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import ../make-test-python.nix ({ pkgs, lib, incus ? pkgs.incus-lts, ... }:
let
releases = import ../../release.nix {
configuration = {
# Building documentation makes the test unnecessarily take a longer time:
documentation.enable = lib.mkForce false;
# Our tests require `grep` & friends:
environment.systemPackages = with pkgs; [busybox];
};
};
vm-image-metadata = releases.lxdVirtualMachineImageMeta.${pkgs.stdenv.hostPlatform.system};
vm-image-disk = releases.lxdVirtualMachineImage.${pkgs.stdenv.hostPlatform.system};
instance-name = "instance1";
in
{
name = "incus-virtual-machine";
meta = {
maintainers = lib.teams.lxc.members;
};
nodes.machine = {...}: {
virtualisation = {
# Ensure test VM has enough resources for creating and managing guests
cores = 2;
memorySize = 1024;
diskSize = 4096;
# Provide a TPM to test vTPM support for guests
tpm.enable = true;
incus = {
enable = true;
package = incus;
};
};
networking.nftables.enable = true;
};
testScript = ''
def instance_is_up(_) -> bool:
status, _ = machine.execute("incus exec ${instance-name} --disable-stdin --force-interactive /run/current-system/sw/bin/systemctl -- is-system-running")
return status == 0
machine.wait_for_unit("incus.service")
machine.succeed("incus admin init --minimal")
with subtest("virtual-machine image can be imported"):
machine.succeed("incus image import ${vm-image-metadata}/*/*.tar.xz ${vm-image-disk}/nixos.qcow2 --alias nixos")
with subtest("virtual-machine can be created"):
machine.succeed("incus create nixos ${instance-name} --vm --config limits.memory=512MB --config security.secureboot=false")
with subtest("virtual tpm can be configured"):
machine.succeed("incus config device add ${instance-name} vtpm tpm path=/dev/tpm0")
with subtest("virtual-machine can be launched and become available"):
machine.succeed("incus start ${instance-name}")
with machine.nested("Waiting for instance to start and be usable"):
retry(instance_is_up)
with subtest("lxd-agent is started"):
machine.succeed("incus exec ${instance-name} systemctl is-active lxd-agent")
with subtest("lxd-agent has a valid path"):
machine.succeed("incus exec ${instance-name} -- bash -c 'true'")
with subtest("guest supports cpu hotplug"):
machine.succeed("incus config set ${instance-name} limits.cpu=1")
count = int(machine.succeed("incus exec ${instance-name} -- nproc").strip())
assert count == 1, f"Wrong number of CPUs reported, want: 1, got: {count}"
machine.succeed("incus config set ${instance-name} limits.cpu=2")
count = int(machine.succeed("incus exec ${instance-name} -- nproc").strip())
assert count == 2, f"Wrong number of CPUs reported, want: 2, got: {count}"
with subtest("Instance remains running when softDaemonRestart is enabled and services is stopped"):
pid = machine.succeed("incus info ${instance-name} | grep 'PID'").split(":")[1].strip()
machine.succeed(f"ps {pid}")
machine.succeed("systemctl stop incus")
machine.succeed(f"ps {pid}")
'';
})
|
