117 lines
2.5 KiB
Go
117 lines
2.5 KiB
Go
package main
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import (
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"fmt"
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"log"
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"os"
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"github.com/urfave/cli/v2"
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)
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func main() {
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app := &cli.App{
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Name: "myapp",
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Usage: "A CLI tool with subcommands",
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Version: "0.1.0",
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Commands: []*cli.Command{
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{
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Name: "start",
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Aliases: []string{"s"},
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Usage: "Start the service",
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Flags: []cli.Flag{
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&cli.IntFlag{
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Name: "port",
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Aliases: []string{"p"},
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Value: 8080,
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Usage: "Port to listen on",
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EnvVars: []string{"PORT"},
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},
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&cli.StringFlag{
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Name: "host",
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Value: "localhost",
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Usage: "Host to bind to",
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EnvVars: []string{"HOST"},
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},
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},
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Action: func(c *cli.Context) error {
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port := c.Int("port")
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host := c.String("host")
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fmt.Printf("Starting service on %s:%d\n", host, port)
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return nil
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},
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},
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{
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Name: "stop",
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Usage: "Stop the service",
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Action: func(c *cli.Context) error {
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fmt.Println("Stopping service...")
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return nil
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},
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},
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{
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Name: "restart",
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Usage: "Restart the service",
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Action: func(c *cli.Context) error {
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fmt.Println("Restarting service...")
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return nil
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},
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},
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{
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Name: "status",
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Usage: "Check service status",
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Action: func(c *cli.Context) error {
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fmt.Println("Service is running")
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return nil
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},
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},
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{
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Name: "config",
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Usage: "Configuration management",
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Subcommands: []*cli.Command{
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{
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Name: "show",
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Usage: "Show current configuration",
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Action: func(c *cli.Context) error {
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fmt.Println("Current configuration:")
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fmt.Println(" port: 8080")
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fmt.Println(" host: localhost")
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return nil
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},
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},
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{
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Name: "set",
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Usage: "Set configuration value",
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ArgsUsage: "<key> <value>",
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Action: func(c *cli.Context) error {
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if c.NArg() < 2 {
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return fmt.Errorf("usage: config set <key> <value>")
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}
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key := c.Args().Get(0)
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value := c.Args().Get(1)
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fmt.Printf("Setting %s = %s\n", key, value)
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return nil
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},
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},
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{
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Name: "get",
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Usage: "Get configuration value",
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ArgsUsage: "<key>",
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Action: func(c *cli.Context) error {
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if c.NArg() < 1 {
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return fmt.Errorf("usage: config get <key>")
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}
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key := c.Args().Get(0)
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fmt.Printf("%s = <value>\n", key)
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return nil
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},
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},
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},
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},
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},
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}
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if err := app.Run(os.Args); err != nil {
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log.Fatal(err)
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}
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}
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