45 lines
1.2 KiB
Nix
45 lines
1.2 KiB
Nix
{ cluster, config, depot, lib, pkgs, ... }:
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let
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authoritativeServers = map
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(node: cluster.config.hostLinks.${node}.dnsAuthoritative.tuple)
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cluster.config.services.dns.nodes.authoritative;
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execScript = pkgs.writeShellScript "acme-dns-exec" ''
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action="$1"
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subdomain="''${2%.${depot.lib.meta.domain}.}"
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key="$3"
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umask 77
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source "$EXEC_ENV_FILE"
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headersFile="$(mktemp)"
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echo "X-Direct-Key: $ACME_DNS_DIRECT_STATIC_KEY" > "$headersFile"
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case "$action" in
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present)
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for i in {1..5}; do
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${pkgs.curl}/bin/curl -X POST -s -f -H "@$headersFile" \
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"${cluster.config.links.acmeDnsApi.url}/update" \
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--data '{"subdomain":"'"$subdomain"'","txt":"'"$key"'"}' && break
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sleep 5
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done
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;;
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esac
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'';
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in
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{
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age.secrets.acmeDnsApiKey = {
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file = ../dns/acme-dns-direct-key.age;
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owner = "acme";
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};
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security.acme.defaults = {
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extraLegoFlags = lib.flatten [
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(map (x: [ "--dns.resolvers" x ]) authoritativeServers)
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"--dns-timeout" "30"
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];
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credentialsFile = pkgs.writeText "acme-exec-config" ''
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EXEC_PATH=${execScript}
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EXEC_ENV_FILE=${config.age.secrets.acmeDnsApiKey.path}
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'';
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};
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}
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