84 lines
2.4 KiB
Ruby
84 lines
2.4 KiB
Ruby
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module Vagrant
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module LXC
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module Action
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class ForwardPorts
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def initialize(app, env)
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@app = app
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@logger = Log4r::Logger.new("vagrant::lxc::action::forward_ports")
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end
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def call(env)
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@env = env
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# Continue, we need the VM to be booted in order to grab its IP
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@app.call env
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# Get the ports we're forwarding
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env[:forwarded_ports] = compile_forwarded_ports(env[:machine].config)
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# Warn if we're port forwarding to any privileged ports
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env[:forwarded_ports].each do |fp|
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if fp[:host] <= 1024
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env[:ui].warn I18n.t("vagrant.actions.vm.forward_ports.privileged_ports")
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break
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end
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end
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env[:ui].info I18n.t("vagrant.actions.vm.forward_ports.forwarding")
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forward_ports
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end
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def forward_ports
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@container_ip = @env[:machine].provider.container.assigned_ip
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@env[:forwarded_ports].each do |fp|
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message_attributes = {
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# TODO: Add support for multiple adapters
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:adapter => 'eth0',
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:guest_port => fp[:guest],
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:host_port => fp[:host]
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}
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# TODO: Remove adapter from logging
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@env[:ui].info(I18n.t("vagrant.actions.vm.forward_ports.forwarding_entry",
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message_attributes))
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redir_pid = redirect_port(fp[:host], fp[:guest])
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store_redir_pid(fp[:host], redir_pid)
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end
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end
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private
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def compile_forwarded_ports(config)
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mappings = {}
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config.vm.networks.each do |type, options|
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if type == :forwarded_port
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mappings[options[:host]] = options
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end
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end
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mappings.values
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end
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def redirect_port(host, guest)
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redir_cmd = "sudo redir --laddr=127.0.0.1 --lport=#{host} --cport=#{guest} --caddr=#{@container_ip}"
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@logger.debug "Forwarding port with `#{redir_cmd}`"
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fork { exec redir_cmd }
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end
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def store_redir_pid(host_port, redir_pid)
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data_dir = @env[:machine].data_dir.join('pids')
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data_dir.mkdir unless data_dir.directory?
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data_dir.join("redir_#{host_port}.pid").open('w') do |pid_file|
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pid_file.write(redir_pid)
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end
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end
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end
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end
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end
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end
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