Tink Client Example

main.go

package main

import (
	"context"
	"encoding/json"
	"fmt"
	"io"
	"log"
	"os"

	"github.com/tinkerbell/tink/client"
	"github.com/tinkerbell/tink/protos/hardware"
	"github.com/tinkerbell/tink/protos/packet"
)

func main() {
	os.Setenv("TINKERBELL_CERT_URL", "http://192.168.8.3:42114/cert")
	os.Setenv("TINKERBELL_GRPC_AUTHORITY", "192.168.8.3:42113")

	tinkClient, err := client.TinkHardwareClient()
	if err != nil {
		log.Fatalln(err)
	}

	ctx := context.Background()

	empty := &hardware.Empty{}

	resp, err := tinkClient.All(ctx, empty)
	if err != nil {
		log.Fatalln(err)
	}

	for {
		in, err := resp.Recv()
		if err == io.EOF {
			break
		}
		if err != nil {
			log.Fatalln(err)
		}

		meta := &packet.Metadata{}

		err = json.Unmarshal([]byte(in.Metadata), meta)
		if err != nil {
			log.Fatalln(err)
		}

		reigniteHost := containsTag(meta.Instance.Tags, "reignite")
		fmt.Printf("hostname=%s,ip=%s,reignite host=%t\n", meta.Instance.Hostname, meta.Instance.GetIps(), reigniteHost)

	}
	resp.CloseSend()
}

func containsTag(tags []string, tagToFind string) bool {
	for _, tag := range tags {
		if tag == tagToFind {
			return true
		}
	}

	return false
}