end
  end
  paths.flatten
end

#vmpooler_provider_gem_list ⇒ Array

Returns a list of vmpooler providers gem plugin specs

Returns:

  • (Array) —

    returns a list of vmpooler providers gem plugin specs



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# File 'lib/vmpooler/providers.rb', line 28

def vmpooler_provider_gem_list
  gemspecs.find_all { |spec| File.directory?(File.join(spec.full_gem_path, provider_path)) } + included_lib_dirs
end