code: func (c *GetDatacentersCmd) Run(app subcommands.Application, args []string, env subcommands.Env) int {
  	ctx := cli.GetContext(app, c, env)
  	client := getClient(ctx)
  	resp, err := client.ListDatacenters(ctx, &c.req)
  	if err != nil {
  		errors.Log(ctx, err)
  		return 1
  	}
  	printDatacenters(c.f.tsv, resp.Datacenters...)
  	return 0
  }
docs: // Run runs the command to get datacenters.