vagrant/plugins/providers/virtualbox/action/forward_ports.rb

93 lines
3.2 KiB
Ruby

module VagrantPlugins
module ProviderVirtualBox
module Action
class ForwardPorts
def initialize(app, env)
@app = app
end
#--------------------------------------------------------------
# Execution
#--------------------------------------------------------------
def call(env)
@env = env
# Get the ports we're forwarding
ports = forward_port_definitions
# Warn if we're port forwarding to any privileged ports...
threshold_check(ports)
env[:ui].info I18n.t("vagrant.actions.vm.forward_ports.forwarding")
forward_ports(ports)
@app.call(env)
end
# This returns an array of forwarded ports with overrides properly
# squashed.
def forward_port_definitions
# Get all the port mappings in the order they're defined and
# organize them by their guestport, taking the "last one wins"
# approach.
guest_port_mapping = {}
@env[:machine].config.vm.forwarded_ports.each do |options|
guest_port_mapping[options[:guestport]] = options
end
# Return the values, since the order doesn't really matter
guest_port_mapping.values
end
# This method checks for any forwarded ports on the host below
# 1024, which causes the forwarded ports to fail.
def threshold_check(ports)
ports.each do |options|
if options[:hostport] <= 1024
@env[:ui].warn I18n.t("vagrant.actions.vm.forward_ports.privileged_ports")
return
end
end
end
def forward_ports(mappings)
ports = []
interfaces = @env[:machine].provider.driver.read_network_interfaces
mappings.each do |options|
message_attributes = {
:guest_port => options[:guestport],
:host_port => options[:hostport],
:adapter => options[:adapter]
}
# Assuming the only reason to establish port forwarding is
# because the VM is using Virtualbox NAT networking. Host-only
# bridged networking don't require port-forwarding and establishing
# forwarded ports on these attachment types has uncertain behaviour.
@env[:ui].info(I18n.t("vagrant.actions.vm.forward_ports.forwarding_entry",
message_attributes))
# Port forwarding requires the network interface to be a NAT interface,
# so verify that that is the case.
if interfaces[options[:adapter]][:type] != :nat
@env[:ui].info(I18n.t("vagrant.actions.vm.forward_ports.non_nat",
message_attributes))
next
end
# Add the options to the ports array to send to the driver later
ports << options.merge(:name => options[:name], :adapter => options[:adapter])
end
if !ports.empty?
# We only need to forward ports if there are any to forward
@env[:machine].provider.driver.forward_ports(ports)
end
end
end
end
end
end