2018-06-21 03:00:03.219 28901 INFO keystone.common.token_utils [-] Starting key rotation with 2 key files: ['/var/lib/keystone/fernet-keys/0', '/var/lib/keystone/fernet-keys/1']
2018-06-21 03:00:03.232 28901 INFO keystone.common.token_utils [-] Created a new temporary key: /var/lib/keystone/fernet-keys/0.tmp
2018-06-21 03:00:03.232 28901 INFO keystone.common.token_utils [-] Current primary key is: 1
2018-06-21 03:00:03.233 28901 INFO keystone.common.token_utils [-] Next primary key will be: 2
2018-06-21 03:00:03.245 28901 INFO keystone.common.token_utils [-] Promoted key 0 to be the primary: 2
2018-06-21 03:00:03.258 28901 INFO keystone.common.token_utils [-] Become a valid new key: /var/lib/keystone/fernet-keys/0
2018-06-21 04:00:03.657 10858 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']
2018-06-21 04:00:03.681 10858 INFO keystone.common.token_utils [-] Created a new temporary key: /var/lib/keystone/fernet-keys/0.tmp
2018-06-21 04:00:03.683 10858 INFO keystone.common.token_utils [-] Current primary key is: 2
2018-06-21 04:00:03.684 10858 INFO keystone.common.token_utils [-] Next primary key will be: 3
2018-06-21 04:00:03.694 10858 INFO keystone.common.token_utils [-] Promoted key 0 to be the primary: 3
2018-06-21 04:00:03.704 10858 INFO keystone.common.token_utils [-] Become a valid new key: /var/lib/keystone/fernet-keys/0
2018-06-21 04:00:03.705 10858 INFO keystone.common.token_utils [-] Excess key to purge: /var/lib/keystone/fernet-keys/1
