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
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
|
{
lib,
config,
pkgs,
...
}:
let
inherit (lib) mkOption types;
serviceOptions = {
options = {
image = mkOption {
type = types.submodule {
options = {
image = mkOption { type = types.str; };
imageFile = mkOption { type = types.package; };
base = mkOption { type = types.nullOr types.anything; };
};
};
};
ports = mkOption {
type = with types; listOf (listOf ints.u16);
default = [ ];
};
volumes = mkOption {
type = with types; listOf (listOf str);
default = [ ];
};
entrypoint = mkOption {
type = types.nullOr types.str;
default = null;
};
cmd = mkOption {
type = with types; listOf str;
default = [ ];
};
workdir = mkOption {
type = types.nullOr types.str;
default = null;
};
environment = mkOption {
type = types.attrsOf types.str;
default = { };
};
};
};
cfg = config.foundation;
mkName =
{
group,
name,
full ? false,
}:
let
isGroup = group != "";
isDefault = name == "default" || name == group;
shortName = if isGroup && isDefault then group else name;
fullName = if isGroup then (if isDefault then group else "${group}-${name}") else name;
in
assert name != "";
assert isDefault -> isGroup;
if full then fullName else shortName;
processServices =
group: serviceSet:
lib.mapAttrsToList (
name: c:
{
name = mkName { inherit name group; };
fullName = mkName {
inherit name group;
full = true;
};
inherit group;
}
// c
) serviceSet;
singleServices = processServices "" cfg.services;
groupedServices = lib.mapAttrs (
group: groupServices: processServices group groupServices
) cfg.service;
allServices =
let
allSingleServices = singleServices;
allGroupedServices = lib.flatten (lib.attrValues groupedServices);
in
allSingleServices ++ allGroupedServices;
groupStructure = lib.mapAttrs (
group: groupServices: lib.catAttrs "fullName" groupServices
) groupedServices;
in
{
options.foundation = {
service = mkOption {
type = with types; attrsOf (attrsOf (submodule serviceOptions));
default = { };
};
services = mkOption {
type = with types; attrsOf (submodule serviceOptions);
default = { };
};
};
config = lib.mkIf (cfg.service != { } || cfg.services != { }) {
virtualisation.oci-containers.containers =
let
mkOciPort =
portTuple:
let
host = builtins.elemAt portTuple 0;
container = builtins.elemAt portTuple 1;
in
"127.0.0.1:${toString host}:${toString container}";
mkOciVolume =
volumeTuple:
let
hostPath = builtins.elemAt volumeTuple 0;
containerPath = builtins.elemAt volumeTuple 1;
in
"${hostPath}:${containerPath}";
mkOciContainer =
{
name,
image,
ports,
volumes,
entrypoint ? null,
cmd ? null,
workdir ? null,
environment ? null,
group,
...
}:
{
inherit (image) image imageFile;
inherit
entrypoint
cmd
workdir
environment
;
ports = map mkOciPort ports;
volumes = map mkOciVolume volumes;
extraOptions = lib.mkIf (group != "") [
"--network-alias=${name}"
"--network=${group}"
];
};
in
builtins.listToAttrs
(map (v: lib.nameValuePair v.fullName (mkOciContainer v)) allServices);
systemd =
let
mkGroupRootTargetName = group: "docker-${group}-root";
mkServiceName = fullName: "docker-${fullName}";
mkNetworkServiceName = group: "docker-${group}-network";
genericContainerService =
group:
let
network = "${mkNetworkServiceName group}.service";
root = "${mkGroupRootTargetName group}.target";
in
{
serviceConfig = {
Restart = lib.mkOverride 90 "always";
RestartMaxDelaySec = lib.mkOverride 90 "1m";
RestartSec = lib.mkOverride 90 "100ms";
RestartSteps = lib.mkOverride 90 9;
};
after = [ network ];
requires = [ network ];
partOf = [ root ];
wantedBy = [ root ];
};
networkService =
group:
let
root = "${mkGroupRootTargetName group}.target";
in
{
path = [ pkgs.docker ];
serviceConfig = {
Type = "oneshot";
RemainAfterExit = true;
ExecStop = "docker network rm -f ${group}";
};
script = ''
docker network inspect ${group} || docker network create ${group} --driver=bridge
'';
partOf = [ root ];
wantedBy = [ root ];
};
in
{
services = lib.concatMapAttrs (
group: serviceNames:
{
${mkNetworkServiceName group} = networkService group;
}
// lib.genAttrs (map mkServiceName serviceNames) (_v: genericContainerService group)
) groupStructure;
targets = lib.mapAttrs' (
group: _v: lib.nameValuePair
(mkGroupRootTargetName group)
{ wantedBy = [ "multi-user.target" ]; }
) groupStructure;
};
};
}
|
