Class: RediPress::CLI::Configurations

Inherits:
Thor
  • Object
show all
Defined in:
lib/redipress/cli/configurations.rb

Instance Method Summary collapse

Instance Method Details

#execute ⇒ Object 



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# File 'lib/redipress/cli/configurations.rb', line 9

def execute
  # Prepare
  prepare

  # Print a hello message
  prompt.ok("Hello, let's configure a server!")

  # Get the server host
  host = prompt_for_host

  # Print a new line
  new_line

  # Get the configuration
  configurations = prompt_for_configurations

  # Create a Hash to hold the options
  options = Hash.new

  # Loop over each configuration
  configurations.each do |configuration|
    # Print a new line
    new_line

    # Get the configuration's options
    options[configuration.slug] = prompt_for_configuration_options(configuration)
  end

  # Print a new line
  new_line

  # Prompt to continue
  exit(1) unless prompt.yes?("Proceed with the above settings?")

  # Loop over each configuration
  configurations.each do |configuration|
    # Print a new line
    new_line

    begin
      # Check if the configuration is compatible with the host
      compatible = configuration.compatible?(host, options)
    rescue => e
      # Print a new line
      new_line

      # Print an error message
      prompt.error("An exception was raised whilst running a configuration:")
      prompt.error("-------------------------------------------------------")

      raise e
    end

    # Check if the configuration is not compatible
    unless compatible
      # Print a warning message
      prompt.warning("'#{configuration.name}' is not compatible with #{host.username}@#{host.hostname}")

      exit 1
    end
  end

  # Print a message
  prompt.ok("The selected configurations appear to be compatible with #{host.username}@#{host.hostname}")

  # Create a Hash to hold the results
  results = Hash.new

  # Loop over each configuration
  configurations.each do |configuration|
    # Print a new line
    new_line

    # Print a message
    prompt.ok("Configuring '#{configuration.name}' ...")
    prompt.ok("------------------------------------------------------------")

    begin
      # Perform the configuration on the server
      results[configuration.slug] = configuration.configure(host, options[configuration.slug])
    rescue RediPress::ConfigurationFailed => e
      # Print a new line
      new_line

      # Print an error message
      prompt.error("Configuration '#{configuration.name}' failed:")
      prompt.error("------------------------------------------------------------")
      prompt.error(e.error)

      exit 1
    rescue => e
      # Print a new line
      new_line

      # Print an error message
      prompt.error("Configuration '#{configuration.name}' raised an error:")
      prompt.error("------------------------------------------------------------")

      raise e
    end
  end

  # Print a new line
  new_line

  # The server has been configured
  prompt.ok("Woo hoo! Your server has been configured.")

  # Loop over each configuration
  configurations.each do |configuration|
    # Get the result
    result = results[configuration.slug]

    # Go next if there aren't any results to output
    next if result.nil? || result.empty? || false == result.is_a?(Hash)

    # Print a new line
    new_line

    # Print the configuration's name
    prompt.ok(configuration.name)
    prompt.ok("------------------------------------------------------------")

    # Print a table containing the results
    puts TTY::Table.new(rows: result.map { |k, v| [" #{k} ", " #{v} "] }).render(:ascii)
  end

  nil
end