bouncer/internal/command/admin/layer/update.go

package layer

import (
	"encoding/json"
	"os"

	"forge.cadoles.com/cadoles/bouncer/internal/client"
	"forge.cadoles.com/cadoles/bouncer/internal/command/admin/apierr"
	clientFlag "forge.cadoles.com/cadoles/bouncer/internal/command/admin/flag"
	layerFlag "forge.cadoles.com/cadoles/bouncer/internal/command/admin/layer/flag"
	proxyFlag "forge.cadoles.com/cadoles/bouncer/internal/command/admin/proxy/flag"
	"forge.cadoles.com/cadoles/bouncer/internal/format"
	"forge.cadoles.com/cadoles/bouncer/internal/store"
	"github.com/pkg/errors"
	"github.com/urfave/cli/v2"
)

func UpdateCommand() *cli.Command {
	return &cli.Command{
		Name:  "update",
		Usage: "Update layer",
		Flags: layerFlag.WithLayerFlags(
			&cli.BoolFlag{
				Name:  "enabled",
				Usage: "Enable or disable proxy",
			},
			&cli.IntFlag{
				Name:  "weight",
				Usage: "Set `WEIGHT` as proxy's weight",
			},
			&cli.StringFlag{
				Name:  "options",
				Usage: "Set `OPTIONS` as proxy's options",
			},
		),
		Action: func(ctx *cli.Context) error {
			baseFlags := clientFlag.GetBaseFlags(ctx)

			token, err := clientFlag.GetToken(baseFlags)
			if err != nil {
				return errors.WithStack(apierr.Wrap(err))
			}

			proxyName, err := proxyFlag.AssertProxyName(ctx)
			if err != nil {
				return errors.WithStack(err)
			}

			layerName, err := layerFlag.AssertLayerName(ctx)
			if err != nil {
				return errors.WithStack(err)
			}

			opts := &client.UpdateLayerOptions{}

			if ctx.IsSet("options") {
				var options store.LayerOptions
				if err := json.Unmarshal([]byte(ctx.String("options")), &options); err != nil {
					return errors.Wrap(err, "could not parse options")
				}

				opts.Options = &options
			}

			if ctx.IsSet("weight") {
				weight := ctx.Int("weight")
				opts.Weight = &weight
			}

			if ctx.IsSet("enabled") {
				enabled := ctx.Bool("enabled")
				opts.Enabled = &enabled
			}

			client := client.New(baseFlags.ServerURL, client.WithToken(token))

			proxy, err := client.UpdateLayer(ctx.Context, proxyName, layerName, opts)
			if err != nil {
				return errors.WithStack(apierr.Wrap(err))
			}

			hints := layerHints(baseFlags.OutputMode)

			if err := format.Write(baseFlags.Format, os.Stdout, hints, proxy); err != nil {
				return errors.WithStack(err)
			}

			return nil
		},
	}
}