From ac4f6fcbc2f62d977b6976cea80253f0972d3ab8 Mon Sep 17 00:00:00 2001
From: mssonicbld <79238446+mssonicbld@users.noreply.github.com>
Date: Fri, 5 Jan 2024 04:39:16 +0800
Subject: [PATCH] [docker_image_ctl.j2]: swss docker initialization
 improvements (#17628) (#17680)

---
 files/build_templates/docker_image_ctl.j2 | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/files/build_templates/docker_image_ctl.j2 b/files/build_templates/docker_image_ctl.j2
index 3397f7a88b..2b0a752c86 100644
--- a/files/build_templates/docker_image_ctl.j2
+++ b/files/build_templates/docker_image_ctl.j2
@@ -294,6 +294,12 @@ function postStartAction()
     fi
     chgrp -f redis $REDIS_SOCK && chmod -f 0760 $REDIS_SOCK
 {%- elif docker_container_name == "swss" %}
+    # Wait until swss container state is Running
+    until [[ ($(docker inspect -f {{"'{{.State.Running}}'"}} swss$DEV) == "true") ]]; do
+        sleep 0.1
+    done
+    echo "swss container is up and running"
+
     docker exec swss$DEV rm -f /ready   # remove cruft
     if [[ "$BOOT_TYPE" == "fast" ]] && [[ -d /host/fast-reboot ]]; then
         test -e /host/fast-reboot/fdb.json && docker cp /host/fast-reboot/fdb.json swss$DEV:/
@@ -303,6 +309,9 @@ function postStartAction()
         rm -fr /host/fast-reboot
     fi
     docker exec swss$DEV touch /ready # signal swssconfig.sh to go
+    # Re-confirm that file is indeed created and log an error if not
+    docker exec swss$DEV test -f /ready && echo "File swss:/ready created" || echo "Error: File swss:/ready doesn't exist"
+
 {%- elif docker_container_name == "pmon" %}
 
     DEVPATH="/usr/share/sonic/device"