https://github.com/cloudprober/cloudprober https://github.com/cloudprober/cloudprober (https://cloudprober.org https://cloudprober.org) fits the bill here. It i

https://github.com/cloudprober/cloudprober https://github.com/cloudprober/cloudprober (https://cloudprober.org https://cloudprober.org) fits the bill here. It is a simple yet powerful monitoring tool. You can have a minimal as well as an extensive setup with it, without the bloat or the complexity. (Full disclosure: I'm the author)