The plugin can be configured as usual in the gerrit.config. All configuration is optional, if no values are provided these will be the defaults.
[plugin "spanner-refdb"] gcpProject = test-project spannerInstance = test-instance spannerDatabase = global-refdb
plugin.spanner-refdb.gcpProject
: Optional. The name of the google cloud platform project.
plugin.spanner-refdb.spannerInstance
: Optional. The name of the spanner instance.
plugin.spanner-refdb.spannerDatabase
: Optional. The name of the spanner database.