Class: HerokuConfig

Inherits:
Object
  • Object
show all
Defined in:
lib/tddium/heroku.rb

Defined Under Namespace

Classes: AppNotFound, HerokuError, HerokuNotFound, InvalidFormat, NotLoggedIn, TddiumNotAdded

Constant Summary collapse

REQUIRED_KEYS = 
%w{TDDIUM_API_KEY TDDIUM_USER_NAME}

Class Method Summary collapse

Class Method Details

.read_config(app = nil) ⇒ Object

Raises:



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# File 'lib/tddium/heroku.rb', line 16

def self.read_config(app=nil)
  config = {}
  
  command = "heroku config -s"
  command += " --app #{app}" if app

  begin
    output = `#{command} < /dev/null 2>&1`
  rescue Errno::ENOENT
    raise HerokuNotFound
  end
  raise HerokuNotFound if output =~ /heroku: not found/
  raise AppNotFound if output =~ /App not found/
  raise InvalidFormat if output.length == 0
  raise NotLoggedIn if output =~ /Heroku credentials/

  output.lines.each do |line|
    line.chomp!
    k, v = line.split('=')
    if k =~ /^TDDIUM_/ && v.length > 0
      k.sub!("TDDIUM_STAGE", "TDDIUM")
      config[k] = v
    end
  end
  raise TddiumNotAdded if config.keys.length == 0
  raise InvalidFormat if REQUIRED_KEYS.inject(false) {|missing, x| missing || !config[x]}
  config
end