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kubernetes: make corefile configurable

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This commit is contained in:
Alexandru Scvortov 2021-07-28 19:42:45 +01:00
parent 042180c8a0
commit ed62c1c663
1 changed files with 40 additions and 14 deletions
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54
nixos/modules/services/cluster/kubernetes/addons/dns.nix
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@ -60,6 +60,45 @@ in {
sha256 = "02r440xcdsgi137k5lmmvp0z5w5fmk8g9mysq5pnysq1wl8sj6mw";
};
};
corefile = mkOption {
description = ''
Custom coredns corefile configuration.
See: <link xlink:href="https://coredns.io/manual/toc/#configuration"/>.
'';
type = types.str;
default = ''
.:${toString ports.dns} {
errors
health :${toString ports.health}
kubernetes ${cfg.clusterDomain} in-addr.arpa ip6.arpa {
pods insecure
fallthrough in-addr.arpa ip6.arpa
}
prometheus :${toString ports.metrics}
forward . /etc/resolv.conf
cache 30
loop
reload
loadbalance
}'';
defaultText = ''
.:${toString ports.dns} {
errors
health :${toString ports.health}
kubernetes ''${config.services.kubernetes.addons.dns.clusterDomain} in-addr.arpa ip6.arpa {
pods insecure
fallthrough in-addr.arpa ip6.arpa
}
prometheus :${toString ports.metrics}
forward . /etc/resolv.conf
cache 30
loop
reload
loadbalance
}'';
};
};
config = mkIf cfg.enable {
@ -151,20 +190,7 @@ in {
namespace = "kube-system";
};
data = {
Corefile = ".:${toString ports.dns} {
errors
health :${toString ports.health}
kubernetes ${cfg.clusterDomain} in-addr.arpa ip6.arpa {
pods insecure
fallthrough in-addr.arpa ip6.arpa
}
prometheus :${toString ports.metrics}
forward . /etc/resolv.conf
cache 30
loop
reload
loadbalance
}";
Corefile = cfg.corefile;
};
};