coredns/man/coredns-federation.7

.\" generated with Ronn/v0.7.3
.\" http://github.com/rtomayko/ronn/tree/0.7.3
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.TH "COREDNS\-FEDERATION" "7" "March 2019" "CoreDNS" "CoreDNS plugins"
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.SH "NAME"
\fIfederation\fR \- enables federated queries to be resolved via the kubernetes plugin\.
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.SH "DESCRIPTION"
Enabling this plugin allows Federated \fIhttps://kubernetes\.io/docs/tasks/federation/federation\-service\-discovery/\fR queries to be resolved via the kubernetes plugin\.
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.P
Enabling \fIfederation\fR without also having \fIkubernetes\fR is a noop\.
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.SH "SYNTAX"
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.nf

federation [ZONES\.\.\.] {
    NAME DOMAIN
    upstream
}
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.fi
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.IP "\(bu" 4
Each \fBNAME\fR and \fBDOMAIN\fR defines federation membership\. One entry for each\. A duplicate \fBNAME\fR will silently overwrite any previous value\.
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.IP "\(bu" 4
\fBupstream\fR [\fBADDRESS\fR\.\.\.] resolve the \fBCNAME\fR target produced by this plugin\. CoreDNS will resolve External Services against itself\.
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.IP "" 0
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.SH "EXAMPLES"
Here we handle all service requests in the \fBprod\fR and \fBstage\fR federations\.
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.IP "" 4
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.nf

\&\. {
    kubernetes cluster\.local
    federation cluster\.local {
        prod prod\.feddomain\.com
        staging staging\.feddomain\.com
        upstream
    }
}
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.fi
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.IP "" 0
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.P
Or slightly shorter:
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.IP "" 4
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.nf

cluster\.local {
    kubernetes
    federation {
        prod prod\.feddomain\.com
        staging staging\.feddomain\.com
        upstream
    }
}
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.fi
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.IP "" 0