/
secret.go
362 lines (345 loc) · 11.4 KB
/
secret.go
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
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
/*
Copyright 2021 The Kubermatic Kubernetes Platform contributors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package loggingagent
import (
"bytes"
"html/template"
"k8c.io/kubermatic/v2/pkg/resources"
"k8c.io/kubermatic/v2/pkg/resources/certificates"
"k8c.io/reconciler/pkg/reconciling"
corev1 "k8s.io/api/core/v1"
)
type Config struct {
MLAGatewayURL string
TLSCertFile string
TLSKeyFile string
TLSCACertFile string
}
func SecretReconciler(config Config) reconciling.NamedSecretReconcilerFactory {
return func() (string, reconciling.SecretReconciler) {
return resources.MLALoggingAgentSecretName, func(secret *corev1.Secret) (*corev1.Secret, error) {
if secret.Data == nil {
secret.Data = map[string][]byte{}
}
t, err := template.New("agent").Parse(configTemplate)
if err != nil {
return nil, err
}
configBuf := bytes.Buffer{}
if err := t.Execute(&configBuf, config); err != nil {
return nil, err
}
secret.Data["agent.yaml"] = configBuf.Bytes()
secret.Labels = resources.BaseAppLabels(appName, nil)
return secret, nil
}
}
}
const (
configTemplate = `
logs:
configs:
- name: default
clients:
- url: {{ .MLAGatewayURL }}
tls_config:
cert_file: {{ .TLSCertFile }}
key_file: {{ .TLSKeyFile }}
ca_file: {{ .TLSCACertFile }}
positions:
filename: /run/grafana-agent/positions.yaml
scrape_configs:
# See also https://github.com/grafana/loki/blob/master/production/ksonnet/promtail/scrape_config.libsonnet for reference
# Pods with a label 'app.kubernetes.io/name'
- job_name: kubernetes-pods-app-kubernetes-io-name
pipeline_stages:
- cri: {}
kubernetes_sd_configs:
- role: pod
relabel_configs:
- action: replace
source_labels:
- __meta_kubernetes_pod_label_app_kubernetes_io_name
target_label: app
- action: drop
regex: ''
source_labels:
- app
- action: replace
source_labels:
- __meta_kubernetes_pod_label_app_kubernetes_io_component
target_label: component
- action: replace
source_labels:
- __meta_kubernetes_pod_node_name
target_label: node_name
- action: replace
source_labels:
- __meta_kubernetes_namespace
target_label: namespace
- action: replace
replacement: $1
separator: /
source_labels:
- namespace
- app
target_label: job
- action: replace
source_labels:
- __meta_kubernetes_pod_name
target_label: pod
- action: replace
source_labels:
- __meta_kubernetes_pod_container_name
target_label: container
- action: replace
replacement: /var/log/pods/$1/*/*.log
separator: _
source_labels:
- __meta_kubernetes_namespace
- __meta_kubernetes_pod_name
- __meta_kubernetes_pod_uid
target_label: __path__
# Pods with a label 'app'
- job_name: kubernetes-pods-app
pipeline_stages:
- cri: {}
kubernetes_sd_configs:
- role: pod
relabel_configs:
# Drop pods with label 'app.kubernetes.io/name'. They are already considered above
- action: drop
regex: .+
source_labels:
- __meta_kubernetes_pod_label_app_kubernetes_io_name
- action: replace
source_labels:
- __meta_kubernetes_pod_label_app
target_label: app
- action: drop
regex: ''
source_labels:
- app
- action: replace
source_labels:
- __meta_kubernetes_pod_label_component
target_label: component
- action: replace
source_labels:
- __meta_kubernetes_pod_node_name
target_label: node_name
- action: replace
source_labels:
- __meta_kubernetes_namespace
target_label: namespace
- action: replace
replacement: $1
separator: /
source_labels:
- namespace
- app
target_label: job
- action: replace
source_labels:
- __meta_kubernetes_pod_name
target_label: pod
- action: replace
source_labels:
- __meta_kubernetes_pod_container_name
target_label: container
- action: replace
replacement: /var/log/pods/$1/*/*.log
separator: _
source_labels:
- __meta_kubernetes_namespace
- __meta_kubernetes_pod_name
- __meta_kubernetes_pod_uid
target_label: __path__
# Pods with direct controllers, such as StatefulSet
- job_name: kubernetes-pods-direct-controllers
pipeline_stages:
- cri: {}
kubernetes_sd_configs:
- role: pod
relabel_configs:
# Drop pods with label 'app.kubernetes.io/name' or 'app'. They are already considered above
- action: drop
regex: .+
separator: ''
source_labels:
- __meta_kubernetes_pod_label_app_kubernetes_io_name
- __meta_kubernetes_pod_label_app
- action: drop
regex: '[0-9a-z-.]+-[0-9a-f]{8,10}'
source_labels:
- __meta_kubernetes_pod_controller_name
- action: replace
source_labels:
- __meta_kubernetes_pod_controller_name
target_label: app
- action: replace
source_labels:
- __meta_kubernetes_pod_node_name
target_label: node_name
- action: replace
source_labels:
- __meta_kubernetes_namespace
target_label: namespace
- action: replace
replacement: $1
separator: /
source_labels:
- namespace
- app
target_label: job
- action: replace
source_labels:
- __meta_kubernetes_pod_name
target_label: pod
- action: replace
source_labels:
- __meta_kubernetes_pod_container_name
target_label: container
- action: replace
replacement: /var/log/pods/$1/*/*.log
separator: _
source_labels:
- __meta_kubernetes_namespace
- __meta_kubernetes_pod_name
- __meta_kubernetes_pod_uid
target_label: __path__
# Pods with indirect controllers, such as Deployment
- job_name: kubernetes-pods-indirect-controller
pipeline_stages:
- cri: {}
kubernetes_sd_configs:
- role: pod
relabel_configs:
# Drop pods with label 'app.kubernetes.io/name' or 'app'. They are already considered above
- action: drop
regex: .+
separator: ''
source_labels:
- __meta_kubernetes_pod_label_app_kubernetes_io_name
- __meta_kubernetes_pod_label_app
- action: keep
regex: '[0-9a-z-.]+-[0-9a-f]{8,10}'
source_labels:
- __meta_kubernetes_pod_controller_name
- action: replace
regex: '([0-9a-z-.]+)-[0-9a-f]{8,10}'
source_labels:
- __meta_kubernetes_pod_controller_name
target_label: app
- action: replace
source_labels:
- __meta_kubernetes_pod_node_name
target_label: node_name
- action: replace
source_labels:
- __meta_kubernetes_namespace
target_label: namespace
- action: replace
replacement: $1
separator: /
source_labels:
- namespace
- app
target_label: job
- action: replace
source_labels:
- __meta_kubernetes_pod_name
target_label: pod
- action: replace
source_labels:
- __meta_kubernetes_pod_container_name
target_label: container
- action: replace
replacement: /var/log/pods/$1/*/*.log
separator: _
source_labels:
- __meta_kubernetes_namespace
- __meta_kubernetes_pod_name
- __meta_kubernetes_pod_uid
target_label: __path__
# All remaining pods not yet covered
- job_name: kubernetes-other
pipeline_stages:
- cri: {}
kubernetes_sd_configs:
- role: pod
relabel_configs:
# Drop what has already been covered
- action: drop
regex: .+
separator: ''
source_labels:
- __meta_kubernetes_pod_label_app_kubernetes_io_name
- __meta_kubernetes_pod_label_app
- action: drop
regex: .+
source_labels:
- __meta_kubernetes_pod_controller_name
- action: replace
source_labels:
- __meta_kubernetes_pod_name
target_label: app
- action: replace
source_labels:
- __meta_kubernetes_pod_label_component
target_label: component
- action: replace
source_labels:
- __meta_kubernetes_pod_node_name
target_label: node_name
- action: replace
source_labels:
- __meta_kubernetes_namespace
target_label: namespace
- action: replace
replacement: $1
separator: /
source_labels:
- namespace
- app
target_label: job
- action: replace
source_labels:
- __meta_kubernetes_pod_name
target_label: pod
- action: replace
source_labels:
- __meta_kubernetes_pod_container_name
target_label: container
- action: replace
replacement: /var/log/pods/$1/*/*.log
separator: _
source_labels:
- __meta_kubernetes_namespace
- __meta_kubernetes_pod_name
- __meta_kubernetes_pod_uid
target_label: __path__
`
)
func ClientCertificateReconciler(ca *resources.ECDSAKeyPair) reconciling.NamedSecretReconcilerFactory {
return func() (string, reconciling.SecretReconciler) {
return resources.MLALoggingAgentCertificatesSecretName,
certificates.GetECDSAClientCertificateReconciler(
resources.MLALoggingAgentCertificatesSecretName,
resources.MLALoggingAgentCertificateCommonName,
[]string{},
resources.MLALoggingAgentClientCertSecretKey,
resources.MLALoggingAgentClientKeySecretKey,
func() (*resources.ECDSAKeyPair, error) { return ca, nil })
}
}