diff options
author | Emile <git@emile.space> | 2024-09-13 15:04:06 +0200 |
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committer | Emile <git@emile.space> | 2024-09-13 15:04:06 +0200 |
commit | 35d6c2c70824cf77ef2216889cc9730b622f5ac1 (patch) | |
tree | 2435a97f87409deb57c279fb41534e0d10c901ca /nix/modules/vm/default.nix | |
parent | 902c97cf9aa16c5bb4a45b28f182e4d6033156e7 (diff) |
big push
Diffstat (limited to 'nix/modules/vm/default.nix')
-rw-r--r-- | nix/modules/vm/default.nix | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/nix/modules/vm/default.nix b/nix/modules/vm/default.nix new file mode 100644 index 0000000..0f65765 --- /dev/null +++ b/nix/modules/vm/default.nix @@ -0,0 +1,78 @@ +{ config, lib, pkgs, ... }: + +let + cfg = config.services.emile.r2wars-web; +in with lib; { + options.services.emile.r2wars-web = { + enable = mkEnableOption "Enable r2wars-web"; + + # ip and port to listen on + guest = mkOption { + type = types.str; + default = "vmnameone"; + example = "vmnameone"; + description = "The name of the vm"; + }; + }; + + config = mkIf cfg.enable { + systemd.services = lib.mapAttrs' (name: guest: lib.nameValuePair "libvirtd-guest-${name}" { + after = [ "libvirtd.service" ]; + requires = [ "libvirtd.service" ]; + wantedBy = [ "multi-user.target" ]; + serviceConfig = { + Type = "oneshot"; + RemainAfterExit = "yes"; + }; + script = + let + xml = pkgs.writeText "libvirt-guest-${name}.xml" + '' + <domain type="kvm"> + <name>${name}</name> + <uuid>UUID</uuid> + <os> + <type>hvm</type> + </os> + <memory unit="GiB">${guest.memory}</memory> + <devices> + <disk type="volume"> + <source volume="guest-${name}"/> + <target dev="vda" bus="virtio"/> + </disk> + <graphics type="spice" autoport="yes"/> + <input type="keyboard" bus="usb"/> + <interface type="direct"> + <source dev="${hostNic}" mode="bridge"/> + <mac address="${guest.mac}"/> + <model type="virtio"/> + </interface> + </devices> + <features> + <acpi/> + </features> + </domain> + ''; + in + '' + uuid="$(${pkgs.libvirt}/bin/virsh domuuid '${name}' || true)" + ${pkgs.libvirt}/bin/virsh define <(sed "s/UUID/$uuid/" '${xml}') + ${pkgs.libvirt}/bin/virsh start '${name}' + ''; + preStop = + '' + ${pkgs.libvirt}/bin/virsh shutdown '${name}' + let "timeout = $(date +%s) + 10" + while [ "$(${pkgs.libvirt}/bin/virsh list --name | grep --count '^${name}$')" -gt 0 ]; do + if [ "$(date +%s)" -ge "$timeout" ]; then + # Meh, we warned it... + ${pkgs.libvirt}/bin/virsh destroy '${name}' + else + # The machine is still running, let's give it some time to shut down + sleep 0.5 + fi + done + ''; + }) guests; + }; +} |