_expiry: "{{ cert_expiry | default('1825') }}"
_subject: "/CN={{ _cn }}{% if _org %}/O={{ _org }}{% endif %}"
_alt_names: "{{ alt_names | default( {'dns':[], 'ip':[]} ) }}"
+_secret_name: "{{ secret_name | default ( '' ) }}"
+_secret_type: "{{ sercret_type | default ( 'tls' ) }}"
+_secret_ns: "{{ secret_ns | default ( 'kube-system' ) }}"
+_keep_files: "{{ keep_files | default ( true ) }}"