1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
|
{ pkgs ? (import <nixpkgs> { })
, makeTest ? import <nixpkgs/nixos/tests/make-test-python.nix>
, eval-config ? import <nixpkgs/nixos/lib/eval-config.nix>
, ...
}:
{
makeDiskoTest =
{ disko-config
, extraTestScript ? ""
, bootCommands ? ""
, extraConfig ? { }
, grub-devices ? [ "nodev" ]
, efi ? true
, enableOCR ? false
, testMode ? "direct" # can be one of direct module cli
, testBoot ? true # if we actually want to test booting or just create/mount
}:
let
lib = pkgs.lib;
makeTest' = args:
makeTest args {
inherit pkgs;
inherit (pkgs) system;
};
disks = [ "/dev/vda" "/dev/vdb" "/dev/vdc" "/dev/vdd" "/dev/vde" "/dev/vdf" ];
tsp-create = pkgs.writeScript "create" ((pkgs.callPackage ../. { }).create (import disko-config { disks = builtins.tail disks; inherit lib; }));
tsp-mount = pkgs.writeScript "mount" ((pkgs.callPackage ../. { }).mount (import disko-config { disks = builtins.tail disks; inherit lib; }));
tsp-config = (pkgs.callPackage ../. { }).config (import disko-config { inherit disks; inherit lib; });
num-disks = builtins.length (lib.attrNames (import disko-config { inherit lib; }).disk);
installed-system = { modulesPath, ... }: {
imports = [
(lib.optionalAttrs (testMode == "direct" || testMode == "cli") tsp-config)
(lib.optionalAttrs (testMode == "module") {
imports = [ ../module.nix ];
disko = {
enableConfig = true;
devices = import disko-config { inherit disks lib; };
};
})
(modulesPath + "/testing/test-instrumentation.nix")
(modulesPath + "/profiles/qemu-guest.nix")
(modulesPath + "/profiles/minimal.nix")
extraConfig
];
fileSystems."/nix/store" = {
device = "nix-store";
fsType = "9p";
neededForBoot = true;
options = [ "trans=virtio" "version=9p2000.L" "cache=loose" ];
};
documentation.enable = false;
hardware.enableAllFirmware = lib.mkForce false;
networking.hostId = "8425e349"; # from profiles/base.nix, needed for zfs
boot.kernelParams = lib.mkAfter [ "console=tty0" ]; # needed to have serial interaction during boot
boot.zfs.devNodes = "/dev/disk/by-uuid"; # needed because /dev/disk/by-id is empty in qemu-vms
boot.consoleLogLevel = lib.mkForce 100;
boot.loader.grub = {
devices = grub-devices;
efiSupport = efi;
efiInstallAsRemovable = efi;
};
environment.systemPackages = [
pkgs.jq
];
};
installedTopLevel = (eval-config {
modules = [ installed-system ];
inherit (pkgs) system;
}).config.system.build.toplevel;
in
makeTest' {
name = "disko";
inherit enableOCR;
nodes.machine = { config, pkgs, modulesPath, ... }: {
imports = [
(lib.optionalAttrs (testMode == "module") {
imports = [ ../module.nix ];
disko = {
enableConfig = false;
devices = import disko-config { disks = builtins.tail disks; inherit lib; };
};
})
(lib.optionalAttrs (testMode == "cli") {
imports = [ (modulesPath + "/installer/cd-dvd/channel.nix") ];
system.extraDependencies = [
((pkgs.callPackage ../. { }).createScript (import disko-config { disks = builtins.tail disks; inherit lib; }) pkgs)
((pkgs.callPackage ../. { }).mountScript (import disko-config { disks = builtins.tail disks; inherit lib; }) pkgs)
];
})
(modulesPath + "/profiles/base.nix")
(modulesPath + "/profiles/minimal.nix")
extraConfig
];
# speed-up eval
documentation.enable = false;
nix.settings = {
substituters = lib.mkForce [];
hashed-mirrors = null;
connect-timeout = 1;
};
virtualisation.emptyDiskImages = builtins.genList (_: 4096) num-disks;
};
testScript = { nodes, ... }: ''
def disks(oldmachine, num_disks):
disk_flags = ""
for i in range(num_disks):
disk_flags += f' -drive file={oldmachine.state_dir}/empty{i}.qcow2,id=drive{i + 1},if=none,index={i + 1},werror=report'
disk_flags += f' -device virtio-blk-pci,drive=drive{i + 1}'
return disk_flags
def create_test_machine(oldmachine=None, args={}): # taken from <nixpkgs/nixos/tests/installer.nix>
machine = create_machine({
"qemuFlags": "-cpu max -m 1024 -virtfs local,path=/nix/store,security_model=none,mount_tag=nix-store" + disks(oldmachine, ${toString num-disks}),
${lib.optionalString efi ''"bios": "${pkgs.OVMF.fd}/FV/OVMF.fd",''}
} | args)
driver.machines.append(machine)
return machine
machine.start()
machine.succeed("echo -n 'secret' > /tmp/secret.key")
${lib.optionalString (testMode == "direct") ''
machine.succeed("${tsp-create}")
machine.succeed("${tsp-mount}")
machine.succeed("${tsp-mount}") # verify that the command is idempotent
''}
${lib.optionalString (testMode == "module") ''
machine.succeed("${nodes.machine.system.build.formatScript}")
machine.succeed("${nodes.machine.system.build.mountScript}")
machine.succeed("${nodes.machine.system.build.mountScript}") # verify that the command is idempotent
''}
${lib.optionalString (testMode == "cli") ''
# TODO use the disko cli here
# machine.succeed("${../.}/disko --no-pkgs --mode create ${disko-config}")
# machine.succeed("${../.}/disko --no-pkgs --mode mount ${disko-config}")
# machine.succeed("${../.}/disko --no-pkgs --mode mount ${disko-config}") # verify that the command is idempotent
machine.succeed("${tsp-create}")
machine.succeed("${tsp-mount}")
machine.succeed("${tsp-mount}") # verify that the command is idempotent
''}
${lib.optionalString testBoot ''
# mount nix-store in /mnt
machine.succeed("mkdir -p /mnt/nix/store")
machine.succeed("mount --bind /nix/store /mnt/nix/store")
machine.succeed("nix-store --load-db < ${pkgs.closureInfo {rootPaths = [installedTopLevel];}}/registration")
# fix "this is not a NixOS installation"
machine.succeed("mkdir -p /mnt/etc")
machine.succeed("touch /mnt/etc/NIXOS")
machine.succeed("mkdir -p /mnt/nix/var/nix/profiles")
machine.succeed("nix-env -p /mnt/nix/var/nix/profiles/system --set ${installedTopLevel}")
machine.succeed("NIXOS_INSTALL_BOOTLOADER=1 nixos-enter --root /mnt -- ${installedTopLevel}/bin/switch-to-configuration boot")
machine.succeed("sync")
machine.shutdown()
machine = create_test_machine(oldmachine=machine, args={ "name": "booted_machine" })
machine.start()
${bootCommands}
machine.wait_for_unit("local-fs.target")
''}
${extraTestScript}
'';
};
}
|
