2018-07-14 01:00:03.617 25515 INFO keystone.common.token_utils [-] Starting key rotation with 2 key files: ['/var/lib/keystone/fernet-keys/0', '/var/lib/keystone/fernet-keys/1']
2018-07-14 01:00:03.629 25515 INFO keystone.common.token_utils [-] Created a new temporary key: /var/lib/keystone/fernet-keys/0.tmp
2018-07-14 01:00:03.630 25515 INFO keystone.common.token_utils [-] Current primary key is: 1
2018-07-14 01:00:03.630 25515 INFO keystone.common.token_utils [-] Next primary key will be: 2
2018-07-14 01:00:03.640 25515 INFO keystone.common.token_utils [-] Promoted key 0 to be the primary: 2
2018-07-14 01:00:03.650 25515 INFO keystone.common.token_utils [-] Become a valid new key: /var/lib/keystone/fernet-keys/0
2018-07-14 02:00:03.901 5506 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']
2018-07-14 02:00:03.913 5506 INFO keystone.common.token_utils [-] Created a new temporary key: /var/lib/keystone/fernet-keys/0.tmp
2018-07-14 02:00:03.914 5506 INFO keystone.common.token_utils [-] Current primary key is: 2
2018-07-14 02:00:03.914 5506 INFO keystone.common.token_utils [-] Next primary key will be: 3
2018-07-14 02:00:03.924 5506 INFO keystone.common.token_utils [-] Promoted key 0 to be the primary: 3
2018-07-14 02:00:03.933 5506 INFO keystone.common.token_utils [-] Become a valid new key: /var/lib/keystone/fernet-keys/0
2018-07-14 02:00:03.933 5506 INFO keystone.common.token_utils [-] Excess key to purge: /var/lib/keystone/fernet-keys/1
