mirror of https://github.com/tikv/pd.git
64 lines
2.1 KiB
Go
64 lines
2.1 KiB
Go
// Copyright 2017 TiKV Project Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package api
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import (
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"net/http"
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"github.com/unrolled/render"
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"github.com/tikv/pd/pkg/statistics"
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"github.com/tikv/pd/server"
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)
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type statsHandler struct {
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svr *server.Server
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rd *render.Render
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}
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func newStatsHandler(svr *server.Server, rd *render.Render) *statsHandler {
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return &statsHandler{
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svr: svr,
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rd: rd,
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}
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}
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// GetRegionStatus gets the region statistics of a specified range.
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// @Tags stats
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// @Summary Get region statistics of a specified range.
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// @Param start_key query string true "Start key"
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// @Param end_key query string true "End key"
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// @Param count query bool false "Whether only count the number of regions"
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// @Param use_hot query bool false "Whether use hot region statistics"
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// @Param engine query string false "Engine type"
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// @Produce json
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// @Success 200 {object} statistics.RegionStats
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// @Router /stats/region [get]
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func (h *statsHandler) GetRegionStatus(w http.ResponseWriter, r *http.Request) {
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rc := getCluster(r)
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startKey, endKey := r.URL.Query().Get("start_key"), r.URL.Query().Get("end_key")
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var stats *statistics.RegionStats
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if r.URL.Query().Has("count") {
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stats = rc.GetRegionStatsCount([]byte(startKey), []byte(endKey))
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} else if r.URL.Query().Has("use_hot") {
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engine := r.URL.Query().Get("engine")
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stats = rc.GetHotRegionStatusByRange([]byte(startKey), []byte(endKey), engine)
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} else {
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stats = rc.GetRegionStatsByRange([]byte(startKey), []byte(endKey))
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}
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h.rd.JSON(w, http.StatusOK, stats)
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}
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