import ./make-test-python.nix ({ lib, ... }: { name = "nvmetcfg"; meta = { maintainers = with lib.maintainers; [ nickcao ]; }; nodes = { server = { pkgs, ... }: { boot.kernelModules = [ "nvmet" ]; environment.systemPackages = [ pkgs.nvmetcfg ]; networking.firewall.allowedTCPPorts = [ 4420 ]; virtualisation.emptyDiskImages = [ 512 ]; }; client = { pkgs, ... }: { boot.kernelModules = [ "nvme-fabrics" ]; environment.systemPackages = [ pkgs.nvme-cli ]; }; }; testScript = let subsystem = "nqn.2014-08.org.nixos:server"; in '' import json with subtest("Create subsystem and namespace"): server.succeed("nvmet subsystem add ${subsystem}") server.succeed("nvmet namespace add ${subsystem} 1 /dev/vdb") with subtest("Bind subsystem to port"): server.wait_for_unit("network-online.target") server.succeed("nvmet port add 1 tcp [::]:4420") server.succeed("nvmet port add-subsystem 1 ${subsystem}") with subtest("Discover and connect to available subsystems"): client.wait_for_unit("network-online.target") assert "subnqn: ${subsystem}" in client.succeed("nvme discover --transport=tcp --traddr=server --trsvcid=4420") client.succeed("nvme connect-all --transport=tcp --traddr=server --trsvcid=4420") with subtest("Write to the connected subsystem"): devices = json.loads(client.succeed("lsblk --nvme --paths --json"))["blockdevices"] assert len(devices) == 1 client.succeed(f"dd if=/dev/zero of={devices[0]['name']} bs=1M count=64") ''; })