37 lines
1.1 KiB
Ruby

module Vagrant
module Command
module Helpers
# Initializes the environment by pulling the environment out of
# the configuration hash and sets up the UI if necessary.
def initialize_environment(args, options, config)
raise Errors::CLIMissingEnvironment.new if !config[:env]
@env = config[:env]
@env.ui = UI::Shell.new(@env, shell) if !@env.ui.is_a?(UI::Shell)
end
def require_environment
raise Errors::NoEnvironmentError.new if !env.root_path
end
# This returns an array of {VM} objects depending on the arguments
# given to the command.
def target_vms
require_environment
@target_vms ||= begin
if env.multivm?
return env.vms.values if !self.name
vm = env.vms[self.name.to_sym]
raise Errors::VMNotFoundError.new(:name => self.name) if !vm
else
raise Errors::MultiVMEnvironmentRequired.new if self.name
vm = env.vms.values.first
end
[vm]
end
end
end
end
end