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feat(whitby): Hardcode Google DNS servers

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The Hetzner DNS servers were unhappy after today's Cloudflare outage,
and that broke some of our builds - this wouldn't have happened with
Google DNS!

Change-Id: Ib74c6de9526e739f55d4a9830d945ece35b72138
Reviewed-on: https://cl.tvl.fyi/c/depot/+/1259
Tested-by: BuildkiteCI
Reviewed-by: glittershark <grfn@gws.fyi>
This commit is contained in:
Vincent Ambo 2020-07-17 23:25:20 +01:00 committed by tazjin
parent 8138621b11
commit 67f0fbfcea
1 changed files with 18 additions and 2 deletions
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20
ops/nixos/whitby/default.nix
View file

@ -12,7 +12,7 @@ let
mkdir -p $out/bin
ln -s ${depot.ops.besadii}/bin/besadii $out/bin/post-command
'';
in {
in lib.fix(self: {
inherit depot;
imports = [
"${depot.depotPath}/ops/nixos/clbot.nix"
@ -106,9 +106,16 @@ in {
# Glass is boring, but Luke doesn't like Wapping - the Prospect of
# Whitby, however, is quite a pleasant establishment.
hostName = "whitby";
domain = "tvl.fyi";
hostId = "b38ca543";
useDHCP = false;
# Don't use Hetzner's DNS servers.
nameservers = [
"8.8.8.8"
"8.8.4.4"
];
defaultGateway6 = {
address = "fe80::1";
interface = "enp196s0";
@ -125,6 +132,15 @@ in {
];
};
# Generate an immutable /etc/resolv.conf from the nameserver settings
# above (otherwise DHCP overwrites it):
environment.etc."resolv.conf" = with lib; {
source = depot.third_party.writeText "resolv.conf" ''
${concatStringsSep "\n" (map (ns: "nameserver ${ns}") self.networking.nameservers)}
options edns0
'';
};
time.timeZone = "UTC";
nix = {
@ -298,4 +314,4 @@ in {
};
system.stateVersion = "20.03";
}
})