As you can see in the code this looks like it does not include any of installation flavours Graylog provide: https://github.com/conjure-up/spells/tree/master/canonical-kubernetes/addons/graylog
You should ask for help in the conjure community
As you can see in the code this looks like it does not include any of installation flavours Graylog provide: https://github.com/conjure-up/spells/tree/master/canonical-kubernetes/addons/graylog
You should ask for help in the conjure community