/
data_handler.go
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/
data_handler.go
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// Copyright (c) 2017-2018 Uber Technologies, Inc.
//
// 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 api
import (
"net/http"
"github.com/uber/aresdb/api/common"
"github.com/uber/aresdb/memstore"
memCom "github.com/uber/aresdb/memstore/common"
"github.com/uber/aresdb/utils"
"github.com/gorilla/mux"
)
// DataHandler handles data ingestion requests from the ingestion pipeline.
type DataHandler struct {
memStore memstore.MemStore
}
// NewDataHandler creates a new DataHandler.
func NewDataHandler(memStore memstore.MemStore) *DataHandler {
return &DataHandler{
memStore: memStore,
}
}
// Register registers http handlers.
func (handler *DataHandler) Register(router *mux.Router, wrappers ...utils.HTTPHandlerWrapper) {
router.HandleFunc("/{table}/{shard}", utils.ApplyHTTPWrappers(handler.PostData, wrappers)).Methods(http.MethodPost)
}
// PostData swagger:route POST /data/{table}/{shard} postData
// Post new data batch to a existing table shard
// Consumes:
// - application/upsert-data
//
// Responses:
// default: errorResponse
// 200: noContentResponse
func (handler *DataHandler) PostData(w http.ResponseWriter, r *http.Request) {
var postDataRequest PostDataRequest
err := common.ReadRequest(r, &postDataRequest)
if err != nil {
common.RespondWithError(w, err)
return
}
upsertBatch, err := memCom.NewUpsertBatch(postDataRequest.Body)
if err != nil {
common.RespondWithBadRequest(w, err)
return
}
err = handler.memStore.HandleIngestion(postDataRequest.TableName, postDataRequest.Shard, upsertBatch)
if err != nil {
common.RespondWithError(w, err)
return
}
common.RespondWithJSONObject(w, nil)
}