Can now reconcile

clitools/pkg/node/kubelet.go

@@ -2,6 +2,11 @@ package node
 
 import (
 	"context"
+	"fmt"
+	"io"
+	"net/http"
+	"strings"
+	"time"
 
 	system "undecided.project/monok8s/pkg/system"
 )
@@ -9,3 +14,36 @@ import (
 func StartKubelet(ctx context.Context, n *NodeContext) error {
 	return system.EnsureServiceRunning(ctx, n.SystemRunner, "kubelet")
 }
+
+func waitForKubeletHealthy(ctx context.Context, timeout time.Duration) error {
+	ctx, cancel := context.WithTimeout(ctx, timeout)
+	defer cancel()
+
+	url := "http://127.0.0.1:10248/healthz"
+	client := &http.Client{
+		Timeout: 2 * time.Second,
+	}
+
+	ticker := time.NewTicker(2 * time.Second)
+	defer ticker.Stop()
+
+	for {
+		req, err := http.NewRequestWithContext(ctx, http.MethodGet, url, nil)
+		if err == nil {
+			resp, err := client.Do(req)
+			if err == nil {
+				body, _ := io.ReadAll(resp.Body)
+				resp.Body.Close()
+				if resp.StatusCode == http.StatusOK && strings.TrimSpace(string(body)) == "ok" {
+					return nil
+				}
+			}
+		}
+
+		select {
+		case <-ctx.Done():
+			return fmt.Errorf("kubelet health endpoint did not become ready: %w", ctx.Err())
+		case <-ticker.C:
+		}
+	}
+}