Update start_dlworkbench.sh

Author: ravi9

start_dlworkbench.sh

@@ -1,13 +1,18 @@
 # Script to launch openvino-workbench container
 # OpenVINO DL Workbench Application accessed through web browser with http://<ec2-public-ip>:5665/
 
-OV_VERSION=2022.1.0
+TOKEN=$(curl -X PUT "http://169.254.169.254/latest/api/token" -H "X-aws-ec2-metadata-token-ttl-seconds: 21600")
+INSTANCE_ID=$(curl -H "X-aws-ec2-metadata-token: $TOKEN" http://169.254.169.254/latest/meta-data/instance-id)
+
+OV_DLW_VER=2022.1
+
 # Remove any existing workbench container
 docker rm workbench
 
 # Start OpenVINO DL Workbench
 /home/ec2-user/.local/bin/openvino-workbench \
-        --image openvino/workbench:$OV_VERSION \
+        --image openvino/workbench:$OV_DLW_VER \
+        --custom-token $INSTANCE_ID \
         --enable-authentication \
         --assets-directory /home/ec2-user/.workbench \
         >/tmp/ov-workbench.log 2>&1 &