In infinispan operator 2.0, there is a way to define caches with kubernetes CR. However, defining the template for that cache should be done in xml: https://github.com/infinispan/infinispan-operator/blob/master/documentation/asciidoc/topics/proc_creating_caches_xml.adoc

However, it is not ideal to use xml in yaml files. For example, instead of:

name: mycache
template: <infinispan><cache-container><distributed-cache><mode>SYNC</mode><owners>1</owners></distributed-cache></cache-container></infinispan>

It will be better something like:

name: mycache
template:
  distributed-cache:
    mode: SYNC
    owners: 1