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|
import ./make-test-python.nix (
{ pkgs, lib, ... }:
let
initiatorName = "iqn.2020-08.org.linux-iscsi.initiatorhost:example";
targetName = "iqn.2003-01.org.linux-iscsi.target.x8664:sn.acf8fd9c23af";
in
{
name = "iscsi";
meta = {
maintainers = pkgs.lib.teams.deshaw.members
++ (with pkgs.lib.maintainers; [ ajs124 ]);
};
nodes = {
target = { config, pkgs, lib, ... }: {
services.target = {
enable = true;
config = {
fabric_modules = [];
storage_objects = [
{
dev = "/dev/vdb";
name = "test";
plugin = "block";
write_back = true;
wwn = "92b17c3f-6b40-4168-b082-ceeb7b495522";
}
];
targets = [
{
fabric = "iscsi";
tpgs = [
{
enable = true;
attributes = {
authentication = 0;
generate_node_acls = 1;
};
luns = [
{
alias = "94dfe06967";
alua_tg_pt_gp_name = "default_tg_pt_gp";
index = 0;
storage_object = "/backstores/block/test";
}
];
node_acls = [
{
mapped_luns = [
{
alias = "d42f5bdf8a";
index = 0;
tpg_lun = 0;
write_protect = false;
}
];
node_wwn = initiatorName;
}
];
portals = [
{
ip_address = "0.0.0.0";
iser = false;
offload = false;
port = 3260;
}
];
tag = 1;
}
];
wwn = targetName;
}
];
};
};
networking.firewall.allowedTCPPorts = [ 3260 ];
networking.firewall.allowedUDPPorts = [ 3260 ];
virtualisation.memorySize = 2048;
virtualisation.emptyDiskImages = [ 2048 ];
};
initiatorAuto = { nodes, config, pkgs, ... }: {
services.openiscsi = {
enable = true;
enableAutoLoginOut = true;
discoverPortal = "target";
name = initiatorName;
};
environment.systemPackages = with pkgs; [
xfsprogs
];
system.extraDependencies = [ nodes.initiatorRootDisk.config.system.build.toplevel ];
nix.settings = {
substituters = lib.mkForce [];
hashed-mirrors = null;
connect-timeout = 1;
};
};
initiatorRootDisk = { config, pkgs, modulesPath, lib, ... }: {
boot.loader.grub.enable = false;
boot.kernelParams = lib.mkOverride 5 (
[
"boot.shell_on_fail"
"console=tty1"
"ip=${config.networking.primaryIPAddress}:::255.255.255.0::ens9:none"
]
);
# defaults to true, puts some code in the initrd that tries to mount an overlayfs on /nix/store
virtualisation.writableStore = false;
fileSystems = lib.mkOverride 5 {
"/" = {
fsType = "xfs";
device = "/dev/sda";
options = [ "_netdev" ];
};
};
boot.iscsi-initiator = {
discoverPortal = "target";
name = initiatorName;
target = targetName;
};
};
};
testScript = { nodes, ... }: ''
target.start()
target.wait_for_unit("iscsi-target.service")
initiatorAuto.start()
initiatorAuto.wait_for_unit("iscsid.service")
initiatorAuto.wait_for_unit("iscsi.service")
initiatorAuto.get_unit_info("iscsi")
initiatorAuto.succeed("set -x; while ! test -e /dev/sda; do sleep 1; done")
initiatorAuto.succeed("mkfs.xfs /dev/sda")
initiatorAuto.succeed("mkdir /mnt && mount /dev/sda /mnt")
initiatorAuto.succeed(
"nixos-install --no-bootloader --no-root-passwd --system ${nodes.initiatorRootDisk.config.system.build.toplevel}"
)
initiatorAuto.succeed("umount /mnt && rmdir /mnt")
initiatorAuto.shutdown()
initiatorRootDisk.start()
initiatorRootDisk.wait_for_unit("multi-user.target")
initiatorRootDisk.wait_for_unit("iscsid")
initiatorRootDisk.succeed("touch test")
initiatorRootDisk.shutdown()
'';
}
)
|