fix: add another loop to keep waiting til fully in standby, helps wit…

…h enteringStandby

.github/scripts/put-all-chain-nodes-on-standby.sh

@@ -19,6 +19,17 @@ do
             --instance-ids "$chain_node_instance_id" \
             --auto-scaling-group-name "$autoscaling_group_name" \
             --should-decrement-desired-capacity
+
+        while true; do
+            autoscaling_group_state=$(aws autoscaling describe-auto-scaling-instances --instance-ids "$chain_node_instance_id" | jq -r '[.AutoScalingInstances | .[].LifecycleState] | join(" ")')
+            if [ "$autoscaling_group_state" == "Standby" ]; then
+                echo "instance ($chain_node_instance_id) is now in standby state"
+                break
+            else
+                echo "instance ($chain_node_instance_id) not in standby state yet (current state: $autoscaling_group_state), waiting 10 seconds"
+                sleep 10
+            fi
+        done
         ;;
     *)
         echo "instance ($chain_node_instance_id) not in an elgible state ($autoscaling_group_state) for going on standby, skipping"