2018-06-18 08:00:03.152 4925 INFO keystone.common.token_utils [-] Starting key rotation with 2 key files: ['/var/lib/keystone/fernet-keys/0', '/var/lib/keystone/fernet-keys/1']
2018-06-18 08:00:03.164 4925 INFO keystone.common.token_utils [-] Created a new temporary key: /var/lib/keystone/fernet-keys/0.tmp
2018-06-18 08:00:03.166 4925 INFO keystone.common.token_utils [-] Current primary key is: 1
2018-06-18 08:00:03.167 4925 INFO keystone.common.token_utils [-] Next primary key will be: 2
2018-06-18 08:00:03.179 4925 INFO keystone.common.token_utils [-] Promoted key 0 to be the primary: 2
2018-06-18 08:00:03.191 4925 INFO keystone.common.token_utils [-] Become a valid new key: /var/lib/keystone/fernet-keys/0
2018-06-18 09:00:03.689 11037 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 09:00:03.699 11037 INFO keystone.common.token_utils [-] Created a new temporary key: /var/lib/keystone/fernet-keys/0.tmp
2018-06-18 09:00:03.700 11037 INFO keystone.common.token_utils [-] Current primary key is: 2
2018-06-18 09:00:03.701 11037 INFO keystone.common.token_utils [-] Next primary key will be: 3
2018-06-18 09:00:03.711 11037 INFO keystone.common.token_utils [-] Promoted key 0 to be the primary: 3
2018-06-18 09:00:03.722 11037 INFO keystone.common.token_utils [-] Become a valid new key: /var/lib/keystone/fernet-keys/0
2018-06-18 09:00:03.723 11037 INFO keystone.common.token_utils [-] Excess key to purge: /var/lib/keystone/fernet-keys/1
