main.go

package main

import (
	"fmt"
	"os"

	"github.com/blang/semver"
	"github.com/spf13/pflag"

	"code.storageos.net/storageos/c2-cli/apiclient"
	"code.storageos.net/storageos/c2-cli/cmd"
	"code.storageos.net/storageos/c2-cli/config"
	"code.storageos.net/storageos/c2-cli/config/environment"
	"code.storageos.net/storageos/c2-cli/config/file"
	"code.storageos.net/storageos/c2-cli/config/flags"
)

// Version is the semantic version string which has been assigned to the
// cli application.
var Version string

func main() {
	// Determine the cli app version from the embedded semver.
	// If it errors 0.0.0 is returned
	version, _ := semver.Make(Version)

	// Initialise the configuration provider stack:
	//
	// → flags first. note we init the flagset here because it needs to be
	// given to the InitCommand call (setting up global flags)
	globalFlags := pflag.NewFlagSet("storageos", pflag.ContinueOnError)

	// flags > envs > config file > default
	defaultProvider := config.NewDefaulter()
	fileProvider := file.NewProvider(defaultProvider)
	envProvider := environment.NewProvider(fileProvider)
	configProvider := flags.NewProvider(globalFlags, envProvider)

	fileProvider.SetConfigProvider(configProvider)

	client := apiclient.New()

	app := cmd.InitCommand(
		client,
		configProvider,
		globalFlags,
		version,
	)

	if err := app.Execute(); err != nil {
		// Attempt to map err to a command error.
		err = cmd.MapCommandError(err)
		// Get the appropriate exit code for the error.
		code := cmd.ExitCodeForError(err)

		fmt.Fprintf(app.OutOrStderr(), "Error: %v\n", err)

		os.Exit(code)
	}
}