Class: VagrantPlugins::TerraformProvider::Action::WaitForVmUp

Inherits:
Object
  • Object
show all
Includes:
Util::TerraformExecute
Defined in:
lib/vagrant-terraform/action/wait_for_vm_up.rb

Overview

Wait till VM is started, till it obtains an IP address and is accessible via ssh.

Instance Method Summary collapse

Methods included from Util::TerraformExecute

terraform_execute

Constructor Details

#initialize(app, env) ⇒ WaitForVmUp

Returns a new instance of WaitForVmUp.



16
17
18
19
 
# File 'lib/vagrant-terraform/action/wait_for_vm_up.rb', line 16

def initialize(app, env)
  @logger = Log4r::Logger.new("vagrant_terraform::action::wait_for_vm_up")
  @app = app
end

Instance Method Details

#call(env) ⇒ Object 



38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
 
# File 'lib/vagrant-terraform/action/wait_for_vm_up.rb', line 38

def call(env)
  # Initialize metrics if they haven't been
  env[:metrics] ||= {}

  # Wait for VM to obtain an ip address.
  env[:metrics]["instance_ip_time"] = Util::Timer.time do
    env[:ui].info(I18n.t("vagrant_terraform.waiting_for_ip"))
    for attempt in 1..300
      # If we're interrupted don't worry about waiting
      next if env[:interrupted]

      output = terraform_execute(env, "terraform refresh")
      ip_addr = output.match(/\b(?:\d{1,3}\.){3}\d{1,3}\b/)&.to_s
      unless ip_addr.nil?
        env[:ui].info("Got IP (attempt #{attempt}): #{ip_addr}")
        # Check if SSH-Server is up
        if port_open?(ip_addr, 22)
          env[:ip_address] = ip_addr
          @logger.debug("Got output #{env[:ip_address]}")
          break
        end
      end
      sleep 2
    end
  end

  terminate(env) if env[:interrupted]

  if env[:ip_address].nil?
    env[:ui].error("failed to get IP: #{env[:metrics]["instance_ip_time"]}")
    raise Errors::NoIPError
  else
    @logger.info("Got IP address #{env[:ip_address]}")
    @logger.info("Time for getting IP: #{env[:metrics]["instance_ip_time"]}")

    # Booted and ready for use.
    env[:ui].info(I18n.t("vagrant_terraform.ready"))

    @app.call(env)
  end
end

#port_open?(ip, port, seconds = 10) ⇒ Boolean

Returns:

  • (Boolean) 


21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
 
# File 'lib/vagrant-terraform/action/wait_for_vm_up.rb', line 21

def port_open?(ip, port, seconds=10)
  # => checks if a port is open or not on a remote host
  Timeout::timeout(seconds) do
    begin
      TCPSocket.new(ip, port).close
      @logger.info("SSH Check OK for IP: #{ip}")
      true
    rescue Errno::ECONNREFUSED, Errno::EHOSTUNREACH, SocketError => e
      @logger.info("SSH Connection Failed for IP #{ip}: #{e}")
      false
    end
  end
rescue Timeout::Error
  @logger.info("SSH Connection Failed: Timeout for IP: #{ip}" )
  false
end

#recover(env) ⇒ Object 



80
81
82
83
84
85
86
87
 
# File 'lib/vagrant-terraform/action/wait_for_vm_up.rb', line 80

def recover(env)
  return if env["vagrant.error"].is_a?(Vagrant::Errors::VagrantError)

  if env[:machine].provider.state.id != :not_created
    # Undo the import
    terminate(env)
  end
end

#terminate(env) ⇒ Object 



89
90
91
92
93
94
95
 
# File 'lib/vagrant-terraform/action/wait_for_vm_up.rb', line 89

def terminate(env)
  destroy_env = env.dup
  destroy_env.delete(:interrupted)
  destroy_env[:config_validate] = false
  destroy_env[:force_confirm_destroy] = true
  env[:action_runner].run(Action.action_destroy, destroy_env)
end