2018-06-20 17:00:03.100 23507 INFO keystone.common.token_utils [-] Starting key rotation with 2 key files: ['/var/lib/keystone/fernet-keys/0', '/var/lib/keystone/fernet-keys/1']
2018-06-20 17:00:03.128 23507 INFO keystone.common.token_utils [-] Created a new temporary key: /var/lib/keystone/fernet-keys/0.tmp
2018-06-20 17:00:03.129 23507 INFO keystone.common.token_utils [-] Current primary key is: 1
2018-06-20 17:00:03.129 23507 INFO keystone.common.token_utils [-] Next primary key will be: 2
2018-06-20 17:00:03.137 23507 INFO keystone.common.token_utils [-] Promoted key 0 to be the primary: 2
2018-06-20 17:00:03.146 23507 INFO keystone.common.token_utils [-] Become a valid new key: /var/lib/keystone/fernet-keys/0
2018-06-20 18:00:03.328 5117 INFO keystone.common.token_utils [-] Starting key rotation with 3 key files: ['/var/lib/keystone/fernet-keys/0', '/var/lib/keystone/fernet-keys/1', '/var/lib/keystone/fernet-keys/2']
2018-06-20 18:00:03.337 5117 INFO keystone.common.token_utils [-] Created a new temporary key: /var/lib/keystone/fernet-keys/0.tmp
2018-06-20 18:00:03.338 5117 INFO keystone.common.token_utils [-] Current primary key is: 2
2018-06-20 18:00:03.339 5117 INFO keystone.common.token_utils [-] Next primary key will be: 3
2018-06-20 18:00:03.347 5117 INFO keystone.common.token_utils [-] Promoted key 0 to be the primary: 3
2018-06-20 18:00:03.357 5117 INFO keystone.common.token_utils [-] Become a valid new key: /var/lib/keystone/fernet-keys/0
2018-06-20 18:00:03.357 5117 INFO keystone.common.token_utils [-] Excess key to purge: /var/lib/keystone/fernet-keys/1
