Class: Configspec::Setup

Inherits:
Object
  • Object
show all
Defined in:
lib/configspec/setup.rb

Class Method Summary collapse

Class Method Details

.ask_os_type ⇒ Object 



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# File 'lib/configspec/setup.rb', line 45

def self.ask_os_type
  prompt = "Select OS type:\n\n  1) UN*X\n  2) Windows\n\nSelect number: \n"

  print prompt.chop
  num = $stdin.gets.to_i - 1
  puts

  @os_type = [ 'UN*X', 'Windows' ][num] || 'UN*X'
end

.ask_unix_backend ⇒ Object 



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# File 'lib/configspec/setup.rb', line 62

def self.ask_unix_backend
  prompt = "Select a backend type:\n\n  1) SSH\n  2) Exec (local)\n  3) Dockerfile\n\nSelect number: \n"
  print prompt.chop
  num = $stdin.gets.to_i - 1
  puts

  @backend_type = [ 'Ssh', 'Exec', 'Dockerfile' ][num] || 'Exec'
end

.ask_windows_backend ⇒ Object 



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# File 'lib/configspec/setup.rb', line 79

def self.ask_windows_backend
  prompt = "Select a backend type:\n\n  1) WinRM\n  2) Cmd (local)\n\nSelect number: \n"
  print prompt.chop
  num = $stdin.gets.to_i - 1
  puts

  @backend_type = [ 'WinRM', 'Cmd' ][num] || 'Exec'
end

.auto_vagrant_configuration ⇒ Object 



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# File 'lib/configspec/setup.rb', line 174

def self.auto_vagrant_configuration
  if find_vagrantfile
    vagrant_list = `vagrant status`
    list_of_vms = []
    if vagrant_list != ''
      vagrant_list.each_line do |line|
        if match = /([a-z_-]+[\s]+)(created|not created|poweroff|running|saved)[\s](\(virtualbox\)|\(vmware\))/.match(line)
          list_of_vms << match[1].strip!
        end
      end
      if list_of_vms.length == 1
        @hostname = list_of_vms[0]
      else
        list_of_vms.each_with_index { |vm, index | puts "#{index}) #{vm}\n" }
        print "Choose a VM from the Vagrantfile: "
        chosen_vm = $stdin.gets.chomp
        @hostname = list_of_vms[chosen_vm.to_i]
      end
    else
      $stderr.puts "Vagrant status error - Check your Vagrantfile or .vagrant"
      exit 1
    end
  else
    $stderr.puts "Vagrantfile not found in directory!"
    exit 1
  end
end

.find_vagrantfile ⇒ Object 



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# File 'lib/configspec/setup.rb', line 166

def self.find_vagrantfile
  Pathname.new(Dir.pwd).ascend do |dir|
    path = File.expand_path("Vagrantfile", dir)
    return path if File.exists?(path)
  end
  nil
end

.run ⇒ Object 



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# File 'lib/configspec/setup.rb', line 6

def self.run

  # ask_os_type
  @os_type = 'UN*X'

  if @os_type == 'UN*X'
    ask_unix_backend
  else
    ask_windows_backend
  end

  if @backend_type == 'Ssh'
    print "Vagrant instance y/n: "
    @vagrant = $stdin.gets.chomp
    if @vagrant =~ (/(true|t|yes|y|1)$/i)
      @vagrant = true
      print "Auto-configure Vagrant from Vagrantfile? y/n: "
      auto_config = $stdin.gets.chomp
      if auto_config =~ (/(true|t|yes|y|1)$/i)
        auto_vagrant_configuration
      else
        print("Input vagrant instance name: ")
        @hostname = $stdin.gets.chomp
      end
    else
      @vagrant = false
      print("Input target host name: ")
      @hostname = $stdin.gets.chomp
    end
  elsif @backend_type == 'Exec'
    @hostname = 'localhost'
  end

  [ 'spec', "spec/#{@hostname}" ].each { |dir| safe_mkdir(dir) }
  safe_create_spec
  safe_create_spec_helper
  safe_create_rakefile
end

.safe_create_rakefile ⇒ Object 



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# File 'lib/configspec/setup.rb', line 144

def self.safe_create_rakefile
  content = "require 'rake'\nrequire 'rspec/core/rake_task'\n\nRSpec::Core::RakeTask.new(:spec) do |t|\n  t.pattern = 'spec/*/*_spec.rb'\nend\n"
  if File.exists? 'Rakefile'
    old_content = File.read('Rakefile')
    if old_content != content
      $stderr.puts "!! Rakefile already exists and differs from template"
    end
  else
    File.open('Rakefile', 'w') do |f|
      f.puts content
    end
    puts ' + Rakefile'
  end
end

.safe_create_spec ⇒ Object 



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# File 'lib/configspec/setup.rb', line 95

def self.safe_create_spec
  content = "require 'spec_helper'\n\ndescribe package('httpd') do\n  it { should be_installed }\nend\n"

  if File.exists? "spec/#{@hostname}/001_httpd_spec.rb"
    old_content = File.read("spec/#{@hostname}/001_httpd_spec.rb")
    if old_content != content
      $stderr.puts "!! spec/#{@hostname}/httpd_spec.rb already exists and differs from template"
    end
  else
    File.open("spec/#{@hostname}/001_httpd_spec.rb", 'w') do |f|
      f.puts content
    end
    puts " + spec/#{@hostname}/001_httpd_spec.rb"
  end
end

.safe_create_spec_helper ⇒ Object 



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# File 'lib/configspec/setup.rb', line 128

def self.safe_create_spec_helper
  requirements = []
  content = ERB.new(spec_helper_template, nil, '-').result(binding)
  if File.exists? 'spec/spec_helper.rb'
    old_content = File.read('spec/spec_helper.rb')
    if old_content != content
      $stderr.puts "!! spec/spec_helper.rb already exists and differs from template"
    end
  else
    File.open('spec/spec_helper.rb', 'w') do |f|
      f.puts content
    end
    puts ' + spec/spec_helper.rb'
  end
end

.safe_mkdir(dir) ⇒ Object 



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# File 'lib/configspec/setup.rb', line 117

def self.safe_mkdir(dir)
  if File.exists? dir
    unless File.directory? dir
      $stderr.puts "!! #{dir} already exists and is not a directory"
    end
  else
    FileUtils.mkdir dir
    puts " + #{dir}/"
  end
end

.spec_helper_template ⇒ Object 



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# File 'lib/configspec/setup.rb', line 202

def self.spec_helper_template
  template = "require 'configspec'\n<% if @os_type == 'UN*X' and @backend_type != 'Dockerfile' -%>\nrequire 'pathname'\n<% end -%>\n<% if @backend_type == 'Ssh' -%>\nrequire 'net/ssh'\n<% end -%>\n<% if @backend_type == 'WinRM' -%>\nrequire 'winrm'\n<% end -%>\n\n<% if @backend_type == 'Dockerfile' -%>\ninclude Configspec::Helper::<%= @backend_type %>\n<% else -%>\ninclude SpecInfra::Helper::<%= @backend_type %>\n<% end -%>\n<% if @os_type == 'UN*X' && @backend_type != 'Dockerfile' -%>\ninclude SpecInfra::Helper::DetectOS\n<% else  -%>\ninclude SpecInfra::Helper::RedHat\n<% end -%>\n\n<% if @os_type == 'UN*X' && @backend_type != 'Dockerfile' -%>\nRSpec.configure do |c|\n  if ENV['ASK_SUDO_PASSWORD']\nrequire 'highline/import'\nc.sudo_password = ask(\"Enter sudo password: \") { |q| q.echo = false }\n  else\nc.sudo_password = ENV['SUDO_PASSWORD']\n  end\n  <%- if @backend_type == 'Ssh' -%>\n  c.before :all do\nblock = self.class.metadata[:example_group_block]\nif RUBY_VERSION.start_with?('1.8')\n  file = block.to_s.match(/.*@(.*):[0-9]+>/)[1]\nelse\n  file = block.source_location.first\nend\nhost  = File.basename(Pathname.new(file).dirname)\nif c.host != host\n  c.ssh.close if c.ssh\n  c.host  = host\n  options = Net::SSH::Config.for(c.host)\n  user    = options[:user] || Etc.getlogin\n<%- if @vagrant -%>\n  vagrant_up = `vagrant up \#{@hostname}`\n  config = `vagrant ssh-config \#{@hostname}`\n  if config != ''\n    config.each_line do |line|\n      if match = /HostName (.*)/.match(line)\n        host = match[1]\n      elsif  match = /User (.*)/.match(line)\n        user = match[1]\n      elsif match = /IdentityFile (.*)/.match(line)\n        options[:keys] =  [match[1].gsub(/\\\"/,'')]\n      elsif match = /Port (.*)/.match(line)\n        options[:port] = match[1]\n      end\n    end\n  end\n<%- end -%>\n  c.ssh   = Net::SSH.start(host, user, options)\nend\n  end\n  <%- end -%>\nend\n<% end -%>\n<% if @backend_type == 'WinRM'-%>\nRSpec.configure do |c|\n  user = <username>\n  pass = <password>\n  endpoint = \"http://<hostname>:5985/wsman\"\n\n  c.winrm = ::WinRM::WinRMWebService.new(endpoint, :ssl, :user => user, :pass => pass, :basic_auth_only => true)\n  c.winrm.set_timeout 300 # 5 minutes max timeout for any operation\nend\n<% end -%>\n"
  template
end