60 lines
1.7 KiB
Nix
60 lines
1.7 KiB
Nix
{ config, pkgs, ... }:
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let
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microvms = {
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staging-data-hoarder.flakeref = "git+https://github.com/tlm-solutions/nix-config";
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};
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in
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{
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microvm.autostart = builtins.attrNames microvms;
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systemd.services = {
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"microvm-update@" = {
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description = "Update MicroVMs automatically";
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after = [ "network-online.target" ];
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unitConfig.ConditionPathExists = "/var/lib/microvms/%i";
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serviceConfig = {
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Type = "oneshot";
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};
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path = with pkgs; [ nix git ];
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environment.HOME = config.users.users.root.home;
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scriptArgs = "%i";
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script = ''
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NAME=$1
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/run/current-system/sw/bin/microvm -Ru $NAME
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'';
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};
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} // builtins.foldl' (services: name: services // {
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"microvm-create-${name}" = {
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description = "Create MicroVM ${name} automatically";
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wantedBy = [ "microvms.target" ];
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after = [ "network-online.target" ];
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before = [
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"microvm-tap-interfaces@${name}.service"
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"microvm-virtiofsd@${name}.service"
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];
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unitConfig.ConditionPathExists = "!/var/lib/microvms/${name}";
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serviceConfig.Type = "oneshot";
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path = [ pkgs.git ];
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environment.HOME = config.users.users.root.home;
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scriptArgs = "${name}";
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script = ''
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/run/current-system/sw/bin/microvm -c ${name} -f "${microvms.${name}.flakeref}"
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'';
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};
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}) {} (builtins.attrNames microvms);
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systemd.timers = builtins.foldl' (timers: name: timers // {
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"microvm-update-${name}" = {
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wantedBy = [ "timers.target" ];
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timerConfig = {
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Unit = "microvm-update@${name}.service";
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# three times per hour
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OnCalendar = "*:0,20,40:00";
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Persistent = true;
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};
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};
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}) {} (builtins.attrNames microvms);
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}
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