Devops
cmd and mian.go
This is an example of the cobra project
Execute the following command in the current path to compile the project,you will appear a ly executable file.
compile install
go build -o ly main.go
use
Use ly --help, you will be prompted how to use the ly command
Show Current Time. For example:
With this command, you can view current time or customize the time format.
Usage:
ly [command]
Available Commands:
completion generate the autocompletion script for the specified shell
help Help about any command
show Display the current time
version A brief description of your command
Flags:
-h, --help help for ly
example
How to use ly
ly version #显示当前ly版本
ly show #展示当前时间 2021-08-26 13:24:25
ly show parse -f "2006/01/02 15:04:05" #将把当前时间格式化成"2006/01/02 15:04:05" 2021/08/26 13:26:55
Example
Algorithm algorithm example
coroutine example
Algorithm algorithm example
NetPing
project instruction ping written in go
Ping once per minute (ping 10 packets, interval 0.5, recording delay and packet loss)
txt
Save the data in a txt file
main.go
Defines a map of type interface{}
var ipInfo = make(map[string]interface{})
ipInfo["Addr"] = pinger.Addr()
ipInfo["Ip"] = pinger.IPAddr()
ipInfo["Sent"] = pinger.PacketsSent
ipInfo["Received"] = pinger.PacketsRecv
ipInfo["Loss"] = stats.PacketLoss
ipInfo["Avg"] = stats.AvgRtt
ipInfo["Time"] = time.Now().Format("2006/01/02 15:04:05")
txt_v2
Defines a structure
type Packets struct {
Time string `json:"time"`
Addr string `json:"addr"`
Ip *net.IPAddr `json:"ip""`
Sent int `json:"sent"`
Received int `json:"received"`
Loss float64 `json:"loss"`
Avg time.Duration `json:"avg""`
}
ipInfo = Packets{
Time: time.Now().Format("2006/01/02 15:04:05"),
Addr: pinger.Addr(),
Ip: pinger.IPAddr(),
Sent: pinger.PacketsSent,
Received: pinger.PacketsRecv,
Loss: stats.PacketLoss,
Avg: stats.AvgRtt,
}
