public
/
nixpkgs
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

nixos/libvirtd: add package option 

At the moment, it's not possible to override the libvirtd package used
without supplying a nixpkgs overlay. Adding a package option makes
libvirtd more consistent and allows enabling e.g. ceph and iSCSI support
more easily.
This commit is contained in:
Luke Granger-Brown 2021-03-10 00:31:21 +00:00 committed by sterni
parent 40be12c695
commit 1ce6b05ea1
1 changed files with 17 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

25
nixos/modules/virtualisation/libvirtd.nix
View File

@ -46,6 +46,15 @@ in {
''; '';
}; };
package = mkOption {
type = types.package;
default = pkgs.libvirt;
defaultText = "pkgs.libvirt";
description = ''
libvirt package to use.
'';
};
qemuPackage = mkOption { qemuPackage = mkOption {
type = types.package; type = types.package;
default = pkgs.qemu; default = pkgs.qemu;
@ -149,7 +158,7 @@ in {
# this file is expected in /etc/qemu and not sysconfdir (/var/lib) # this file is expected in /etc/qemu and not sysconfdir (/var/lib)
etc."qemu/bridge.conf".text = lib.concatMapStringsSep "\n" (e: etc."qemu/bridge.conf".text = lib.concatMapStringsSep "\n" (e:
"allow ${e}") cfg.allowedBridges; "allow ${e}") cfg.allowedBridges;
systemPackages = with pkgs; [ libvirt libressl.nc iptables cfg.qemuPackage ]; systemPackages = with pkgs; [ libressl.nc iptables cfg.package cfg.qemuPackage ];
etc.ethertypes.source = "${pkgs.iptables}/etc/ethertypes"; etc.ethertypes.source = "${pkgs.iptables}/etc/ethertypes";
}; };
@ -169,26 +178,26 @@ in {
source = "/run/${dirName}/nix-helpers/qemu-bridge-helper"; source = "/run/${dirName}/nix-helpers/qemu-bridge-helper";
}; };
systemd.packages = [ pkgs.libvirt ]; systemd.packages = [ cfg.package ];
systemd.services.libvirtd-config = { systemd.services.libvirtd-config = {
description = "Libvirt Virtual Machine Management Daemon - configuration"; description = "Libvirt Virtual Machine Management Daemon - configuration";
script = '' script = ''
# Copy default libvirt network config .xml files to /var/lib # Copy default libvirt network config .xml files to /var/lib
# Files modified by the user will not be overwritten # Files modified by the user will not be overwritten
for i in $(cd ${pkgs.libvirt}/var/lib && echo \ for i in $(cd ${cfg.package}/var/lib && echo \
libvirt/qemu/networks/*.xml libvirt/qemu/networks/autostart/*.xml \ libvirt/qemu/networks/*.xml libvirt/qemu/networks/autostart/*.xml \
libvirt/nwfilter/*.xml ); libvirt/nwfilter/*.xml );
do do
mkdir -p /var/lib/$(dirname $i) -m 755 mkdir -p /var/lib/$(dirname $i) -m 755
cp -npd ${pkgs.libvirt}/var/lib/$i /var/lib/$i cp -npd ${cfg.package}/var/lib/$i /var/lib/$i
done done
# Copy generated qemu config to libvirt directory # Copy generated qemu config to libvirt directory
cp -f ${qemuConfigFile} /var/lib/${dirName}/qemu.conf cp -f ${qemuConfigFile} /var/lib/${dirName}/qemu.conf
# stable (not GC'able as in /nix/store) paths for using in <emulator> section of xml configs # stable (not GC'able as in /nix/store) paths for using in <emulator> section of xml configs
for emulator in ${pkgs.libvirt}/libexec/libvirt_lxc ${cfg.qemuPackage}/bin/qemu-kvm ${cfg.qemuPackage}/bin/qemu-system-*; do for emulator in ${cfg.package}/libexec/libvirt_lxc ${cfg.qemuPackage}/bin/qemu-kvm ${cfg.qemuPackage}/bin/qemu-system-*; do
ln -s --force "$emulator" /run/${dirName}/nix-emulators/ ln -s --force "$emulator" /run/${dirName}/nix-emulators/
done done
@ -234,7 +243,7 @@ in {
systemd.services.libvirt-guests = { systemd.services.libvirt-guests = {
wantedBy = [ "multi-user.target" ]; wantedBy = [ "multi-user.target" ];
path = with pkgs; [ coreutils libvirt gawk ]; path = with pkgs; [ coreutils gawk cfg.package ];
restartIfChanged = false; restartIfChanged = false;
environment.ON_BOOT = "${cfg.onBoot}"; environment.ON_BOOT = "${cfg.onBoot}";
@ -249,7 +258,7 @@ in {
systemd.services.virtlogd = { systemd.services.virtlogd = {
description = "Virtual machine log manager"; description = "Virtual machine log manager";
serviceConfig.ExecStart = "@${pkgs.libvirt}/sbin/virtlogd virtlogd"; serviceConfig.ExecStart = "@${cfg.package}/sbin/virtlogd virtlogd";
restartIfChanged = false; restartIfChanged = false;
}; };
@ -261,7 +270,7 @@ in {
systemd.services.virtlockd = { systemd.services.virtlockd = {
description = "Virtual machine lock manager"; description = "Virtual machine lock manager";
serviceConfig.ExecStart = "@${pkgs.libvirt}/sbin/virtlockd virtlockd"; serviceConfig.ExecStart = "@${cfg.package}/sbin/virtlockd virtlockd";
restartIfChanged = false; restartIfChanged = false;
}; };