mirror of
https://github.com/hibiken/asynq.git
synced 2024-12-27 00:02:19 +08:00
113 lines
3.2 KiB
Go
113 lines
3.2 KiB
Go
// 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"
|
|
"io"
|
|
"os"
|
|
"strings"
|
|
"text/tabwriter"
|
|
|
|
"github.com/spf13/cobra"
|
|
|
|
homedir "github.com/mitchellh/go-homedir"
|
|
"github.com/spf13/viper"
|
|
)
|
|
|
|
var cfgFile string
|
|
|
|
// Flags
|
|
var uri string
|
|
var db int
|
|
var password string
|
|
|
|
// rootCmd represents the base command when called without any subcommands
|
|
var rootCmd = &cobra.Command{
|
|
Use: "asynqmon",
|
|
Short: "A monitoring tool for asynq queues",
|
|
Long: `Asynqmon is a montoring CLI to inspect tasks and queues managed by asynq.`,
|
|
}
|
|
|
|
// Execute adds all child commands to the root command and sets flags appropriately.
|
|
// This is called by main.main(). It only needs to happen once to the rootCmd.
|
|
func Execute() {
|
|
if err := rootCmd.Execute(); err != nil {
|
|
fmt.Println(err)
|
|
os.Exit(1)
|
|
}
|
|
}
|
|
|
|
func init() {
|
|
cobra.OnInitialize(initConfig)
|
|
|
|
rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file to set flag defaut values (default is $HOME/.asynqmon.yaml)")
|
|
rootCmd.PersistentFlags().StringVarP(&uri, "uri", "u", "127.0.0.1:6379", "redis server URI")
|
|
rootCmd.PersistentFlags().IntVarP(&db, "db", "n", 0, "redis database number (default is 0)")
|
|
rootCmd.PersistentFlags().StringVarP(&password, "password", "p", "", "password to use when connecting to redis server")
|
|
viper.BindPFlag("uri", rootCmd.PersistentFlags().Lookup("uri"))
|
|
viper.BindPFlag("db", rootCmd.PersistentFlags().Lookup("db"))
|
|
viper.BindPFlag("password", rootCmd.PersistentFlags().Lookup("password"))
|
|
}
|
|
|
|
// initConfig reads in config file and ENV variables if set.
|
|
func initConfig() {
|
|
if cfgFile != "" {
|
|
// Use config file from the flag.
|
|
viper.SetConfigFile(cfgFile)
|
|
} else {
|
|
// Find home directory.
|
|
home, err := homedir.Dir()
|
|
if err != nil {
|
|
fmt.Println(err)
|
|
os.Exit(1)
|
|
}
|
|
|
|
// Search config in home directory with name ".asynqmon" (without extension).
|
|
viper.AddConfigPath(home)
|
|
viper.SetConfigName(".asynqmon")
|
|
}
|
|
|
|
viper.AutomaticEnv() // read in environment variables that match
|
|
|
|
// If a config file is found, read it in.
|
|
if err := viper.ReadInConfig(); err == nil {
|
|
fmt.Println("Using config file:", viper.ConfigFileUsed())
|
|
}
|
|
}
|
|
|
|
// printTable is a helper function to print data in table format.
|
|
//
|
|
// cols is a list of headers and printRow specifies how to print rows.
|
|
//
|
|
// Example:
|
|
// type User struct {
|
|
// Name string
|
|
// Addr string
|
|
// Age int
|
|
// }
|
|
// data := []*User{{"user1", "addr1", 24}, {"user2", "addr2", 42}, ...}
|
|
// cols := []string{"Name", "Addr", "Age"}
|
|
// printRows := func(w io.Writer, tmpl string) {
|
|
// for _, u := range data {
|
|
// fmt.Fprintf(w, tmpl, u.Name, u.Addr, u.Age)
|
|
// }
|
|
// }
|
|
// printTable(cols, printRows)
|
|
func printTable(cols []string, printRows func(w io.Writer, tmpl string)) {
|
|
format := strings.Repeat("%v\t", len(cols)) + "\n"
|
|
tw := new(tabwriter.Writer).Init(os.Stdout, 0, 8, 2, ' ', 0)
|
|
var headers []interface{}
|
|
var seps []interface{}
|
|
for _, name := range cols {
|
|
headers = append(headers, name)
|
|
seps = append(seps, strings.Repeat("-", len(name)))
|
|
}
|
|
fmt.Fprintf(tw, format, headers...)
|
|
fmt.Fprintf(tw, format, seps...)
|
|
printRows(tw, format)
|
|
tw.Flush()
|
|
}
|