2018-06-30 11:00:04.451 29149 INFO keystone.common.token_utils [-] Starting key rotation with 2 key files: ['/var/lib/keystone/fernet-keys/0', '/var/lib/keystone/fernet-keys/1']
2018-06-30 11:00:04.464 29149 INFO keystone.common.token_utils [-] Created a new temporary key: /var/lib/keystone/fernet-keys/0.tmp
2018-06-30 11:00:04.465 29149 INFO keystone.common.token_utils [-] Current primary key is: 1
2018-06-30 11:00:04.466 29149 INFO keystone.common.token_utils [-] Next primary key will be: 2
2018-06-30 11:00:04.482 29149 INFO keystone.common.token_utils [-] Promoted key 0 to be the primary: 2
2018-06-30 11:00:04.497 29149 INFO keystone.common.token_utils [-] Become a valid new key: /var/lib/keystone/fernet-keys/0
2018-06-30 12:00:04.875 5114 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']
2018-06-30 12:00:04.895 5114 INFO keystone.common.token_utils [-] Created a new temporary key: /var/lib/keystone/fernet-keys/0.tmp
2018-06-30 12:00:04.897 5114 INFO keystone.common.token_utils [-] Current primary key is: 2
2018-06-30 12:00:04.898 5114 INFO keystone.common.token_utils [-] Next primary key will be: 3
2018-06-30 12:00:04.914 5114 INFO keystone.common.token_utils [-] Promoted key 0 to be the primary: 3
2018-06-30 12:00:04.930 5114 INFO keystone.common.token_utils [-] Become a valid new key: /var/lib/keystone/fernet-keys/0
2018-06-30 12:00:04.930 5114 INFO keystone.common.token_utils [-] Excess key to purge: /var/lib/keystone/fernet-keys/1
