[tmpnet] Move WaitForHealthy from a function to a tmpnet.Node method

tests/e2e/faultinjection/duplicate_node_id.go

@@ -44,7 +44,7 @@ var _ = ginkgo.Describe("Duplicate node handling", func() {
 		_ = e2e.AddEphemeralNode(tc, network, node2)
 
 		tc.By("checking that the second new node fails to become healthy before timeout")
-		err := tmpnet.WaitForHealthy(tc.DefaultContext(), node2)
+		err := node2.WaitForHealthy(tc.DefaultContext())
 		require.ErrorIs(err, context.DeadlineExceeded)
 
 		tc.By("stopping the first new node")

tests/fixture/e2e/helpers.go

@@ -154,7 +154,7 @@ func WaitForHealthy(t require.TestingT, node *tmpnet.Node) {
 	// Need to use explicit context (vs DefaultContext()) to support use with DeferCleanup
 	ctx, cancel := context.WithTimeout(context.Background(), DefaultTimeout)
 	defer cancel()
-	require.NoError(t, tmpnet.WaitForHealthy(ctx, node))
+	require.NoError(t, node.WaitForHealthy(ctx))
 }
 
 // Sends an eth transaction and waits for the transaction receipt from the
@@ -248,7 +248,7 @@ func CheckBootstrapIsPossible(tc tests.TestContext, network *tmpnet.Network) *tm
 	})
 
 	// Check that the node becomes healthy within timeout
-	require.NoError(tmpnet.WaitForHealthy(tc.DefaultContext(), node))
+	require.NoError(node.WaitForHealthy(tc.DefaultContext()))
 
 	// Ensure that the primary validators are still healthy
 	for _, node := range network.Nodes {

tests/fixture/tmpnet/network.go

@@ -507,7 +507,7 @@ func (n *Network) RestartNode(ctx context.Context, node *Node) error {
 	n.log.Info("waiting for node to report healthy",
 		zap.Stringer("nodeID", node.NodeID),
 	)
-	return WaitForHealthy(ctx, node)
+	return node.WaitForHealthy(ctx)
 }
 
 // Stops all nodes in the network.

tests/fixture/tmpnet/node.go

@@ -6,6 +6,7 @@ package tmpnet
 import (
 	"context"
 	"encoding/base64"
+	"errors"
 	"fmt"
 	"io"
 	"net"
@@ -14,6 +15,8 @@ import (
 	"strings"
 	"time"
 
+	"go.uber.org/zap"
+
 	"github.com/ava-labs/avalanchego/config"
 	"github.com/ava-labs/avalanchego/ids"
 	"github.com/ava-labs/avalanchego/staking"
@@ -335,3 +338,34 @@ func (n *Node) SaveAPIPort() error {
 	n.Flags[config.HTTPPortKey] = port
 	return nil
 }
+
+// WaitForHealthy blocks until node health is true or an error (including context timeout) is observed.
+func (n *Node) WaitForHealthy(ctx context.Context) error {
+	if _, ok := ctx.Deadline(); !ok {
+		return fmt.Errorf("unable to wait for health for node %q with a context without a deadline", n.NodeID)
+	}
+	ticker := time.NewTicker(DefaultNodeTickerInterval)
+	defer ticker.Stop()
+
+	for {
+		healthy, err := n.IsHealthy(ctx)
+		switch {
+		case errors.Is(err, ErrUnrecoverableNodeHealthCheck):
+			return fmt.Errorf("%w for node %q", err, n.NodeID)
+		case err != nil:
+			n.network.log.Verbo("failed to query node health",
+				zap.Stringer("nodeID", n.NodeID),
+				zap.Error(err),
+			)
+			continue
+		case healthy:
+			return nil
+		}
+
+		select {
+		case <-ctx.Done():
+			return fmt.Errorf("failed to wait for health of node %q before timeout: %w", n.NodeID, ctx.Err())
+		case <-ticker.C:
+		}
+	}
+}

tests/fixture/tmpnet/utils.go

@@ -47,35 +47,6 @@ func CheckNodeHealth(ctx context.Context, uri string) (*health.APIReply, error)
 	return nil, fmt.Errorf("%w: %w", ErrUnrecoverableNodeHealthCheck, err)
 }
 
-// WaitForHealthy blocks until Node.IsHealthy returns true or an error (including context timeout) is observed.
-func WaitForHealthy(ctx context.Context, node *Node) error {
-	if _, ok := ctx.Deadline(); !ok {
-		return fmt.Errorf("unable to wait for health for node %q with a context without a deadline", node.NodeID)
-	}
-	ticker := time.NewTicker(DefaultNodeTickerInterval)
-	defer ticker.Stop()
-
-	for {
-		healthy, err := node.IsHealthy(ctx)
-		switch {
-		case errors.Is(err, ErrUnrecoverableNodeHealthCheck):
-			return fmt.Errorf("%w for node %q", err, node.NodeID)
-		case err != nil:
-			// Error is recoverable
-			// TODO(marun) Log the error to aid in troubleshooting once a logger is available
-			continue
-		case healthy:
-			return nil
-		}
-
-		select {
-		case <-ctx.Done():
-			return fmt.Errorf("failed to wait for health of node %q before timeout: %w", node.NodeID, ctx.Err())
-		case <-ticker.C:
-		}
-	}
-}
-
 // NodeURI associates a node ID with its API URI.
 type NodeURI struct {
 	NodeID ids.NodeID