-
Notifications
You must be signed in to change notification settings - Fork 0
/
main.go
715 lines (605 loc) · 21.3 KB
/
main.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
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
// Copyright (c) 2021 Red Hat, Inc.
// Copyright Contributors to the Open Cluster Management project
package main
import (
"context"
"crypto/tls"
"errors"
"flag"
"fmt"
"net"
"os"
"runtime"
"strconv"
"strings"
"sync"
"github.com/go-logr/zapr"
"github.com/spf13/pflag"
"github.com/stolostron/go-log-utils/zaputil"
templates "github.com/stolostron/go-template-utils/v4/pkg/templates"
k8sdepwatches "github.com/stolostron/kubernetes-dependency-watches/client"
corev1 "k8s.io/api/core/v1"
k8serrors "k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
"k8s.io/apimachinery/pkg/fields"
k8sruntime "k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/runtime/schema"
utilruntime "k8s.io/apimachinery/pkg/util/runtime"
"k8s.io/client-go/dynamic"
"k8s.io/client-go/kubernetes"
clientgoscheme "k8s.io/client-go/kubernetes/scheme"
_ "k8s.io/client-go/plugin/pkg/client/auth"
"k8s.io/client-go/rest"
"k8s.io/klog/v2"
clusterv1 "open-cluster-management.io/api/cluster/v1"
clusterv1beta1 "open-cluster-management.io/api/cluster/v1beta1"
appsv1 "open-cluster-management.io/multicloud-operators-subscription/pkg/apis/apps/placementrule/v1"
ctrl "sigs.k8s.io/controller-runtime"
"sigs.k8s.io/controller-runtime/pkg/cache"
"sigs.k8s.io/controller-runtime/pkg/client"
"sigs.k8s.io/controller-runtime/pkg/client/config"
"sigs.k8s.io/controller-runtime/pkg/event"
"sigs.k8s.io/controller-runtime/pkg/healthz"
"sigs.k8s.io/controller-runtime/pkg/source"
//+kubebuilder:scaffold:imports
policyv1 "open-cluster-management.io/governance-policy-propagator/api/v1"
policyv1beta1 "open-cluster-management.io/governance-policy-propagator/api/v1beta1"
automationctrl "open-cluster-management.io/governance-policy-propagator/controllers/automation"
"open-cluster-management.io/governance-policy-propagator/controllers/complianceeventsapi"
encryptionkeysctrl "open-cluster-management.io/governance-policy-propagator/controllers/encryptionkeys"
metricsctrl "open-cluster-management.io/governance-policy-propagator/controllers/policymetrics"
policysetctrl "open-cluster-management.io/governance-policy-propagator/controllers/policyset"
propagatorctrl "open-cluster-management.io/governance-policy-propagator/controllers/propagator"
rootpolicystatusctrl "open-cluster-management.io/governance-policy-propagator/controllers/rootpolicystatus"
"open-cluster-management.io/governance-policy-propagator/version"
)
var (
scheme = k8sruntime.NewScheme()
log = ctrl.Log.WithName("setup")
clusterClaimGVR = schema.GroupVersionResource{
Group: "cluster.open-cluster-management.io",
Version: "v1alpha1",
Resource: "clusterclaims",
}
)
func printVersion() {
log.Info(
"Using",
"OperatorVersion", version.Version,
"GoVersion", runtime.Version(),
"GOOS", runtime.GOOS,
"GOARCH", runtime.GOARCH,
)
}
func init() {
utilruntime.Must(clientgoscheme.AddToScheme(scheme))
utilruntime.Must(clusterv1.AddToScheme(scheme))
utilruntime.Must(clusterv1beta1.AddToScheme(scheme))
utilruntime.Must(appsv1.AddToScheme(scheme))
//+kubebuilder:scaffold:scheme
utilruntime.Must(policyv1.AddToScheme(scheme))
utilruntime.Must(policyv1beta1.AddToScheme(scheme))
}
func main() {
klog.InitFlags(nil)
zflags := zaputil.FlagConfig{
LevelName: "log-level",
EncoderName: "log-encoder",
}
zflags.Bind(flag.CommandLine)
pflag.CommandLine.AddGoFlagSet(flag.CommandLine)
var (
metricsAddr string
enableLeaderElection bool
probeAddr string
keyRotationDays uint
keyRotationMaxConcurrency uint
policyMetricsMaxConcurrency uint
policyStatusMaxConcurrency uint
rootPolicyMaxConcurrency uint
replPolicyMaxConcurrency uint
enableWebhooks bool
complianceAPIHost string
complianceAPIPort string
complianceAPICert string
complianceAPIKey string
)
pflag.StringVar(&metricsAddr, "metrics-bind-address", ":8383", "The address the metric endpoint binds to.")
pflag.StringVar(&probeAddr, "health-probe-bind-address", ":8081", "The address the probe endpoint binds to.")
pflag.BoolVar(&enableLeaderElection, "leader-elect", true,
"Enable leader election for controller manager. "+
"Enabling this will ensure there is only one active controller manager.")
pflag.BoolVar(&enableWebhooks, "enable-webhooks", true,
"Enable the policy validating webhook")
pflag.UintVar(
&keyRotationDays,
"encryption-key-rotation",
30,
"The number of days until the policy encryption key is rotated",
)
pflag.UintVar(
&keyRotationMaxConcurrency,
"key-rotation-max-concurrency",
10,
"The maximum number of concurrent reconciles for the policy-encryption-keys controller",
)
pflag.UintVar(
&policyMetricsMaxConcurrency,
"policy-metrics-max-concurrency",
5,
"The maximum number of concurrent reconciles for the policy-metrics controller",
)
pflag.UintVar(
&policyStatusMaxConcurrency,
"policy-status-max-concurrency",
5,
"The maximum number of concurrent reconciles for the policy-status controller",
)
pflag.UintVar(
&rootPolicyMaxConcurrency,
"root-policy-max-concurrency",
2,
"The maximum number of concurrent reconciles for the root-policy controller",
)
pflag.UintVar(
&replPolicyMaxConcurrency,
"replicated-policy-max-concurrency",
10,
"The maximum number of concurrent reconciles for the replicated-policy controller",
)
pflag.StringVar(
&complianceAPIHost, "compliance-history-api-host", "localhost",
"The hostname that the event history API will listen on",
)
pflag.StringVar(
&complianceAPIPort, "compliance-history-api-port", "8384",
"The port that the compliance history API will listen on",
)
pflag.StringVar(
&complianceAPICert, "compliance-history-api-cert", "",
"The path to the certificate the compliance history API will use for HTTPS (CA cert, if any, concatenated "+
"after server cert). If not set, HTTP will be used.",
)
pflag.StringVar(
&complianceAPIKey, "compliance-history-api-key", "",
"The path to the private key the compliance history API will use for HTTPS. If not set, HTTP will be used.",
)
pflag.Parse()
ctrlZap, err := zflags.BuildForCtrl()
if err != nil {
panic(fmt.Sprintf("Failed to build zap logger for controller: %v", err))
}
ctrl.SetLogger(zapr.NewLogger(ctrlZap))
klogFlags := flag.NewFlagSet("klog", flag.ExitOnError)
klog.InitFlags(klogFlags)
err = zaputil.SyncWithGlogFlags(klogFlags)
if err != nil {
log.Error(err, "Failed to synchronize klog and glog flags, continuing with what succeeded")
}
klogZap, err := zaputil.BuildForKlog(zflags.GetConfig(), klogFlags)
if err != nil {
log.Error(err, "Failed to build zap logger for klog, those logs will not go through zap")
} else {
klog.SetLogger(zapr.NewLogger(klogZap).WithName("klog"))
}
printVersion()
if keyRotationDays < 1 {
log.Info("the encryption-key-rotation flag must be greater than 0")
os.Exit(1)
}
if keyRotationMaxConcurrency < 1 {
log.Info("the key-rotation-max-concurrency flag must be greater than 0")
os.Exit(1)
}
namespace, err := getWatchNamespace()
if err != nil {
log.Error(err, "Failed to get watch namespace")
os.Exit(1)
}
// Get a config to talk to the apiserver
cfg := config.GetConfigOrDie()
// Some default tuned values here, but can be overridden via env vars
cfg.QPS = 200.0
cfg.Burst = 400
qpsOverride, found := os.LookupEnv("CONTROLLER_CONFIG_QPS")
if found {
qpsVal, err := strconv.ParseFloat(qpsOverride, 32)
if err == nil {
cfg.QPS = float32(qpsVal)
log.Info("Using QPS override", "value", cfg.QPS)
}
}
burstOverride, found := os.LookupEnv("CONTROLLER_CONFIG_BURST")
if found {
burstVal, err := strconv.Atoi(burstOverride)
if err == nil {
cfg.Burst = burstVal
log.Info("Using Burst override", "value", cfg.Burst)
}
}
// Set default manager options
options := ctrl.Options{
Namespace: namespace,
Scheme: scheme,
MetricsBindAddress: metricsAddr,
HealthProbeBindAddress: probeAddr,
LeaderElection: enableLeaderElection,
LeaderElectionID: "policy-propagator.open-cluster-management.io",
LeaderElectionResourceLock: "leases",
Cache: cache.Options{
ByObject: map[client.Object]cache.ByObject{
// Set a field selector so that a watch on secrets will be limited to just the secret with
// the policy template encryption key.
&corev1.Secret{}: {
Field: fields.SelectorFromSet(fields.Set{"metadata.name": propagatorctrl.EncryptionKeySecret}),
},
&clusterv1.ManagedCluster{}: {
Transform: func(obj interface{}) (interface{}, error) {
cluster := obj.(*clusterv1.ManagedCluster)
// All that ManagedCluster objects are used for is to check their existence to see if a
// namespace is a cluster namespace.
guttedCluster := &clusterv1.ManagedCluster{}
guttedCluster.SetName(cluster.Name)
return guttedCluster, nil
},
},
&policyv1.Policy{}: {
Transform: func(obj interface{}) (interface{}, error) {
policy := obj.(*policyv1.Policy)
// Remove unused large fields
delete(policy.Annotations, "kubectl.kubernetes.io/last-applied-configuration")
policy.ManagedFields = nil
return policy, nil
},
},
},
},
}
if strings.Contains(namespace, ",") {
options.Cache.Namespaces = strings.Split(namespace, ",")
}
mgr, err := ctrl.NewManager(cfg, options)
if err != nil {
log.Error(err, "Unable to start manager")
os.Exit(1)
}
log.Info("Registering components")
controllerCtx := ctrl.SetupSignalHandler()
// This is used to trigger reconciles when a related policy set changes due to a dependency on a policy set.
dynamicWatcherReconciler, dynamicWatcherSource := k8sdepwatches.NewControllerRuntimeSource()
dynamicWatcher, err := k8sdepwatches.New(cfg, dynamicWatcherReconciler, nil)
if err != nil {
log.Error(err, "Unable to create the dynamic watcher", "controller", propagatorctrl.ControllerName)
os.Exit(1)
}
go func() {
err := dynamicWatcher.Start(controllerCtx)
if err != nil {
log.Error(err, "Unable to start the dynamic watcher", "controller", propagatorctrl.ControllerName)
os.Exit(1)
}
}()
policiesLock := &sync.Map{}
replicatedResourceVersions := &sync.Map{}
bufferSize := 1024
replicatedPolicyUpdates := make(chan event.GenericEvent, bufferSize)
replicatedUpdatesSource := &source.Channel{
Source: replicatedPolicyUpdates,
DestBufferSize: bufferSize,
}
propagator := propagatorctrl.Propagator{
Client: mgr.GetClient(),
Scheme: mgr.GetScheme(),
Recorder: mgr.GetEventRecorderFor(propagatorctrl.ControllerName),
RootPolicyLocks: policiesLock,
ReplicatedPolicyUpdates: replicatedPolicyUpdates,
}
if err = (&propagatorctrl.RootPolicyReconciler{
Propagator: propagator,
}).SetupWithManager(mgr, rootPolicyMaxConcurrency); err != nil {
log.Error(err, "Unable to create the controller", "controller", "root-policy-spec")
os.Exit(1)
}
templateResolver, templatesSource, err := templates.NewResolverWithCaching(
controllerCtx,
cfg,
templates.Config{
AdditionalIndentation: 8,
DisabledFunctions: []string{},
StartDelim: propagatorctrl.TemplateStartDelim,
StopDelim: propagatorctrl.TemplateStopDelim,
},
)
if err != nil {
log.Error(err, "Unable to setup the template resolver the controller", "controller", "replicated-policy")
os.Exit(1)
}
if reportMetrics() {
if err = (&metricsctrl.MetricReconciler{
Client: mgr.GetClient(),
Scheme: mgr.GetScheme(),
}).SetupWithManager(mgr, policyMetricsMaxConcurrency); err != nil {
log.Error(err, "Unable to create the controller", "controller", metricsctrl.ControllerName)
os.Exit(1)
}
}
dynamicClient := dynamic.NewForConfigOrDie(mgr.GetConfig())
var clusterID string
idClusterClaim, err := dynamicClient.Resource(clusterClaimGVR).Get(controllerCtx, "id.k8s.io", metav1.GetOptions{})
if err != nil && !k8serrors.IsNotFound(err) {
log.Error(err, "Failed to find the cluster ID")
os.Exit(1)
}
if err == nil {
clusterID, _, _ = unstructured.NestedString(idClusterClaim.Object, "spec", "value")
}
if clusterID == "" {
log.Info("The id.k8s.io cluster claim is not set. Using the cluster ID of unknown.")
clusterID = "unknown"
}
if err = (&automationctrl.PolicyAutomationReconciler{
Client: mgr.GetClient(),
DynamicClient: dynamicClient,
Scheme: mgr.GetScheme(),
Recorder: mgr.GetEventRecorderFor(automationctrl.ControllerName),
}).SetupWithManager(mgr); err != nil {
log.Error(err, "Unable to create the controller", "controller", automationctrl.ControllerName)
os.Exit(1)
}
if err = (&policysetctrl.PolicySetReconciler{
Client: mgr.GetClient(),
Scheme: mgr.GetScheme(),
Recorder: mgr.GetEventRecorderFor(policysetctrl.ControllerName),
}).SetupWithManager(mgr); err != nil {
log.Error(err, "Unable to create controller", "controller", policysetctrl.ControllerName)
os.Exit(1)
}
if err = (&encryptionkeysctrl.EncryptionKeysReconciler{
Client: mgr.GetClient(),
KeyRotationDays: keyRotationDays,
Scheme: mgr.GetScheme(),
}).SetupWithManager(mgr, keyRotationMaxConcurrency); err != nil {
log.Error(err, "Unable to create controller", "controller", encryptionkeysctrl.ControllerName)
os.Exit(1)
}
if err = (&rootpolicystatusctrl.RootPolicyStatusReconciler{
Client: mgr.GetClient(),
RootPolicyLocks: policiesLock,
Scheme: mgr.GetScheme(),
}).SetupWithManager(mgr, policyStatusMaxConcurrency); err != nil {
log.Error(err, "Unable to create controller", "controller", rootpolicystatusctrl.ControllerName)
os.Exit(1)
}
if enableWebhooks {
if err = (&policyv1.Policy{}).SetupWebhookWithManager(mgr); err != nil {
log.Error(err, "unable to create webhook", "webhook", "Policy")
os.Exit(1)
}
}
//+kubebuilder:scaffold:builder
if err := mgr.AddHealthzCheck("healthz", healthz.Ping); err != nil {
log.Error(err, "Unable to set up health check")
os.Exit(1)
}
if err := mgr.AddReadyzCheck("readyz", healthz.Ping); err != nil {
log.Error(err, "Unable to set up ready check")
os.Exit(1)
}
cache := mgr.GetCache()
// The following index for the PlacementRef Name is being added to the
// client cache to improve the performance of querying PlacementBindings
indexFunc := func(obj client.Object) []string {
return []string{obj.(*policyv1.PlacementBinding).PlacementRef.Name}
}
if err := cache.IndexField(
context.TODO(), &policyv1.PlacementBinding{}, "placementRef.name", indexFunc,
); err != nil {
panic(err)
}
log.Info("Waiting for the dynamic watcher to start")
// This is important to avoid adding watches before the dynamic watcher is ready
<-dynamicWatcher.Started()
log.V(1).Info("Starting the compliance events API and controller")
client := kubernetes.NewForConfigOrDie(mgr.GetConfig())
tempDir, err := os.MkdirTemp("", "compliance-events-store")
if err != nil {
log.Error(err, "Failed to create a temporary directory")
os.Exit(1)
}
defer func() {
err := os.RemoveAll(tempDir)
if err != nil {
log.Error(err, "Failed to clean up the temporary directory", "path", tempDir)
}
}()
complianceEventsNamespace, _ := os.LookupEnv(complianceeventsapi.WatchNamespaceEnvVar)
if complianceEventsNamespace == "" {
namespace, err := os.ReadFile("/var/run/secrets/kubernetes.io/serviceaccount/namespace")
if err == nil {
complianceEventsNamespace = string(namespace)
} else {
log.Info("Could not detect the controller namespace. Assuming open-cluster-management.")
complianceEventsNamespace = "open-cluster-management"
}
}
wg := sync.WaitGroup{}
log.Info("Starting the compliance events API")
complianceServerCtx := startComplianceEventsAPI(
controllerCtx,
cfg,
client,
clusterID,
complianceEventsNamespace,
net.JoinHostPort(complianceAPIHost, complianceAPIPort),
complianceAPICert,
complianceAPIKey,
&wg,
tempDir,
replicatedPolicyUpdates,
)
replicatedPolicyCtrler := &propagatorctrl.ReplicatedPolicyReconciler{
Propagator: propagator,
ResourceVersions: replicatedResourceVersions,
DynamicWatcher: dynamicWatcher,
TemplateResolver: templateResolver,
ComplianceServerCtx: complianceServerCtx,
}
if err = (replicatedPolicyCtrler).SetupWithManager(
mgr, replPolicyMaxConcurrency, dynamicWatcherSource, replicatedUpdatesSource, templatesSource,
); err != nil {
log.Error(err, "Unable to create the controller", "controller", "replicated-policy")
os.Exit(1)
}
log.Info("Starting manager")
wg.Add(1)
go func() {
if err := mgr.Start(controllerCtx); err != nil {
log.Error(err, "Problem running manager")
os.Exit(1)
}
wg.Done()
}()
wg.Wait()
}
func startComplianceEventsAPI(
ctx context.Context,
cfg *rest.Config,
client *kubernetes.Clientset,
clusterID string,
controllerNamespace string,
complianceAPIAddr string,
complianceAPICert string,
complianceAPIKey string,
wg *sync.WaitGroup,
tempDir string,
reconcileRequests chan<- event.GenericEvent,
) *complianceeventsapi.ComplianceServerCtx {
var dbConnectionURL string
dbSecret, err := client.CoreV1().Secrets(controllerNamespace).Get(
ctx, complianceeventsapi.DBSecretName, metav1.GetOptions{},
)
if k8serrors.IsNotFound(err) {
log.Info(
"Could not start the compliance events API. To enable this functionality, ensure the Postgres "+
"connection secret is valid in the controller namespace.",
"secretName", complianceeventsapi.DBSecretName,
"namespace", controllerNamespace,
)
} else if err != nil {
log.Error(
err,
"Failed to determine if the secret was defined",
"secretName", complianceeventsapi.DBSecretName,
"namespace", controllerNamespace,
)
os.Exit(1)
} else {
var err error
dbConnectionURL, err = complianceeventsapi.ParseDBSecret(dbSecret, tempDir)
if err != nil {
log.Error(
err,
"Fix the connection details to enable the compliance events API feature",
"secret", complianceeventsapi.DBSecretName,
"namespace", controllerNamespace,
)
}
}
complianceServerCtx, err := complianceeventsapi.NewComplianceServerCtx(dbConnectionURL, clusterID)
if err == nil {
// If the migration failed, MigrateDB will log it and MonitorDatabaseConnection will fix it.
err := complianceServerCtx.MigrateDB(ctx, client, controllerNamespace)
if err != nil {
log.Info("Will periodically retry the migration until it is successful")
}
} else if !errors.Is(err, complianceeventsapi.ErrInvalidConnectionURL) {
log.Error(err, "Unexpected error")
os.Exit(1)
}
reconciler := complianceeventsapi.ComplianceDBSecretReconciler{
Client: client, ComplianceServerCtx: complianceServerCtx, TempDir: tempDir, ConnectionURL: dbConnectionURL,
}
dbSecretDynamicWatcher, err := k8sdepwatches.New(
cfg, &reconciler, &k8sdepwatches.Options{EnableCache: true},
)
if err != nil {
log.Error(err, "Failed to instantiate the dynamic watcher for the compliance events database secret reconciler")
os.Exit(1)
}
reconciler.DynamicWatcher = dbSecretDynamicWatcher
var cert *tls.Certificate
if complianceAPICert != "" && complianceAPIKey != "" {
certTemp, err := tls.LoadX509KeyPair(complianceAPICert, complianceAPIKey)
if err != nil {
log.Error(
err,
"Failed to parse the provided TLS certificate and key",
"cert", complianceAPICert,
"key", complianceAPIKey,
)
os.Exit(1)
}
cert = &certTemp
} else {
log.Info("The compliance events history API will listen on HTTP since no certificate was provided")
}
complianceAPI := complianceeventsapi.NewComplianceAPIServer(complianceAPIAddr, cfg, cert)
wg.Add(1)
go func() {
if err := complianceAPI.Start(ctx, complianceServerCtx); err != nil {
log.Error(err, "Failed to start the compliance API server")
os.Exit(1)
}
wg.Done()
}()
wg.Add(1)
go func() {
err := dbSecretDynamicWatcher.Start(ctx)
if err != nil {
log.Error(
err,
"Unable to start the compliance events database secret watcher",
"controller", complianceeventsapi.ControllerName,
)
os.Exit(1)
}
wg.Done()
}()
<-dbSecretDynamicWatcher.Started()
go complianceeventsapi.MonitorDatabaseConnection(
ctx, complianceServerCtx, client, controllerNamespace, reconcileRequests,
)
watcherSecret := k8sdepwatches.ObjectIdentifier{
Version: "v1",
Kind: "Secret",
Namespace: controllerNamespace,
Name: complianceeventsapi.DBSecretName,
}
if err := dbSecretDynamicWatcher.AddWatcher(watcherSecret, watcherSecret); err != nil {
log.Error(
err,
"Unable to start the compliance events database secret watcher",
"controller", complianceeventsapi.ControllerName,
)
os.Exit(1)
}
return complianceServerCtx
}
// reportMetrics returns a bool on whether to report GRC metrics from the propagator
func reportMetrics() bool {
metrics, _ := os.LookupEnv("DISABLE_REPORT_METRICS")
return !strings.EqualFold(metrics, "true")
}
// getWatchNamespace returns the Namespace the operator should be watching for changes
func getWatchNamespace() (string, error) {
// WatchNamespaceEnvVar is the constant for env variable WATCH_NAMESPACE
// which specifies the Namespace to watch.
// An empty value means the operator is running with cluster scope.
watchNamespaceEnvVar := "WATCH_NAMESPACE"
ns, found := os.LookupEnv(watchNamespaceEnvVar)
if !found {
return "", fmt.Errorf("%s must be set", watchNamespaceEnvVar)
}
return ns, nil
}