/
pool.go
669 lines (574 loc) · 23.4 KB
/
pool.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
/*
Copyright 2016 The Rook Authors. All rights reserved.
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 client
import (
"encoding/json"
"fmt"
"os"
"path/filepath"
"strconv"
"strings"
"github.com/pkg/errors"
cephv1 "github.com/rook/rook/pkg/apis/ceph.rook.io/v1"
"github.com/rook/rook/pkg/clusterd"
"k8s.io/apimachinery/pkg/api/resource"
)
const (
confirmFlag = "--yes-i-really-mean-it"
reallyConfirmFlag = "--yes-i-really-really-mean-it"
targetSizeRatioProperty = "target_size_ratio"
CompressionModeProperty = "compression_mode"
PgAutoscaleModeProperty = "pg_autoscale_mode"
PgAutoscaleModeOn = "on"
)
type CephStoragePoolSummary struct {
Name string `json:"poolname"`
Number int `json:"poolnum"`
}
type CephStoragePoolDetails struct {
Name string `json:"pool"`
Number int `json:"pool_id"`
Size uint `json:"size"`
ErasureCodeProfile string `json:"erasure_code_profile"`
FailureDomain string `json:"failureDomain"`
CrushRoot string `json:"crushRoot"`
DeviceClass string `json:"deviceClass"`
CompressionMode string `json:"compression_mode"`
TargetSizeRatio float64 `json:"target_size_ratio,omitempty"`
RequireSafeReplicaSize bool `json:"requireSafeReplicaSize,omitempty"`
}
type CephStoragePoolStats struct {
Pools []struct {
Name string `json:"name"`
ID int `json:"id"`
Stats struct {
BytesUsed float64 `json:"bytes_used"`
RawBytesUsed float64 `json:"raw_bytes_used"`
MaxAvail float64 `json:"max_avail"`
Objects float64 `json:"objects"`
DirtyObjects float64 `json:"dirty"`
ReadIO float64 `json:"rd"`
ReadBytes float64 `json:"rd_bytes"`
WriteIO float64 `json:"wr"`
WriteBytes float64 `json:"wr_bytes"`
} `json:"stats"`
} `json:"pools"`
}
type PoolStatistics struct {
Images struct {
Count int `json:"count"`
ProvisionedBytes int `json:"provisioned_bytes"`
SnapCount int `json:"snap_count"`
} `json:"images"`
Trash struct {
Count int `json:"count"`
ProvisionedBytes int `json:"provisioned_bytes"`
SnapCount int `json:"snap_count"`
} `json:"trash"`
}
func ListPoolSummaries(context *clusterd.Context, clusterInfo *ClusterInfo) ([]CephStoragePoolSummary, error) {
args := []string{"osd", "lspools"}
output, err := NewCephCommand(context, clusterInfo, args).Run()
if err != nil {
return nil, errors.Wrap(err, "failed to list pools")
}
var pools []CephStoragePoolSummary
err = json.Unmarshal(output, &pools)
if err != nil {
return nil, errors.Wrapf(err, "unmarshal failed raw buffer response %s", string(output))
}
return pools, nil
}
func GetPoolNamesByID(context *clusterd.Context, clusterInfo *ClusterInfo) (map[int]string, error) {
pools, err := ListPoolSummaries(context, clusterInfo)
if err != nil {
return nil, errors.Wrap(err, "failed to list pools")
}
names := map[int]string{}
for _, p := range pools {
names[p.Number] = p.Name
}
return names, nil
}
// GetPoolDetails gets all the details of a given pool
func GetPoolDetails(context *clusterd.Context, clusterInfo *ClusterInfo, name string) (CephStoragePoolDetails, error) {
args := []string{"osd", "pool", "get", name, "all"}
output, err := NewCephCommand(context, clusterInfo, args).Run()
if err != nil {
return CephStoragePoolDetails{}, errors.Wrapf(err, "failed to get pool %s details. %s", name, string(output))
}
return ParsePoolDetails(output)
}
func ParsePoolDetails(in []byte) (CephStoragePoolDetails, error) {
// The response for osd pool get when passing var=all is actually malformed JSON similar to:
// {"pool":"rbd","size":1}{"pool":"rbd","min_size":2}...
// Note the multiple top level entities, one for each property returned. To workaround this,
// we split the JSON response string into its top level entities, then iterate through them, cleaning
// up the JSON. A single pool details object is repeatedly used to unmarshal each JSON snippet into.
// Since previously set fields remain intact if they are not overwritten, the result is the JSON
// unmarshalling of all properties in the response.
var poolDetails CephStoragePoolDetails
poolDetailsUnits := strings.Split(string(in), "}{")
for i := range poolDetailsUnits {
pdu := poolDetailsUnits[i]
if !strings.HasPrefix(pdu, "{") {
pdu = "{" + pdu
}
if !strings.HasSuffix(pdu, "}") {
pdu += "}"
}
err := json.Unmarshal([]byte(pdu), &poolDetails)
if err != nil {
return CephStoragePoolDetails{}, errors.Wrapf(err, "unmarshal failed raw buffer response %s", string(in))
}
}
return poolDetails, nil
}
func CreatePoolWithProfile(context *clusterd.Context, clusterInfo *ClusterInfo, clusterSpec *cephv1.ClusterSpec, poolName string, pool cephv1.PoolSpec, appName string) error {
if pool.IsReplicated() {
return CreateReplicatedPoolForApp(context, clusterInfo, clusterSpec, poolName, pool, DefaultPGCount, appName)
}
if !pool.IsErasureCoded() {
// neither a replicated or EC pool
return fmt.Errorf("pool %q type is not defined as replicated or erasure coded", poolName)
}
// create a new erasure code profile for the new pool
ecProfileName := GetErasureCodeProfileForPool(poolName)
if err := CreateErasureCodeProfile(context, clusterInfo, ecProfileName, pool); err != nil {
return errors.Wrapf(err, "failed to create erasure code profile for pool %q", poolName)
}
// If the pool is not a replicated pool, then the only other option is an erasure coded pool.
return CreateECPoolForApp(
context,
clusterInfo,
poolName,
ecProfileName,
pool,
DefaultPGCount,
appName,
true /* enableECOverwrite */)
}
func checkForImagesInPool(context *clusterd.Context, clusterInfo *ClusterInfo, name string) error {
var err error
logger.Debugf("checking any images/snapshosts present in pool %q", name)
stats, err := GetPoolStatistics(context, clusterInfo, name)
if err != nil {
if strings.Contains(err.Error(), "No such file or directory") {
return nil
}
return errors.Wrapf(err, "failed to list images/snapshosts in pool %s", name)
}
if stats.Images.Count == 0 && stats.Images.SnapCount == 0 {
logger.Infof("no images/snapshosts present in pool %q", name)
return nil
}
return errors.Errorf("pool %q contains images/snapshosts", name)
}
// DeletePool purges a pool from Ceph
func DeletePool(context *clusterd.Context, clusterInfo *ClusterInfo, name string) error {
// check if the pool exists
pool, err := GetPoolDetails(context, clusterInfo, name)
if err != nil {
return errors.Wrapf(err, "failed to get pool %q details", name)
}
err = checkForImagesInPool(context, clusterInfo, name)
if err != nil {
return errors.Wrapf(err, "failed to check if pool %q has rbd images", name)
}
logger.Infof("purging pool %q (id=%d)", name, pool.Number)
args := []string{"osd", "pool", "delete", name, name, reallyConfirmFlag}
_, err = NewCephCommand(context, clusterInfo, args).Run()
if err != nil {
return errors.Wrapf(err, "failed to delete pool %q", name)
}
// remove the crush rule for this pool and ignore the error in case the rule is still in use or not found
args = []string{"osd", "crush", "rule", "rm", name}
_, err = NewCephCommand(context, clusterInfo, args).Run()
if err != nil {
logger.Errorf("failed to delete crush rule %q. %v", name, err)
}
logger.Infof("purge completed for pool %q", name)
return nil
}
func givePoolAppTag(context *clusterd.Context, clusterInfo *ClusterInfo, poolName, appName string) error {
args := []string{"osd", "pool", "application", "enable", poolName, appName, confirmFlag}
_, err := NewCephCommand(context, clusterInfo, args).Run()
if err != nil {
return errors.Wrapf(err, "failed to enable application %s on pool %s", appName, poolName)
}
return nil
}
func setCommonPoolProperties(context *clusterd.Context, clusterInfo *ClusterInfo, pool cephv1.PoolSpec, poolName, appName string) error {
if len(pool.Parameters) == 0 {
pool.Parameters = make(map[string]string)
}
if pool.Replicated.IsTargetRatioEnabled() {
pool.Parameters[targetSizeRatioProperty] = strconv.FormatFloat(pool.Replicated.TargetSizeRatio, 'f', -1, 32)
}
if pool.IsCompressionEnabled() {
pool.Parameters[CompressionModeProperty] = pool.CompressionMode
}
// Apply properties
for propName, propValue := range pool.Parameters {
err := SetPoolProperty(context, clusterInfo, poolName, propName, propValue)
if err != nil {
logger.Errorf("failed to set property %q to pool %q to %q. %v", propName, poolName, propValue, err)
}
}
// ensure that the newly created pool gets an application tag
if appName != "" {
err := givePoolAppTag(context, clusterInfo, poolName, appName)
if err != nil {
return errors.Wrapf(err, "failed to tag pool %q for application %q", poolName, appName)
}
}
// If the pool is mirrored, let's enable mirroring
// we don't need to check if the pool is erasure coded or not, mirroring will still work, it will simply be slow
if pool.Mirroring.Enabled {
err := enablePoolMirroring(context, clusterInfo, pool, poolName)
if err != nil {
return errors.Wrapf(err, "failed to enable mirroring for pool %q", poolName)
}
// Schedule snapshots
if pool.Mirroring.SnapshotSchedulesEnabled() && clusterInfo.CephVersion.IsAtLeastOctopus() {
err = enableSnapshotSchedules(context, clusterInfo, pool, poolName)
if err != nil {
return errors.Wrapf(err, "failed to enable snapshot scheduling for pool %q", poolName)
}
}
} else {
if pool.Mirroring.Mode == "pool" {
// Remove storage cluster peers
mirrorInfo, err := GetPoolMirroringInfo(context, clusterInfo, poolName)
if err != nil {
return errors.Wrapf(err, "failed to get mirroring info for the pool %q", poolName)
}
for _, peer := range mirrorInfo.Peers {
if peer.UUID != "" {
err := removeClusterPeer(context, clusterInfo, poolName, peer.UUID)
if err != nil {
return errors.Wrapf(err, "failed to remove cluster peer with UUID %q for the pool %q", peer.UUID, poolName)
}
}
}
// Disable mirroring
err = disablePoolMirroring(context, clusterInfo, poolName)
if err != nil {
return errors.Wrapf(err, "failed to disable mirroring for pool %q", poolName)
}
} else if pool.Mirroring.Mode == "image" {
logger.Warningf("manually disable mirroring on images in the pool %q", poolName)
}
}
// set maxSize quota
if pool.Quotas.MaxSize != nil {
// check for format errors
maxBytesQuota, err := resource.ParseQuantity(*pool.Quotas.MaxSize)
if err != nil {
if err == resource.ErrFormatWrong {
return errors.Wrapf(err, "maxSize quota incorrectly formatted for pool %q, valid units include k, M, G, T, P, E, Ki, Mi, Gi, Ti, Pi, Ei", poolName)
}
return errors.Wrapf(err, "failed setting quota for pool %q, maxSize quota parse error", poolName)
}
// set max_bytes quota, 0 value disables quota
err = setPoolQuota(context, clusterInfo, poolName, "max_bytes", strconv.FormatInt(maxBytesQuota.Value(), 10))
if err != nil {
return errors.Wrapf(err, "failed to set max_bytes quota for pool %q", poolName)
}
} else if pool.Quotas.MaxBytes != nil {
// set max_bytes quota, 0 value disables quota
err := setPoolQuota(context, clusterInfo, poolName, "max_bytes", strconv.FormatUint(*pool.Quotas.MaxBytes, 10))
if err != nil {
return errors.Wrapf(err, "failed to set max_bytes quota for pool %q", poolName)
}
}
// set max_objects quota
if pool.Quotas.MaxObjects != nil {
// set max_objects quota, 0 value disables quota
err := setPoolQuota(context, clusterInfo, poolName, "max_objects", strconv.FormatUint(*pool.Quotas.MaxObjects, 10))
if err != nil {
return errors.Wrapf(err, "failed to set max_objects quota for pool %q", poolName)
}
}
return nil
}
func GetErasureCodeProfileForPool(baseName string) string {
return fmt.Sprintf("%s_ecprofile", baseName)
}
func CreateECPoolForApp(context *clusterd.Context, clusterInfo *ClusterInfo, poolName, ecProfileName string, pool cephv1.PoolSpec, pgCount, appName string, enableECOverwrite bool) error {
args := []string{"osd", "pool", "create", poolName, pgCount, "erasure", ecProfileName}
output, err := NewCephCommand(context, clusterInfo, args).Run()
if err != nil {
return errors.Wrapf(err, "failed to create EC pool %s. %s", poolName, string(output))
}
if enableECOverwrite {
if err = SetPoolProperty(context, clusterInfo, poolName, "allow_ec_overwrites", "true"); err != nil {
return errors.Wrapf(err, "failed to allow EC overwrite for pool %s", poolName)
}
}
if err = setCommonPoolProperties(context, clusterInfo, pool, poolName, appName); err != nil {
return err
}
logger.Infof("creating EC pool %s succeeded", poolName)
return nil
}
func CreateReplicatedPoolForApp(context *clusterd.Context, clusterInfo *ClusterInfo, clusterSpec *cephv1.ClusterSpec, poolName string, pool cephv1.PoolSpec, pgCount, appName string) error {
// The crush rule name is the same as the pool unless we have a stretch cluster.
crushRuleName := poolName
if clusterSpec.IsStretchCluster() {
// A stretch cluster enforces using the same crush rule for all pools.
// The stretch cluster rule is created initially by the operator when the stretch cluster is configured
// so there is no need to create a new crush rule for the pools here.
crushRuleName = defaultStretchCrushRuleName
} else if pool.IsHybridStoragePool() {
// Create hybrid crush rule
err := createHybridCrushRule(context, clusterInfo, clusterSpec, crushRuleName, pool)
if err != nil {
return errors.Wrapf(err, "failed to create hybrid crush rule %q", crushRuleName)
}
} else {
if pool.Replicated.ReplicasPerFailureDomain > 1 {
// Create a two-step CRUSH rule for pools other than stretch clusters
err := createStretchCrushRule(context, clusterInfo, clusterSpec, crushRuleName, pool)
if err != nil {
return errors.Wrapf(err, "failed to create two-step crush rule %q", crushRuleName)
}
} else {
// create a crush rule for a replicated pool, if a failure domain is specified
if err := createReplicationCrushRule(context, clusterInfo, clusterSpec, crushRuleName, pool); err != nil {
return errors.Wrapf(err, "failed to create replicated crush rule %q", crushRuleName)
}
}
}
args := []string{"osd", "pool", "create", poolName, pgCount, "replicated", crushRuleName, "--size", strconv.FormatUint(uint64(pool.Replicated.Size), 10)}
output, err := NewCephCommand(context, clusterInfo, args).Run()
if err != nil {
return errors.Wrapf(err, "failed to create replicated pool %s. %s", poolName, string(output))
}
if !clusterSpec.IsStretchCluster() {
// the pool is type replicated, set the size for the pool now that it's been created
// Only set the size if not 0, otherwise ceph will fail to set size to 0
if pool.Replicated.Size > 0 {
if err := SetPoolReplicatedSizeProperty(context, clusterInfo, poolName, strconv.FormatUint(uint64(pool.Replicated.Size), 10)); err != nil {
return errors.Wrapf(err, "failed to set size property to replicated pool %q to %d", poolName, pool.Replicated.Size)
}
}
}
if err = setCommonPoolProperties(context, clusterInfo, pool, poolName, appName); err != nil {
return err
}
logger.Infof("creating replicated pool %s succeeded", poolName)
return nil
}
func createStretchCrushRule(context *clusterd.Context, clusterInfo *ClusterInfo, clusterSpec *cephv1.ClusterSpec, ruleName string, pool cephv1.PoolSpec) error {
// set the crush root to the default if not already specified
if pool.CrushRoot == "" {
pool.CrushRoot = GetCrushRootFromSpec(clusterSpec)
}
// set the crush failure domain to the "host" if not already specified
if pool.FailureDomain == "" {
pool.FailureDomain = cephv1.DefaultFailureDomain
}
// set the crush failure sub domain to the "host" if not already specified
if pool.Replicated.SubFailureDomain == "" {
pool.Replicated.SubFailureDomain = cephv1.DefaultFailureDomain
}
if pool.FailureDomain == pool.Replicated.SubFailureDomain {
return errors.Errorf("failure and subfailure domains cannot be identical, current is %q", pool.FailureDomain)
}
crushMap, err := getCurrentCrushMap(context, clusterInfo)
if err != nil {
return errors.Wrap(err, "failed to get current crush map")
}
if crushRuleExists(crushMap, ruleName) {
logger.Debugf("CRUSH rule %q already exists", ruleName)
return nil
}
// Build plain text rule
ruleset := buildTwoStepPlainCrushRule(crushMap, ruleName, pool)
return updateCrushMap(context, clusterInfo, ruleset)
}
func createHybridCrushRule(context *clusterd.Context, clusterInfo *ClusterInfo, clusterSpec *cephv1.ClusterSpec, ruleName string, pool cephv1.PoolSpec) error {
// set the crush root to the default if not already specified
if pool.CrushRoot == "" {
pool.CrushRoot = GetCrushRootFromSpec(clusterSpec)
}
// set the crush failure domain to the "host" if not already specified
if pool.FailureDomain == "" {
pool.FailureDomain = cephv1.DefaultFailureDomain
}
crushMap, err := getCurrentCrushMap(context, clusterInfo)
if err != nil {
return errors.Wrap(err, "failed to get current crush map")
}
if crushRuleExists(crushMap, ruleName) {
logger.Debugf("CRUSH rule %q already exists", ruleName)
return nil
}
ruleset := buildTwoStepHybridCrushRule(crushMap, ruleName, pool)
return updateCrushMap(context, clusterInfo, ruleset)
}
func updateCrushMap(context *clusterd.Context, clusterInfo *ClusterInfo, ruleset string) error {
// Fetch the compiled crush map
compiledCRUSHMapFilePath, err := GetCompiledCrushMap(context, clusterInfo)
if err != nil {
return errors.Wrap(err, "failed to get crush map")
}
defer func() {
err := os.Remove(compiledCRUSHMapFilePath)
if err != nil {
logger.Errorf("failed to remove file %q. %v", compiledCRUSHMapFilePath, err)
}
}()
// Decompile the plain text to CRUSH binary format
err = decompileCRUSHMap(context, compiledCRUSHMapFilePath)
if err != nil {
return errors.Wrap(err, "failed to compile crush map")
}
decompiledCRUSHMapFilePath := buildDecompileCRUSHFileName(compiledCRUSHMapFilePath)
defer func() {
err := os.Remove(decompiledCRUSHMapFilePath)
if err != nil {
logger.Errorf("failed to remove file %q. %v", decompiledCRUSHMapFilePath, err)
}
}()
// Append plain rule to the decompiled crush map
f, err := os.OpenFile(filepath.Clean(decompiledCRUSHMapFilePath), os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0400)
if err != nil {
return errors.Wrapf(err, "failed to open decompiled crush map %q", decompiledCRUSHMapFilePath)
}
defer func() {
err := f.Close()
if err != nil {
logger.Errorf("failed to close file %q. %v", f.Name(), err)
}
}()
// Append the new crush rule into the crush map
if _, err := f.WriteString(ruleset); err != nil {
return errors.Wrapf(err, "failed to append replicated plain crush rule to decompiled crush map %q", decompiledCRUSHMapFilePath)
}
// Compile the plain text to CRUSH binary format
err = compileCRUSHMap(context, decompiledCRUSHMapFilePath)
if err != nil {
return errors.Wrap(err, "failed to compile crush map")
}
defer func() {
err := os.Remove(buildCompileCRUSHFileName(decompiledCRUSHMapFilePath))
if err != nil {
logger.Errorf("failed to remove file %q. %v", buildCompileCRUSHFileName(decompiledCRUSHMapFilePath), err)
}
}()
// Inject the new CRUSH Map
err = injectCRUSHMap(context, clusterInfo, buildCompileCRUSHFileName(decompiledCRUSHMapFilePath))
if err != nil {
return errors.Wrap(err, "failed to inject crush map")
}
return nil
}
func createReplicationCrushRule(context *clusterd.Context, clusterInfo *ClusterInfo, clusterSpec *cephv1.ClusterSpec, ruleName string, pool cephv1.PoolSpec) error {
failureDomain := pool.FailureDomain
if failureDomain == "" {
failureDomain = cephv1.DefaultFailureDomain
}
// set the crush root to the default if not already specified
crushRoot := pool.CrushRoot
if pool.CrushRoot == "" {
crushRoot = GetCrushRootFromSpec(clusterSpec)
}
args := []string{"osd", "crush", "rule", "create-replicated", ruleName, crushRoot, failureDomain}
var deviceClass string
if pool.DeviceClass != "" {
deviceClass = pool.DeviceClass
args = append(args, deviceClass)
}
_, err := NewCephCommand(context, clusterInfo, args).Run()
if err != nil {
return errors.Wrapf(err, "failed to create crush rule %s", ruleName)
}
return nil
}
// SetPoolProperty sets a property to a given pool
func SetPoolProperty(context *clusterd.Context, clusterInfo *ClusterInfo, name, propName, propVal string) error {
args := []string{"osd", "pool", "set", name, propName, propVal}
logger.Infof("setting pool property %q to %q on pool %q", propName, propVal, name)
_, err := NewCephCommand(context, clusterInfo, args).Run()
if err != nil {
return errors.Wrapf(err, "failed to set pool property %q on pool %q", propName, name)
}
return nil
}
// setPoolQuota sets quotas on a given pool
func setPoolQuota(context *clusterd.Context, clusterInfo *ClusterInfo, poolName, quotaType, quotaVal string) error {
args := []string{"osd", "pool", "set-quota", poolName, quotaType, quotaVal}
logger.Infof("setting quota %q=%q on pool %q", quotaType, quotaVal, poolName)
_, err := NewCephCommand(context, clusterInfo, args).Run()
if err != nil {
return errors.Wrapf(err, "failed to set %q quota on pool %q", quotaType, poolName)
}
return nil
}
// SetPoolReplicatedSizeProperty sets the replica size of a pool
func SetPoolReplicatedSizeProperty(context *clusterd.Context, clusterInfo *ClusterInfo, poolName, size string) error {
propName := "size"
args := []string{"osd", "pool", "set", poolName, propName, size}
if size == "1" {
args = append(args, "--yes-i-really-mean-it")
}
_, err := NewCephCommand(context, clusterInfo, args).Run()
if err != nil {
return errors.Wrapf(err, "failed to set pool property %q on pool %q", propName, poolName)
}
return nil
}
func GetPoolStats(context *clusterd.Context, clusterInfo *ClusterInfo) (*CephStoragePoolStats, error) {
args := []string{"df", "detail"}
output, err := NewCephCommand(context, clusterInfo, args).Run()
if err != nil {
return nil, errors.Wrap(err, "failed to get pool stats")
}
var poolStats CephStoragePoolStats
if err := json.Unmarshal(output, &poolStats); err != nil {
return nil, errors.Wrap(err, "failed to unmarshal pool stats response")
}
return &poolStats, nil
}
func GetPoolStatistics(context *clusterd.Context, clusterInfo *ClusterInfo, name string) (*PoolStatistics, error) {
args := []string{"pool", "stats", name}
cmd := NewRBDCommand(context, clusterInfo, args)
cmd.JsonOutput = true
output, err := cmd.Run()
if err != nil {
return nil, errors.Wrap(err, "failed to get pool stats")
}
var poolStats PoolStatistics
if err := json.Unmarshal(output, &poolStats); err != nil {
return nil, errors.Wrap(err, "failed to unmarshal pool stats response")
}
return &poolStats, nil
}
func crushRuleExists(crushMap CrushMap, ruleName string) bool {
// Check if the crush rule already exists
for _, rule := range crushMap.Rules {
if rule.Name == ruleName {
return true
}
}
return false
}
func getCurrentCrushMap(context *clusterd.Context, clusterInfo *ClusterInfo) (CrushMap, error) {
crushMap, err := GetCrushMap(context, clusterInfo)
if err != nil {
return CrushMap{}, errors.Wrap(err, "failed to get crush map")
}
return crushMap, nil
}