From 1e7a4188d2890b00b4228bdc8e88961de0ba57e6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C8=98tefan=20Talpalaru?= <stefantalpalaru@yahoo.com>
Date: Sat, 2 May 2020 00:09:04 +0200
Subject: [PATCH] launch_local_testnet.sh: dump logs more often

---
 scripts/launch_local_testnet.sh | 18 ++++++++++++------
 1 file changed, 12 insertions(+), 6 deletions(-)

diff --git a/scripts/launch_local_testnet.sh b/scripts/launch_local_testnet.sh
index 773a8081b..636725c46 100755
--- a/scripts/launch_local_testnet.sh
+++ b/scripts/launch_local_testnet.sh
@@ -150,6 +150,15 @@ cleanup() {
 }
 trap 'cleanup' SIGINT SIGTERM EXIT
 
+dump_logs() {
+	LOG_LINES=20
+	for LOG in "${DATA_DIR}"/log*.txt; do
+		echo "Last ${LOG_LINES} lines of ${LOG}:"
+		tail -n ${LOG_LINES} "${LOG}"
+		echo "======"
+	done
+}
+
 PIDS=""
 NODES_WITH_VALIDATORS=${NODES_WITH_VALIDATORS:-4}
 VALIDATORS_PER_NODE=$(( $RANDOM_VALIDATORS / $NODES_WITH_VALIDATORS ))
@@ -167,6 +176,7 @@ for NUM_NODE in $(seq 0 $(( ${NUM_NODES} - 1 ))); do
 			NOW_TIMESTAMP=$(date +%s)
 			if [[ "$(( NOW_TIMESTAMP - START_TIMESTAMP ))" -ge "$BOOTSTRAP_TIMEOUT" ]]; then
 				echo "Bootstrap node failed to start in ${BOOTSTRAP_TIMEOUT} seconds. Aborting."
+				dump_logs
 				exit 1
 			fi
 		done
@@ -205,6 +215,7 @@ sleep 5
 BG_JOBS="$(jobs | wc -l)"
 if [[ "$BG_JOBS" != "$NUM_NODES" ]]; then
 	echo "$((NUM_NODES - BG_JOBS)) beacon_node instance(s) exited early. Aborting."
+	dump_logs
 	exit 1
 fi
 
@@ -218,12 +229,7 @@ else
 	done
 	if [[ "$FAILED" != "0" ]]; then
 		echo "${FAILED} child processes had non-zero exit codes (or exited early)."
-		LOG_LINES=20
-		for NUM_NODE in $(seq 0 $(( ${NUM_NODES} - 1 ))); do
-			echo "Last ${LOG_LINES} lines of ${DATA_DIR}/log${NUM_NODE}.txt:"
-			tail -n ${LOG_LINES} "${DATA_DIR}/log${NUM_NODE}.txt"
-			echo "======"
-		done
+		dump_logs
 		exit 1
 	fi
 fi