blob: 70f96d75a4619b8bc092783ccd5004675a1da366 (
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
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
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
|
{ config, pkgs, lib, ... }:
with lib;
let
cfg = config.services.kubernetes.addons.dashboard;
in {
options.services.kubernetes.addons.dashboard = {
enable = mkEnableOption "kubernetes dashboard addon";
extraArgs = mkOption {
description = "Extra arguments to append to the dashboard cmdline";
type = types.listOf types.str;
default = [];
example = ["--enable-skip-login"];
};
rbac = mkOption {
description = "Role-based access control (RBAC) options";
default = {};
type = types.submodule {
options = {
enable = mkOption {
description = "Whether to enable role based access control is enabled for kubernetes dashboard";
type = types.bool;
default = elem "RBAC" config.services.kubernetes.apiserver.authorizationMode;
};
clusterAdmin = mkOption {
description = "Whether to assign cluster admin rights to the kubernetes dashboard";
type = types.bool;
default = false;
};
};
};
};
version = mkOption {
description = "Which version of the kubernetes dashboard to deploy";
type = types.str;
default = "v1.10.1";
};
image = mkOption {
description = "Docker image to seed for the kubernetes dashboard container.";
type = types.attrs;
default = {
imageName = "k8s.gcr.io/kubernetes-dashboard-amd64";
imageDigest = "sha256:0ae6b69432e78069c5ce2bcde0fe409c5c4d6f0f4d9cd50a17974fea38898747";
finalImageTag = cfg.version;
sha256 = "01xrr4pwgr2hcjrjsi3d14ifpzdfbxzqpzxbk2fkbjb9zkv38zxy";
};
};
};
config = mkIf cfg.enable {
services.kubernetes.kubelet.seedDockerImages = [(pkgs.dockerTools.pullImage cfg.image)];
services.kubernetes.addonManager.addons = {
kubernetes-dashboard-deployment = {
kind = "Deployment";
apiVersion = "apps/v1";
metadata = {
labels = {
k8s-addon = "kubernetes-dashboard.addons.k8s.io";
k8s-app = "kubernetes-dashboard";
version = cfg.version;
"kubernetes.io/cluster-service" = "true";
"addonmanager.kubernetes.io/mode" = "Reconcile";
};
name = "kubernetes-dashboard";
namespace = "kube-system";
};
spec = {
replicas = 1;
revisionHistoryLimit = 10;
selector.matchLabels.k8s-app = "kubernetes-dashboard";
template = {
metadata = {
labels = {
k8s-addon = "kubernetes-dashboard.addons.k8s.io";
k8s-app = "kubernetes-dashboard";
version = cfg.version;
"kubernetes.io/cluster-service" = "true";
};
annotations = {
"scheduler.alpha.kubernetes.io/critical-pod" = "";
};
};
spec = {
priorityClassName = "system-cluster-critical";
containers = [{
name = "kubernetes-dashboard";
image = with cfg.image; "${imageName}:${finalImageTag}";
ports = [{
containerPort = 8443;
protocol = "TCP";
}];
resources = {
limits = {
cpu = "100m";
memory = "300Mi";
};
requests = {
cpu = "100m";
memory = "100Mi";
};
};
args = ["--auto-generate-certificates"] ++ cfg.extraArgs;
volumeMounts = [{
name = "tmp-volume";
mountPath = "/tmp";
} {
name = "kubernetes-dashboard-certs";
mountPath = "/certs";
}];
livenessProbe = {
httpGet = {
scheme = "HTTPS";
path = "/";
port = 8443;
};
initialDelaySeconds = 30;
timeoutSeconds = 30;
};
}];
volumes = [{
name = "kubernetes-dashboard-certs";
secret = {
secretName = "kubernetes-dashboard-certs";
};
} {
name = "tmp-volume";
emptyDir = {};
}];
serviceAccountName = "kubernetes-dashboard";
tolerations = [{
key = "node-role.kubernetes.io/master";
effect = "NoSchedule";
} {
key = "CriticalAddonsOnly";
operator = "Exists";
}];
};
};
};
};
kubernetes-dashboard-svc = {
apiVersion = "v1";
kind = "Service";
metadata = {
labels = {
k8s-addon = "kubernetes-dashboard.addons.k8s.io";
k8s-app = "kubernetes-dashboard";
"kubernetes.io/cluster-service" = "true";
"kubernetes.io/name" = "KubeDashboard";
"addonmanager.kubernetes.io/mode" = "Reconcile";
};
name = "kubernetes-dashboard";
namespace = "kube-system";
};
spec = {
ports = [{
port = 443;
targetPort = 8443;
}];
selector.k8s-app = "kubernetes-dashboard";
};
};
kubernetes-dashboard-sa = {
apiVersion = "v1";
kind = "ServiceAccount";
metadata = {
labels = {
k8s-app = "kubernetes-dashboard";
k8s-addon = "kubernetes-dashboard.addons.k8s.io";
"addonmanager.kubernetes.io/mode" = "Reconcile";
};
name = "kubernetes-dashboard";
namespace = "kube-system";
};
};
kubernetes-dashboard-sec-certs = {
apiVersion = "v1";
kind = "Secret";
metadata = {
labels = {
k8s-app = "kubernetes-dashboard";
# Allows editing resource and makes sure it is created first.
"addonmanager.kubernetes.io/mode" = "EnsureExists";
};
name = "kubernetes-dashboard-certs";
namespace = "kube-system";
};
type = "Opaque";
};
kubernetes-dashboard-sec-kholder = {
apiVersion = "v1";
kind = "Secret";
metadata = {
labels = {
k8s-app = "kubernetes-dashboard";
# Allows editing resource and makes sure it is created first.
"addonmanager.kubernetes.io/mode" = "EnsureExists";
};
name = "kubernetes-dashboard-key-holder";
namespace = "kube-system";
};
type = "Opaque";
};
kubernetes-dashboard-cm = {
apiVersion = "v1";
kind = "ConfigMap";
metadata = {
labels = {
k8s-app = "kubernetes-dashboard";
# Allows editing resource and makes sure it is created first.
"addonmanager.kubernetes.io/mode" = "EnsureExists";
};
name = "kubernetes-dashboard-settings";
namespace = "kube-system";
};
};
} // (optionalAttrs cfg.rbac.enable
(let
subjects = [{
kind = "ServiceAccount";
name = "kubernetes-dashboard";
namespace = "kube-system";
}];
labels = {
k8s-app = "kubernetes-dashboard";
k8s-addon = "kubernetes-dashboard.addons.k8s.io";
"addonmanager.kubernetes.io/mode" = "Reconcile";
};
in
(if cfg.rbac.clusterAdmin then {
kubernetes-dashboard-crb = {
apiVersion = "rbac.authorization.k8s.io/v1";
kind = "ClusterRoleBinding";
metadata = {
name = "kubernetes-dashboard";
inherit labels;
};
roleRef = {
apiGroup = "rbac.authorization.k8s.io";
kind = "ClusterRole";
name = "cluster-admin";
};
inherit subjects;
};
}
else
{
# Upstream role- and rolebinding as per:
# https://raw.githubusercontent.com/kubernetes/dashboard/master/src/deploy/alternative/kubernetes-dashboard.yaml
kubernetes-dashboard-role = {
apiVersion = "rbac.authorization.k8s.io/v1";
kind = "Role";
metadata = {
name = "kubernetes-dashboard-minimal";
namespace = "kube-system";
inherit labels;
};
rules = [
# Allow Dashboard to create 'kubernetes-dashboard-key-holder' secret.
{
apiGroups = [""];
resources = ["secrets"];
verbs = ["create"];
}
# Allow Dashboard to create 'kubernetes-dashboard-settings' config map.
{
apiGroups = [""];
resources = ["configmaps"];
verbs = ["create"];
}
# Allow Dashboard to get, update and delete Dashboard exclusive secrets.
{
apiGroups = [""];
resources = ["secrets"];
resourceNames = ["kubernetes-dashboard-key-holder"];
verbs = ["get" "update" "delete"];
}
# Allow Dashboard to get and update 'kubernetes-dashboard-settings' config map.
{
apiGroups = [""];
resources = ["configmaps"];
resourceNames = ["kubernetes-dashboard-settings"];
verbs = ["get" "update"];
}
# Allow Dashboard to get metrics from heapster.
{
apiGroups = [""];
resources = ["services"];
resourceNames = ["heapster"];
verbs = ["proxy"];
}
{
apiGroups = [""];
resources = ["services/proxy"];
resourceNames = ["heapster" "http:heapster:" "https:heapster:"];
verbs = ["get"];
}
];
};
kubernetes-dashboard-rb = {
apiVersion = "rbac.authorization.k8s.io/v1";
kind = "RoleBinding";
metadata = {
name = "kubernetes-dashboard-minimal";
namespace = "kube-system";
inherit labels;
};
roleRef = {
apiGroup = "rbac.authorization.k8s.io";
kind = "Role";
name = "kubernetes-dashboard-minimal";
};
inherit subjects;
};
})
));
};
}
|