code: func (c *DeleteHostCmd) Run(app subcommands.Application, args []string, env subcommands.Env) int {
  	ctx := cli.GetContext(app, c, env)
  	// TODO(smut): Validate required fields client-side.
  	client := getClient(ctx)
  	_, err := client.DeleteHost(ctx, &c.req)
  	if err != nil {
  		errors.Log(ctx, err)
  		return 1
  	}
  	return 0
  }
docs: // Run runs the command to delete a host.