csession script which working with docker

csession

#!/bin/bash

NAME=$1

CONTAINER=`docker container ls -q -f "name=$NAME"`
if [ -z $CONTAINER ]
then 
    echo "Docker container with name $NAME not found"
    exit 1
fi

INSTANCE=`docker container inspect $CONTAINER -f '{{range .Config.Env }}{{println .}}{{end}}' | grep  'ISC_PACKAGE_INSTANCENAME' | cut -d'=' -f2`
echo "Container $CONTAINER"
echo "Instance $INSTANCE"

if [ -z $INSTANCE ]
then
    echo "Cache instance in container with name $NAME not found"
    exit 1
fi

docker exec -it $CONTAINER csession $INSTANCE ${@:2}