pyrox.dev
1import ./make-test-python.nix (
2 { pkgs, lib, ... }:
3 let
4 initiatorName = "iqn.2020-08.org.linux-iscsi.initiatorhost:example";
5 targetName = "iqn.2003-01.org.linux-iscsi.target.x8664:sn.acf8fd9c23af";
6 in
7 {
8 name = "iscsi";
9 meta = {
10 maintainers = pkgs.lib.teams.deshaw.members
11 ++ (with pkgs.lib.maintainers; [ ajs124 ]);
12 };
13
14 nodes = {
15 target = { config, pkgs, lib, ... }: {
16 services.target = {
17 enable = true;
18 config = {
19 fabric_modules = [];
20 storage_objects = [
21 {
22 dev = "/dev/vdb";
23 name = "test";
24 plugin = "block";
25 write_back = true;
26 wwn = "92b17c3f-6b40-4168-b082-ceeb7b495522";
27 }
28 ];
29 targets = [
30 {
31 fabric = "iscsi";
32 tpgs = [
33 {
34 enable = true;
35 attributes = {
36 authentication = 0;
37 generate_node_acls = 1;
38 };
39 luns = [
40 {
41 alias = "94dfe06967";
42 alua_tg_pt_gp_name = "default_tg_pt_gp";
43 index = 0;
44 storage_object = "/backstores/block/test";
45 }
46 ];
47 node_acls = [
48 {
49 mapped_luns = [
50 {
51 alias = "d42f5bdf8a";
52 index = 0;
53 tpg_lun = 0;
54 write_protect = false;
55 }
56 ];
57 node_wwn = initiatorName;
58 }
59 ];
60 portals = [
61 {
62 ip_address = "0.0.0.0";
63 iser = false;
64 offload = false;
65 port = 3260;
66 }
67 ];
68 tag = 1;
69 }
70 ];
71 wwn = targetName;
72 }
73 ];
74 };
75 };
76
77 networking.firewall.allowedTCPPorts = [ 3260 ];
78 networking.firewall.allowedUDPPorts = [ 3260 ];
79
80 virtualisation.memorySize = 2048;
81 virtualisation.emptyDiskImages = [ 2048 ];
82 };
83
84 initiatorAuto = { nodes, config, pkgs, ... }: {
85 services.openiscsi = {
86 enable = true;
87 enableAutoLoginOut = true;
88 discoverPortal = "target";
89 name = initiatorName;
90 };
91
92 environment.systemPackages = with pkgs; [
93 xfsprogs
94 ];
95
96 system.extraDependencies = [ nodes.initiatorRootDisk.config.system.build.toplevel ];
97
98 nix.settings = {
99 substituters = lib.mkForce [];
100 hashed-mirrors = null;
101 connect-timeout = 1;
102 };
103 };
104
105 initiatorRootDisk = { config, pkgs, modulesPath, lib, ... }: {
106 boot.loader.grub.enable = false;
107 boot.kernelParams = lib.mkOverride 5 (
108 [
109 "boot.shell_on_fail"
110 "console=tty1"
111 "ip=${config.networking.primaryIPAddress}:::255.255.255.0::ens9:none"
112 ]
113 );
114
115 # defaults to true, puts some code in the initrd that tries to mount an overlayfs on /nix/store
116 virtualisation.writableStore = false;
117
118 fileSystems = lib.mkOverride 5 {
119 "/" = {
120 fsType = "xfs";
121 device = "/dev/sda";
122 options = [ "_netdev" ];
123 };
124 };
125
126 boot.iscsi-initiator = {
127 discoverPortal = "target";
128 name = initiatorName;
129 target = targetName;
130 };
131 };
132 };
133
134 testScript = { nodes, ... }: ''
135 target.start()
136 target.wait_for_unit("iscsi-target.service")
137
138 initiatorAuto.start()
139
140 initiatorAuto.wait_for_unit("iscsid.service")
141 initiatorAuto.wait_for_unit("iscsi.service")
142 initiatorAuto.get_unit_info("iscsi")
143
144 initiatorAuto.succeed("set -x; while ! test -e /dev/sda; do sleep 1; done")
145
146 initiatorAuto.succeed("mkfs.xfs /dev/sda")
147 initiatorAuto.succeed("mkdir /mnt && mount /dev/sda /mnt")
148 initiatorAuto.succeed(
149 "nixos-install --no-bootloader --no-root-passwd --system ${nodes.initiatorRootDisk.config.system.build.toplevel}"
150 )
151 initiatorAuto.succeed("umount /mnt && rmdir /mnt")
152 initiatorAuto.shutdown()
153
154 initiatorRootDisk.start()
155 initiatorRootDisk.wait_for_unit("multi-user.target")
156 initiatorRootDisk.wait_for_unit("iscsid")
157 initiatorRootDisk.succeed("touch test")
158 initiatorRootDisk.shutdown()
159 '';
160 }
161)