okd/roles/openshift_hosted_logging/vars/main.yaml

kh_kv: "KIBANA_HOSTNAME={{ openshift_hosted_logging_hostname | quote }}"
es_cs_kv: "ES_CLUSTER_SIZE={{ openshift_hosted_logging_elasticsearch_cluster_size | quote }}"
pmu_kv: "PUBLIC_MASTER_URL={{ openshift_hosted_logging_master_public_url | quote }}"
ip_kv: "{{ 'IMAGE_PREFIX=' ~ target_registry | quote if target_registry is defined else '' }}"
oc_process_values: "{{ kh_kv }},{{ es_cs_kv }},{{ pmu_kv }},{{ ip_kv }}"
openshift_master_config_dir: "{{ openshift.common.config_base }}/master"