extracts service for external IP finding.

content/docker-entrypoint.sh

@@ -1,4 +1,5 @@
 UNLOCK_ACCOUNTS=""
+UNLOCK_ARGS=""
 if [ -n "$UNLOCK_START_INDEX" ]; then
     INDEX=0
     END_INDEX=$(($UNLOCK_START_INDEX + $UNLOCK_NUMBER))
@@ -18,8 +19,18 @@ fi
 echo "Starting geth..."
 
 PUBLIC_IP_ARGS=""
-if [[ "${NAT_PUBLIC_IP_AUTO}" == "true" ]]; then
-  PUBLIC_IP_ARGS=--nat=extip:$(curl https://ipinfo.io/ip)
+if [[ -n "${NAT_PUBLIC_IP_AUTO}" ]]; then
+  # Run for 60 seconds if fail
+  WAIT=60
+  SECONDS=0
+  SLEEP=5
+  while (( SECONDS < WAIT )); do
+    PUBLIC_IP_ARGS=--nat=extip:$(curl -s -f -m 5 "${NAT_PUBLIC_IP_AUTO}")
+    # Check if exit code is 0 and returned value is not empty
+    [[ $? -eq 0 && -n "${PUBLIC_IP_ARGS}" ]] && { echo "Public: Set extip: ${PUBLIC_IP_ARGS}"; break; } || { echo "Can't get Public IP - Retry in $SLEEP seconds / $((WAIT - SECONDS))"; }
+    # Sleep and check again
+    sleep $SLEEP
+  done
 fi
 
 if [ -n "$ENABLE_MINER" ]; then