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{ config, pkgs, ... }:
let
knotCfg = config.services.knot;
knotDNSCredentials = zone: pkgs.writeText "lego-credentials" ''
EXEC_PATH=${knotDNSExec zone}/bin/update-dns.sh
EXEC_PROPAGATION_TIMEOUT=300
EXEC_POLLING_INTERVAL=5
'';
knotDNSExec = zone: pkgs.writeScriptBin "update-dns.sh" ''
#!${pkgs.zsh}/bin/zsh -xe
mode=$1
fqdn=$2
challenge=$3
owner=''${fqdn%".${zone}."}
commited=
function abort() {
[[ -n "''${commited}" ]] || ${knotCfg.cliWrappers}/bin/knotc zone-abort "${zone}"
}
${knotCfg.cliWrappers}/bin/knotc zone-begin "${zone}"
trap abort EXIT
case "''${mode}" in
present)
${knotCfg.cliWrappers}/bin/knotc zone-unset ${zone} "''${owner}" TXT '""'
${knotCfg.cliWrappers}/bin/knotc zone-set ${zone} "''${owner}" 30 TXT "''${challenge}"
;;
cleanup)
${knotCfg.cliWrappers}/bin/knotc zone-unset ${zone} "''${owner}" TXT "''${challenge}"
${knotCfg.cliWrappers}/bin/knotc zone-set ${zone} "''${owner}" 30 TXT '""'
;;
*)
exit 2
;;
esac
${knotCfg.cliWrappers}/bin/knotc zone-commit "${zone}"
commited=yes
'';
in {
config = {
fileSystems."/var/lib/acme" =
{ device = "surtr/safe/var-lib-acme";
fsType = "zfs";
};
security.acme = {
server = "https://acme-staging-v02.api.letsencrypt.org/directory";
acceptTerms = true;
preliminarySelfsigned = false;
email = "phikeebaogobaegh@141.li";
certs = {
"rheperire.org" = {
domain = "rheperire.org";
extraDomainNames = [ "*.rheperire.org" ];
dnsProvider = "exec";
credentialsFile = knotDNSCredentials "rheperire.org";
dnsResolver = "1.1.1.1:53";
};
};
};
users.groups."knot".members = [ "acme" ];
};
}
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