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asynq/tools/asynqmon/cmd/history.go

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2020-01-05 01:41:05 +08:00
// Copyright 2020 Kentaro Hibino. All rights reserved.
// Use of this source code is governed by a MIT license
// that can be found in the LICENSE file.
package cmd
import (
"fmt"
"os"
"strconv"
"strings"
"text/tabwriter"
"github.com/go-redis/redis/v7"
"github.com/hibiken/asynq/internal/rdb"
"github.com/spf13/cobra"
)
// historyCmd represents the history command
var historyCmd = &cobra.Command{
Use: "history [num of days]",
Short: "Shows historical aggregate data",
Long: `History (asynqmon history) will show the number of processed tasks
as well as the error rate for the last n days.
Example: asynqmon history 7 -> Shows stats from the last 7 days`,
Args: cobra.ExactArgs(1),
Run: history,
}
func init() {
rootCmd.AddCommand(historyCmd)
// Here you will define your flags and configuration settings.
// Cobra supports Persistent Flags which will work for this command
// and all subcommands, e.g.:
// historyCmd.PersistentFlags().String("foo", "", "A help for foo")
// Cobra supports local flags which will only run when this command
// is called directly, e.g.:
// historyCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
}
func history(cmd *cobra.Command, args []string) {
n, err := strconv.Atoi(args[0])
if err != nil {
fmt.Printf(`Error: Invalid argument. Argument has to be an integer.
Usage: asynqmon history [num of days]
`)
os.Exit(1)
}
if err != nil {
}
c := redis.NewClient(&redis.Options{
Addr: uri,
DB: db,
})
r := rdb.NewRDB(c)
stats, err := r.HistoricalStats(n)
if err != nil {
fmt.Println(err)
os.Exit(1)
}
printDailyStats(stats)
}
func printDailyStats(stats []*rdb.DailyStats) {
format := strings.Repeat("%v\t", 4) + "\n"
tw := new(tabwriter.Writer).Init(os.Stdout, 0, 8, 2, ' ', 0)
fmt.Fprintf(tw, format, "Date (UTC)", "Processed", "Failed", "Error Rate")
fmt.Fprintf(tw, format, "----------", "---------", "------", "----------")
for _, s := range stats {
var errrate string
if s.Processed == 0 {
errrate = "N/A"
} else {
errrate = fmt.Sprintf("%.2f%%", float64(s.Failed)/float64(s.Processed)*100)
}
fmt.Fprintf(tw, format, s.Time.Format("2006-01-02"), s.Processed, s.Failed, errrate)
}
tw.Flush()
}