Class: VagrantChefnode::Command

Inherits:
Object
  • Object
show all
Defined in:
lib/vagrant-chefnode/command.rb

Instance Method Summary collapse

Constructor Details

#initialize(app, env) ⇒ Command

Returns a new instance of Command.



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# File 'lib/vagrant-chefnode/command.rb', line 7

def initialize(app, env)
  @app = app
  @env = env
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/vagrant-chefnode/command.rb', line 12

def call(env)
  require 'chef'
  require 'chef/config'
  require 'chef/knife'
  knife_config = File.expand_path("../../../../../../.chef/knife.rb", File.dirname(__FILE__))
  ::Chef::Config.from_file(knife_config)

  chef_server_url = ::Chef::Config[:chef_server_url]
  defined_chef_server_url = ""

  provisioners = env[:machine].config.vm.provisioners.map do |provisioner|
    if provisioner.name == :chef_client then
      defined_chef_server_url = provisioner.config.chef_server_url
    end
  end

  if chef_server_url == "" || defined_chef_server_url == "" || chef_server_url != defined_chef_server_url then
    @app.call(env)
    return
  end

  node = env[:machine].config.vm.hostname
  message = "Are you sure you want to remove node and client named '#{node}' from chef server ? [y/N] "
  choice = env[:ui].ask(message)
  if choice.upcase != "Y" then
    @app.call(env)
    return
  end

  ["client", "node"].each do |elm|
    env[:ui].info "Attempting to remove #{elm} '#{node}' from chef server."
    begin
      ::Chef::REST.new(chef_server_url).delete_rest("#{elm}s/#{node}")
    rescue Net::HTTPServerException => e
      if e.message == '404 "Not Found"'
        env[:ui].info "#{elm} '#{node}' not found."
      else
        env[:ui].error "An error occured. You will have to remove the #{elm} manually."
      end
    rescue Exception => e
        env[:ui].error "An error occured. You will have to remove the #{elm} manually."
    else
      env[:ui].info "#{elm} '#{node}' successfully removed from chef server."
    end
  end

  @app.call(env)
end