vagrant-hostmanager/lib/vagrant-hostmanager/hosts_file.rb

90 lines
3.1 KiB
Ruby

module VagrantPlugins
module HostManager
module HostsFile
# Generate a hosts file containing the the active machines
# in the Vagrant environment backed by the specified provider.
# The file is written to the Vagrant temporary path.
def generate(env, provider)
machines = []
# define a lambda for looking up a machine's ip address
get_ip_address = lambda do |machine|
ip = nil
if machine.config.hostmanager.ignore_private_ip != true
machine.config.vm.networks.each do |network|
key, options = network[0], network[1]
ip = options[:ip] if key == :private_network
next if ip
end
end
ip || (machine.ssh_info ? machine.ssh_info[:host] : nil)
end
# create the temporary hosts file
path = env.tmp_path.join('hosts')
File.open(path, 'w') do |file|
file << "127.0.0.1\tlocalhost\slocalhost.localdomain\n"
get_machines(env, provider).each do |name, p|
if provider == p
machines << machine = env.machine(name, provider)
host = machine.config.vm.hostname || name
ip = get_ip_address.call(machine)
if ip
host_aliases = machine.config.hostmanager.aliases.join("\s").chomp
machine.env.ui.info I18n.t('vagrant_hostmanager.action.add_host', {
:ip => ip,
:host => host,
:aliases => host_aliases,
})
file << "#{ip}\t#{host}\s#{host_aliases}\n"
else
machine.env.ui.warn I18n.t('vagrant_hostmanager.action.host_no_ip', {
:name => name,
})
end
end
end
end
machines
end
# Copy the temporary hosts file to the specified machine overwritting
# the existing /etc/hosts file.
def update(machine)
path = machine.env.tmp_path.join('hosts')
if machine.communicate.ready?
machine.env.ui.info I18n.t('vagrant_hostmanager.action.update', {
:name => machine.name
})
machine.communicate.upload(path, '/tmp/hosts')
machine.communicate.sudo("mv /tmp/hosts /etc/hosts")
end
end
private
# Either use the active machines, or loop over all available machines and
# get those with the same provider (aka, ignore boxes that throw MachineNotFound errors).
#
# Returns an array with the same structure as env.active_machines:
# [ [:machine, :virtualbox], [:foo, :virtualbox] ]
def get_machines(env, provider)
if env.config_global.hostmanager.include_offline?
machines = []
env.machine_names.each do |name|
begin
m = env.machine(name, provider)
machines << [name, provider]
rescue Vagrant::Errors::MachineNotFound => ex
# ignore this box.
end
end
machines
else
env.active_machines
end
end
end
end
end