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federation
Name
federation - enables federated queries to be resolved via the kubernetes plugin.
Description
Enabling this plugin allows Federated queries to be resolved via the kubernetes plugin.
Enabling federation without also having kubernetes is a noop.
Syntax
federation [ZONES...] {
    NAME DOMAIN
}
- Each NAME and DOMAIN defines federation membership. One entry for each. A duplicate NAME will silently overwrite any previous value.
Examples
Here we handle all service requests in the prod and stage federations.
. {
    kubernetes cluster.local
    federation cluster.local {
        prod prod.feddomain.com
        staging staging.feddomain.com
    }
}
Or slightly shorter:
cluster.local {
    kubernetes
    federation {
        prod prod.feddomain.com
        staging staging.feddomain.com
    }
}