2010-08-25 21:49:19 -07:00

37 lines
1.3 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 CLIMissingEnvironment.new("This command requires that a Vagrant environment be properly passed in as the last parameter.") 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 NoEnvironmentError.new("No Vagrant environment detected. Run `vagrant init` to set one up.") 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 VMNotFoundError.new("A VM by the name of `#{self.name}` was not found.") if !vm
else
raise MultiVMEnvironmentRequired.new("A multi-vm environment is required for name specification to a command.") if self.name
vm = env.vms.values.first
end
[vm]
end
end
end
end
end