/
operator_util.go
377 lines (345 loc) · 12.5 KB
/
operator_util.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
package e2e
import (
"context"
"flag"
"fmt"
"net"
"os"
"time"
"github.com/go-logr/logr"
corev1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/api/resource"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/types"
"sigs.k8s.io/controller-runtime/pkg/client"
logf "sigs.k8s.io/controller-runtime/pkg/log"
redisv1alpha1 "github.com/dinesh-murugiah/rediscluster-operator/api/v1alpha1"
config "github.com/dinesh-murugiah/rediscluster-operator/redisconfig"
utils "github.com/dinesh-murugiah/rediscluster-operator/utils/commonutils"
"github.com/dinesh-murugiah/rediscluster-operator/utils/redisutil"
)
const (
Redis3_1_12 = "uhub.service.ucloud.cn/operator/redis:3.2.12-alpine"
Redis4_0_14 = "uhub.service.ucloud.cn/operator/redis:4.0.14-alpine"
Redis5_0_4 = "uhub.service.ucloud.cn/operator/redis:5.0.4-alpine"
Redis5_0_6 = "uhub.service.ucloud.cn/operator/redis:5.0.6-alpine"
exporterImage = "uhub.service.ucloud.cn/operator/redis_exporter:latest"
BackupImage = "uhub.service.ucloud.cn/operator/redis-tools:5.0.4"
passwordKey = "password"
S3ID = "AWS_ACCESS_KEY_ID"
S3KEY = "AWS_SECRET_ACCESS_KEY"
S3ENDPOINT = "S3_ENDPOINT"
S3BUCKET = "S3_BUCKET"
// RedisRenameCommandsDefaultPath default path to volume storing rename commands
RedisRenameCommandsDefaultPath = "/etc/secret-volume"
// RedisRenameCommandsDefaultFile default file name containing rename commands
RedisRenameCommandsDefaultFile = ""
)
var (
renameCommandsPath string
renameCommandsFile string
)
func init() {
flag.StringVar(&renameCommandsPath, "rename-command-path", RedisRenameCommandsDefaultPath, "Path to the folder where rename-commands option for redis are available")
flag.StringVar(&renameCommandsFile, "rename-command-file", RedisRenameCommandsDefaultFile, "Name of the file where rename-commands option for redis are available, disabled if empty")
}
var logger = logf.Log.WithName("e2e-test")
func NewDistributedRedisCluster(name, namespace, image, passwordName string, masterSize, clusterReplicas int32) *redisv1alpha1.DistributedRedisCluster {
configParams := map[string]string{
"hz": "11",
"maxclients": "101",
}
storageClassName := os.Getenv("STORAGECLASSNAME")
return &redisv1alpha1.DistributedRedisCluster{
ObjectMeta: metav1.ObjectMeta{
Name: name,
Namespace: namespace,
Annotations: map[string]string{
"redis.kun/scope": "cluster-scoped",
},
},
Spec: redisv1alpha1.DistributedRedisClusterSpec{
Image: image,
MasterSize: masterSize,
ClusterReplicas: clusterReplicas,
Command: []string{},
Config: configParams,
AdminSecret: &corev1.LocalObjectReference{Name: passwordName},
Resources: &corev1.ResourceRequirements{
Requests: corev1.ResourceList{
corev1.ResourceCPU: resource.MustParse("1"),
corev1.ResourceMemory: resource.MustParse("512Mi"),
},
Limits: corev1.ResourceList{
corev1.ResourceCPU: resource.MustParse("1"),
corev1.ResourceMemory: resource.MustParse("1024Mi"),
},
},
Storage: &redisv1alpha1.RedisStorage{
Type: "persistent-claim",
Size: resource.MustParse("10Gi"),
Class: storageClassName,
DeleteClaim: true,
},
Annotations: map[string]string{
"prometheus.io/app-metrics": "true",
"prometheus.io/app-metrics-path": "/metrics",
"prometheus.io/app-metrics-port": "9121",
"prometheus.io/scrape": "true",
},
Affinity: &corev1.Affinity{},
},
}
}
func IsDistributedRedisClusterProperly(f *Framework, drc *redisv1alpha1.DistributedRedisCluster) func() error {
return func() error {
result := &redisv1alpha1.DistributedRedisCluster{}
if err := f.Client.Get(context.TODO(), types.NamespacedName{
Namespace: f.Namespace(),
Name: drc.Name,
}, result); err != nil {
f.Logf("can not get DistributedRedisCluster err: %s", err.Error())
return err
}
if result.Status.Status != redisv1alpha1.ClusterStatusOK {
if result.Status.Status == redisv1alpha1.ClusterStatusKO {
f.Logf("DistributedRedisCluster %s is %s, reason: %s", drc.Name, result.Status.Status, result.Status.Reason)
}
return LogAndReturnErrorf("DistributedRedisCluster %s status not healthy, current: %s", drc.Name, result.Status.Status)
}
stsList, err := f.GetDRCStatefulSetByLabels(getLabels(drc))
if err != nil {
f.Logf("GetDRCStatefulSetByLabels err: %s", err)
return err
}
for _, sts := range stsList.Items {
if sts.Status.ReadyReplicas != (drc.Spec.ClusterReplicas + 1) {
return LogAndReturnErrorf("DistributedRedisCluster %s wrong ready replicas, want: %d, got: %d",
drc.Name, drc.Spec.ClusterReplicas+1, sts.Status.ReadyReplicas)
}
if sts.Status.CurrentReplicas != (drc.Spec.ClusterReplicas + 1) {
return LogAndReturnErrorf("DistributedRedisCluster %s wrong current replicas, want: %d, got: %d",
drc.Name, drc.Spec.ClusterReplicas+1, sts.Status.ReadyReplicas)
}
}
password, err := getClusterPassword(f.Client, drc)
if err != nil {
f.Logf("getClusterPassword err: %s", err)
return err
}
podList, err := f.GetDRCPodsByLabels(getLabels(drc))
if err != nil {
f.Logf("GetDRCPodsByLabels err: %s", err)
return err
}
if len(podList.Items) != int(drc.Spec.MasterSize*(drc.Spec.ClusterReplicas+1)) {
return LogAndReturnErrorf("DistributedRedisCluster %s wrong node number, masterSize %d, clusterReplicas %d, got node number %d",
drc.Name, drc.Spec.MasterSize, drc.Spec.ClusterReplicas, len(podList.Items))
}
redisconf := &config.Redis{
DialTimeout: 5000,
RenameCommandsFile: renameCommandsFile,
RenameCommandsPath: renameCommandsPath,
}
ctx := context.Background()
redisAdmin, err := NewRedisAdmin(podList.Items, password, redisconf, logger, ctx)
if err != nil {
f.Logf("NewRedisAdmin err: %s", err)
return err
}
if _, err := redisAdmin.GetClusterInfos(ctx); err != nil {
f.Logf("DistributedRedisCluster Cluster nodes: %s", err)
return err
}
for addr, c := range redisAdmin.Connections().GetAll() {
configs, err := redisAdmin.GetAllConfig(ctx, c, addr)
if err != nil {
f.Logf("DistributedRedisCluster CONFIG GET: %s", err)
return err
}
for key, value := range drc.Spec.Config {
if value != configs[key] {
return LogAndReturnErrorf("DistributedRedisCluster %s wrong redis config, key: %s, want: %s, got: %s", drc.Name, key, value, configs[key])
}
}
}
drc.Spec = result.Spec
return nil
}
}
func getLabels(cluster *redisv1alpha1.DistributedRedisCluster) map[string]string {
dynLabels := map[string]string{
redisv1alpha1.LabelClusterName: cluster.Name,
redisv1alpha1.LabelManagedByKey: redisv1alpha1.OperatorName,
}
return utils.MergeLabels(dynLabels, cluster.Labels)
}
// NewRedisAdmin builds and returns new redis.Admin from the list of pods
func NewRedisAdmin(pods []corev1.Pod, password string, cfg *config.Redis, reqLogger logr.Logger, ctx context.Context) (redisutil.IAdmin, error) {
nodesAddrs := []string{}
for _, pod := range pods {
redisPort := redisutil.DefaultRedisPort
for _, container := range pod.Spec.Containers {
if container.Name == "redis" {
for _, port := range container.Ports {
if port.Name == "client" {
redisPort = fmt.Sprintf("%d", port.ContainerPort)
}
}
}
}
reqLogger.V(4).Info("append redis admin addr", "addr", pod.Status.PodIP, "port", redisPort)
nodesAddrs = append(nodesAddrs, net.JoinHostPort(pod.Status.PodIP, redisPort))
}
adminConfig := redisutil.AdminOptions{
ConnectionTimeout: time.Duration(cfg.DialTimeout) * time.Millisecond,
RenameCommandsFile: cfg.GetRenameCommandsFile(),
Password: password,
}
return redisutil.NewAdmin(nodesAddrs, &adminConfig, reqLogger, ctx), nil
}
func getClusterPassword(client client.Client, cluster *redisv1alpha1.DistributedRedisCluster) (string, error) {
if cluster.Spec.AdminSecret == nil {
return "", nil
}
secret := &corev1.Secret{}
err := client.Get(context.TODO(), types.NamespacedName{
Name: cluster.Spec.AdminSecret.Name,
Namespace: cluster.Namespace,
}, secret)
if err != nil {
return "", err
}
return string(secret.Data[passwordKey]), nil
}
func ChangeDRCRedisConfig(drc *redisv1alpha1.DistributedRedisCluster) {
drc.Spec.Config["hz"] = "15"
drc.Spec.Config["maxclients"] = "105"
}
func ScaleUPDRC(drc *redisv1alpha1.DistributedRedisCluster) {
drc.Spec.MasterSize = 4
}
func ScaleUPDown(drc *redisv1alpha1.DistributedRedisCluster) {
drc.Spec.MasterSize = 3
}
func ResetPassword(drc *redisv1alpha1.DistributedRedisCluster, passwordSecret string) {
drc.Spec.AdminSecret = &corev1.LocalObjectReference{Name: passwordSecret}
}
func RollingUpdateDRC(drc *redisv1alpha1.DistributedRedisCluster) {
drc.Spec.Image = Redis5_0_6
}
func RestoreDRC(drc *redisv1alpha1.DistributedRedisCluster, drcb *redisv1alpha1.RedisClusterBackup) *redisv1alpha1.DistributedRedisCluster {
name := RandString(8)
return &redisv1alpha1.DistributedRedisCluster{
ObjectMeta: metav1.ObjectMeta{
Name: name,
Namespace: drc.Namespace,
Annotations: map[string]string{
"redis.kun/scope": "cluster-scoped",
},
},
Spec: redisv1alpha1.DistributedRedisClusterSpec{
Image: drc.Spec.Image,
MasterSize: drc.Spec.MasterSize,
ClusterReplicas: drc.Spec.ClusterReplicas,
Config: drc.Spec.Config,
AdminSecret: drc.Spec.AdminSecret,
Resources: drc.Spec.Resources,
Storage: drc.Spec.Storage,
Annotations: drc.Spec.Annotations,
Restore: &redisv1alpha1.RestoreSpec{BackupSource: &redisv1alpha1.BackupSourceSpec{
Namespace: drcb.Namespace,
Name: drcb.Name,
}},
},
}
}
func DeleteMasterPodForDRC(drc *redisv1alpha1.DistributedRedisCluster, client client.Client) {
result := &redisv1alpha1.DistributedRedisCluster{}
if err := client.Get(context.TODO(), types.NamespacedName{
Namespace: drc.Namespace,
Name: drc.Name,
}, result); err != nil {
Failf("can not get DistributedRedisCluster err: %s", err.Error())
}
for _, node := range result.Status.Nodes {
if node.Role == redisv1alpha1.RedisClusterNodeRoleMaster {
pod := &corev1.Pod{
ObjectMeta: metav1.ObjectMeta{
Name: node.PodName,
Namespace: drc.Namespace,
},
}
Logf("deleting pod %s", node.PodName)
if err := client.Delete(context.TODO(), pod); err != nil {
Failf("can not delete DistributedRedisCluster's pod, err: %s", err)
}
}
}
}
func IsDRCPodBeDeleted(f *Framework, drc *redisv1alpha1.DistributedRedisCluster) func() error {
return func() error {
stsList, err := f.GetDRCStatefulSetByLabels(getLabels(drc))
if err != nil {
return LogAndReturnErrorf("GetDRCStatefulSetByLabels err: %s", err)
}
for _, sts := range stsList.Items {
if sts.Status.ReadyReplicas != (drc.Spec.ClusterReplicas + 1) {
return nil
}
}
return LogAndReturnErrorf("StatefulSet's Pod still running")
}
}
func NewRedisClusterBackup(name, namespace, image, drcName, storageSecretName, s3Endpoint, s3Bucket string) *redisv1alpha1.RedisClusterBackup {
return &redisv1alpha1.RedisClusterBackup{
ObjectMeta: metav1.ObjectMeta{
Name: name,
Namespace: namespace,
Annotations: map[string]string{
"redis.kun/scope": "cluster-scoped",
},
},
Spec: redisv1alpha1.RedisClusterBackupSpec{
// Image: image,
RedisClusterName: drcName,
// Backend: store.Backend{
// StorageSecretName: storageSecretName,
// S3: &store.S3Spec{
// Endpoint: s3Endpoint,
// Bucket: s3Bucket,
// },
// },
},
}
}
func IsRedisClusterBackupProperly(f *Framework, drcb *redisv1alpha1.RedisClusterBackup) func() error {
return func() error {
result := &redisv1alpha1.RedisClusterBackup{}
if err := f.Client.Get(context.TODO(), types.NamespacedName{
Namespace: f.Namespace(),
Name: drcb.Name,
}, result); err != nil {
f.Logf("can not get DistributedRedisCluster err: %s", err.Error())
return err
}
if result.Status.Phase != redisv1alpha1.BackupPhaseSucceeded {
return LogAndReturnErrorf("RedisClusterBackup %s status not Succeeded, current: %s", drcb.Name, result.Status.Phase)
}
return nil
}
}
func NewGoRedisClient(svc, namespaces, password string) *GoRedis {
addr := fmt.Sprintf("%s.%s.svc.%s:6379", svc, namespaces, os.Getenv("CLUSTER_DOMAIN"))
return NewGoRedis(addr, password)
}
func IsDBSizeConsistent(originalDBSize int64, goredis *GoRedis) error {
curDBSize, err := goredis.DBSize()
if err != nil {
return err
}
if curDBSize != originalDBSize {
return LogAndReturnErrorf("DBSize do not Equal current: %d, original: %d", curDBSize, originalDBSize)
}
return nil
}