CC-5708: proftpd hook for new File API

added handling for if the web server is down

python_apps/airtime_analyzer/tools/ftp-upload-hook.sh

@@ -1,5 +1,10 @@
 #! /bin/bash
 
+post_file() {
+    #kill process after 30 minutes (360*5=30 minutes)
+    max_retry=360
+    retry_count=0
+
     file_path=$1
     filename="${file_path##*/}"
 	
@@ -23,4 +28,14 @@ instance_conf_path=$base_instance_path$instance_path$airtime_conf_path
 	
     api_key=$(sudo awk -F "=" '/api_key/ {print $2}' $instance_conf_path)
 	
-curl $url -u $api_key":" -X POST -F "file=@$file_path" -F "name=$filename"
+    until curl --max-time 30 $url -u $api_key":" -X POST -F "file=@$file_path" -F "name=$filename"
+    do
+        retry_count=$[$retry_count+1]
+        if [ $retry_count -ge $max_retry ]; then
+            break
+        fi
+        sleep 5
+    done
+}
+
+post_file "$1" &