2018-07-02 07:00:03.016 21746 INFO keystone.common.token_utils [-] Starting key rotation with 2 key files: ['/var/lib/keystone/fernet-keys/0', '/var/lib/keystone/fernet-keys/1']
2018-07-02 07:00:03.027 21746 INFO keystone.common.token_utils [-] Created a new temporary key: /var/lib/keystone/fernet-keys/0.tmp
2018-07-02 07:00:03.027 21746 INFO keystone.common.token_utils [-] Current primary key is: 1
2018-07-02 07:00:03.028 21746 INFO keystone.common.token_utils [-] Next primary key will be: 2
2018-07-02 07:00:03.037 21746 INFO keystone.common.token_utils [-] Promoted key 0 to be the primary: 2
2018-07-02 07:00:03.047 21746 INFO keystone.common.token_utils [-] Become a valid new key: /var/lib/keystone/fernet-keys/0
2018-07-02 08:00:03.593 5067 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']
2018-07-02 08:00:03.717 5067 INFO keystone.common.token_utils [-] Created a new temporary key: /var/lib/keystone/fernet-keys/0.tmp
2018-07-02 08:00:03.718 5067 INFO keystone.common.token_utils [-] Current primary key is: 2
2018-07-02 08:00:03.720 5067 INFO keystone.common.token_utils [-] Next primary key will be: 3
2018-07-02 08:00:03.784 5067 INFO keystone.common.token_utils [-] Promoted key 0 to be the primary: 3
2018-07-02 08:00:03.796 5067 INFO keystone.common.token_utils [-] Become a valid new key: /var/lib/keystone/fernet-keys/0
2018-07-02 08:00:03.797 5067 INFO keystone.common.token_utils [-] Excess key to purge: /var/lib/keystone/fernet-keys/1
