pyrox.dev
1# Miscellaneous small tests that don't warrant their own VM run.
2
3import ./make-test-python.nix ({ lib, pkgs, ...} : let
4 foo = pkgs.writeText "foo" "Hello World";
5in {
6 name = "misc";
7 meta.maintainers = with lib.maintainers; [ eelco ];
8
9 nodes.machine =
10 { lib, ... }:
11 { swapDevices = lib.mkOverride 0
12 [ { device = "/root/swapfile"; size = 128; } ];
13 environment.variables.EDITOR = lib.mkOverride 0 "emacs";
14 documentation.nixos.enable = lib.mkOverride 0 true;
15 systemd.tmpfiles.rules = [ "d /tmp 1777 root root 10d" ];
16 systemd.tmpfiles.settings."10-test"."/tmp/somefile".d = {};
17 virtualisation.fileSystems = { "/tmp2" =
18 { fsType = "tmpfs";
19 options = [ "mode=1777" "noauto" ];
20 };
21 # Tests https://discourse.nixos.org/t/how-to-make-a-derivations-executables-have-the-s-permission/8555
22 "/user-mount/point" = {
23 device = "/user-mount/source";
24 fsType = "none";
25 options = [ "bind" "rw" "user" "noauto" ];
26 };
27 "/user-mount/denied-point" = {
28 device = "/user-mount/denied-source";
29 fsType = "none";
30 options = [ "bind" "rw" "noauto" ];
31 };
32 };
33 systemd.automounts = lib.singleton
34 { wantedBy = [ "multi-user.target" ];
35 where = "/tmp2";
36 };
37 users.users.sybil = { isNormalUser = true; group = "wheel"; };
38 users.users.alice = { isNormalUser = true; };
39 security.sudo = { enable = true; wheelNeedsPassword = false; };
40 boot.kernel.sysctl."vm.swappiness" = 1;
41 boot.kernelParams = [ "vsyscall=emulate" ];
42 system.extraDependencies = [ foo ];
43 };
44
45 testScript =
46 ''
47 import json
48
49
50 def get_path_info(path):
51 result = machine.succeed(f"nix --option experimental-features nix-command path-info --json {path}")
52 parsed = json.loads(result)
53 return parsed
54
55
56 with subtest("nix-db"):
57 info = get_path_info("${foo}")
58 print(info)
59
60 if (
61 info[0]["narHash"]
62 != "sha256-BdMdnb/0eWy3EddjE83rdgzWWpQjfWPAj3zDIFMD3Ck="
63 ):
64 raise Exception("narHash not set")
65
66 if info[0]["narSize"] != 128:
67 raise Exception("narSize not set")
68
69 with subtest("nixos-version"):
70 machine.succeed("[ `nixos-version | wc -w` = 2 ]")
71
72 with subtest("nixos-rebuild"):
73 assert "NixOS module" in machine.succeed("nixos-rebuild --help")
74
75 with subtest("Sanity check for uid/gid assignment"):
76 assert "4" == machine.succeed("id -u messagebus").strip()
77 assert "4" == machine.succeed("id -g messagebus").strip()
78 assert "users:x:100:" == machine.succeed("getent group users").strip()
79
80 with subtest("Regression test for GMP aborts on QEMU."):
81 machine.succeed("expr 1 + 2")
82
83 with subtest("the swap file got created"):
84 machine.wait_for_unit("root-swapfile.swap")
85 machine.succeed("ls -l /root/swapfile | grep 134217728")
86
87 with subtest("whether kernel.poweroff_cmd is set"):
88 machine.succeed('[ -x "$(cat /proc/sys/kernel/poweroff_cmd)" ]')
89
90 with subtest("whether the io cgroupv2 controller is properly enabled"):
91 machine.succeed("grep -q '\\bio\\b' /sys/fs/cgroup/cgroup.controllers")
92
93 with subtest("whether we have a reboot record in wtmp"):
94 machine.shutdown
95 machine.wait_for_unit("multi-user.target")
96 machine.succeed("last | grep reboot >&2")
97
98 with subtest("whether we can override environment variables"):
99 machine.succeed('[ "$EDITOR" = emacs ]')
100
101 with subtest("whether hostname (and by extension nss_myhostname) works"):
102 assert "machine" == machine.succeed("hostname").strip()
103 assert "machine" == machine.succeed("hostname -s").strip()
104
105 with subtest("whether systemd-udevd automatically loads modules for our hardware"):
106 machine.succeed("systemctl start systemd-udev-settle.service")
107 machine.wait_for_unit("systemd-udev-settle.service")
108 assert "mousedev" in machine.succeed("lsmod")
109
110 with subtest("whether systemd-tmpfiles-clean works"):
111 machine.succeed(
112 "touch /tmp/foo", "systemctl start systemd-tmpfiles-clean", "[ -e /tmp/foo ]"
113 )
114 # move into the future
115 machine.succeed(
116 'date -s "@$(($(date +%s) + 1000000))"',
117 "systemctl start systemd-tmpfiles-clean",
118 )
119 machine.fail("[ -e /tmp/foo ]")
120
121 with subtest("whether systemd-tmpfiles settings works"):
122 machine.succeed("[ -e /tmp/somefile ]")
123
124 with subtest("whether automounting works"):
125 machine.fail("grep '/tmp2 tmpfs' /proc/mounts")
126 machine.succeed("touch /tmp2/x")
127 machine.succeed("grep '/tmp2 tmpfs' /proc/mounts")
128
129 with subtest(
130 "Whether mounting by a user is possible with the `user` option in fstab (#95444)"
131 ):
132 machine.succeed("mkdir -p /user-mount/source")
133 machine.succeed("touch /user-mount/source/file")
134 machine.succeed("chmod -R a+Xr /user-mount/source")
135 machine.succeed("mkdir /user-mount/point")
136 machine.succeed("chown alice:users /user-mount/point")
137 machine.succeed("su - alice -c 'mount /user-mount/point'")
138 machine.succeed("su - alice -c 'ls /user-mount/point/file'")
139 with subtest(
140 "Whether mounting by a user is denied without the `user` option in fstab"
141 ):
142 machine.succeed("mkdir -p /user-mount/denied-source")
143 machine.succeed("touch /user-mount/denied-source/file")
144 machine.succeed("chmod -R a+Xr /user-mount/denied-source")
145 machine.succeed("mkdir /user-mount/denied-point")
146 machine.succeed("chown alice:users /user-mount/denied-point")
147 machine.fail("su - alice -c 'mount /user-mount/denied-point'")
148
149 with subtest("shell-vars"):
150 machine.succeed('[ -n "$NIX_PATH" ]')
151
152 with subtest("nix-db"):
153 machine.succeed("nix-store -qR /run/current-system | grep nixos-")
154
155 with subtest("Test sysctl"):
156 machine.wait_for_unit("systemd-sysctl.service")
157 assert "1" == machine.succeed("sysctl -ne vm.swappiness").strip()
158 machine.execute("sysctl vm.swappiness=60")
159 assert "60" == machine.succeed("sysctl -ne vm.swappiness").strip()
160
161 with subtest("Test boot parameters"):
162 assert "vsyscall=emulate" in machine.succeed("cat /proc/cmdline")
163 '';
164})