blob: 8c6a6e294ebb6d1b97d05f5eec33ca4ad82763d4 (
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
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
|
{ config, lib, pkgs, ... }:
with lib;
let cfg = config.services.cloud-init;
path = with pkgs; [
cloud-init
iproute2
nettools
openssh
shadow
util-linux
] ++ optional cfg.btrfs.enable btrfs-progs
++ optional cfg.ext4.enable e2fsprogs
;
in
{
options = {
services.cloud-init = {
enable = mkOption {
type = types.bool;
default = false;
description = ''
Enable the cloud-init service. This services reads
configuration metadata in a cloud environment and configures
the machine according to this metadata.
This configuration is not completely compatible with the
NixOS way of doing configuration, as configuration done by
cloud-init might be overriden by a subsequent nixos-rebuild
call. However, some parts of cloud-init fall outside of
NixOS's responsibility, like filesystem resizing and ssh
public key provisioning, and cloud-init is useful for that
parts. Thus, be wary that using cloud-init in NixOS might
come as some cost.
'';
};
btrfs.enable = mkOption {
type = types.bool;
default = false;
description = ''
Allow the cloud-init service to operate `btrfs` filesystem.
'';
};
ext4.enable = mkOption {
type = types.bool;
default = true;
description = ''
Allow the cloud-init service to operate `ext4` filesystem.
'';
};
network.enable = mkOption {
type = types.bool;
default = false;
description = ''
Allow the cloud-init service to configure network interfaces
through systemd-networkd.
'';
};
config = mkOption {
type = types.str;
default = ''
system_info:
distro: nixos
network:
renderers: [ 'networkd' ]
users:
- root
disable_root: false
preserve_hostname: false
cloud_init_modules:
- migrator
- seed_random
- bootcmd
- write-files
- growpart
- resizefs
- update_etc_hosts
- ca-certs
- rsyslog
- users-groups
cloud_config_modules:
- disk_setup
- mounts
- ssh-import-id
- set-passwords
- timezone
- disable-ec2-metadata
- runcmd
- ssh
cloud_final_modules:
- rightscale_userdata
- scripts-vendor
- scripts-per-once
- scripts-per-boot
- scripts-per-instance
- scripts-user
- ssh-authkey-fingerprints
- keys-to-console
- phone-home
- final-message
- power-state-change
'';
description = "cloud-init configuration.";
};
};
};
config = mkIf cfg.enable {
environment.etc."cloud/cloud.cfg".text = cfg.config;
systemd.network.enable = cfg.network.enable;
systemd.services.cloud-init-local =
{ description = "Initial cloud-init job (pre-networking)";
wantedBy = [ "multi-user.target" ];
before = ["systemd-networkd.service"];
path = path;
serviceConfig =
{ Type = "oneshot";
ExecStart = "${pkgs.cloud-init}/bin/cloud-init init --local";
RemainAfterExit = "yes";
TimeoutSec = "infinity";
StandardOutput = "journal+console";
};
};
systemd.services.cloud-init =
{ description = "Initial cloud-init job (metadata service crawler)";
wantedBy = [ "multi-user.target" ];
wants = [ "network-online.target" "cloud-init-local.service"
"sshd.service" "sshd-keygen.service" ];
after = [ "network-online.target" "cloud-init-local.service" ];
before = [ "sshd.service" "sshd-keygen.service" ];
requires = [ "network.target"];
path = path;
serviceConfig =
{ Type = "oneshot";
ExecStart = "${pkgs.cloud-init}/bin/cloud-init init";
RemainAfterExit = "yes";
TimeoutSec = "infinity";
StandardOutput = "journal+console";
};
};
systemd.services.cloud-config =
{ description = "Apply the settings specified in cloud-config";
wantedBy = [ "multi-user.target" ];
wants = [ "network-online.target" ];
after = [ "network-online.target" "syslog.target" "cloud-config.target" ];
path = path;
serviceConfig =
{ Type = "oneshot";
ExecStart = "${pkgs.cloud-init}/bin/cloud-init modules --mode=config";
RemainAfterExit = "yes";
TimeoutSec = "infinity";
StandardOutput = "journal+console";
};
};
systemd.services.cloud-final =
{ description = "Execute cloud user/final scripts";
wantedBy = [ "multi-user.target" ];
wants = [ "network-online.target" ];
after = [ "network-online.target" "syslog.target" "cloud-config.service" "rc-local.service" ];
requires = [ "cloud-config.target" ];
path = path;
serviceConfig =
{ Type = "oneshot";
ExecStart = "${pkgs.cloud-init}/bin/cloud-init modules --mode=final";
RemainAfterExit = "yes";
TimeoutSec = "infinity";
StandardOutput = "journal+console";
};
};
systemd.targets.cloud-config =
{ description = "Cloud-config availability";
requires = [ "cloud-init-local.service" "cloud-init.service" ];
};
};
}
|