feat: restful phase two (#29728)

issue: #29732

Signed-off-by: PowderLi <min.li@zilliz.com>

internal/distributed/proxy/httpserver/constant.go

@@ -1,5 +1,45 @@
 package httpserver
 
+import "time"
+
+// v2
+const (
+	// --- category ---
+	CollectionCategory = "/collections/"
+	EntityCategory     = "/entities/"
+	PartitionCategory  = "/partitions/"
+	UserCategory       = "/users/"
+	RoleCategory       = "/roles/"
+	IndexCategory      = "/indexes/"
+	AliasCategory      = "/aliases/"
+	JobCategory        = "/jobs/"
+
+	ListAction      = "list"
+	HasAction       = "has"
+	DescribeAction  = "describe"
+	CreateAction    = "create"
+	DropAction      = "drop"
+	StatsAction     = "get_stats"
+	LoadStateAction = "get_load_state"
+	RenameAction    = "rename"
+	LoadAction      = "load"
+	ReleaseAction   = "release"
+	QueryAction     = "query"
+	GetAction       = "get"
+	DeleteAction    = "delete"
+	InsertAction    = "insert"
+	UpsertAction    = "upsert"
+	SearchAction    = "search"
+
+	UpdatePasswordAction  = "update_password"
+	GrantRoleAction       = "grant_role"
+	RevokeRoleAction      = "revoke_role"
+	GrantPrivilegeAction  = "grant_privilege"
+	RevokePrivilegeAction = "revoke_privilege"
+	AlterAction           = "alter"
+	GetProgressAction     = "get_progress"
+)
+
 const (
 	ContextUsername               = "username"
 	VectorCollectionsPath         = "/vector/collections"
@@ -15,19 +55,36 @@ const (
 
 	ShardNumDefault = 1
 
+	PrimaryFieldName = "id"
+	VectorFieldName  = "vector"
+
 	EnableDynamic = true
 	EnableAutoID  = true
 	DisableAutoID = false
 
 	HTTPCollectionName       = "collectionName"
 	HTTPDbName               = "dbName"
+	HTTPPartitionName        = "partitionName"
+	HTTPPartitionNames       = "partitionNames"
+	HTTPUserName             = "userName"
+	HTTPRoleName             = "roleName"
+	HTTPIndexName            = "indexName"
+	HTTPIndexField           = "fieldName"
+	HTTPAliasName            = "aliasName"
 	DefaultDbName            = "default"
 	DefaultIndexName         = "vector_idx"
+	DefaultAliasName         = "the_alias"
 	DefaultOutputFields      = "*"
 	HTTPHeaderAllowInt64     = "Accept-Type-Allow-Int64"
+	HTTPHeaderRequestTimeout = "Request-Timeout"
+	HTTPDefaultTimeout       = 30 * time.Second
 	HTTPReturnCode           = "code"
 	HTTPReturnMessage        = "message"
 	HTTPReturnData           = "data"
+	HTTPReturnLoadState      = "loadState"
+	HTTPReturnLoadProgress   = "loadProgress"
+
+	HTTPReturnHas = "has"
 
 	HTTPReturnFieldName       = "name"
 	HTTPReturnFieldType       = "type"
@@ -35,12 +92,24 @@ const (
 	HTTPReturnFieldAutoID     = "autoId"
 	HTTPReturnDescription     = "description"
 
-	HTTPReturnIndexName        = "indexName"
-	HTTPReturnIndexField       = "fieldName"
 	HTTPReturnIndexMetricsType = "metricType"
+	HTTPReturnIndexType        = "indexType"
+	HTTPReturnIndexTotalRows   = "totalRows"
+	HTTPReturnIndexPendingRows = "pendingRows"
+	HTTPReturnIndexIndexedRows = "indexedRows"
+	HTTPReturnIndexState       = "indexState"
+	HTTPReturnIndexFailReason  = "failReason"
 
 	HTTPReturnDistance = "distance"
 
+	HTTPReturnRowCount = "rowCount"
+
+	HTTPReturnObjectType = "objectType"
+	HTTPReturnObjectName = "objectName"
+	HTTPReturnPrivilege  = "privilege"
+	HTTPReturnGrantor    = "grantor"
+	HTTPReturnDbName     = "dbName"
+
 	DefaultMetricType       = "L2"
 	DefaultPrimaryFieldName = "id"
 	DefaultVectorFieldName  = "vector"

internal/distributed/proxy/httpserver/request_v2.go

@@ -0,0 +1,285 @@
+package httpserver
+
+import (
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+
+	"github.com/milvus-io/milvus-proto/go-api/v2/commonpb"
+)
+
+type DatabaseReq struct {
+	DbName string `json:"dbName"`
+}
+
+func (req *DatabaseReq) GetDbName() string { return req.DbName }
+
+type CollectionNameReq struct {
+	DbName         string   `json:"dbName"`
+	CollectionName string   `json:"collectionName" binding:"required"`
+	PartitionNames []string `json:"partitionNames"`
+}
+
+func (req *CollectionNameReq) GetDbName() string {
+	return req.DbName
+}
+
+func (req *CollectionNameReq) GetCollectionName() string {
+	return req.CollectionName
+}
+
+func (req *CollectionNameReq) GetPartitionNames() []string {
+	return req.PartitionNames
+}
+
+type RenameCollectionReq struct {
+	DbName            string `json:"dbName"`
+	CollectionName    string `json:"collectionName" binding:"required"`
+	NewCollectionName string `json:"newCollectionName" binding:"required"`
+	NewDbName         string `json:"newDbName"`
+}
+
+func (req *RenameCollectionReq) GetDbName() string { return req.DbName }
+
+type PartitionReq struct {
+	// CollectionNameReq
+	DbName         string `json:"dbName"`
+	CollectionName string `json:"collectionName" binding:"required"`
+	PartitionName  string `json:"partitionName" binding:"required"`
+}
+
+func (req *PartitionReq) GetDbName() string         { return req.DbName }
+func (req *PartitionReq) GetCollectionName() string { return req.CollectionName }
+func (req *PartitionReq) GetPartitionName() string  { return req.PartitionName }
+
+type QueryReqV2 struct {
+	DbName         string   `json:"dbName"`
+	CollectionName string   `json:"collectionName" binding:"required"`
+	PartitionNames []string `json:"partitionNames"`
+	OutputFields   []string `json:"outputFields"`
+	Filter         string   `json:"filter" binding:"required"`
+	Limit          int32    `json:"limit"`
+	Offset         int32    `json:"offset"`
+}
+
+func (req *QueryReqV2) GetDbName() string { return req.DbName }
+
+type CollectionIDOutputReq struct {
+	DbName         string      `json:"dbName"`
+	CollectionName string      `json:"collectionName" binding:"required"`
+	PartitionName  string      `json:"partitionName"`
+	PartitionNames []string    `json:"partitionNames"`
+	OutputFields   []string    `json:"outputFields"`
+	ID             interface{} `json:"id" binding:"required"`
+}
+
+func (req *CollectionIDOutputReq) GetDbName() string { return req.DbName }
+
+type CollectionIDFilterReq struct {
+	DbName         string      `json:"dbName"`
+	CollectionName string      `json:"collectionName" binding:"required"`
+	PartitionName  string      `json:"partitionName"`
+	ID             interface{} `json:"id"`
+	Filter         string      `json:"filter"`
+}
+
+func (req *CollectionIDFilterReq) GetDbName() string { return req.DbName }
+
+type CollectionDataReq struct {
+	DbName         string                   `json:"dbName"`
+	CollectionName string                   `json:"collectionName" binding:"required"`
+	PartitionName  string                   `json:"partitionName"`
+	Data           []map[string]interface{} `json:"data" binding:"required"`
+}
+
+func (req *CollectionDataReq) GetDbName() string { return req.DbName }
+
+type SearchReqV2 struct {
+	DbName         string             `json:"dbName"`
+	CollectionName string             `json:"collectionName" binding:"required"`
+	PartitionNames []string           `json:"partitionNames"`
+	Filter         string             `json:"filter"`
+	Limit          int32              `json:"limit"`
+	Offset         int32              `json:"offset"`
+	OutputFields   []string           `json:"outputFields"`
+	Vector         []float32          `json:"vector"`
+	Params         map[string]float64 `json:"params"`
+}
+
+func (req *SearchReqV2) GetDbName() string { return req.DbName }
+
+type ReturnErrMsg struct {
+	Code    int32  `json:"code"`
+	Message string `json:"message"`
+}
+
+type PartitionsReq struct {
+	// CollectionNameReq
+	DbName         string   `json:"dbName"`
+	CollectionName string   `json:"collectionName" binding:"required"`
+	PartitionNames []string `json:"partitionNames" binding:"required"`
+}
+
+func (req *PartitionsReq) GetDbName() string { return req.DbName }
+
+type UserReq struct {
+	UserName string `json:"userName"`
+}
+
+func (req *UserReq) GetUserName() string { return req.UserName }
+
+type UserNameGetter interface {
+	GetUserName() string
+}
+type RoleNameGetter interface {
+	GetRoleName() string
+}
+type IndexNameGetter interface {
+	GetIndexName() string
+}
+type AliasNameGetter interface {
+	GetAliasName() string
+}
+
+type PasswordReq struct {
+	UserName string `json:"userName"`
+	Password string `json:"password" binding:"required"`
+}
+
+type NewPasswordReq struct {
+	UserName    string `json:"userName"`
+	Password    string `json:"password"`
+	NewPassword string `json:"newPassword"`
+}
+
+type UserRoleReq struct {
+	UserName string `json:"userName"`
+	RoleName string `json:"roleName"`
+}
+
+type RoleReq struct {
+	RoleName string `json:"roleName"`
+	Timeout  int32  `json:"timeout"`
+}
+
+func (req *RoleReq) GetRoleName() string {
+	return req.RoleName
+}
+
+type GrantReq struct {
+	RoleName   string `json:"roleName" binding:"required"`
+	ObjectType string `json:"objectType" binding:"required"`
+	ObjectName string `json:"objectName" binding:"required"`
+	Privilege  string `json:"privilege" binding:"required"`
+	DbName     string `json:"dbName"`
+}
+
+type IndexParam struct {
+	FieldName   string                 `json:"fieldName" binding:"required"`
+	IndexName   string                 `json:"indexName" binding:"required"`
+	MetricsType string                 `json:"metricsType" binding:"required"`
+	IndexType   string                 `json:"indexType"`
+	IndexConfig map[string]interface{} `json:"indexConfig"`
+}
+
+type IndexParamReq struct {
+	DbName         string       `json:"dbName"`
+	CollectionName string       `json:"collectionName" binding:"required"`
+	IndexParams    []IndexParam `json:"indexParams" binding:"required"`
+}
+
+func (req *IndexParamReq) GetDbName() string { return req.DbName }
+
+type IndexReq struct {
+	DbName         string `json:"dbName"`
+	CollectionName string `json:"collectionName" binding:"required"`
+	IndexName      string `json:"indexName"`
+	Timeout        int32  `json:"timeout"`
+}
+
+func (req *IndexReq) GetDbName() string { return req.DbName }
+func (req *IndexReq) GetCollectionName() string {
+	return req.CollectionName
+}
+
+func (req *IndexReq) GetIndexName() string {
+	return req.IndexName
+}
+
+type FieldSchema struct {
+	FieldName         string            `json:"fieldName" binding:"required"`
+	DataType          string            `json:"dataType" binding:"required"`
+	IsPrimary         bool              `json:"isPrimary"`
+	IsPartitionKey    bool              `json:"isPartitionKey"`
+	Dim               int               `json:"dimension"`
+	MaxLength         int               `json:"maxLength"`
+	MaxCapacity       int               `json:"maxCapacity"`
+	ElementTypeParams map[string]string `json:"elementTypeParams" binding:"required"`
+}
+
+type CollectionSchema struct {
+	Fields             []FieldSchema `json:"fields"`
+	AutoId             bool          `json:"autoID"`
+	EnableDynamicField bool          `json:"enableDynamicField"`
+}
+
+type CollectionReq struct {
+	DbName         string           `json:"dbName"`
+	CollectionName string           `json:"collectionName" binding:"required"`
+	Dimension      int32            `json:"dimension"`
+	MetricsType    string           `json:"metricsType"`
+	Schema         CollectionSchema `json:"schema"`
+	IndexParams    []IndexParam     `json:"indexParams"`
+}
+
+func (req *CollectionReq) GetDbName() string { return req.DbName }
+
+type AliasReq struct {
+	DbName    string `json:"dbName"`
+	AliasName string `json:"aliasName" binding:"required"`
+}
+
+func (req *AliasReq) GetAliasName() string {
+	return req.AliasName
+}
+
+type AliasCollectionReq struct {
+	DbName         string `json:"dbName"`
+	CollectionName string `json:"collectionName" binding:"required"`
+	AliasName      string `json:"aliasName" binding:"required"`
+}
+
+func (req *AliasCollectionReq) GetDbName() string { return req.DbName }
+
+func (req *AliasCollectionReq) GetCollectionName() string {
+	return req.CollectionName
+}
+
+func (req *AliasCollectionReq) GetAliasName() string {
+	return req.AliasName
+}
+
+func wrapperReturnHas(has bool) gin.H {
+	return gin.H{HTTPReturnCode: http.StatusOK, HTTPReturnData: gin.H{HTTPReturnHas: has}}
+}
+
+func wrapperReturnList(names []string) gin.H {
+	if names == nil {
+		return gin.H{HTTPReturnCode: http.StatusOK, HTTPReturnData: []string{}}
+	}
+	return gin.H{HTTPReturnCode: http.StatusOK, HTTPReturnData: names}
+}
+
+func wrapperReturnRowCount(pairs []*commonpb.KeyValuePair) gin.H {
+	rowCount := "0"
+	for _, keyValue := range pairs {
+		if keyValue.Key == "row_count" {
+			rowCount = keyValue.GetValue()
+		}
+	}
+	return gin.H{HTTPReturnCode: http.StatusOK, HTTPReturnData: gin.H{HTTPReturnRowCount: rowCount}}
+}
+
+func wrapperReturnDefault() gin.H {
+	return gin.H{HTTPReturnCode: http.StatusOK, HTTPReturnData: gin.H{}}
+}

internal/distributed/proxy/httpserver/timeout_middleware.go

@@ -0,0 +1,199 @@
+package httpserver
+
+import (
+	"bytes"
+	"fmt"
+	"net/http"
+	"strconv"
+	"sync"
+	"time"
+
+	"github.com/gin-gonic/gin"
+)
+
+func defaultResponse(c *gin.Context) {
+	c.String(http.StatusRequestTimeout, "timeout")
+}
+
+// BufferPool represents a pool of buffers.
+type BufferPool struct {
+	pool sync.Pool
+}
+
+// Get returns a buffer from the buffer pool.
+// If the pool is empty, a new buffer is created and returned.
+func (p *BufferPool) Get() *bytes.Buffer {
+	buf := p.pool.Get()
+	if buf == nil {
+		return &bytes.Buffer{}
+	}
+	return buf.(*bytes.Buffer)
+}
+
+// Put adds a buffer back to the pool.
+func (p *BufferPool) Put(buf *bytes.Buffer) {
+	p.pool.Put(buf)
+}
+
+// Timeout struct
+type Timeout struct {
+	timeout  time.Duration
+	handler  gin.HandlerFunc
+	response gin.HandlerFunc
+}
+
+// Writer is a writer with memory buffer
+type Writer struct {
+	gin.ResponseWriter
+	body         *bytes.Buffer
+	headers      http.Header
+	mu           sync.Mutex
+	timeout      bool
+	wroteHeaders bool
+	code         int
+}
+
+// NewWriter will return a timeout.Writer pointer
+func NewWriter(w gin.ResponseWriter, buf *bytes.Buffer) *Writer {
+	return &Writer{ResponseWriter: w, body: buf, headers: make(http.Header)}
+}
+
+// Write will write data to response body
+func (w *Writer) Write(data []byte) (int, error) {
+	if w.timeout || w.body == nil {
+		return 0, nil
+	}
+
+	w.mu.Lock()
+	defer w.mu.Unlock()
+
+	return w.body.Write(data)
+}
+
+// WriteHeader sends an HTTP response header with the provided status code.
+// If the response writer has already written headers or if a timeout has occurred,
+// this method does nothing.
+func (w *Writer) WriteHeader(code int) {
+	if w.timeout || w.wroteHeaders {
+		return
+	}
+
+	// gin is using -1 to skip writing the status code
+	// see https://github.com/gin-gonic/gin/blob/a0acf1df2814fcd828cb2d7128f2f4e2136d3fac/response_writer.go#L61
+	if code == -1 {
+		return
+	}
+
+	checkWriteHeaderCode(code)
+
+	w.mu.Lock()
+	defer w.mu.Unlock()
+
+	w.writeHeader(code)
+	w.ResponseWriter.WriteHeader(code)
+}
+
+func (w *Writer) writeHeader(code int) {
+	w.wroteHeaders = true
+	w.code = code
+}
+
+// Header will get response headers
+func (w *Writer) Header() http.Header {
+	return w.headers
+}
+
+// WriteString will write string to response body
+func (w *Writer) WriteString(s string) (int, error) {
+	return w.Write([]byte(s))
+}
+
+// FreeBuffer will release buffer pointer
+func (w *Writer) FreeBuffer() {
+	// if not reset body,old bytes will put in bufPool
+	w.body.Reset()
+	w.body = nil
+}
+
+// Status we must override Status func here,
+// or the http status code returned by gin.Context.Writer.Status()
+// will always be 200 in other custom gin middlewares.
+func (w *Writer) Status() int {
+	if w.code == 0 || w.timeout {
+		return w.ResponseWriter.Status()
+	}
+	return w.code
+}
+
+func checkWriteHeaderCode(code int) {
+	if code < 100 || code > 999 {
+		panic(fmt.Sprintf("invalid http status code: %d", code))
+	}
+}
+
+func timeoutMiddleware(handler gin.HandlerFunc) gin.HandlerFunc {
+	t := &Timeout{
+		timeout:  HTTPDefaultTimeout,
+		handler:  handler,
+		response: defaultResponse,
+	}
+	bufPool := &BufferPool{}
+	return func(c *gin.Context) {
+		timeoutSecond, err := strconv.ParseInt(c.Request.Header.Get(HTTPHeaderRequestTimeout), 10, 64)
+		if err == nil {
+			t.timeout = time.Duration(timeoutSecond) * time.Second
+		}
+		finish := make(chan struct{}, 1)
+		panicChan := make(chan interface{}, 1)
+
+		w := c.Writer
+		buffer := bufPool.Get()
+		tw := NewWriter(w, buffer)
+		c.Writer = tw
+		buffer.Reset()
+
+		go func() {
+			defer func() {
+				if p := recover(); p != nil {
+					panicChan <- p
+				}
+			}()
+			t.handler(c)
+			finish <- struct{}{}
+		}()
+
+		select {
+		case p := <-panicChan:
+			tw.FreeBuffer()
+			c.Writer = w
+			panic(p)
+
+		case <-finish:
+			c.Next()
+			tw.mu.Lock()
+			defer tw.mu.Unlock()
+			dst := tw.ResponseWriter.Header()
+			for k, vv := range tw.Header() {
+				dst[k] = vv
+			}
+
+			if _, err := tw.ResponseWriter.Write(buffer.Bytes()); err != nil {
+				panic(err)
+			}
+			tw.FreeBuffer()
+			bufPool.Put(buffer)
+
+		case <-time.After(t.timeout):
+			c.Abort()
+			tw.mu.Lock()
+			defer tw.mu.Unlock()
+			tw.timeout = true
+			tw.FreeBuffer()
+			bufPool.Put(buffer)
+
+			c.Writer = w
+			t.response(c)
+			c.Writer = tw
+		}
+	}
+}

internal/distributed/proxy/httpserver/utils.go

@@ -162,8 +162,8 @@ func printIndexes(indexes []*milvuspb.IndexDescription) []gin.H {
 	var res []gin.H
 	for _, index := range indexes {
 		res = append(res, gin.H{
-			HTTPReturnIndexName:        index.IndexName,
+			HTTPIndexName:              index.IndexName,
-			HTTPReturnIndexField:       index.FieldName,
+			HTTPIndexField:             index.FieldName,
 			HTTPReturnIndexMetricsType: getMetricType(index.Params),
 		})
 	}

internal/distributed/proxy/httpserver/utils_test.go

@@ -292,8 +292,8 @@ func TestPrintCollectionDetails(t *testing.T) {
 	}, printFields(coll.Fields))
 	assert.Equal(t, []gin.H{
 		{
-			HTTPReturnIndexName:        DefaultIndexName,
+			HTTPIndexName:              DefaultIndexName,
-			HTTPReturnIndexField:       FieldBookIntro,
+			HTTPIndexField:             FieldBookIntro,
 			HTTPReturnIndexMetricsType: DefaultMetricType,
 		},
 	}, printIndexes(indexes))

internal/distributed/proxy/service.go

@@ -202,6 +202,8 @@ func (s *Server) startHTTPServer(errChan chan error) {
 	}
 	app := ginHandler.Group("/v1")
 	httpserver.NewHandlersV1(s.proxy).RegisterRoutesToV1(app)
+	appV2 := ginHandler.Group("/v2/vectordb")
+	httpserver.NewHandlersV2(s.proxy).RegisterRoutesToV2(appV2)
 	s.httpServer = &http.Server{Handler: ginHandler, ReadHeaderTimeout: time.Second}
 	errChan <- nil
 	if err := s.httpServer.Serve(s.httpListener); err != nil && err != cmux.ErrServerClosed {

internal/proxy/util.go

@@ -904,10 +904,13 @@ func GetCurDBNameFromContextOrDefault(ctx context.Context) string {
 }
 
 func NewContextWithMetadata(ctx context.Context, username string, dbName string) context.Context {
+	dbKey := strings.ToLower(util.HeaderDBName)
+	if username == "" {
+		return contextutil.AppendToIncomingContext(ctx, dbKey, dbName)
+	}
 	originValue := fmt.Sprintf("%s%s%s", username, util.CredentialSeperator, username)
 	authKey := strings.ToLower(util.HeaderAuthorize)
 	authValue := crypto.Base64Encode(originValue)
-	dbKey := strings.ToLower(util.HeaderDBName)
 	return contextutil.AppendToIncomingContext(ctx, authKey, authValue, dbKey, dbName)
 }