Using hcloud-go to enumerate locations in a network zone and pick a random one

hcloud_network_zone.go

package main

import (
	"context"
	"fmt"
	"math/rand"
	"time"

	"github.com/hetznercloud/hcloud-go/hcloud"
)

func main() {
	client := hcloud.NewClient(
		hcloud.WithToken("super-secret"),
		hcloud.WithApplication("hcloud-go-experiment", ""),
	)
	ctx := context.Background(

	networkZone := hcloud.NetworkZoneEUCentral
	// networkZone := hcloud.NetworkZoneUSEast

	locations, err := client.Location.All(ctx)
	if err != nil {
		fmt.Printf("unable to query locations, %v\n", err)
		return
	}

	locationsInZone := []*hcloud.Location{}
	for _, location := range locations {
		fmt.Printf("got location %s\n", location.Name)

		if location.NetworkZone == networkZone {
			locationsInZone = append(locationsInZone, location)
		}
	}

	fmt.Printf("len locationsInZone %d\n", len(locationsInZone))

	rand.Seed(time.Now().UnixNano())
	randomIndex := rand.Intn(len(locationsInZone))
	randomZone := locationsInZone[randomIndex]
	fmt.Printf("randomly selected location in zone %s\n", randomZone.Name)

	var nameStr string
	nameStr = (*randomZone).Name
	fmt.Printf("type '%T', name '%s'\n", nameStr, nameStr)
}