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Versions: 11
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Contents
module Vagrant
# This class represents the active list of vagrant virtual
# machines.
class ActiveList
FILENAME = "active.json"
@@list = nil
# The environment this active list belongs to
attr_accessor :env
# Creates the instance of the ActiveList, with the given environment
# if specified
def initialize(env=nil)
@env = env
end
# Parses and returns the list of UUIDs from the active VM
# JSON file. This will cache the result, which can be reloaded
# by setting the `reload` parameter to true.
#
# @return [Array<String>]
def list(reload=false)
return @list unless @list.nil? || reload
@list ||= []
return @list unless File.file?(path)
File.open(path, "r") do |f|
@list = JSON.parse(f.read)
end
@list
end
# Returns an array of {Vagrant::VM} objects which are currently
# active.
def vms
list.collect { |uuid| Vagrant::VM.find(uuid) }.compact
end
# Returns an array of UUIDs filtered so each is verified to exist.
def filtered_list
vms.collect { |vm| vm.uuid }
end
# Adds a virtual environment to the list of active virtual machines
def add(vm)
list << vm.uuid
list.uniq!
save
end
# Remove a virtual environment from the list of active virtual machines
def remove(vm)
vm = vm.uuid if vm.is_a?(Vagrant::VM)
list.delete(vm)
save
end
# Persists the list down to the JSON file.
def save
File.open(path, "w+") do |f|
f.write(filtered_list.to_json)
end
end
# Returns the path to the JSON file which holds the UUIDs of the
# active virtual machines managed by Vagrant.
def path
File.join(env.home_path, FILENAME)
end
end
end
Version data entries
11 entries across 11 versions & 3 rubygems