From dca8a2771923f1d26031fef55147c1c4c1cf39a9 Mon Sep 17 00:00:00 2001
From: lguohan <lguohan@gmail.com>
Date: Tue, 31 Mar 2020 15:00:48 -0700
Subject: [PATCH] [docker-syncd-vs]: add support for vs syncd docker auto
 restart (#4344)

Signed-off-by: Guohan Lu <lguohan@gmail.com>
---
 platform/vs/docker-syncd-vs/Dockerfile.j2      | 2 ++
 platform/vs/docker-syncd-vs/critical_processes | 1 +
 platform/vs/docker-syncd-vs/supervisord.conf   | 8 +++++++-
 3 files changed, 10 insertions(+), 1 deletion(-)
 create mode 100644 platform/vs/docker-syncd-vs/critical_processes

diff --git a/platform/vs/docker-syncd-vs/Dockerfile.j2 b/platform/vs/docker-syncd-vs/Dockerfile.j2
index 070d8b984f4b..25d82499edf1 100644
--- a/platform/vs/docker-syncd-vs/Dockerfile.j2
+++ b/platform/vs/docker-syncd-vs/Dockerfile.j2
@@ -24,6 +24,8 @@ debs/{{ deb }}{{' '}}
 COPY ["start.sh", "/usr/bin/"]
 
 COPY ["supervisord.conf", "/etc/supervisor/conf.d/"]
+COPY ["files/supervisor-proc-exit-listener", "/usr/bin"]
+COPY ["critical_processes", "/etc/supervisor/"]
 
 ## Clean up
 RUN apt-get clean -y; apt-get autoclean -y; apt-get autoremove -y
diff --git a/platform/vs/docker-syncd-vs/critical_processes b/platform/vs/docker-syncd-vs/critical_processes
new file mode 100644
index 000000000000..6082f242b872
--- /dev/null
+++ b/platform/vs/docker-syncd-vs/critical_processes
@@ -0,0 +1 @@
+syncd
diff --git a/platform/vs/docker-syncd-vs/supervisord.conf b/platform/vs/docker-syncd-vs/supervisord.conf
index 1af5d70a1d0c..0c6285d46ae0 100644
--- a/platform/vs/docker-syncd-vs/supervisord.conf
+++ b/platform/vs/docker-syncd-vs/supervisord.conf
@@ -3,6 +3,12 @@ logfile_maxbytes=1MB
 logfile_backups=2
 nodaemon=true
 
+[eventlistener:supervisor-proc-exit-listener]
+command=/usr/bin/supervisor-proc-exit-listener --container-name syncd
+events=PROCESS_STATE_EXITED
+autostart=true
+autorestart=unexpected
+
 [program:start.sh]
 command=/usr/bin/start.sh
 priority=1
@@ -15,7 +21,7 @@ stderr_logfile=syslog
 command=/usr/sbin/rsyslogd -n
 priority=2
 autostart=false
-autorestart=false
+autorestart=unexpected
 stdout_logfile=syslog
 stderr_logfile=syslog