it.go

package main

import (
	"github.com/blueben82/imagetools/commands"
	"github.com/urfave/cli"
	"os"
)

func main() {
	app := cli.NewApp()

	app.Name = "imagetools"
	app.Version = "0.0.5"
	app.Usage = "A tiny helper library, written in golang, that serves some utilities that can be used to build more robust docker containers"

	app.Commands = []cli.Command{
		{
			Name:  "logs",
			Usage: "Super easy logging",
			Flags: []cli.Flag{
				cli.BoolFlag{
					Name: "debug",
				},
				cli.BoolFlag{
					Name: "info",
				},
			},
			Action: commands.Logs,
		},
		{
			Name:  "requires",
			Usage: "Validates environment variables and terminates script if they dont match your expectations. By default it expects the given env variable to be a not empty string.",
			Flags: []cli.Flag{
				cli.StringFlag{
					Name:  "validate",
					Usage: "Select one of int, float, bool, string or regex as validator",
				},
				cli.StringFlag{
					Name:  "min",
					Usage: "The minimum accepted value for int or float",
				},
				cli.StringFlag{
					Name:  "max",
					Usage: "The maximum accepted value for int or float",
				},
				cli.StringFlag{
					Name:  "pattern",
					Usage: "The regex pattern used to validate the value",
				},
				cli.StringFlag{
					Name:  "example",
					Usage: "An example value to be used in error message",
				},
			},
			Action: commands.Requires,
		},
		{
			Name:   "waits-for",
			Usage:  "Waits for an external service to become available.",
			Action: commands.WaitsFor,
		},
	}

	app.Run(os.Args)
}