From 45d15cb8ee83886471e2e74c9cb4fdbc30618a7b Mon Sep 17 00:00:00 2001
From: Cory Schwartz <cory@protocol.ai>
Date: Mon, 23 May 2022 09:29:11 -0700
Subject: [PATCH] handle error during liveness check

---
 node/health.go | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/node/health.go b/node/health.go
index a92997a61d6..99c3e03ae5a 100644
--- a/node/health.go
+++ b/node/health.go
@@ -6,9 +6,12 @@ import (
 	"time"
 
 	lapi "github.com/filecoin-project/lotus/api"
+	logging "github.com/ipfs/go-log/v2"
 	"github.com/libp2p/go-libp2p-core/network"
 )
 
+var healthlog = logging.Logger("healthcheck")
+
 type HealthHandler struct {
 	healthy bool
 }
@@ -36,7 +39,9 @@ func NewLiveHandler(api lapi.FullNode) *HealthHandler {
 		minutely := time.NewTicker(time.Minute)
 		headCh, err := api.ChainNotify(ctx)
 		if err != nil {
-			//TODO
+			healthlog.Warnf("failed to instantiate chain notify channel; liveliness cannot be determined. %s", err)
+			h.SetHealthy(false)
+			return
 		}
 		for {
 			select {