Change Data Capture (CDC) is a new MaxScale protocol that allows compatible clients to authenticate and register for Change Data Capture events. The new protocol must be use in conjunction with AVRO router which currently converts MariaDB binlog events into AVRO records. Clients connect to CDC listener and authenticate using credentials provided in a format described in the .
Note: If no users are found in that file or if it doesn't exist, the only available user will be the service user:
Starting with MaxScale 2.1, users can also be created through maxctrl:
The should be the service name where the user is created. Older versions of MaxScale should use the cdc_users.py script.
The output of this command should be appended to the cdcusers file at/var/lib/maxscale/<service name>/.
Users can be deleted by removing the related rows in 'cdcusers' file. For more details on the format of the cdcusers file, read the .
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[avro-service]
type=service
router=avrorouter
source=replication-service
user=cdc_user
password=cdc_passwordmaxctrl call command cdc add_user <service> <name> <password>bash$ cdc_users.py [-h] USER PASSWORDbash$ cdc_users.py user1 pass1 >> /var/lib/maxscale/avro-service/cdcusers