Class: Appsignal::CLI::Install

Inherits:
Object
  • Object
show all
Extended by:
Helpers
Defined in:
lib/appsignal/cli/install.rb

Constant Summary collapse

EXCLUDED_ENVIRONMENTS = 
['test'].freeze

Class Method Summary collapse

Class Method Details

.configure(config, environments, name_overwritten) ⇒ Object 



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# File 'lib/appsignal/cli/install.rb', line 150

def configure(config, environments, name_overwritten)
  install_for_capistrano

  ENV["APPSIGNAL_APP_ENV"] = "development"

  puts "How do you want to configure AppSignal?"
  puts "  (1) a config file"
  puts "  (2) environment variables"
  loop do
    print "  Choose (1/2): "
    case ask_for_input
    when '1'
      puts
      print "Writing config file"
      periods
      puts
      puts colorize "  Config file written to config/appsignal.yml", :green
      write_config_file(
        :push_api_key => config[:push_api_key],
        :app_name => config[:name],
        :environments => environments
      )
      puts
      break
    when '2'
      ENV["APPSIGNAL_ACTIVE"] = "true"
      ENV["APPSIGNAL_PUSH_API_KEY"] = config[:push_api_key]
      ENV["APPSIGNAL_APP_NAME"] = config[:name]

      puts
      puts "Add the following environment variables to configure AppSignal:"
      puts "  export APPSIGNAL_PUSH_API_KEY=#{config[:push_api_key]}"
      if name_overwritten
        puts "  export APPSIGNAL_APP_NAME=#{config[:name]}"
      end
      puts
      puts "  See the documentation for more configuration options:"
      puts "  http://docs.appsignal.com/gem-settings/configuration.html"
      press_any_key
      break
    end
  end
end

.done_notice ⇒ Object 



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# File 'lib/appsignal/cli/install.rb', line 194

def done_notice
  sleep 0.3
  puts colorize "#####################################", :green
  puts colorize "## AppSignal installation complete ##", :green
  puts colorize "#####################################", :green
  sleep 0.3
  puts
  if Gem.win_platform?
    puts 'The AppSignal agent currently does not work on Windows, please push these changes to your test/staging/production environment'
  else
    puts "  Sending example data to AppSignal..."
    if Appsignal::Demo.transmit
      puts "  Example data sent!"
      puts "  It may take about a minute for the data to appear on https://appsignal.com/accounts"
      puts
      puts "  Please return to your browser and follow the instructions."
    else
      puts "  Couldn't start the AppSignal agent and send example data to AppSignal.com"
      puts "  Please use `appsignal diagnose` to debug your configuration."
    end
  end
end

.install_for_capistrano ⇒ Object 



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# File 'lib/appsignal/cli/install.rb', line 135

def install_for_capistrano
  capfile = File.join(Dir.pwd, 'Capfile')
  return unless File.exist?(capfile)
  return if File.read(capfile) =~ %r{require ['|"]appsignal/capistrano}

  puts 'Installing for Capistrano'
  print '  Adding AppSignal integration to Capfile'
  File.open(capfile, 'a') do |f|
    f.write "\nrequire 'appsignal/capistrano'\n"
  end
  periods
  puts
  puts
end

.install_for_grape(config) ⇒ Object 



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# File 'lib/appsignal/cli/install.rb', line 120

def install_for_grape(config)
  puts 'Installing for Grape'

  config[:name] = required_input('  Enter application name: ')
  puts

  configure(config, ['development', 'production', 'staging'], true)

  puts "Manual Grape configuration needed"
  puts "  See the installation instructions at:"
  puts "  http://docs.appsignal.com/getting-started/supported-frameworks.html#grape"
  press_any_key
  done_notice
end

.install_for_padrino(config) ⇒ Object 



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# File 'lib/appsignal/cli/install.rb', line 102

def install_for_padrino(config)
  puts 'Installing for Padrino'
  config[:name] = required_input('  Enter application name: ')
  puts
  configure(config, ['development', 'production', 'staging'], true)

  puts "Finish Padrino installation"
  puts "  Padrino requires some manual configuration."
  puts "  After installing the gem, add the following line to /config/boot.rb:"
  puts
  puts "  require 'appsignal/integrations/padrino"
  puts
  puts "  You can find more information in the documentation:"
  puts "  http://docs.appsignal.com/getting-started/supported-frameworks.html#padrino"
  press_any_key
  done_notice
end

.install_for_rails(config) ⇒ Object 



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# File 'lib/appsignal/cli/install.rb', line 66

def install_for_rails(config)
  require File.expand_path(File.join(Dir.pwd, 'config/application.rb'))

  puts 'Installing for Ruby on Rails'

  config[:name] = Rails.application.class.parent_name

  name_overwritten = yes_or_no("  Your app's name is: '#{config[:name]}' \n  Do you want to change how this is displayed in AppSignal? (y/n): ")
  puts
  if name_overwritten
    config[:name] = required_input("  Choose app's display name: ")
    puts
  end

  configure(config, rails_environments, name_overwritten)
  done_notice
end

.install_for_sinatra(config) ⇒ Object 



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# File 'lib/appsignal/cli/install.rb', line 84

def install_for_sinatra(config)
  puts 'Installing for Sinatra'
  config[:name] = required_input('  Enter application name: ')
  puts
  configure(config, ['development', 'production', 'staging'], true)

  puts "Finish Sinatra configuration"
  puts "  Sinatra requires some manual configuration."
  puts "  Add this line beneath require 'sinatra':"
  puts
  puts "  require 'appsignal/integrations/sinatra'"
  puts
  puts "  You can find more information in the documentation:"
  puts "  http://docs.appsignal.com/getting-started/supported-frameworks.html#sinatra"
  press_any_key
  done_notice
end

.installed_frameworks ⇒ Object 



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# File 'lib/appsignal/cli/install.rb', line 217

def installed_frameworks
  [].tap do |out|
    begin
      require 'rails'
      out << :rails
    rescue LoadError
    end
    begin
      require 'sinatra'
      out << :sinatra
    rescue LoadError
    end
    begin
      require 'padrino'
      out << :padrino
    rescue LoadError
    end
    begin
      require 'grape'
      out << :grape
    rescue LoadError
    end
  end
end

.new_config ⇒ Object 



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# File 'lib/appsignal/cli/install.rb', line 261

def new_config
  Appsignal::Config.new(Dir.pwd, "")
end

.rails_environments ⇒ Object 



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# File 'lib/appsignal/cli/install.rb', line 242

def rails_environments
  Dir.glob(
    File.join(Dir.pwd, 'config/environments/*.rb')
  ).map { |o| File.basename(o, ".rb") }.sort - EXCLUDED_ENVIRONMENTS
end

.run(push_api_key) ⇒ Object 



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# File 'lib/appsignal/cli/install.rb', line 14

def run(push_api_key)
  puts
  puts colorize "#######################################", :green
  puts colorize "## Starting AppSignal Installer      ##", :green
  puts colorize "## --------------------------------- ##", :green
  puts colorize "## Need help?  [email protected] ##", :green
  puts colorize "## Docs?       docs.appsignal.com    ##", :green
  puts colorize "#######################################", :green
  puts
  unless push_api_key
    puts colorize 'Problem encountered:', :red
    puts '  No push API key entered.'
    puts '  - Sign up for AppSignal and follow the instructions'
    puts "  - Already signed up? Click 'New app' on the account overview page"
    puts
    puts colorize 'Exiting installer...', :red
    return
  end
  config = new_config
  config[:push_api_key] = push_api_key

  print 'Validating API key'
  periods
  puts
  begin
    auth_check = Appsignal::AuthCheck.new(config)
    unless auth_check.perform == '200'
      puts "\n  API key '#{config[:push_api_key]}' is not valid, please get a new one on https://appsignal.com"
      return
    end
  rescue => e
    puts "  There was an error validating your API key:"
    puts colorize "'#{e}'", :red
    puts "  Please try again"
    return
  end
  puts colorize '  API key valid!', :green
  puts

  if installed_frameworks.include?(:rails)
    install_for_rails(config)
  elsif installed_frameworks.include?(:padrino)
    install_for_padrino(config)
  elsif installed_frameworks.include?(:grape)
    install_for_grape(config)
  elsif installed_frameworks.include?(:sinatra)
    install_for_sinatra(config)
  else
    puts "We could not detect which framework you are using. We'd be very grateful if you email us on [email protected] with information about your setup."
  end
end

.write_config_file(data) ⇒ Object 



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# File 'lib/appsignal/cli/install.rb', line 248

def write_config_file(data)
  template = ERB.new(
    File.read(File.join(File.dirname(__FILE__), "../../../resources/appsignal.yml.erb")),
    nil,
    '-'
  )

  config = template.result(OpenStruct.new(data).instance_eval { binding })

  FileUtils.mkdir_p(File.join(Dir.pwd, 'config'))
  File.write(File.join(Dir.pwd, 'config/appsignal.yml'), config)
end