(cherry-pick) Remove job status track information from redis after stop the job in the queue

src/pkg/jobmonitor/redis.go

@@ -23,6 +23,7 @@
 	"github.com/gomodule/redigo/redis"
 
 	"github.com/goharbor/harbor/src/common/job"
+	"github.com/goharbor/harbor/src/jobservice/common/rds"
 	"github.com/goharbor/harbor/src/jobservice/config"
 	"github.com/goharbor/harbor/src/lib/log"
 	libRedis "github.com/goharbor/harbor/src/lib/redis"
@@ -93,6 +94,10 @@
 	if err != nil {
 		return []string{}, err
 	}
+	go func() {
+		// the amount of jobIDs maybe large, so use goroutine to remove the job status tracking info
+		r.removeJobStatusInRedis(ctx, jobIDs)
+	}()
 	if ret < 1 {
 		// no job in queue removed
 		return []string{}, fmt.Errorf("no job in the queue removed")
@@ -102,6 +107,27 @@
 	return jobIDs, nil
 }
 
+// removeJobStatusInRedis remove job status track information from redis, to avoid performance impact when the jobIDs is too large, use batch to remove
+func (r *redisClientImpl) removeJobStatusInRedis(ctx context.Context, jobIDs []string) {
+	conn := r.redisPool.Get()
+	defer conn.Close()
+	for _, id := range jobIDs {
+		namespace := fmt.Sprintf("{%s}", r.namespace)
+		redisKeyStatus := rds.KeyJobStats(namespace, id)
+		log.Debugf("delete job status info for job id:%v, key:%v", id, redisKeyStatus)
+		_, err := conn.Do("DEL", redisKeyStatus)
+		if err != nil {
+			log.Warningf("failed to delete the job status info for job %v, %v, continue", id, err)
+		}
+		redisKeyInProgress := rds.KeyJobTrackInProgress(namespace)
+		log.Debugf("delete inprogress info for key:%v, job id:%v", id, redisKeyInProgress)
+		_, err = conn.Do("HDEL", redisKeyInProgress, id)
+		if err != nil {
+			log.Warningf("failed to delete the job info in %v for job %v, %v, continue", rds.KeyJobTrackInProgress(namespace), id, err)
+		}
+	}
+}
+
 func (r *redisClientImpl) AllJobTypes(ctx context.Context) ([]string, error) {
 	conn := r.redisPool.Get()
 	defer conn.Close()

src/pkg/jobmonitor/redis_test.go

@@ -0,0 +1,86 @@
+//  Copyright Project Harbor Authors
+//
+//  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 jobmonitor
+
+import (
+	"context"
+	"fmt"
+	"os"
+	"testing"
+
+	"github.com/gomodule/redigo/redis"
+	"github.com/stretchr/testify/suite"
+
+	"github.com/goharbor/harbor/src/common/utils"
+	"github.com/goharbor/harbor/src/jobservice/common/rds"
+	"github.com/goharbor/harbor/src/jobservice/config"
+)
+
+type RedisClientTestSuite struct {
+	suite.Suite
+	redisClient redisClientImpl
+	redisURL    string
+}
+
+func (suite *RedisClientTestSuite) SetupSuite() {
+	redisHost := os.Getenv("REDIS_HOST")
+	if redisHost == "" {
+		suite.FailNow("REDIS_HOST is not specified")
+	}
+	suite.redisURL = fmt.Sprintf("redis://%s:6379", redisHost)
+	pool, err := redisPool(&config.RedisPoolConfig{RedisURL: suite.redisURL, Namespace: "{jobservice_namespace}", IdleTimeoutSecond: 30})
+	suite.redisClient = redisClientImpl{
+		redisPool: pool,
+		namespace: "{harbor_job_service_namespace}",
+	}
+	if err != nil {
+		suite.FailNow("failed to create redis client", err)
+	}
+}
+
+func (suite *RedisClientTestSuite) TearDownSuite() {
+}
+
+func (suite *RedisClientTestSuite) TestUntrackJobStatusInBatch() {
+	// create key and value
+	jobIDs := make([]string, 0)
+	conn := suite.redisClient.redisPool.Get()
+	defer conn.Close()
+	for i := 0; i < 100; i++ {
+		k := utils.GenerateRandomStringWithLen(10)
+		jobIDs = append(jobIDs, k)
+		key := rds.KeyJobStats(fmt.Sprintf("{%s}", suite.redisClient.namespace), k)
+		v := utils.GenerateRandomStringWithLen(10)
+		_, err := conn.Do("HSET", key, k, v)
+		if err != nil {
+			suite.FailNow("can not insert data to redis", err)
+		}
+	}
+	suite.redisClient.removeJobStatusInRedis(context.Background(), jobIDs)
+	key := rds.KeyJobStats(fmt.Sprintf("{%s}", suite.redisClient.namespace), "*")
+	result, err := conn.Do("KEYS", key)
+	if err != nil {
+		suite.FailNow("can not get data from redis", err)
+	}
+	remains, err := redis.Values(result, err)
+	if err != nil {
+		suite.FailNow("can not get data from redis", err)
+	}
+	suite.Equal(0, len(remains))
+}
+
+func TestRedisClientTestSuite(t *testing.T) {
+	suite.Run(t, &RedisClientTestSuite{})
+}