90 lines
2.4 KiB
Nix
90 lines
2.4 KiB
Nix
{ config, pkgs, ... }:
|
|
let
|
|
microvms = {
|
|
staging-data-hoarder = {
|
|
flakeref = "github:dump-dvb/nix-config";
|
|
};
|
|
};
|
|
in
|
|
{
|
|
microvm.autostart = builtins.attrNames microvms;
|
|
|
|
systemd.services = {
|
|
"staging-dh-create-data" = {
|
|
description = "Create ZFS datasets for staging-data-hoarder shares";
|
|
requiredBy = [
|
|
"microvm@staging-data-hoarder.service"
|
|
];
|
|
before = [
|
|
"microvm@staging-data-hoarder.service"
|
|
];
|
|
after = [
|
|
"microvm-create@staging-data-hoarder.service"
|
|
];
|
|
serviceConfig = {
|
|
Type = "oneshot";
|
|
};
|
|
path = [ pkgs.zfs ];
|
|
script = ''
|
|
cd /var/lib/microvms/staging-data-hoarder
|
|
for MNT in etc var ; do
|
|
[ -d $MNT ] || zfs create -o mountpoint=`pwd`/$MNT ${config.networking.hostName}/vm/staging-data-hoarder/$MNT
|
|
done
|
|
'';
|
|
};
|
|
|
|
"microvm-update@" = {
|
|
description = "Update MicroVMs automatically";
|
|
after = [ "network-online.target" ];
|
|
unitConfig.ConditionPathExists = "/var/lib/microvms/%i";
|
|
serviceConfig = {
|
|
Type = "oneshot";
|
|
};
|
|
scriptArgs = "%i";
|
|
path = [ pkgs.nixFlakes ];
|
|
script = ''
|
|
NAME=$1
|
|
set +e
|
|
nix flake update $(cat /var/lib/microvms/$NAME/flake)
|
|
set -e
|
|
/run/current-system/sw/bin/microvm -Ru $NAME
|
|
'';
|
|
};
|
|
|
|
} // builtins.foldl' (services: name: services // {
|
|
"microvm-create-${name}" = {
|
|
description = "Create MicroVM ${name} automatically";
|
|
wantedBy = [ "microvms.target" ];
|
|
after = [ "network-online.target" ];
|
|
before = [
|
|
"microvm-tap-interfaces@${name}.service"
|
|
"microvm-virtiofsd@${name}.service"
|
|
];
|
|
unitConfig.ConditionPathExists = "!/var/lib/microvms/${name}";
|
|
serviceConfig.Type = "oneshot";
|
|
scriptArgs = "${name}";
|
|
script = ''
|
|
/run/current-system/sw/bin/microvm -c ${name} -f "${microvms.${name}.flakeref}"
|
|
'';
|
|
};
|
|
}) {} (builtins.attrNames microvms);
|
|
|
|
systemd.timers = builtins.foldl' (timers: name: timers // {
|
|
"microvm-update-${name}" = {
|
|
wantedBy = [ "timers.target" ];
|
|
timerConfig = {
|
|
Unit = "microvm-update@${name}.service";
|
|
# three times per hour
|
|
OnCalendar = "*:0,20,40:00";
|
|
Persistent = true;
|
|
};
|
|
};
|
|
}) {} (builtins.attrNames microvms);
|
|
|
|
c3d2.server.bridgePorts = {
|
|
serv = [
|
|
"staging-dh"
|
|
];
|
|
};
|
|
}
|