[feat]return the same ID when input the same kvDoc request (#260)

pkg/model/db_schema.go

@@ -76,7 +76,7 @@ type PollingDetail struct {
 
 // UpdateKVRequest is db struct, it contains kv update request params
 type UpdateKVRequest struct {
-	ID      string `json:"id,omitempty" bson:"id,omitempty" yaml:"id,omitempty" swag:"string" validate:"uuid"`
+	ID      string `json:"id,omitempty" bson:"id,omitempty" yaml:"id,omitempty" swag:"string" validate:"min=1,max=64"`
 	Value   string `json:"value,omitempty" yaml:"value,omitempty" validate:"max=131072,value"`
 	Project string `json:"project,omitempty" yaml:"project,omitempty" validate:"min=1,max=256,commonName"`
 	Domain  string `json:"domain,omitempty" yaml:"domain,omitempty" validate:"min=1,max=256,commonName"` //redundant
@@ -87,7 +87,7 @@ type UpdateKVRequest struct {
 type GetKVRequest struct {
 	Project string `json:"project,omitempty" yaml:"project,omitempty" validate:"min=1,max=256,commonName"`
 	Domain  string `json:"domain,omitempty" yaml:"domain,omitempty" validate:"min=1,max=256,commonName"` //redundant
-	ID      string `json:"id,omitempty" bson:"id,omitempty" yaml:"id,omitempty" swag:"string" validate:"uuid"`
+	ID      string `json:"id,omitempty" bson:"id,omitempty" yaml:"id,omitempty" swag:"string" validate:"min=1,max=64"`
 }
 
 // ListKVRequest contains kv list request params

server/service/kv/kv_svc.go

@@ -19,23 +19,23 @@ package kv
 
 import (
 	"context"
+	"crypto/sha256"
 	"fmt"
+	"strings"
 	"time"
 
-	"github.com/go-chassis/cari/config"
-	"github.com/go-chassis/cari/pkg/errsvc"
-	"github.com/go-chassis/foundation/validator"
-	"github.com/go-chassis/go-chassis/v2/pkg/backends/quota"
-	"github.com/go-chassis/openlog"
-	"github.com/gofrs/uuid"
-
 	"github.com/apache/servicecomb-kie/pkg/common"
 	"github.com/apache/servicecomb-kie/pkg/concurrency"
 	"github.com/apache/servicecomb-kie/pkg/model"
 	"github.com/apache/servicecomb-kie/pkg/stringutil"
 	"github.com/apache/servicecomb-kie/server/datasource"
 	"github.com/apache/servicecomb-kie/server/pubsub"
 	"github.com/apache/servicecomb-kie/server/service/sync"
+	"github.com/go-chassis/cari/config"
+	"github.com/go-chassis/cari/pkg/errsvc"
+	"github.com/go-chassis/foundation/validator"
+	"github.com/go-chassis/go-chassis/v2/pkg/backends/quota"
+	"github.com/go-chassis/openlog"
 )
 
 var listSema = concurrency.NewSemaphore(concurrency.DefaultConcurrency)
@@ -131,11 +131,12 @@ func Create(ctx context.Context, kv *model.KVDoc) (*model.KVDoc, *errsvc.Error)
 }
 
 func completeKV(kv *model.KVDoc, revision int64) error {
-	id, err := uuid.NewV4()
-	if err != nil {
-		return err
-	}
-	kv.ID = id.String()
+	kv.ID = fmt.Sprintf("%x", sha256.Sum256([]byte(strings.Join([]string{
+		kv.Domain,
+		kv.Project,
+		kv.Key,
+		kv.LabelFormat,
+	}, "/"))))
 	kv.UpdateRevision = revision
 	kv.CreateRevision = revision
 	now := time.Now().Unix()