Class: Databasion::CronSystem

Inherits:
Object
  • Object
show all
Defined in:
lib/databasion/cron_system.rb

Constant Summary collapse

@@config = 
nil

Class Method Summary collapse

Class Method Details

.config ⇒ Object 



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# File 'lib/databasion/cron_system.rb', line 19

def self.config
  config?
  @@config
end

.config=(data) ⇒ Object 



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# File 'lib/databasion/cron_system.rb', line 15

def self.config=(data)
  @@config = data
end

.config? ⇒ Boolean

Returns:

  • (Boolean)

Raises:



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# File 'lib/databasion/cron_system.rb', line 9

def self.config?
  raise CronSystemError, 'CronSystem cannot load without a config.' unless defined?(@@config)
  raise CronSystemError, 'CronSystem now requires an environments config section.' unless defined?(@@config['environments'])
  true
end

.run(opts) ⇒ Object 



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# File 'lib/databasion/cron_system.rb', line 24

def self.run(opts)
  Databasion::GoogleLoader.config = @@config
  version = Databasion::GoogleLoader.run_version(opts)
  
  version_file = "%s/config/version_%s" % [@@config['project_base'], opts[:env]]
  
  if File.exist?(version_file)
    old_version = File.open(version_file).readline.strip
    if version > old_version
      Databasion::LOGGER.info "Version changed, running databasion."
      system "cd %s && %s %s" % [@@config['project_base'], File.dirname(__FILE__) + '/../../bin/databasion', @@config['environments'][opts[:env]]['cron_options']]
      write_version(version)
    elsif version < old_version
      Databasion::LOGGER.info "Version rollback is currently not implemented."
    else
      Databasion::LOGGER.info "Version has not changed."
    end
  else
    Databasion::LOGGER.info "CronSystem running for the first time."
    system "cd %s && %s %s" % [@@config['project_base'], File.dirname(__FILE__) + '/../../bin/databasion', @@config['environments'][opts[:env]]['cron_options']]
    write_version(version, version_file)
  end
end

.write_version(version, version_file) ⇒ Object 



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# File 'lib/databasion/cron_system.rb', line 48

def self.write_version(version, version_file)
  File.open(version_file, 'w') do |file|
    file.write version
  end
end