This plugin is deprecated since SonarQube 4.0.
The Google Calendar Plugin posts an event in the specified Google calendar when the project analysed by SonarQube. The event will contain the following information:
Calendar Event Title : Sonar analysis of PROJECTNAME Calendar Event Description/Details : New Sonar analysis of PROJECTNAME is available online at http://SERVERURL/project/index/PROJECTKEY
Currently it does not work if Two Step Verification is enabled on the Google Account.