2018-06-17 23:00:03.684 30419 INFO keystone.common.token_utils [-] Starting key rotation with 2 key files: ['/var/lib/keystone/fernet-keys/0', '/var/lib/keystone/fernet-keys/1']
2018-06-17 23:00:03.694 30419 INFO keystone.common.token_utils [-] Created a new temporary key: /var/lib/keystone/fernet-keys/0.tmp
2018-06-17 23:00:03.696 30419 INFO keystone.common.token_utils [-] Current primary key is: 1
2018-06-17 23:00:03.696 30419 INFO keystone.common.token_utils [-] Next primary key will be: 2
2018-06-17 23:00:03.704 30419 INFO keystone.common.token_utils [-] Promoted key 0 to be the primary: 2
2018-06-17 23:00:03.715 30419 INFO keystone.common.token_utils [-] Become a valid new key: /var/lib/keystone/fernet-keys/0
2018-06-18 00:00:04.005 9864 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']
2018-06-18 00:00:04.024 9864 INFO keystone.common.token_utils [-] Created a new temporary key: /var/lib/keystone/fernet-keys/0.tmp
2018-06-18 00:00:04.025 9864 INFO keystone.common.token_utils [-] Current primary key is: 2
2018-06-18 00:00:04.026 9864 INFO keystone.common.token_utils [-] Next primary key will be: 3
2018-06-18 00:00:04.040 9864 INFO keystone.common.token_utils [-] Promoted key 0 to be the primary: 3
2018-06-18 00:00:04.052 9864 INFO keystone.common.token_utils [-] Become a valid new key: /var/lib/keystone/fernet-keys/0
2018-06-18 00:00:04.053 9864 INFO keystone.common.token_utils [-] Excess key to purge: /var/lib/keystone/fernet-keys/1
