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{ pkgs, ... }:
{
name = "libvirtd";
meta.maintainers = with pkgs.lib.maintainers; [ fpletz ];
nodes = {
virthost =
{ pkgs, ... }:
{
virtualisation = {
cores = 2;
memorySize = 2048;
libvirtd.enable = true;
libvirtd.hooks.qemu.is_working = "${pkgs.writeShellScript "testHook.sh" ''
touch /tmp/qemu_hook_is_working
''}";
libvirtd.nss.enable = true;
libvirtd.dbus.enable = true;
};
boot.supportedFilesystems = [ "zfs" ];
networking.hostId = "deadbeef"; # needed for zfs
security.polkit.enable = true;
environment.systemPackages = with pkgs; [ virt-manager ];
# This adds `resolve` to the `hosts` line of /etc/nsswitch.conf; NSS modules placed after it
# will not be consulted. Therefore this tests that the libvirtd NSS modules will be
# be placed early enough for name resolution to work.
services.resolved.enable = true;
};
};
testScript =
let
nixosInstallISO = (import ../release.nix { }).iso_minimal.${pkgs.stdenv.hostPlatform.system};
virshShutdownCmd = if pkgs.stdenv.hostPlatform.isx86_64 then "shutdown" else "destroy";
in
''
start_all()
virthost.wait_for_unit("multi-user.target")
with subtest("enable default network"):
virthost.succeed("virsh net-start default")
virthost.succeed("virsh net-autostart default")
virthost.succeed("virsh net-info default")
with subtest("check if partition disk pools works with parted"):
virthost.succeed("fallocate -l100m /tmp/foo; losetup /dev/loop0 /tmp/foo; echo 'label: dos' | sfdisk /dev/loop0")
virthost.succeed("virsh pool-create-as foo disk --source-dev /dev/loop0 --target /dev")
virthost.succeed("virsh vol-create-as foo loop0p1 25MB")
virthost.succeed("virsh vol-create-as foo loop0p2 50MB")
with subtest("check if virsh zfs pools work"):
virthost.succeed("fallocate -l100m /tmp/zfs; losetup /dev/loop1 /tmp/zfs;")
virthost.succeed("zpool create zfs_loop /dev/loop1")
virthost.succeed("virsh pool-define-as --name zfs_storagepool --source-name zfs_loop --type zfs")
virthost.succeed("virsh pool-start zfs_storagepool")
virthost.succeed("virsh vol-create-as zfs_storagepool disk1 25MB")
with subtest("check if nixos install iso boots, network and autostart works"):
# The guest runs sshd on port 22. We use passt-based networking to
# forward guest port 22 to host port 2222 and `nc -z` to assert that
# the host port can only be connected to once the guest is running.
virthost.fail("nc -z localhost 2222")
virthost.succeed(
"virt-install -n nixos --osinfo nixos-unstable --memory 1024 --graphics none --network default --network passt,portForward=2222:22 --disk `find ${nixosInstallISO}/iso -type f | head -n1`,readonly=on --import --noautoconsole --autostart"
)
virthost.succeed("virsh domstate nixos | grep running")
virthost.wait_until_succeeds("ping -c 1 nixos")
virthost.succeed("nc -z localhost 2222")
virthost.succeed("virsh ${virshShutdownCmd} nixos")
virthost.wait_until_succeeds("virsh domstate nixos | grep 'shut off'")
virthost.shutdown()
virthost.wait_for_unit("multi-user.target")
virthost.wait_until_succeeds("ping -c 1 nixos")
virthost.succeed("nc -z localhost 2222")
with subtest("test if hooks are linked and run"):
virthost.succeed("ls /var/lib/libvirt/hooks/qemu.d/is_working")
virthost.succeed("ls /tmp/qemu_hook_is_working")
with subtest("check libvirt over dbus"):
# The service is activated on-demand and shouldn't be active yet
virthost.fail("systemctl is-active libvirt-dbus.service")
# Get the hostname property of the Test connection (this will activate the service)
virthost.succeed("busctl get-property org.libvirt /org/libvirt/Test org.libvirt.Connect Hostname")
# Now the service should be active
virthost.succeed("systemctl is-active libvirt-dbus.service")
'';
}
|
