commit a90385c62b75df48f3ebd29f99d017f06966c569 · pyrox.dev/nixpkgs

+75

nixos/modules/virtualisation/lxd.nix

···

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       let

     

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         cfg = config.virtualisation.lxd;

     

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         preseedFormat = pkgs.formats.yaml {};

     

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       in {

     

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         imports = [

     

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           (lib.mkRemovedOptionModule [ "virtualisation" "lxd" "zfsPackage" ] "Override zfs in an overlay instead to override it globally")

     
···

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               '';

     

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             };

     

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             preseed = lib.mkOption {

     

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               type = lib.types.nullOr (lib.types.submodule {

     

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                 freeformType = preseedFormat.type;

     

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               });

     

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               default = null;

     

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               description = lib.mdDoc ''

     

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                 Configuration for LXD preseed, see

     

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                 <https://documentation.ubuntu.com/lxd/en/latest/howto/initialize/#initialize-preseed>

     

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                 for supported values.

     

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                 Changes to this will be re-applied to LXD which will overwrite existing entities or create missing ones,

     

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                 but entities will *not* be removed by preseed.

     

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               '';

     

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               example = lib.literalExpression ''

     

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                 {

     

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                   networks = [

     

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                     {

     

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                       name = "lxdbr0";

     

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                       type = "bridge";

     

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                       config = {

     

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                         "ipv4.address" = "10.0.100.1/24";

     

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                         "ipv4.nat" = "true";

     

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                       };

     

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                     }

     

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                   ];

     

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                   profiles = [

     

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                     {

     

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                       name = "default";

     

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                       devices = {

     

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                         eth0 = {

     

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                           name = "eth0";

     

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                           network = "lxdbr0";

     

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                           type = "nic";

     

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                         };

     

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                         root = {

     

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                           path = "/";

     

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                           pool = "default";

     

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                           size = "35GiB";

     

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                           type = "disk";

     

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                         };

     

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                       };

     

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                     }

     

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                   ];

     

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                   storage_pools = [

     

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                     {

     

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                       name = "default";

     

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                       driver = "dir";

     

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                       config = {

     

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                         source = "/var/lib/lxd/storage-pools/default";

     

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                       };

     

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                     }

     

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                   ];

     

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                 }

     

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               '';

     

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             };

     

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             startTimeout = lib.mkOption {

     

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               type = lib.types.int;

     

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               default = 600;

     
···

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               # explicitly tell it where the actual configuration files are

     

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               Environment = lib.mkIf (config.virtualisation.lxc.lxcfs.enable)

     

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                 "LXD_LXC_TEMPLATE_CONFIG=${pkgs.lxcfs}/share/lxc/config";

     

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             };

     

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           };

     

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           systemd.services.lxd-preseed = lib.mkIf (cfg.preseed != null) {

     

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             description = "LXD initialization with preseed file";

     

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             wantedBy = ["multi-user.target"];

     

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             requires = ["lxd.service"];

     

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             after = ["lxd.service"];

     

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             script = ''

     

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               ${pkgs.coreutils}/bin/cat ${preseedFormat.generate "lxd-preseed.yaml" cfg.preseed} | ${cfg.package}/bin/lxd init --preseed

     

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             '';

     

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             serviceConfig = {

     

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               Type = "oneshot";

     

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             };

     

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           };

     

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nixos/tests/lxd/container.nix

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           # Wait for lxd to settle

     

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           machine.succeed("lxd waitready")

     

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           # no preseed should mean no service

     

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           machine.fail("systemctl status lxd-preseed.service")

     

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           machine.succeed("lxd init --minimal")

     

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           machine.succeed(

nixos/tests/lxd/default.nix

···

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       }: {

     

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         container = import ./container.nix {inherit system pkgs;};

     

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         nftables = import ./nftables.nix {inherit system pkgs;};

     

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         preseed = import ./preseed.nix {inherit system pkgs;};

     

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         ui = import ./ui.nix {inherit system pkgs;};

     

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         virtual-machine = import ./virtual-machine.nix { inherit system pkgs; };

     

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       }

+71

nixos/tests/lxd/preseed.nix

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       import ../make-test-python.nix ({ pkgs, lib, ... } :

     

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       {

     

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         name = "lxd-preseed";

     

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         meta = {

     

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           maintainers = with lib.maintainers; [ adamcstephens ];

     

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         };

     

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         nodes.machine = { lib, ... }: {

     

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           virtualisation = {

     

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             diskSize = 4096;

     

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             lxc.lxcfs.enable = true;

     

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             lxd.enable = true;

     

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             lxd.preseed = {

     

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               networks = [

     

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                 {

     

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                   name = "nixostestbr0";

     

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                   type = "bridge";

     

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                   config = {

     

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                     "ipv4.address" = "10.0.100.1/24";

     

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                     "ipv4.nat" = "true";

     

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                   };

     

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                 }

     

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               ];

     

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               profiles = [

     

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                 {

     

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                   name = "nixostest_default";

     

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                   devices = {

     

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                     eth0 = {

     

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                       name = "eth0";

     

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                       network = "nixostestbr0";

     

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                       type = "nic";

     

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                     };

     

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                     root = {

     

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                       path = "/";

     

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                       pool = "default";

     

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                       size = "35GiB";

     

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                       type = "disk";

     

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                     };

     

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                   };

     

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                 }

     

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               ];

     

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               storage_pools = [

     

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                 {

     

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                   name = "nixostest_pool";

     

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                   driver = "dir";

     

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                 }

     

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               ];

     

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             };

     

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           };

     

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         };

     

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         testScript = ''

     

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           def wait_for_preseed(_) -> bool:

     

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             _, output = machine.systemctl("is-active lxd-preseed.service")

     

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             return ("inactive" in output)

     

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           machine.wait_for_unit("sockets.target")

     

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           machine.wait_for_unit("lxd.service")

     

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           with machine.nested("Waiting for preseed to complete"):

     

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             retry(wait_for_preseed)

     

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           with subtest("Verify preseed resources created"):

     

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             machine.succeed("lxc profile show nixostest_default")

     

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             machine.succeed("lxc network info nixostestbr0")

     

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             machine.succeed("lxc storage show nixostest_pool")

     

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         '';

     

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       })