97 lines
2.1 KiB
Nix
97 lines
2.1 KiB
Nix
# Upstart jobs for libvirtd.
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{ config, pkgs, ... }:
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with pkgs.lib;
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let
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cfg = config.virtualisation.libvirtd;
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in
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{
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###### interface
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options = {
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virtualisation.libvirtd.enable =
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mkOption {
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default = false;
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description =
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''
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This option enables libvirtd, a daemon that manages
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virtual machines. You can interact with the daemon
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(e.g. to start or stop VMs) using the
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<command>virsh</command> command line tool, among others.
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'';
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};
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virtualisation.libvirtd.enableKVM =
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mkOption {
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default = true;
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description =
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''
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This option enables support for QEMU/KVM in libvirtd.
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'';
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};
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};
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###### implementation
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config = mkIf cfg.enable {
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environment.systemPackages =
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[ pkgs.libvirt ]
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++ optional cfg.enableKVM pkgs.qemu_kvm;
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boot.kernelModules = [ "tun" ];
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jobs.libvirtd =
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{ description = "Libvirtd virtual machine management daemon";
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startOn = "stopped udevtrigger";
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path =
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[ pkgs.bridge_utils pkgs.dmidecode pkgs.dnsmasq
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] ++ optional cfg.enableKVM pkgs.qemu_kvm;
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preStart =
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''
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mkdir -p /var/log/libvirt/qemu -m 755
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rm -f /var/run/libvirtd.pid
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'';
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exec = "${pkgs.libvirt}/sbin/libvirtd --daemon --verbose";
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daemonType = "daemon";
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};
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jobs.libvirt_guests =
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{ name = "libvirt-guests";
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description = "Job to save/restore libvirtd VMs";
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startOn = "started libvirtd";
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# We want to suspend VMs only on shutdown, but Upstart is broken.
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#stopOn = "starting shutdown and stopping libvirtd";
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stopOn = "stopping libvirtd";
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path = [ pkgs.gettext pkgs.libvirt pkgs.gawk ];
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preStart =
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''
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mkdir -p /var/lock/subsys -m 755
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${pkgs.libvirt}/etc/rc.d/init.d/libvirt-guests start
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'';
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postStop = "${pkgs.libvirt}/etc/rc.d/init.d/libvirt-guests stop";
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};
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};
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}
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