Kubernetes Monitoring

I still use Icinga2 for monitoring my home network. I haven't got annoyed enough with it to move to anything else. The plugin that monitors my microk8s cluster is a bit simplistic it simply checks a number read from the interface and if its bigger than a threshold then its a warning or an error.

The catch is that Kubernetes never resets the number of restarts of a pod … so you can't clear the error state. This is apparently by design as pods are disposable items.

Deployments come to our rescue here allowing us to recreate the pods and hence reset their restart count.
Read More...

Rube Goldberg would be proud ...

Rube Goldberg was a cartoonist who has a character that invented fantastic chain reaction machines. I may have been channelling his muse for inspiration in getting around my latest NBN failure:
  1. We moved house (Note: there is no such thing as an NBN relocation … its a fiction … its a cancellation and a new connection)
  2. When people order a static IP they really want the same one when they relocate it (see 1)
  3. The Sparkies came, the modem was turned off for a couple of hours … things didn't come back
On the Friday afternoon before a long weekend …

And so it begins …
Read More...