Checking for the existence of a fact

[ggeldenhuis]

Unless I missing the obvious it does not seem easy achievable to check for the presence or absence of a fact.

For example I want to check if networking.interfaces.ib0 is present as this would indicate that I have an Infiniband interface present and can then add the Infininband class.

[ripienaar]

yup, dont think its possible, you could make a custom fact though i guess?

[ggeldenhuis]

I tried the following:

classifier::rules:
  InfiniBand:
    match: all
    rules:
      - fact: "%{facts.networking.interfaces.enp0s8.mtu}"
        operator: ==
        value: 1500
    classes:
      - example

however it does not result in a box with interface name enp0s8 getting the example class.
I also tried:

operator: >
value: 1

but then get an error saying I am trying to compare against ''. So for some reason there is no value, but I am not sure why.

[ripienaar]

closing as we resolved it on slack - operator and value should be quoted

[ggeldenhuis]

I will try and find time for a PR to give an extra example and to update the existing examples to show quoted operators.