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dogstatsd_stats.go
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/
dogstatsd_stats.go
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// Unless explicitly stated otherwise all files in this repository are licensed
// under the Apache License Version 2.0.
// This product includes software developed at Datadog (https://www.datadoghq.com/).
// Copyright 2018 Datadog, Inc.
package app
import (
"bytes"
"encoding/json"
"fmt"
"io/ioutil"
"os"
"github.com/ninnemana/datadog-agent/cmd/agent/common"
"github.com/ninnemana/datadog-agent/pkg/api/util"
"github.com/ninnemana/datadog-agent/pkg/config"
"github.com/ninnemana/datadog-agent/pkg/dogstatsd"
"github.com/ninnemana/datadog-agent/pkg/util/input"
"github.com/fatih/color"
"github.com/spf13/cobra"
)
var (
dsdStatsFilePath string
)
func init() {
AgentCmd.AddCommand(dogstatsdStatsCmd)
dogstatsdStatsCmd.Flags().BoolVarP(&jsonStatus, "json", "j", false, "print out raw json")
dogstatsdStatsCmd.Flags().BoolVarP(&prettyPrintJSON, "pretty-json", "p", false, "pretty print JSON")
dogstatsdStatsCmd.Flags().StringVarP(&dsdStatsFilePath, "file", "o", "", "Output the dogstatsd-stats command to a file")
}
var dogstatsdStatsCmd = &cobra.Command{
Use: "dogstatsd-stats",
Short: "Print basic statistics on the metrics processed by dogstatsd",
Long: ``,
RunE: func(cmd *cobra.Command, args []string) error {
err := common.SetupConfigWithoutSecrets(confFilePath)
if err != nil {
return fmt.Errorf("unable to set up global agent configuration: %v", err)
}
if flagNoColor {
color.NoColor = true
}
return requestDogstatsdStats()
},
}
func requestDogstatsdStats() error {
fmt.Printf("Getting the dogstatsd stats from the agent.\n\n")
var e error
var s string
c := util.GetClient(false) // FIX: get certificates right then make this true
urlstr := fmt.Sprintf("https://localhost:%v/agent/dogstatsd-stats", config.Datadog.GetInt("cmd_port"))
// Set session token
e = util.SetAuthToken()
if e != nil {
return e
}
r, e := util.DoGet(c, urlstr)
if e != nil {
var errMap = make(map[string]string)
json.Unmarshal(r, &errMap)
// If the error has been marshalled into a json object, check it and return it properly
if err, found := errMap["error"]; found {
e = fmt.Errorf(err)
}
if len(errMap["error_type"]) > 0 {
fmt.Println(e)
return nil
}
fmt.Printf("Could not reach agent: %v \nMake sure the agent is running before requesting the dogstatsd stats and contact support if you continue having issues. \n", e)
return e
}
// The rendering is done in the client so that the agent has less work to do
if prettyPrintJSON {
var prettyJSON bytes.Buffer
json.Indent(&prettyJSON, r, "", " ")
s = prettyJSON.String()
} else if jsonStatus {
s = string(r)
} else {
s, e = dogstatsd.FormatDebugStats(r)
if e != nil {
fmt.Printf("Could not format the statistics, the data must be inconsistent. You may want to try the JSON output. Contact the support if you continue having issues.\n")
return nil
}
}
if dsdStatsFilePath == "" {
fmt.Println(s)
return nil
}
// if the file is already existing, ask for a confirmation.
if _, err := os.Stat(dsdStatsFilePath); err == nil {
if !input.AskForConfirmation(fmt.Sprintf("'%s' existing, do you wan't to overwrite it? [Y/N]", dsdStatsFilePath)) {
fmt.Println("Canceling.")
return nil
}
}
if err := ioutil.WriteFile(dsdStatsFilePath, []byte(s), 0644); err != nil {
fmt.Println("Error while writing the file (is the location writable by the dd-agent user?):", err)
} else {
fmt.Println("Dogstatsd stats written in:", dsdStatsFilePath)
}
return nil
}