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hot_command.go
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hot_command.go
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// Copyright 2017 PingCAP, 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,
// See the License for the specific language governing permissions and
// limitations under the License.
package command
import (
"fmt"
"net/http"
"github.com/spf13/cobra"
)
const (
hotReadRegionsPrefix = "pd/api/v1/hotspot/regions/read"
hotWriteRegionsPrefix = "pd/api/v1/hotspot/regions/write"
hotStoresPrefix = "pd/api/v1/hotspot/stores"
)
// NewHotSpotCommand return a hot subcommand of rootCmd
func NewHotSpotCommand() *cobra.Command {
cmd := &cobra.Command{
Use: "hot",
Short: "show the hotspot status of the cluster",
}
cmd.AddCommand(NewHotWriteRegionCommand())
cmd.AddCommand(NewHotReadRegionCommand())
cmd.AddCommand(NewHotStoreCommand())
return cmd
}
// NewHotWriteRegionCommand return a hot regions subcommand of hotSpotCmd
func NewHotWriteRegionCommand() *cobra.Command {
cmd := &cobra.Command{
Use: "write",
Short: "show the hot write regions",
Run: showHotWriteRegionsCommandFunc,
}
return cmd
}
func showHotWriteRegionsCommandFunc(cmd *cobra.Command, args []string) {
r, err := doRequest(cmd, hotWriteRegionsPrefix, http.MethodGet)
if err != nil {
fmt.Printf("Failed to get hotspot: %s\n", err)
return
}
fmt.Println(r)
}
// NewHotReadRegionCommand return a hot read regions subcommand of hotSpotCmd
func NewHotReadRegionCommand() *cobra.Command {
cmd := &cobra.Command{
Use: "read",
Short: "show the hot read regions",
Run: showHotReadRegionsCommandFunc,
}
return cmd
}
func showHotReadRegionsCommandFunc(cmd *cobra.Command, args []string) {
r, err := doRequest(cmd, hotReadRegionsPrefix, http.MethodGet)
if err != nil {
fmt.Printf("Failed to get hotspot: %s\n", err)
return
}
fmt.Println(r)
}
// NewHotStoreCommand return a hot stores subcommand of hotSpotCmd
func NewHotStoreCommand() *cobra.Command {
cmd := &cobra.Command{
Use: "store",
Short: "show the hot stores",
Run: showHotStoresCommandFunc,
}
return cmd
}
func showHotStoresCommandFunc(cmd *cobra.Command, args []string) {
r, err := doRequest(cmd, hotStoresPrefix, http.MethodGet)
if err != nil {
fmt.Printf("Failed to get hotspot: %s\n", err)
return
}
fmt.Println(r)
}