Class: ConvoxInstaller::Config

Inherits:
Object
  • Object
show all
Defined in:
lib/convox_installer/config.rb

Constant Summary collapse

CONFIG_FILE = 
File.expand_path('./.installer_config.json').freeze
DEFAULT_PROMPTS = 
[
  {
    key: :stack_name,
    title: 'Convox Stack Name',
    prompt: 'Please enter a name for your Convox installation',
    default: 'convox'
  },
  {
    key: :aws_region,
    title: 'AWS Region',
    default: 'us-east-1'
  },
  {
    key: :instance_type,
    title: 'EC2 Instance Type',
    default: 't3.medium'
  },
  {
    section: 'Admin AWS Credentials'
  },
  {
    key: :aws_access_key_id,
    title: 'AWS Access Key ID'
  },
  {
    key: :aws_secret_access_key,
    title: 'AWS Secret Access Key'
  },
  # Short random ID used to ensure that resources are always unique
  {
    key: :random_id,
    value: -> { SecureRandom.hex(4) },
    hidden: true
  }
].freeze

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ Config

Returns a new instance of Config.



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# File 'lib/convox_installer/config.rb', line 50

def initialize(options = {})
  @logger = Logger.new($stdout)
  logger.level = options[:log_level] || Logger::INFO

  self.prompts = options[:prompts] || DEFAULT_PROMPTS
  self.config = {}
  load_config_from_file
  load_config_from_env
  self.config = config.merge((options[:config] || {}).symbolize_keys)

  self.highline = options[:highline] || HighLine.new
end

Instance Attribute Details

#config ⇒ Object

Returns the value of attribute config.



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# File 'lib/convox_installer/config.rb', line 12

def config
  @config
end

#highline ⇒ Object

Returns the value of attribute highline.



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# File 'lib/convox_installer/config.rb', line 12

def highline
  @highline
end

#logger ⇒ Object

Returns the value of attribute logger.



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# File 'lib/convox_installer/config.rb', line 12

def logger
  @logger
end

#prompts ⇒ Object

Returns the value of attribute prompts.



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# File 'lib/convox_installer/config.rb', line 12

def prompts
  @prompts
end

Class Method Details

.config_file_exists? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/convox_installer/config.rb', line 122

def self.config_file_exists?
  File.exist?(CONFIG_FILE)
end

.read_config_file ⇒ Object 



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# File 'lib/convox_installer/config.rb', line 126

def self.read_config_file
  File.read(CONFIG_FILE)
end

Instance Method Details

#config_keys ⇒ Object 



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# File 'lib/convox_installer/config.rb', line 63

def config_keys
  prompts.map { |prompt| prompt[:key] }.compact.map(&:to_sym)
end

#prompt_for_config ⇒ Object 



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# File 'lib/convox_installer/config.rb', line 67

def prompt_for_config
  loop do
    prompts.each do |prompt|
      if prompt[:section]
        highline.say "\n#{prompt[:section]}"
        highline.say "============================================\n\n"
      end
      next unless prompt[:key]

      ask_prompt(prompt)
    end

    show_config_summary

    @completed_prompt = true

    highline.say 'Please double check all of these configuration details.'

    break if ENV['AUTOSTART_CONVOX_INSTALLATION']

    agree = highline.agree(
      'Would you like to start the Convox installation?' \
      " (press 'n' to correct any settings)"
    )
    break if agree

    highline.say "\n"
  end

  config
end

#show_config_summary ⇒ Object 



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# File 'lib/convox_installer/config.rb', line 99

def show_config_summary
  highline.say "\n============================================"
  highline.say '                 SUMMARY'
  highline.say "============================================\n\n"

  config_titles = prompts.map do |prompt|
    prompt[:title] || prompt[:key]
  end.compact
  max = config_titles.map(&:length).max

  prompts.each do |prompt|
    next if !prompt[:key] || prompt[:hidden]

    value = config[prompt[:key]]
    title = prompt[:title] || prompt[:key]
    padded_key = "#{title}:".ljust(max + 3)
    highline.say "    #{padded_key} #{value}"
  end
  highline.say "\nWe've saved your configuration to: #{CONFIG_FILE}"
  highline.say 'If anything goes wrong during the installation, ' \
               "you can restart the script to reload the config and continue.\n\n"
end