+ - dest: /etc/keystone/fernet-keys/0
+ owner: keystone
+ perm: '0600'
+ source: /var/lib/kolla/config_files/src/etc/keystone/fernet-keys/0
+ optional: {if: [keystone_fernet_tokens, false, true]}
+ - dest: /etc/keystone/fernet-keys/1
+ owner: keystone
+ perm: '0600'
+ source: /var/lib/kolla/config_files/src/etc/keystone/fernet-keys/1
+ optional: {if: [keystone_fernet_tokens, false, true]}