Go SDK: ライブログとステータス

package main

import (
	"context"
	"errors"
	"fmt"
	"io"
	"log"
	"os"

	"github.com/squarecloudofc/sdk-api-go/v3"
)

func main() {
	ctx, cancel := context.WithCancel(context.Background())
	defer cancel()
	c := squarecloud.New(os.Getenv("SQUARECLOUD_API_KEY"))
	appID := "abc123def456abc123def456"

	r, err := c.Apps.Realtime(ctx, appID)
	if err != nil {
		log.Fatal(err)
	}
	defer r.Close()

	for {
		ev, err := r.Next()
		if err != nil {
			if errors.Is(err, io.EOF) || ctx.Err() != nil {
				break // the stream ended, or ctx was canceled
			}
			log.Fatal(err)
		}

		switch ev.Event {
		case "logs":
			fmt.Println(ev.Stream, ev.Line) // "stdout" | "stderr"
		case "status":
			fmt.Println(ev.Status.CPU, ev.Status.RAM) // never nil: always the full, merged state
		default:
			fmt.Println(ev.Event, ev.Data) // "system", "error" or "message"
		}
	}
}