2021-10-20: initial release 2021-10-25: added update check 2021-10-26: minor fixes (removed unused prints) 2021-11-04: fixed missing "versions" key in "release" section 2021-11-17: added checkmk appliance version/downloads 2021-12-07: added metrics for patch release history (a little fun) maybe one day of (cache, only checks once a day) 2022-05-28: rewritten for new json format (THX at baris.leenders[at]tribe29 and martin.hirschvogel[at]tribe29 for supporting the development of this plugin) Note: before updateing remove the old agent_checkmk_download completely (rules and package) 2022-11-30: WATO: fixed CheckParameterRulespecWithoutItem (from CheckParameterRulespecWithItem)