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https://github.com/ilyakooo0/nixpkgs.git
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78 lines
3.2 KiB
Nix
78 lines
3.2 KiB
Nix
import ../make-test-python.nix ({ pkgs, lib, ... } :
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let
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releases = import ../../release.nix {
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configuration = {
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# Building documentation makes the test unnecessarily take a longer time:
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documentation.enable = lib.mkForce false;
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};
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};
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container-image-metadata = releases.lxdContainerMeta.${pkgs.stdenv.hostPlatform.system};
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container-image-rootfs = releases.lxdContainerImage.${pkgs.stdenv.hostPlatform.system};
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in
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{
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name = "incus-container";
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meta.maintainers = with lib.maintainers; [ adamcstephens ];
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nodes.machine = { ... }: {
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virtualisation = {
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# Ensure test VM has enough resources for creating and managing guests
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cores = 2;
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memorySize = 1024;
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diskSize = 4096;
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incus.enable = true;
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};
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};
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testScript = ''
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def instance_is_up(_) -> bool:
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status, _ = machine.execute("incus exec container --disable-stdin --force-interactive /run/current-system/sw/bin/true")
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return status == 0
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def set_container(config):
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machine.succeed(f"incus config set container {config}")
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machine.succeed("incus restart container")
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with machine.nested("Waiting for instance to start and be usable"):
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retry(instance_is_up)
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machine.wait_for_unit("incus.service")
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# no preseed should mean no service
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machine.fail("systemctl status incus-preseed.service")
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machine.succeed("incus admin init --minimal")
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with subtest("Container image can be imported"):
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machine.succeed("incus image import ${container-image-metadata}/*/*.tar.xz ${container-image-rootfs}/*/*.tar.xz --alias nixos")
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with subtest("Container can be launched and managed"):
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machine.succeed("incus launch nixos container")
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with machine.nested("Waiting for instance to start and be usable"):
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retry(instance_is_up)
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machine.succeed("echo true | incus exec container /run/current-system/sw/bin/bash -")
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with subtest("Container CPU limits can be managed"):
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set_container("limits.cpu 1")
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cpuinfo = machine.succeed("incus exec container grep -- -c ^processor /proc/cpuinfo").strip()
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assert cpuinfo == "1", f"Wrong number of CPUs reported from /proc/cpuinfo, want: 1, got: {cpuinfo}"
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set_container("limits.cpu 2")
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cpuinfo = machine.succeed("incus exec container grep -- -c ^processor /proc/cpuinfo").strip()
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assert cpuinfo == "2", f"Wrong number of CPUs reported from /proc/cpuinfo, want: 2, got: {cpuinfo}"
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with subtest("Container memory limits can be managed"):
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set_container("limits.memory 64MB")
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meminfo = machine.succeed("incus exec container grep -- MemTotal /proc/meminfo").strip()
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meminfo_bytes = " ".join(meminfo.split(' ')[-2:])
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assert meminfo_bytes == "62500 kB", f"Wrong amount of memory reported from /proc/meminfo, want: '62500 kB', got: '{meminfo_bytes}'"
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set_container("limits.memory 128MB")
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meminfo = machine.succeed("incus exec container grep -- MemTotal /proc/meminfo").strip()
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meminfo_bytes = " ".join(meminfo.split(' ')[-2:])
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assert meminfo_bytes == "125000 kB", f"Wrong amount of memory reported from /proc/meminfo, want: '125000 kB', got: '{meminfo_bytes}'"
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'';
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})
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