fix(publisher): fix redis command usage (#184)

This pull request introduces Redis integration into the `publisher`
service, refactoring the code to accommodate the new Redis client and
updating the handling of Redis commands. The most important changes
include adding the Redis client configuration, modifying the `Publisher`
and `Service` structs, and updating Redis command methods.

### Redis Integration:

*
[`publisher/cmd/worker/main.go`](diffhunk://#diff-0c11d49a84dbe2803f3a531ba845598d4d2c9f4be0b64f1f2ff347d8e9afcb45R14):
Added Redis client configuration and passed the Redis client to the
`tiup.NewPublisher` function.
[[1]](diffhunk://#diff-0c11d49a84dbe2803f3a531ba845598d4d2c9f4be0b64f1f2ff347d8e9afcb45R14)
[[2]](diffhunk://#diff-0c11d49a84dbe2803f3a531ba845598d4d2c9f4be0b64f1f2ff347d8e9afcb45R52-R65)

### Struct Modifications:

*
[`publisher/pkg/config/config.go`](diffhunk://#diff-41ecac7d460be2b3759c4d88b60e7177542db7888ba0c8254f8eab123a17b64bR8-L20):
Added a `Redis` struct to hold Redis configuration and updated the
`Worker` and `Service` structs to include this new `Redis` field.

### Redis Command Updates:

*
[`publisher/pkg/impl/tiup/publisher.go`](diffhunk://#diff-620e3293cf87ba54e2ed9269601e334343caa82c36ecd1371d17fa71ce8393c5L22-R26):
Changed the `redisClient` type from `*redis.Client` to `redis.Cmdable`
and updated Redis command methods to use `SetXX` instead of `Set`.
[[1]](diffhunk://#diff-620e3293cf87ba54e2ed9269601e334343caa82c36ecd1371d17fa71ce8393c5L22-R26)
[[2]](diffhunk://#diff-620e3293cf87ba54e2ed9269601e334343caa82c36ecd1371d17fa71ce8393c5L45-R45)
[[3]](diffhunk://#diff-620e3293cf87ba54e2ed9269601e334343caa82c36ecd1371d17fa71ce8393c5L55-R57)
*
[`publisher/pkg/impl/tiup/service.go`](diffhunk://#diff-df9108e5a06158c0822dfd658fdfcbf5fa1ca7bcde2884ecaa32a0d79bf515faL22-R28):
Updated the `redisClient` type and changed the Redis command method from
`SetXX` to `SetNX` for initial status setting.
[[1]](diffhunk://#diff-df9108e5a06158c0822dfd658fdfcbf5fa1ca7bcde2884ecaa32a0d79bf515faL22-R28)
[[2]](diffhunk://#diff-df9108e5a06158c0822dfd658fdfcbf5fa1ca7bcde2884ecaa32a0d79bf515faL77-R77)

Signed-off-by: wuhuizuo <wuhuizuo@126.com>

---------

Signed-off-by: wuhuizuo <wuhuizuo@126.com>

publisher/cmd/worker/main.go

@@ -11,6 +11,7 @@ import (
 	"syscall"
 
 	"github.com/cloudevents/sdk-go/v2/event"
+	"github.com/go-redis/redis/v8"
 	"github.com/rs/zerolog"
 	"github.com/rs/zerolog/log"
 	"github.com/segmentio/kafka-go"
@@ -48,12 +49,20 @@ func main() {
 		}
 	}
 
+	// Configure Redis client
+	redisClient := redis.NewClient(&redis.Options{
+		Addr:     config.Redis.Addr,
+		Password: config.Redis.Password,
+		Username: config.Redis.Username,
+		DB:       config.Redis.DB,
+	})
+
 	ctx := log.Logger.WithContext(context.Background())
 	// Create TiUP publisher
 	var handler *tiup.Publisher
 	{
 		var err error
-		handler, err = tiup.NewPublisher(config.MirrorUrl, config.LarkWebhookURL, &log.Logger)
+		handler, err = tiup.NewPublisher(config.MirrorUrl, config.LarkWebhookURL, &log.Logger, redisClient)
 		if err != nil {
 			log.Fatal().Err(err).Msg("Error creating handler")
 		}

publisher/pkg/config/config.go

@@ -5,19 +5,22 @@ type Worker struct {
 		KafkaBasic    `yaml:",inline" json:",inline"`
 		ConsumerGroup string `yaml:"consumer_group" json:"consumer_group,omitempty"`
 	} `yaml:"kafka" json:"kafka,omitempty"`
+	Redis          Redis  `yaml:"redis" json:"redis,omitempty"`
 	MirrorUrl      string `yaml:"mirror_url" json:"mirror_url,omitempty"`
 	LarkWebhookURL string `yaml:"lark_webhook_url" json:"lark_webhook_url,omitempty"`
 }
 
 type Service struct {
-	Kafka KafkaBasic `yaml:"kafka" json:"kafka,omitempty"`
-	Redis struct {
-		Addr     string `yaml:"addr" json:"addr,omitempty"`
-		DB       int    `yaml:"db" json:"db,omitempty"`
-		Username string `yaml:"username" json:"username,omitempty"`
-		Password string `yaml:"password" json:"password,omitempty"`
-	} `yaml:"redis" json:"redis,omitempty"`
-	EventSource string `yaml:"event_source" json:"event_source,omitempty"`
+	Kafka       KafkaBasic `yaml:"kafka" json:"kafka,omitempty"`
+	Redis       Redis      `yaml:"redis" json:"redis,omitempty"`
+	EventSource string     `yaml:"event_source" json:"event_source,omitempty"`
+}
+
+type Redis struct {
+	Addr     string `yaml:"addr" json:"addr,omitempty"`
+	DB       int    `yaml:"db" json:"db,omitempty"`
+	Username string `yaml:"username" json:"username,omitempty"`
+	Password string `yaml:"password" json:"password,omitempty"`
 }
 
 type KafkaBasic struct {

publisher/pkg/impl/tiup/publisher.go

@@ -19,11 +19,11 @@ type Publisher struct {
 	mirrorURL      string
 	larkWebhookURL string
 	logger         zerolog.Logger
-	redisClient    *redis.Client
+	redisClient    redis.Cmdable
 }
 
-func NewPublisher(mirrorURL, larkWebhookURL string, logger *zerolog.Logger) (*Publisher, error) {
-	handler := Publisher{mirrorURL: mirrorURL, larkWebhookURL: larkWebhookURL}
+func NewPublisher(mirrorURL, larkWebhookURL string, logger *zerolog.Logger, redisClient redis.Cmdable) (*Publisher, error) {
+	handler := Publisher{mirrorURL: mirrorURL, larkWebhookURL: larkWebhookURL, redisClient: redisClient}
 	if logger == nil {
 		handler.logger = zerolog.New(os.Stderr).With().Timestamp().Logger()
 	} else {
@@ -42,7 +42,7 @@ func (p *Publisher) Handle(event cloudevents.Event) cloudevents.Result {
 	if !slices.Contains(p.SupportEventTypes(), event.Type()) {
 		return cloudevents.ResultNACK
 	}
-	p.redisClient.Set(context.Background(), event.ID(), PublishStateProcessing, redis.KeepTTL)
+	p.redisClient.SetXX(context.Background(), event.ID(), PublishStateProcessing, redis.KeepTTL)
 
 	data := new(PublishRequest)
 	if err := event.DataAs(&data); err != nil {
@@ -52,9 +52,9 @@ func (p *Publisher) Handle(event cloudevents.Event) cloudevents.Result {
 	result := p.handleImpl(data)
 	switch {
 	case cloudevents.IsACK(result):
-		p.redisClient.Set(context.Background(), event.ID(), PublishStateSuccess, redis.KeepTTL)
+		p.redisClient.SetXX(context.Background(), event.ID(), PublishStateSuccess, redis.KeepTTL)
 	default:
-		p.redisClient.Set(context.Background(), event.ID(), PublishStateFailed, redis.KeepTTL)
+		p.redisClient.SetXX(context.Background(), event.ID(), PublishStateFailed, redis.KeepTTL)
 		p.notifyLark(&data.Publish, result)
 	}
 

publisher/pkg/impl/tiup/service.go

@@ -19,13 +19,13 @@ import (
 type tiupsrvc struct {
 	logger      *zerolog.Logger
 	kafkaWriter *kafka.Writer
-	redisClient *redis.Client
+	redisClient redis.Cmdable
 	eventSource string
 	stateTTL    time.Duration
 }
 
 // NewTiup returns the tiup service implementation.
-func NewTiup(logger *zerolog.Logger, kafkaWriter *kafka.Writer, redisClient *redis.Client, eventSrc string) gentiup.Service {
+func NewTiup(logger *zerolog.Logger, kafkaWriter *kafka.Writer, redisClient redis.Cmdable, eventSrc string) gentiup.Service {
 	return &tiupsrvc{
 		logger:      logger,
 		kafkaWriter: kafkaWriter,
@@ -74,7 +74,7 @@ func (s *tiupsrvc) RequestToPublish(ctx context.Context, p *gentiup.RequestToPub
 
 	// 5. Init the request dealing status in redis with the request id.
 	for _, requestID := range requestIDs {
-		if err := s.redisClient.SetXX(ctx, requestID, PublishStateQueued, s.stateTTL).Err(); err != nil {
+		if err := s.redisClient.SetNX(ctx, requestID, PublishStateQueued, s.stateTTL).Err(); err != nil {
 			return nil, fmt.Errorf("failed to set initial status in Redis: %v", err)
 		}
 	}