Automatically restart server if it fails to start.

hermanzdosilovic · hermanzdosilovic · commit 65756516b331 · 2020-10-11T15:00:28.000+02:00
diff --git a/judge0.conf b/judge0.conf
@@ -21,6 +21,10 @@
 # Default: true
 JUDGE0_TELEMETRY_ENABLE=
 
+# Automatically restart Judge0 server if it fails to start.
+# Default: 10
+JUDGE0_RESTART_MAX_TRIES=
+
 # Maintenance mode is a mode in which clients cannot
 # create or delete submissions while maintenance is enabled.
 # Default: false
diff --git a/scripts/server b/scripts/server
@@ -3,9 +3,13 @@
 #
 # Usage: ./scripts/server
 #
-source ./scripts/load-config
+for i in $(seq 1 $JUDGE0_RESTART_MAX_TRIES); do
+    source ./scripts/load-config
 
-[[ -f tmp/pids/server.pid ]] && rm -f tmp/pids/server.pid
+    [[ -f tmp/pids/server.pid ]] && rm -f tmp/pids/server.pid
 
-rails db:create db:migrate db:seed
-rails s -b 0.0.0.0
+    rails db:create db:migrate db:seed
+    rails s -b 0.0.0.0
+    [[ $? -eq 0 ]] && break
+    sleep 2s
+done
