Class: Docker::Rails::CLI::DbCheck

Inherits:
Thor
  • Object
show all
Defined in:
lib/docker/rails/cli/db_check.rb

Instance Method Summary collapse

Instance Method Details

#mysql ⇒ Object 



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# File 'lib/docker/rails/cli/db_check.rb', line 15

def mysql
  # ping db to see if it is ready before continuing
  require 'rubygems'
  require 'active_record'
  require 'mysql2'

  puts "\n"
  connect_string = "#{options[:username]}@#{options[:host]}:#{options[:port]}"
  printf "Waiting for confirmation of db service startup at #{connect_string}..."
  last_message = ''
  loop_limit = options[:count].to_i + 1
  loop_limit.times do |i|
    if i == loop_limit - 1
      printf "failed to connect.  #{last_message}\n\n\n"
      raise "Failed to connect to db service at #{connect_string}.  #{last_message}"
    end

    connection_options = {
        adapter: 'mysql2',
        host: options[:host],
        port: options[:port],
        username: options[:username]
    }

    #puts "Password is nil? #{options[:password].nil?}, |#{options[:password]}|"

    connection_options[:password] = options[:password] unless options[:password].nil?

    ActiveRecord::Base.establish_connection (connection_options)
    connected =
        begin
          ActiveRecord::Base.connection_pool.with_connection { |con| con.active? }
        rescue => e
          last_message = "#{e.class.name}: #{e.message}"
          false
        end
    printf '.'
    if connected
      printf 'connected.'
      break
    end
    sleep 1
  end
  puts "\n"
end