add multiple deletion of GC (#18855)

User can specify the workers when to issue an GC execution, the maxium count of workers is 5.

Signed-off-by: wang yan <wangyan@vmware.com>
This commit is contained in:
Wang Yan 2023-06-29 16:22:18 +08:00 committed by GitHub
parent 02a1c417d4
commit 7435c8c5ab
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
16 changed files with 541 additions and 153 deletions

View File

@ -78,6 +78,7 @@ func (c *controller) Start(ctx context.Context, policy Policy, trigger string) (
para := make(map[string]interface{})
para["delete_untagged"] = policy.DeleteUntagged
para["dry_run"] = policy.DryRun
para["workers"] = policy.Workers
para["redis_url_reg"] = policy.ExtraAttrs["redis_url_reg"]
para["time_window"] = policy.ExtraAttrs["time_window"]
@ -233,6 +234,7 @@ func convertTask(task *task.Task) *Task {
RunCount: task.RunCount,
DeleteUntagged: task.GetBoolFromExtraAttrs("delete_untagged"),
DryRun: task.GetBoolFromExtraAttrs("dry_run"),
Workers: int(task.GetNumFromExtraAttrs("workers")),
JobID: task.JobID,
CreationTime: task.CreationTime,
StartTime: task.StartTime,

View File

@ -23,6 +23,7 @@ type Policy struct {
Trigger *Trigger `json:"trigger"`
DeleteUntagged bool `json:"deleteuntagged"`
DryRun bool `json:"dryrun"`
Workers int `json:"workers"`
ExtraAttrs map[string]interface{} `json:"extra_attrs"`
}
@ -60,6 +61,7 @@ type Task struct {
RunCount int32
DeleteUntagged bool
DryRun bool
Workers int
JobID string
CreationTime time.Time
StartTime time.Time

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@ -162,6 +162,7 @@ require (
go.uber.org/atomic v1.7.0 // indirect
go.uber.org/multierr v1.6.0 // indirect
go.uber.org/zap v1.19.0 // indirect
golang.org/x/sync v0.3.0
golang.org/x/sys v0.7.0 // indirect
golang.org/x/term v0.7.0 // indirect
google.golang.org/api v0.110.0 // indirect

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@ -1521,6 +1521,8 @@ golang.org/x/sync v0.0.0-20200625203802-6e8e738ad208/go.mod h1:RxMgew5VJxzue5/jJ
golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20201207232520-09787c993a3a/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.3.0 h1:ftCYgMx6zT/asHUrPw8BLLscYtGznsLAnjq5RH9P66E=
golang.org/x/sync v0.3.0/go.mod h1:FU7BRWz2tNW+3quACPkgCx/L+uEAv1htQ0V83Z9Rj+Y=
golang.org/x/sys v0.0.0-20180224232135-f6cff0780e54/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20180823144017-11551d06cbcc/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=

View File

@ -17,8 +17,12 @@ package gc
import (
"encoding/json"
"os"
"sync/atomic"
"time"
"github.com/google/uuid"
"golang.org/x/sync/errgroup"
"github.com/goharbor/harbor/src/common/registryctl"
"github.com/goharbor/harbor/src/controller/artifact"
"github.com/goharbor/harbor/src/controller/project"
@ -66,6 +70,7 @@ type GarbageCollector struct {
// hold all of GC candidates(non-referenced blobs), it's captured by mark and consumed by sweep.
deleteSet []*blobModels.Blob
timeWindowHours int64
workers int
}
// MaxFails implements the interface in job/Interface
@ -141,8 +146,19 @@ func (gc *GarbageCollector) parseParams(params job.Parameters) {
}
}
gc.logger.Infof("Garbage Collection parameters: [delete_untagged: %t, dry_run: %t, time_window: %d]",
gc.deleteUntagged, gc.dryRun, gc.timeWindowHours)
// gc workers: default is 1. The business unit of removing blobs.
gc.workers = 1
ws, exist := params["workers"]
if exist {
if workers, ok := ws.(float64); ok {
if int(workers) > 0 {
gc.workers = int(workers)
}
}
}
gc.logger.Infof("Garbage Collection parameters: [delete_untagged: %t, dry_run: %t, time_window: %d, workers: %d]",
gc.deleteUntagged, gc.dryRun, gc.timeWindowHours, gc.workers)
}
// Run implements the interface in job/Interface
@ -220,6 +236,7 @@ func (gc *GarbageCollector) mark(ctx job.Context) error {
blobCt := 0
mfCt := 0
makeSize := int64(0)
for _, blob := range blobs {
if !gc.dryRun {
if gc.shouldStop(ctx) {
@ -259,159 +276,198 @@ func (gc *GarbageCollector) sweep(ctx job.Context) error {
blobCnt := int64(0)
mfCnt := int64(0)
total := len(gc.deleteSet)
for i, blob := range gc.deleteSet {
if gc.shouldStop(ctx) {
return errGcStop
}
idx := i + 1
// set the status firstly, if the blob is updated by any HEAD/PUT request, it should be fail and skip.
blob.Status = blobModels.StatusDeleting
count, err := gc.blobMgr.UpdateBlobStatus(ctx.SystemContext(), blob)
if err != nil {
gc.logger.Errorf("[%d/%d] failed to mark gc candidate deleting, skip: %s, %s", idx, total, blob.Digest, blob.Status)
continue
}
if count == 0 {
gc.logger.Warningf("[%d/%d] no blob found to mark gc candidate deleting, ID:%d, digest:%s", idx, total, blob.ID, blob.Digest)
continue
}
// remove tags and revisions of a manifest
skippedBlob := false
if _, exist := gc.trashedArts[blob.Digest]; exist && blob.IsManifest() {
for _, art := range gc.trashedArts[blob.Digest] {
// Harbor cannot know the existing tags in the backend from its database, so let the v2 DELETE manifest to remove all of them.
gc.logger.Infof("[%d/%d] delete the manifest with registry v2 API: %s, %s, %s",
idx, total, art.RepositoryName, blob.ContentType, blob.Digest)
if err := retry.Retry(func() error {
return ignoreNotFound(func() error {
err := v2DeleteManifest(art.RepositoryName, blob.Digest)
// if the system is in read-only mode, return an Abort error to skip retrying
if err == readonly.Err {
return retry.Abort(err)
}
return err
})
}, retry.Callback(func(err error, sleep time.Duration) {
gc.logger.Infof("[%d/%d] failed to exec v2DeleteManifest, error: %v, will retry again after: %s", idx, total, err, sleep)
})); err != nil {
gc.logger.Errorf("[%d/%d] failed to delete manifest with v2 API, %s, %s, %v", idx, total, art.RepositoryName, blob.Digest, err)
if err := ignoreNotFound(func() error {
return gc.markDeleteFailed(ctx, blob)
}); err != nil {
gc.logger.Errorf("[%d/%d] failed to call gc.markDeleteFailed() after v2DeleteManifest() error out: %s, %v", idx, total, blob.Digest, err)
return err
}
// if the system is set to read-only mode, return directly
if err == readonly.Err {
return err
}
skippedBlob = true
continue
}
// for manifest, it has to delete the revisions folder of each repository
gc.logger.Infof("[%d/%d] delete manifest from storage: %s", idx, total, blob.Digest)
if err := retry.Retry(func() error {
return ignoreNotFound(func() error {
err := gc.registryCtlClient.DeleteManifest(art.RepositoryName, blob.Digest)
// if the system is in read-only mode, return an Abort error to skip retrying
if err == readonly.Err {
return retry.Abort(err)
}
return err
})
}, retry.Callback(func(err error, sleep time.Duration) {
gc.logger.Infof("[%d/%d] failed to exec DeleteManifest, error: %v, will retry again after: %s", idx, total, err, sleep)
})); err != nil {
gc.logger.Errorf("[%d/%d] failed to remove manifest from storage: %s, %s, errMsg=%v", idx, total, art.RepositoryName, blob.Digest, err)
if err := ignoreNotFound(func() error {
return gc.markDeleteFailed(ctx, blob)
}); err != nil {
gc.logger.Errorf("[%d/%d] failed to call gc.markDeleteFailed() after gc.registryCtlClient.DeleteManifest() error out: %s, %s, %v", idx, total, art.RepositoryName, blob.Digest, err)
return err
}
// if the system is set to read-only mode, return directly
if err == readonly.Err {
return err
}
skippedBlob = true
continue
}
gc.logger.Infof("[%d/%d] delete artifact blob record from database: %d, %s, %s", idx, total, art.ID, art.RepositoryName, art.Digest)
if err := ignoreNotFound(func() error {
return gc.blobMgr.CleanupAssociationsForArtifact(ctx.SystemContext(), art.Digest)
}); err != nil {
gc.logger.Errorf("[%d/%d] failed to call gc.blobMgr.CleanupAssociationsForArtifact(): %v, errMsg=%v", idx, total, art.Digest, err)
return err
}
gc.logger.Infof("[%d/%d] delete artifact trash record from database: %d, %s, %s", idx, total, art.ID, art.RepositoryName, art.Digest)
if err := ignoreNotFound(func() error {
return gc.artrashMgr.Delete(ctx.SystemContext(), art.ID)
}); err != nil {
gc.logger.Errorf("[%d/%d] failed to call gc.artrashMgr.Delete(): %v, errMsg=%v", idx, total, art.ID, err)
return err
}
}
}
// skip deleting the blob if the manifest's tag/revision is not deleted
if skippedBlob {
continue
}
// delete all of blobs, which include config, layer and manifest
// for the foreign layer, as it's not stored in the storage, no need to call the delete api and count size, but still have to delete the DB record.
if !blob.IsForeignLayer() {
gc.logger.Infof("[%d/%d] delete blob from storage: %s", idx, total, blob.Digest)
if err := retry.Retry(func() error {
return ignoreNotFound(func() error {
err := gc.registryCtlClient.DeleteBlob(blob.Digest)
// if the system is in read-only mode, return an Abort error to skip retrying
if err == readonly.Err {
return retry.Abort(err)
}
return err
})
}, retry.Callback(func(err error, sleep time.Duration) {
gc.logger.Infof("[%d/%d] failed to exec DeleteBlob, error: %v, will retry again after: %s", idx, total, err, sleep)
})); err != nil {
gc.logger.Errorf("[%d/%d] failed to delete blob from storage: %s, %s, errMsg=%v", idx, total, blob.Digest, blob.Status, err)
if err := ignoreNotFound(func() error {
return gc.markDeleteFailed(ctx, blob)
}); err != nil {
gc.logger.Errorf("[%d/%d] failed to call gc.markDeleteFailed() after gc.registryCtlClient.DeleteBlob() error out: %s, %v", idx, total, blob.Digest, err)
return err
}
// if the system is set to read-only mode, return directly
if err == readonly.Err {
return err
}
continue
}
sweepSize = sweepSize + blob.Size
}
gc.logger.Infof("[%d/%d] delete blob record from database: %d, %s", idx, total, blob.ID, blob.Digest)
if err := ignoreNotFound(func() error {
return gc.blobMgr.Delete(ctx.SystemContext(), blob.ID)
}); err != nil {
gc.logger.Errorf("[%d/%d] failed to delete blob from database: %s, %s, errMsg=%v", idx, total, blob.Digest, blob.Status, err)
if err := ignoreNotFound(func() error {
return gc.markDeleteFailed(ctx, blob)
}); err != nil {
gc.logger.Errorf("[%d/%d] failed to call gc.markDeleteFailed() after gc.blobMgr.Delete() error out, %d, %s %v", idx, total, blob.ID, blob.Digest, err)
return err
}
return err
}
if blob.IsManifest() {
mfCnt++
} else {
blobCnt++
}
// split the full set into pieces (count workers)
if total <= 0 || gc.workers <= 0 {
return nil
}
blobChunkSize, err := divide(total, gc.workers)
if err != nil {
return err
}
blobChunkCount := (total + blobChunkSize - 1) / blobChunkSize
blobChunks := make([][]*blobModels.Blob, blobChunkCount)
for i, start := 0, 0; i < blobChunkCount; i, start = i+1, start+blobChunkSize {
end := start + blobChunkSize
if end > total {
end = total
}
blobChunks[i] = gc.deleteSet[start:end]
}
g := new(errgroup.Group)
g.SetLimit(gc.workers)
index := int64(0)
for _, blobChunk := range blobChunks {
blobChunk := blobChunk
g.Go(func() error {
uid := uuid.New().String()
for _, blob := range blobChunk {
if gc.shouldStop(ctx) {
return errGcStop
}
atomic.AddInt64(&index, 1)
index := atomic.LoadInt64(&index)
// set the status firstly, if the blob is updated by any HEAD/PUT request, it should be fail and skip.
blob.Status = blobModels.StatusDeleting
count, err := gc.blobMgr.UpdateBlobStatus(ctx.SystemContext(), blob)
if err != nil {
gc.logger.Errorf("[%s][%d/%d] failed to mark gc candidate deleting, skip: %s, %s", uid, index, total, blob.Digest, blob.Status)
continue
}
if count == 0 {
gc.logger.Warningf("[%s][%d/%d] no blob found to mark gc candidate deleting, ID:%d, digest:%s", uid, index, total, blob.ID, blob.Digest)
continue
}
// remove tags and revisions of a manifest
skippedBlob := false
if _, exist := gc.trashedArts[blob.Digest]; exist && blob.IsManifest() {
for _, art := range gc.trashedArts[blob.Digest] {
// Harbor cannot know the existing tags in the backend from its database, so let the v2 DELETE manifest to remove all of them.
gc.logger.Infof("[%s][%d/%d] delete the manifest with registry v2 API: %s, %s, %s",
uid, index, total, art.RepositoryName, blob.ContentType, blob.Digest)
if err := retry.Retry(func() error {
return ignoreNotFound(func() error {
err := v2DeleteManifest(art.RepositoryName, blob.Digest)
// if the system is in read-only mode, return an Abort error to skip retrying
if err == readonly.Err {
return retry.Abort(err)
}
return err
})
}, retry.Callback(func(err error, sleep time.Duration) {
gc.logger.Infof("[%s][%d/%d] failed to exec v2DeleteManifest, error: %v, will retry again after: %s", uid, index, total, err, sleep)
})); err != nil {
gc.logger.Errorf("[%s][%d/%d] failed to delete manifest with v2 API, %s, %s, %v", uid, index, total, art.RepositoryName, blob.Digest, err)
if err := ignoreNotFound(func() error {
return gc.markDeleteFailed(ctx, blob)
}); err != nil {
gc.logger.Errorf("[%s][%d/%d] failed to call gc.markDeleteFailed() after v2DeleteManifest() error out: %s, %v", uid, index, total, blob.Digest, err)
return err
}
// if the system is set to read-only mode, return directly
if err == readonly.Err {
return err
}
skippedBlob = true
continue
}
// for manifest, it has to delete the revisions folder of each repository
gc.logger.Infof("[%s][%d/%d] delete manifest from storage: %s", uid, index, total, blob.Digest)
if err := retry.Retry(func() error {
return ignoreNotFound(func() error {
err := gc.registryCtlClient.DeleteManifest(art.RepositoryName, blob.Digest)
// if the system is in read-only mode, return an Abort error to skip retrying
if err == readonly.Err {
return retry.Abort(err)
}
return err
})
}, retry.Callback(func(err error, sleep time.Duration) {
gc.logger.Infof("[%s][%d/%d] failed to exec DeleteManifest, error: %v, will retry again after: %s", uid, index, total, err, sleep)
})); err != nil {
gc.logger.Errorf("[%s][%d/%d] failed to remove manifest from storage: %s, %s, errMsg=%v", uid, index, total, art.RepositoryName, blob.Digest, err)
if err := ignoreNotFound(func() error {
return gc.markDeleteFailed(ctx, blob)
}); err != nil {
gc.logger.Errorf("[%s][%d/%d] failed to call gc.markDeleteFailed() after gc.registryCtlClient.DeleteManifest() error out: %s, %s, %v", uid, index, total, art.RepositoryName, blob.Digest, err)
return err
}
// if the system is set to read-only mode, return directly
if err == readonly.Err {
return err
}
skippedBlob = true
continue
}
gc.logger.Infof("[%s][%d/%d] delete artifact blob record from database: %d, %s, %s", uid, index, total, art.ID, art.RepositoryName, art.Digest)
if err := ignoreNotFound(func() error {
return gc.blobMgr.CleanupAssociationsForArtifact(ctx.SystemContext(), art.Digest)
}); err != nil {
gc.logger.Errorf("[%s][%d/%d] failed to call gc.blobMgr.CleanupAssociationsForArtifact(): %v, errMsg=%v", uid, index, total, art.Digest, err)
return err
}
gc.logger.Infof("[%s][%d/%d] delete artifact trash record from database: %d, %s, %s", uid, index, total, art.ID, art.RepositoryName, art.Digest)
if err := ignoreNotFound(func() error {
return gc.artrashMgr.Delete(ctx.SystemContext(), art.ID)
}); err != nil {
gc.logger.Errorf("[%s][%d/%d] failed to call gc.artrashMgr.Delete(): %v, errMsg=%v", uid, index, total, art.ID, err)
return err
}
}
}
// skip deleting the blob if the manifest's tag/revision is not deleted
if skippedBlob {
continue
}
// delete all the blobs, which include config, layer and manifest
// for the foreign layer, as it's not stored in the storage, no need to call the delete api and count size, but still have to delete the DB record.
if !blob.IsForeignLayer() {
gc.logger.Infof("[%s][%d/%d] delete blob from storage: %s", uid, index, total, blob.Digest)
if err := retry.Retry(func() error {
return ignoreNotFound(func() error {
err := gc.registryCtlClient.DeleteBlob(blob.Digest)
// if the system is in read-only mode, return an Abort error to skip retrying
if err == readonly.Err {
return retry.Abort(err)
}
return err
})
}, retry.Callback(func(err error, sleep time.Duration) {
gc.logger.Infof("[%s][%d/%d] failed to exec DeleteBlob, error: %v, will retry again after: %s", uid, index, total, err, sleep)
})); err != nil {
gc.logger.Errorf("[%s][%d/%d] failed to delete blob from storage: %s, %s, errMsg=%v", uid, index, total, blob.Digest, blob.Status, err)
if err := ignoreNotFound(func() error {
return gc.markDeleteFailed(ctx, blob)
}); err != nil {
gc.logger.Errorf("[%s][%d/%d] failed to call gc.markDeleteFailed() after gc.registryCtlClient.DeleteBlob() error out: %s, %v", uid, index, total, blob.Digest, err)
return err
}
// if the system is set to read-only mode, return directly
if err == readonly.Err {
return err
}
continue
}
atomic.AddInt64(&sweepSize, blob.Size)
}
gc.logger.Infof("[%s][%d/%d] delete blob record from database: %d, %s", uid, index, total, blob.ID, blob.Digest)
if err := ignoreNotFound(func() error {
return gc.blobMgr.Delete(ctx.SystemContext(), blob.ID)
}); err != nil {
gc.logger.Errorf("[%s][%d/%d] failed to delete blob from database: %s, %s, errMsg=%v", uid, index, total, blob.Digest, blob.Status, err)
if err := ignoreNotFound(func() error {
return gc.markDeleteFailed(ctx, blob)
}); err != nil {
gc.logger.Errorf("[%s][%d/%d] failed to call gc.markDeleteFailed() after gc.blobMgr.Delete() error out, %d, %s %v", uid, index, total, blob.ID, blob.Digest, err)
return err
}
return err
}
if blob.IsManifest() {
atomic.AddInt64(&mfCnt, 1)
} else {
atomic.AddInt64(&blobCnt, 1)
}
}
return nil
})
}
if err := g.Wait(); err != nil {
gc.logger.Errorf("failed to execute mark(), error out, %v", err)
return err
}
gc.logger.Infof("%d blobs and %d manifests are actually deleted", blobCnt, mfCnt)
gc.logger.Infof("The GC job actual frees up %d MB space.", sweepSize/1024/1024)

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@ -161,9 +161,11 @@ func (suite *gcTestSuite) TestInit() {
"delete_untagged": true,
"redis_url_reg": "redis url",
"time_window": 1,
"workers": float64(3),
}
suite.Nil(gc.init(ctx, params))
suite.True(gc.deleteUntagged)
suite.Equal(3, gc.workers)
params = map[string]interface{}{
"delete_untagged": "unsupported",
@ -279,6 +281,7 @@ func (suite *gcTestSuite) TestRun() {
"delete_untagged": false,
"redis_url_reg": tests.GetRedisURL(),
"time_window": 1,
"workers": 3,
}
suite.Nil(gc.Run(ctx, params))
@ -375,6 +378,7 @@ func (suite *gcTestSuite) TestSweep() {
ContentType: schema2.MediaTypeLayer,
},
},
workers: 3,
}
suite.Nil(gc.sweep(ctx))

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@ -76,3 +76,18 @@ func ignoreNotFound(f func() error) error {
}
return nil
}
// divide if it is divisible, it gives the quotient. if it's not, it gives the remainder.
func divide(a, b int) (int, error) {
if b == 0 {
return 0, errors.New("the divided cannot be zero")
}
quotient := a / b
remainder := a % b
if quotient == 0 {
return remainder, nil
}
return quotient, nil
}

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@ -0,0 +1,50 @@
package gc
import (
"github.com/goharbor/harbor/src/lib/errors"
"testing"
"github.com/stretchr/testify/assert"
)
func TestIgnoreNotFound(t *testing.T) {
var f = func() error {
return nil
}
assert.Nil(t, ignoreNotFound(f))
f = func() error {
return errors.New(nil).WithMessage("my error")
}
assert.NotNil(t, ignoreNotFound(f))
f = func() error {
return errors.New(nil).WithMessage("my error").WithCode(errors.BadRequestCode)
}
assert.NotNil(t, ignoreNotFound(f))
f = func() error {
return errors.New(nil).WithMessage("my error").WithCode(errors.NotFoundCode)
}
assert.Nil(t, ignoreNotFound(f))
}
func TestDivide(t *testing.T) {
var result int
var err error
result, err = divide(1, 10)
assert.Nil(t, err)
assert.Equal(t, 1, result)
result, err = divide(5, 10)
assert.Nil(t, err)
assert.Equal(t, 5, result)
result, err = divide(30, 10)
assert.Nil(t, err)
assert.Equal(t, 3, result)
result, err = divide(33, 10)
assert.Nil(t, err)
assert.Equal(t, 3, result)
result, err = divide(33, 0)
assert.NotNil(t, err)
}

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@ -99,6 +99,17 @@ func (g *gcAPI) kick(ctx context.Context, scheType string, cron string, paramete
if deleteUntagged, ok := parameters["delete_untagged"].(bool); ok {
policy.DeleteUntagged = deleteUntagged
}
if workers, ok := parameters["workers"].(json.Number); ok {
wInt, err := workers.Int64()
if err != nil {
return 0, errors.BadRequestError(fmt.Errorf("workers should be integer format"))
}
if !validateWorkers(int(wInt)) {
return 0, errors.New(nil).WithCode(errors.BadRequestCode).WithMessage("Error: Invalid number of workers:%s. Workers must be greater than 0 and less than or equal to 5.", workers)
}
policy.Workers = int(wInt)
}
id, err = g.gcCtr.Start(ctx, policy, task.ExecutionTriggerManual)
case ScheduleNone:
err = g.gcCtr.DeleteSchedule(ctx)
@ -112,6 +123,16 @@ func (g *gcAPI) kick(ctx context.Context, scheType string, cron string, paramete
if deleteUntagged, ok := parameters["delete_untagged"].(bool); ok {
policy.DeleteUntagged = deleteUntagged
}
if workers, ok := parameters["workers"].(json.Number); ok {
wInt, err := workers.Int64()
if err != nil {
return 0, errors.BadRequestError(fmt.Errorf("workers should be integer format"))
}
if !validateWorkers(int(wInt)) {
return 0, errors.New(nil).WithCode(errors.BadRequestCode).WithMessage("Error: Invalid number of workers:%s. Workers must be greater than 0 and less than or equal to 5.", workers)
}
policy.Workers = int(wInt)
}
err = g.updateSchedule(ctx, scheType, cron, policy)
}
return id, err
@ -260,3 +281,10 @@ func (g *gcAPI) StopGC(ctx context.Context, params operation.StopGCParams) middl
return operation.NewStopGCOK()
}
func validateWorkers(workers int) bool {
if workers <= 0 || workers > 5 {
return false
}
return true
}

View File

@ -0,0 +1,15 @@
package handler
import (
"testing"
"github.com/stretchr/testify/assert"
)
func TestValidateWorkers(t *testing.T) {
assert.False(t, validateWorkers(0))
assert.False(t, validateWorkers(10))
assert.False(t, validateWorkers(-1))
assert.True(t, validateWorkers(1))
assert.True(t, validateWorkers(5))
}

27
src/vendor/golang.org/x/sync/LICENSE generated vendored Normal file
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@ -0,0 +1,27 @@
Copyright (c) 2009 The Go Authors. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the following disclaimer
in the documentation and/or other materials provided with the
distribution.
* Neither the name of Google Inc. nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

22
src/vendor/golang.org/x/sync/PATENTS generated vendored Normal file
View File

@ -0,0 +1,22 @@
Additional IP Rights Grant (Patents)
"This implementation" means the copyrightable works distributed by
Google as part of the Go project.
Google hereby grants to You a perpetual, worldwide, non-exclusive,
no-charge, royalty-free, irrevocable (except as stated in this section)
patent license to make, have made, use, offer to sell, sell, import,
transfer and otherwise run, modify and propagate the contents of this
implementation of Go, where such license applies only to those patent
claims, both currently owned or controlled by Google and acquired in
the future, licensable by Google that are necessarily infringed by this
implementation of Go. This grant does not include claims that would be
infringed only as a consequence of further modification of this
implementation. If you or your agent or exclusive licensee institute or
order or agree to the institution of patent litigation against any
entity (including a cross-claim or counterclaim in a lawsuit) alleging
that this implementation of Go or any code incorporated within this
implementation of Go constitutes direct or contributory patent
infringement, or inducement of patent infringement, then any patent
rights granted to you under this License for this implementation of Go
shall terminate as of the date such litigation is filed.

132
src/vendor/golang.org/x/sync/errgroup/errgroup.go generated vendored Normal file
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@ -0,0 +1,132 @@
// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Package errgroup provides synchronization, error propagation, and Context
// cancelation for groups of goroutines working on subtasks of a common task.
package errgroup
import (
"context"
"fmt"
"sync"
)
type token struct{}
// A Group is a collection of goroutines working on subtasks that are part of
// the same overall task.
//
// A zero Group is valid, has no limit on the number of active goroutines,
// and does not cancel on error.
type Group struct {
cancel func(error)
wg sync.WaitGroup
sem chan token
errOnce sync.Once
err error
}
func (g *Group) done() {
if g.sem != nil {
<-g.sem
}
g.wg.Done()
}
// WithContext returns a new Group and an associated Context derived from ctx.
//
// The derived Context is canceled the first time a function passed to Go
// returns a non-nil error or the first time Wait returns, whichever occurs
// first.
func WithContext(ctx context.Context) (*Group, context.Context) {
ctx, cancel := withCancelCause(ctx)
return &Group{cancel: cancel}, ctx
}
// Wait blocks until all function calls from the Go method have returned, then
// returns the first non-nil error (if any) from them.
func (g *Group) Wait() error {
g.wg.Wait()
if g.cancel != nil {
g.cancel(g.err)
}
return g.err
}
// Go calls the given function in a new goroutine.
// It blocks until the new goroutine can be added without the number of
// active goroutines in the group exceeding the configured limit.
//
// The first call to return a non-nil error cancels the group's context, if the
// group was created by calling WithContext. The error will be returned by Wait.
func (g *Group) Go(f func() error) {
if g.sem != nil {
g.sem <- token{}
}
g.wg.Add(1)
go func() {
defer g.done()
if err := f(); err != nil {
g.errOnce.Do(func() {
g.err = err
if g.cancel != nil {
g.cancel(g.err)
}
})
}
}()
}
// TryGo calls the given function in a new goroutine only if the number of
// active goroutines in the group is currently below the configured limit.
//
// The return value reports whether the goroutine was started.
func (g *Group) TryGo(f func() error) bool {
if g.sem != nil {
select {
case g.sem <- token{}:
// Note: this allows barging iff channels in general allow barging.
default:
return false
}
}
g.wg.Add(1)
go func() {
defer g.done()
if err := f(); err != nil {
g.errOnce.Do(func() {
g.err = err
if g.cancel != nil {
g.cancel(g.err)
}
})
}
}()
return true
}
// SetLimit limits the number of active goroutines in this group to at most n.
// A negative value indicates no limit.
//
// Any subsequent call to the Go method will block until it can add an active
// goroutine without exceeding the configured limit.
//
// The limit must not be modified while any goroutines in the group are active.
func (g *Group) SetLimit(n int) {
if n < 0 {
g.sem = nil
return
}
if len(g.sem) != 0 {
panic(fmt.Errorf("errgroup: modify limit while %v goroutines in the group are still active", len(g.sem)))
}
g.sem = make(chan token, n)
}

14
src/vendor/golang.org/x/sync/errgroup/go120.go generated vendored Normal file
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@ -0,0 +1,14 @@
// Copyright 2023 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//go:build go1.20
// +build go1.20
package errgroup
import "context"
func withCancelCause(parent context.Context) (context.Context, func(error)) {
return context.WithCancelCause(parent)
}

15
src/vendor/golang.org/x/sync/errgroup/pre_go120.go generated vendored Normal file
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@ -0,0 +1,15 @@
// Copyright 2023 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//go:build !go1.20
// +build !go1.20
package errgroup
import "context"
func withCancelCause(parent context.Context) (context.Context, func(error)) {
ctx, cancel := context.WithCancel(parent)
return ctx, func(error) { cancel() }
}

View File

@ -696,6 +696,9 @@ golang.org/x/oauth2/google/internal/externalaccount
golang.org/x/oauth2/internal
golang.org/x/oauth2/jws
golang.org/x/oauth2/jwt
# golang.org/x/sync v0.3.0
## explicit; go 1.17
golang.org/x/sync/errgroup
# golang.org/x/sys v0.7.0
## explicit; go 1.17
golang.org/x/sys/internal/unsafeheader