Configuration

First create project at google console.

Services setting has priority. If not set up system use global.

# global
GoogleApi.configure do
  client_id "1"

  # services
  SERVICE do
    client_id "2"
  end
end

# ----- OR -----

GoogleApi.config.client_id    = "4"
GoogleApi.config.ga.client_id = "5"

name	example	note
Global
client_id	123456.apps.googleusercontent.com	required for oauth 2
client_secret	123456123456123456
redirect_uri	http://localhost/oauth2callback
client_developer_email	123456@developer.gserviceaccount.com	required for login by cert
client_cert_file	/home/user/app/123456-privatekey.p12
key_secret	notasecret
Google analytics
cache	default: GoogleApi::Cache.new	more information Cache