Class: Vagrant::Action::Up

Inherits:
Object show all
Defined in:
lib/vagrant-dnsmasq/actions.rb

Instance Method Summary collapse

Constructor Details

#initialize(app, env) ⇒ Up

Returns a new instance of Up.



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# File 'lib/vagrant-dnsmasq/actions.rb', line 5

def initialize(app, env)
  @app = app
  @machine = env[:machine]
  @ips = nil
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/vagrant-dnsmasq/actions.rb', line 11

def call(env)
  if @machine.config.dnsmasq.enabled?
    env[:ui].info "Dnsmasq handler actived"

    @ip = @machine.config.dnsmasq.ip

    # is a proc?
    if @ip.is_a? Proc
      ips = @ip.call(@machine)
      ips = [ips] unless ips.is_a? Array
      ips.map!{|ip| begin Ip.new(ip) rescue nil end}.compact! # dismiss invalid ips
      @ip = ips
    end
    
    if @ip.is_a?(Array) && @ip.count > 0
      # @ip is an array with domain instances ...

      if @ip.count > 1
        # prompt: choose ip
        ask = true
        while(ask)
          env[:ui].info "Dnsmasq handler asks: Which IP would you like to use?"
          i = 0
          @ip.each do |ip|
            i += 1
            env[:ui].info "(#{i}) #{ip.v4}"
          end
          env[:ui].info "Please type number [1-#{i}]: "
          answer = $stdin.gets.strip.to_i - 1
          use_ip = @ip.at(answer)
          ask = false unless use_ip.nil? 
        end

      else
        use_ip = @ip[0]
      end

      # use ip to update dnsmasq.conf and /etc/resolver

      # update dnsmasq.conf
      dnsmasq = DnsmasqConf.new(@machine.config.dnsmasq.dnsmasqconf, @machine.config.dnsmasq.reload_command)
      dnsmasq.insert(@machine.config.dnsmasq.domain, use_ip)
      
      # update /etc/resolver
      resolver = Resolver.new(@machine.config.dnsmasq.resolver, true) # true for sudo
      resolver.insert(@machine.config.dnsmasq.domain, Ip.new('127.0.0.1'))

      env[:ui].success "Dnsmasq handler set IP '#{use_ip}' for domain '#{@machine.config.dnsmasq.domain.dotted}'"

    else
      env[:ui].warn "Dnsmasq handler was not able to determine an IP address"
    end

    @app.call(env)
  end
end