2018-06-28 12:00:03.793 23345 INFO keystone.common.token_utils [-] Starting key rotation with 2 key files: ['/var/lib/keystone/fernet-keys/0', '/var/lib/keystone/fernet-keys/1']
2018-06-28 12:00:03.807 23345 INFO keystone.common.token_utils [-] Created a new temporary key: /var/lib/keystone/fernet-keys/0.tmp
2018-06-28 12:00:03.808 23345 INFO keystone.common.token_utils [-] Current primary key is: 1
2018-06-28 12:00:03.810 23345 INFO keystone.common.token_utils [-] Next primary key will be: 2
2018-06-28 12:00:03.821 23345 INFO keystone.common.token_utils [-] Promoted key 0 to be the primary: 2
2018-06-28 12:00:03.833 23345 INFO keystone.common.token_utils [-] Become a valid new key: /var/lib/keystone/fernet-keys/0
2018-06-28 13:00:03.397 5412 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']
2018-06-28 13:00:03.407 5412 INFO keystone.common.token_utils [-] Created a new temporary key: /var/lib/keystone/fernet-keys/0.tmp
2018-06-28 13:00:03.408 5412 INFO keystone.common.token_utils [-] Current primary key is: 2
2018-06-28 13:00:03.409 5412 INFO keystone.common.token_utils [-] Next primary key will be: 3
2018-06-28 13:00:03.418 5412 INFO keystone.common.token_utils [-] Promoted key 0 to be the primary: 3
2018-06-28 13:00:03.427 5412 INFO keystone.common.token_utils [-] Become a valid new key: /var/lib/keystone/fernet-keys/0
2018-06-28 13:00:03.427 5412 INFO keystone.common.token_utils [-] Excess key to purge: /var/lib/keystone/fernet-keys/1
