2018-09-03 07:00:02.752 22763 INFO keystone.common.token_utils [-] Starting key rotation with 2 key files: ['/var/lib/keystone/fernet-keys/0', '/var/lib/keystone/fernet-keys/1']
2018-09-03 07:00:02.760 22763 INFO keystone.common.token_utils [-] Created a new temporary key: /var/lib/keystone/fernet-keys/0.tmp
2018-09-03 07:00:02.761 22763 INFO keystone.common.token_utils [-] Current primary key is: 1
2018-09-03 07:00:02.762 22763 INFO keystone.common.token_utils [-] Next primary key will be: 2
2018-09-03 07:00:02.769 22763 INFO keystone.common.token_utils [-] Promoted key 0 to be the primary: 2
2018-09-03 07:00:02.776 22763 INFO keystone.common.token_utils [-] Become a valid new key: /var/lib/keystone/fernet-keys/0
2018-09-03 08:00:03.156 9952 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']
2018-09-03 08:00:03.166 9952 INFO keystone.common.token_utils [-] Created a new temporary key: /var/lib/keystone/fernet-keys/0.tmp
2018-09-03 08:00:03.167 9952 INFO keystone.common.token_utils [-] Current primary key is: 2
2018-09-03 08:00:03.168 9952 INFO keystone.common.token_utils [-] Next primary key will be: 3
2018-09-03 08:00:03.176 9952 INFO keystone.common.token_utils [-] Promoted key 0 to be the primary: 3
2018-09-03 08:00:03.183 9952 INFO keystone.common.token_utils [-] Become a valid new key: /var/lib/keystone/fernet-keys/0
2018-09-03 08:00:03.183 9952 INFO keystone.common.token_utils [-] Excess key to purge: /var/lib/keystone/fernet-keys/1
