Class: ChefMetalVagrant::VagrantDriver

Inherits:
ChefMetal::Driver
  • Object
show all
Includes:
Chef::Mixin::ShellOut
Defined in:
lib/chef_metal_vagrant/vagrant_driver.rb

Overview

Provisions machines in vagrant.

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(driver_url, config) ⇒ VagrantDriver

Create a new vagrant driver.

## Parameters cluster_path - path to the directory containing the vagrant files, which

should have been created with the vagrant_cluster resource.



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# File 'lib/chef_metal_vagrant/vagrant_driver.rb', line 24

def initialize(driver_url, config)
  super
  scheme, cluster_path = driver_url.split(':', 2)
  @cluster_path = cluster_path
end

Instance Attribute Details

#cluster_path ⇒ Object (readonly)

Returns the value of attribute cluster_path.



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# File 'lib/chef_metal_vagrant/vagrant_driver.rb', line 30

def cluster_path
  @cluster_path
end

Class Method Details

.canonicalize_url(driver_url, config) ⇒ Object 



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# File 'lib/chef_metal_vagrant/vagrant_driver.rb', line 36

def self.canonicalize_url(driver_url, config)
  scheme, cluster_path = driver_url.split(':', 2)
  cluster_path = File.expand_path(cluster_path || File.join(Chef::Config.config_dir, 'vms'))
  "vagrant:#{cluster_path}"
end

.from_url(driver_url, config) ⇒ Object 



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# File 'lib/chef_metal_vagrant/vagrant_driver.rb', line 32

def self.from_url(driver_url, config)
  VagrantDriver.new(driver_url, config)
end

.vagrant_config_string(vagrant_config, variable, line_prefix) ⇒ Object

Used by vagrant_cluster and machine to get the string used to configure vagrant



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# File 'lib/chef_metal_vagrant/vagrant_driver.rb', line 191

def self.vagrant_config_string(vagrant_config, variable, line_prefix)
  hostname = name.gsub(/[^A-Za-z0-9\-]/, '-')

  result = ''
  vagrant_config.each_pair do |key, value|
    result += "#{line_prefix}#{variable}.#{key} = #{value.inspect}\n"
  end
  result
end

Instance Method Details

#allocate_machine(action_handler, machine_spec, machine_options) ⇒ Object

Acquire a machine, generally by provisioning it. Returns a Machine object pointing at the machine, allowing useful actions like setup, converge, execute, file and directory.



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# File 'lib/chef_metal_vagrant/vagrant_driver.rb', line 45

def allocate_machine(action_handler, machine_spec, machine_options)
  ensure_vagrant_cluster(action_handler)
  vm_name = machine_spec.name
  vm_file_path = File.join(cluster_path, "#{machine_spec.name}.vm")
  vm_file_updated = create_vm_file(action_handler, vm_name, vm_file_path, machine_options)
  if vm_file_updated || !machine_spec.location
    old_location = machine_spec.location
    machine_spec.location = {
      'driver_url' => driver_url,
      'driver_version' => ChefMetalVagrant::VERSION,
      'vm_name' => vm_name,
      'vm_file_path' => vm_file_path,
      'allocated_at' => Time.now.utc.to_s,
      'host_node' => action_handler.host_node
    }
    machine_spec.location['needs_reload'] = true if vm_file_updated
    if machine_options[:vagrant_options]
      %w(vm.guest winrm.host winrm.port winrm.username winrm.password).each do |key|
        machine_spec.location[key] = machine_options[:vagrant_options][key] if machine_options[:vagrant_options][key]
      end
    end
    machine_spec.location['chef_client_timeout'] = machine_options[:chef_client_timeout] if machine_options[:chef_client_timeout]
  end
end

#connect_to_machine(machine_spec, machine_options) ⇒ Object

Connect to machine without acquiring it



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# File 'lib/chef_metal_vagrant/vagrant_driver.rb', line 76

def connect_to_machine(machine_spec, machine_options)
  machine_for(machine_spec, machine_options)
end

#destroy_machine(action_handler, machine_spec, machine_options) ⇒ Object 



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# File 'lib/chef_metal_vagrant/vagrant_driver.rb', line 80

def destroy_machine(action_handler, machine_spec, machine_options)
  if machine_spec.location
    vm_name = machine_spec.location['vm_name']
    current_status = vagrant_status(vm_name)
    if current_status != 'not created'
      action_handler.perform_action "run vagrant destroy -f #{vm_name} (status was '#{current_status}')" do
        result = shell_out("vagrant destroy -f #{vm_name}", :cwd => cluster_path)
        if result.exitstatus != 0
          raise "vagrant destroy failed!\nSTDOUT:#{result.stdout}\nSTDERR:#{result.stderr}"
        end
      end
    end

    convergence_strategy_for(machine_spec, machine_options).
      cleanup_convergence(action_handler, machine_spec)

    vm_file_path = machine_spec.location['vm_file_path']
    ChefMetal.inline_resource(action_handler) do
      file vm_file_path do
        action :delete
      end
    end
  end
end

#destroy_machines(action_handler, specs_and_options, parallelizer) ⇒ Object 



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# File 'lib/chef_metal_vagrant/vagrant_driver.rb', line 131

def destroy_machines(action_handler, specs_and_options, parallelizer)
  all_names = []
  all_status = []
  all_outputs = {}
  specs_and_options.each_key do |spec|
    if spec.location
      vm_name = spec.location['vm_name']
      current_status = vagrant_status(vm_name)
      if current_status != 'not created'
        all_names.push(vm_name)
        all_status.push(current_status)
      end
    end
  end
  if all_names.length > 0
    names = all_names.join(" ")
    statuses = all_status.join(", ")
    action_handler.perform_action "run vagrant destroy -f #{names} (status was '#{statuses}')" do
      result = shell_out("vagrant destroy -f #{names}", :cwd => cluster_path)
      if result.exitstatus != 0
        raise "vagrant destroy failed!\nSTDOUT:#{result.stdout}\nSTDERR:#{result.stderr}"
      end
    end
  end
  specs_and_options.each_pair do |spec, options|
    convergence_strategy_for(spec, options).cleanup_convergence(action_handler, spec)

    vm_file_path = spec.location['vm_file_path']
    ChefMetal.inline_resource(action_handler) do
      file vm_file_path do
        action :delete
      end
    end
    yield spec if block_given?
  end
end

#driver_url ⇒ Object 



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# File 'lib/chef_metal_vagrant/vagrant_driver.rb', line 201

def driver_url
  "vagrant:#{cluster_path}"
end

#ready_machine(action_handler, machine_spec, machine_options) ⇒ Object 



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# File 'lib/chef_metal_vagrant/vagrant_driver.rb', line 70

def ready_machine(action_handler, machine_spec, machine_options)
  start_machine(action_handler, machine_spec, machine_options)
  machine_for(machine_spec, machine_options)
end

#ready_machines(action_handler, specs_and_options, parallelizer) ⇒ Object 



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# File 'lib/chef_metal_vagrant/vagrant_driver.rb', line 120

def ready_machines(action_handler, specs_and_options, parallelizer)
  start_machines(action_handler, specs_and_options)
  machines = []
  specs_and_options.each_pair do |spec, options|
    machine = machine_for(spec, options)
    machines << machine
    yield machine if block_given?
  end
  machines
end

#stop_machine(action_handler, machine_spec, machine_options) ⇒ Object 



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# File 'lib/chef_metal_vagrant/vagrant_driver.rb', line 105

def stop_machine(action_handler, machine_spec, machine_options)
  if machine_spec.location
    vm_name = machine_spec.location['vm_name']
    current_status = vagrant_status(vm_name)
    if current_status == 'running'
      action_handler.perform_action "run vagrant halt #{vm_name} (status was '#{current_status}')" do
        result = shell_out("vagrant halt #{vm_name}", :cwd => cluster_path)
        if result.exitstatus != 0
          raise "vagrant halt failed!\nSTDOUT:#{result.stdout}\nSTDERR:#{result.stderr}"
        end
      end
    end
  end
end

#stop_machines(action_handler, specs_and_options, parallelizer) ⇒ Object 



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# File 'lib/chef_metal_vagrant/vagrant_driver.rb', line 168

def stop_machines(action_handler, specs_and_options, parallelizer)
  all_names = []
  specs_and_options.each_key do |spec|
    if spec.location
      vm_name = spec.location['vm_name']
      current_status = vagrant_status(vm_name)
      if current_status == 'running'
        all_names.push(vm_name)
      end
    end
  end
  if all_names.length > 0
    names = all_names.join(" ")
    action_handler.perform_action "run vagrant halt #{names} (status was 'running')" do
      result = shell_out("vagrant halt #{names}", :cwd => cluster_path)
      if result.exitstatus != 0
        raise "vagrant halt failed!\nSTDOUT:#{result.stdout}\nSTDERR:#{result.stderr}"
      end
    end
  end
end