2018-07-17 16:00:02.569 21530 INFO keystone.common.token_utils [-] Starting key rotation with 2 key files: ['/var/lib/keystone/fernet-keys/0', '/var/lib/keystone/fernet-keys/1']
2018-07-17 16:00:02.579 21530 INFO keystone.common.token_utils [-] Created a new temporary key: /var/lib/keystone/fernet-keys/0.tmp
2018-07-17 16:00:02.580 21530 INFO keystone.common.token_utils [-] Current primary key is: 1
2018-07-17 16:00:02.581 21530 INFO keystone.common.token_utils [-] Next primary key will be: 2
2018-07-17 16:00:02.588 21530 INFO keystone.common.token_utils [-] Promoted key 0 to be the primary: 2
2018-07-17 16:00:02.595 21530 INFO keystone.common.token_utils [-] Become a valid new key: /var/lib/keystone/fernet-keys/0
2018-07-17 17:00:03.007 5387 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']
2018-07-17 17:00:03.014 5387 INFO keystone.common.token_utils [-] Created a new temporary key: /var/lib/keystone/fernet-keys/0.tmp
2018-07-17 17:00:03.015 5387 INFO keystone.common.token_utils [-] Current primary key is: 2
2018-07-17 17:00:03.015 5387 INFO keystone.common.token_utils [-] Next primary key will be: 3
2018-07-17 17:00:03.021 5387 INFO keystone.common.token_utils [-] Promoted key 0 to be the primary: 3
2018-07-17 17:00:03.028 5387 INFO keystone.common.token_utils [-] Become a valid new key: /var/lib/keystone/fernet-keys/0
2018-07-17 17:00:03.028 5387 INFO keystone.common.token_utils [-] Excess key to purge: /var/lib/keystone/fernet-keys/1
