cat <fuse-home>/etc/org.ops4j.datasource-mariadb.cfg
osgi.jdbc.driver.class = org.mariadb.jdbc.Driver
url=jdbc:mariadb://127.0.0.1:3306/test
databaseName=test
dataSourceName=test
user=root
password=

karaf@root()> feature:install pax-jdbc-mariadb pax-jdbc-config
karaf@root()> config:list '(service.factoryPid=org.ops4j.datasource)'
{quote}
Pid:            org.ops4j.datasource.15301a54-ea1b-435d-a108-f715ac4f0dbb
FactoryPid:     org.ops4j.datasource
BundleLocation: ?
Properties:
   dataSourceName = test
   databaseName = test
   felix.fileinstall.filename = file:/Users/fvaleri/workspace/fuse-karaf-7.1.0.fuse-710023-redhat-00001/etc/org.ops4j.datasource-mariadb.cfg
   osgi.jdbc.driver.class = org.mariadb.jdbc.Driver
   password = 
   service.factoryPid = org.ops4j.datasource
   service.pid = org.ops4j.datasource.15301a54-ea1b-435d-a108-f715ac4f0dbb
   url = jdbc:mariadb://127.0.0.1:3306/test
   user = root

karaf@root()> jdbc:ds-list
Name │ Product │ Version         │ URL                                │ Status
─────┼─────────┼─────────────────┼────────────────────────────────────┼───────
test │ MySQL   │ 10.3.10-MariaDB │ jdbc:mariadb://127.0.0.1:3306/test │ OK
test │ MySQL   │ 10.3.10-MariaDB │ jdbc:mariadb://127.0.0.1:3306/test │ OK
test │ MySQL   │ 10.3.10-MariaDB │ jdbc:mariadb://127.0.0.1:3306/test │ OK

karaf@root()> jdbc:ds-factories
Name             │ Class                   │ Version
─────────────────┼─────────────────────────┼────────
mysql            │ org.mariadb.jdbc.Driver │
mariadb          │ org.mariadb.jdbc.Driver │
org.mariadb.jdbc │ org.mariadb.jdbc.Driver │ 1.5.9.0