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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 0.0.0.0:4420")
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")
'';
})
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