2018-06-16 23:00:03.012 29950 INFO keystone.common.token_utils [-] Starting key rotation with 2 key files: ['/var/lib/keystone/fernet-keys/0', '/var/lib/keystone/fernet-keys/1']
2018-06-16 23:00:03.026 29950 INFO keystone.common.token_utils [-] Created a new temporary key: /var/lib/keystone/fernet-keys/0.tmp
2018-06-16 23:00:03.029 29950 INFO keystone.common.token_utils [-] Current primary key is: 1
2018-06-16 23:00:03.030 29950 INFO keystone.common.token_utils [-] Next primary key will be: 2
2018-06-16 23:00:03.044 29950 INFO keystone.common.token_utils [-] Promoted key 0 to be the primary: 2
2018-06-16 23:00:03.056 29950 INFO keystone.common.token_utils [-] Become a valid new key: /var/lib/keystone/fernet-keys/0
2018-06-17 00:00:03.544 9756 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']
2018-06-17 00:00:03.558 9756 INFO keystone.common.token_utils [-] Created a new temporary key: /var/lib/keystone/fernet-keys/0.tmp
2018-06-17 00:00:03.559 9756 INFO keystone.common.token_utils [-] Current primary key is: 2
2018-06-17 00:00:03.560 9756 INFO keystone.common.token_utils [-] Next primary key will be: 3
2018-06-17 00:00:03.570 9756 INFO keystone.common.token_utils [-] Promoted key 0 to be the primary: 3
2018-06-17 00:00:03.580 9756 INFO keystone.common.token_utils [-] Become a valid new key: /var/lib/keystone/fernet-keys/0
2018-06-17 00:00:03.580 9756 INFO keystone.common.token_utils [-] Excess key to purge: /var/lib/keystone/fernet-keys/1
