import ./make-test-python.nix ({ pkgs, lib, ... } : let lxd-image = 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 ]; }; }; lxd-image-metadata = lxd-image.lxdMeta.${pkgs.stdenv.hostPlatform.system}; lxd-image-rootfs = lxd-image.lxdImage.${pkgs.stdenv.hostPlatform.system}; in { name = "lxd"; meta = with pkgs.lib.maintainers; { maintainers = [ patryk27 ]; }; nodes.machine = { lib, ... }: { virtualisation = { diskSize = 4096; # Since we're testing `limits.cpu`, we've gotta have a known number of # cores to lean on cores = 2; # Ditto, for `limits.memory` memorySize = 512; lxc.lxcfs.enable = true; lxd.enable = true; }; }; testScript = '' machine.wait_for_unit("sockets.target") machine.wait_for_unit("lxd.service") machine.wait_for_file("/var/lib/lxd/unix.socket") # It takes additional second for lxd to settle machine.sleep(1) # lxd expects the pool's directory to already exist machine.succeed("mkdir /var/lxd-pool") machine.succeed( "cat ${./common/lxd/config.yaml} | lxd init --preseed" ) machine.succeed( "lxc image import ${lxd-image-metadata}/*/*.tar.xz ${lxd-image-rootfs}/*/*.tar.xz --alias nixos" ) with subtest("Container can be managed"): machine.succeed("lxc launch nixos container") machine.sleep(5) machine.succeed("echo true | lxc exec container /run/current-system/sw/bin/bash -") machine.succeed("lxc exec container true") machine.succeed("lxc delete -f container") with subtest("Container is mounted with lxcfs inside"): machine.succeed("lxc launch nixos container") machine.sleep(5) ## ---------- ## ## limits.cpu ## machine.succeed("lxc config set container limits.cpu 1") machine.succeed("lxc restart container") machine.sleep(5) assert ( "1" == machine.succeed("lxc exec container grep -- -c ^processor /proc/cpuinfo").strip() ) machine.succeed("lxc config set container limits.cpu 2") machine.succeed("lxc restart container") machine.sleep(5) assert ( "2" == machine.succeed("lxc exec container grep -- -c ^processor /proc/cpuinfo").strip() ) ## ------------- ## ## limits.memory ## machine.succeed("lxc config set container limits.memory 64MB") machine.succeed("lxc restart container") machine.sleep(5) assert ( "MemTotal: 62500 kB" == machine.succeed("lxc exec container grep -- MemTotal /proc/meminfo").strip() ) machine.succeed("lxc config set container limits.memory 128MB") machine.succeed("lxc restart container") machine.sleep(5) assert ( "MemTotal: 125000 kB" == machine.succeed("lxc exec container grep -- MemTotal /proc/meminfo").strip() ) machine.succeed("lxc delete -f container") ''; })