Checkmk Werk 13139: Add Alertmanager special agent and check plugins

ID: 13139 Title: Add Alertmanager special agent and check plugins Component: Checks & agents Level: 2 Class: New feature Version: 2.1.0i1 Add special agent and check plugins for Alertmanager. The special agent retrieves information from the Alertmanager rules API. It retrieves information about: <ul> <li>alert rule groups</li> <li>alert rules</li> <ol> <li>name</li> <li>status</li> <li>severity</li> <li>message</li> </ol> </ul> The check plugin monitors <ul> <li>Individual alert rules</li> <li>Alert rule groups</li> <li>Alert rule summary</li> </ul> For more information look at the respective manpages