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Install the CLI

Reference Cluster module

cluster.network

Network facts of the cluster that packages read: pod and Service CIDRs and upstream DNS resolvers.

cluster.network records network facts of the cluster. Kix does not configure the network from them; packages read them to derive their own settings.

FieldTypeDefaultSet byRead by
podCidrstring or nullnullkind flavour 10.244.0.0/16; k3s and rke2 flavours 10.42.0.0/16The cilium package, as its IPAM pool when it installs the chart with cluster-pool IPAM. The build requires it there.
serviceCidrstring or nullnullNo package reads it.
dnsUpstreamlist of strings[ ]The coredns package’s forward plugin: forward . <dnsUpstream>. Empty forwards to the node’s /etc/resolv.conf.
cluster.network.dnsUpstream = [ "192.0.2.53" "192.0.2.54" ];

An instance overrides the forward target for one CoreDNS with servers.default.plugins.forward.args.