Added logging for the automatic endpoint update script

scripts/automatic_endpoint_update.sh

@@ -4,6 +4,14 @@ EMAIL=
 
 SHELL=/bin/sh
 PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
+log_file="/etc/lantern/logs/automatic_endpoint_update_logs.txt"
+current_datetime=$(date +"%Y-%m-%d %H:%M:%S")
 
 chmod +rx query-endpoint-resources.sh; ./query-endpoint-resources.sh
-docker exec lantern-back-end_endpoint_manager_1 /etc/lantern/populateEndpoints.sh || echo "Lantern failed to save endpoint information in database after endpoint resource list updates." | /usr/bin/mail -s "Automatic endpoint update and database population error." ${EMAIL}
+docker exec lantern-back-end_endpoint_manager_1 /etc/lantern/populateEndpoints.sh || {
+    echo "$current_datetime - Lantern failed to save endpoint information in database after endpoint resource list updates." >> $log_file
+    echo "Lantern failed to save endpoint information in database after endpoint resource list updates." | /usr/bin/mail -s "Automatic endpoint update and database population error." ${EMAIL}
+    exit 0
+}
+
+echo "$current_datetime - Automatic Endpoint Update complete" >> $log_file