blob: 9d761c6d4d8b825f3799c6524b49f84e5cae256d (
plain) (
blame)
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
173
174
175
176
177
|
import ./make-test-python.nix ({ pkgs, ... }:
let
container = { config, ... }: {
# We re-use the NixOS container option ...
boot.isContainer = true;
# ... and revert unwanted defaults
networking.useHostResolvConf = false;
# use networkd to obtain systemd network setup
networking.useNetworkd = true;
networking.useDHCP = false;
# systemd-nspawn expects /sbin/init
boot.loader.initScript.enable = true;
imports = [ ../modules/profiles/minimal.nix ];
system.stateVersion = config.system.nixos.version;
};
containerSystem = (import ../lib/eval-config.nix {
inherit (pkgs) system;
modules = [ container ];
}).config.system.build.toplevel;
containerName = "container";
containerRoot = "/var/lib/machines/${containerName}";
containerTarball = pkgs.callPackage ../lib/make-system-tarball.nix {
storeContents = [
{
object = containerSystem;
symlink = "/nix/var/nix/profiles/system";
}
];
contents = [
{
source = containerSystem + "/etc/os-release";
target = "/etc/os-release";
}
{
source = containerSystem + "/init";
target = "/sbin/init";
}
];
};
in
{
name = "systemd-machinectl";
nodes.machine = { lib, ... }: {
# use networkd to obtain systemd network setup
networking.useNetworkd = true;
networking.useDHCP = false;
# do not try to access cache.nixos.org
nix.settings.substituters = lib.mkForce [ ];
# auto-start container
systemd.targets.machines.wants = [ "systemd-nspawn@${containerName}.service" ];
virtualisation.additionalPaths = [ containerSystem containerTarball ];
systemd.tmpfiles.rules = [
"d /var/lib/machines/shared-decl 0755 root root - -"
];
systemd.nspawn.shared-decl = {
execConfig = {
Boot = false;
Parameters = "${containerSystem}/init";
};
filesConfig = {
BindReadOnly = "/nix/store";
};
};
systemd.services."systemd-nspawn@${containerName}" = {
serviceConfig.Environment = [
# Disable tmpfs for /tmp
"SYSTEMD_NSPAWN_TMPFS_TMP=0"
];
overrideStrategy = "asDropin";
};
# open DHCP for container
networking.firewall.extraCommands = ''
${pkgs.iptables}/bin/iptables -A nixos-fw -i ve-+ -p udp -m udp --dport 67 -j nixos-fw-accept
'';
};
testScript = ''
start_all()
machine.wait_for_unit("default.target");
# Test machinectl start stop of shared-decl
machine.succeed("machinectl start shared-decl");
machine.wait_until_succeeds("systemctl -M shared-decl is-active default.target");
machine.succeed("machinectl stop shared-decl");
# create containers root
machine.succeed("mkdir -p ${containerRoot}");
# start container with shared nix store by using same arguments as for systemd-nspawn@.service
machine.succeed("systemd-run systemd-nspawn --machine=${containerName} --network-veth -U --bind-ro=/nix/store ${containerSystem}/init")
machine.wait_until_succeeds("systemctl -M ${containerName} is-active default.target");
# Test machinectl stop
machine.succeed("machinectl stop ${containerName}");
# Install container
# Workaround for nixos-install
machine.succeed("chmod o+rx /var/lib/machines");
machine.succeed("nixos-install --root ${containerRoot} --system ${containerSystem} --no-channel-copy --no-root-passwd");
# Allow systemd-nspawn to apply user namespace on immutable files
machine.succeed("chattr -i ${containerRoot}/var/empty");
# Test machinectl start
machine.succeed("machinectl start ${containerName}");
machine.wait_until_succeeds("systemctl -M ${containerName} is-active default.target");
# Test nss_mymachines without nscd
machine.succeed('LD_LIBRARY_PATH="/run/current-system/sw/lib" getent -s hosts:mymachines hosts ${containerName}');
# Test nss_mymachines via nscd
machine.succeed("getent hosts ${containerName}");
# Test systemd-nspawn network configuration to container
machine.succeed("networkctl --json=short status ve-${containerName} | ${pkgs.jq}/bin/jq -e '.OperationalState == \"routable\"'");
# Test systemd-nspawn network configuration to host
machine.succeed("machinectl shell ${containerName} /run/current-system/sw/bin/networkctl --json=short status host0 | ${pkgs.jq}/bin/jq -r '.OperationalState == \"routable\"'");
# Test systemd-nspawn network configuration
machine.succeed("ping -n -c 1 ${containerName}");
# Test systemd-nspawn uses a user namespace
machine.succeed("test $(machinectl status ${containerName} | grep 'UID Shift: ' | wc -l) = 1")
# Test systemd-nspawn reboot
machine.succeed("machinectl shell ${containerName} /run/current-system/sw/bin/reboot");
machine.wait_until_succeeds("systemctl -M ${containerName} is-active default.target");
# Test machinectl reboot
machine.succeed("machinectl reboot ${containerName}");
machine.wait_until_succeeds("systemctl -M ${containerName} is-active default.target");
# Restart machine
machine.shutdown()
machine.start()
machine.wait_for_unit("default.target");
# Test auto-start
machine.succeed("machinectl show ${containerName}")
# Test machinectl stop
machine.succeed("machinectl stop ${containerName}");
machine.wait_until_succeeds("test $(systemctl is-active systemd-nspawn@${containerName}) = inactive");
# Test tmpfs for /tmp
machine.fail("mountpoint /tmp");
# Show to to delete the container
machine.succeed("chattr -i ${containerRoot}/var/empty");
machine.succeed("rm -rf ${containerRoot}");
# Test import tarball, start, stop and remove
machine.succeed("machinectl import-tar ${containerTarball}/tarball/*.tar* ${containerName}");
machine.succeed("machinectl start ${containerName}");
machine.wait_until_succeeds("systemctl -M ${containerName} is-active default.target");
machine.succeed("machinectl stop ${containerName}");
machine.wait_until_succeeds("test $(systemctl is-active systemd-nspawn@${containerName}) = inactive");
machine.succeed("machinectl remove ${containerName}");
'';
})
|