Restart Dockers

#!/bin/bash
# function restartDockerByName()
# requires a container name be passed to it
function restartDockerByName(){
    for j in $(docker container ls -a | grep $1 | cut -c1-12)
    do
        # this is a 'restart function'
        # so make sure the docker is already running
        # don't act on it otherwise
        szStatus=`docker inspect -f '{{.State.Running}}' $j`
        if [ "$szStatus" = "true" ]
        then
            #echo "$j state: Not Running"
            echo "`date "+%Y-%m-%d %H:%M:%S"`" "Status: $1 is running"
            echo "`date "+%Y-%m-%d %H:%M:%S"`" "Status: $1 stopping"
            docker stop $j  > /dev/null 2>&1
            echo "`date "+%Y-%m-%d %H:%M:%S"`" "Status: $1 stopped"
            ##
            echo "`date "+%Y-%m-%d %H:%M:%S"`" "Status: $1 starting"
            docker start $j > /dev/null 2>&1
            echo "`date "+%Y-%m-%d %H:%M:%S"`" "Status: $1 started"
            echo ''
        else
            echo "`date "+%Y-%m-%d %H:%M:%S"`" "Status: $1 is not running"
            echo ''
        fi

    done
}

# szContainers: list of dockers to restart
szContainers=('container1' 'container2');
szCount=${#szContainers[@]};

# Check if docker is running
if docker info > /dev/null 2>&1; then
    echo ''
    #echo "`date "+%Y-%m-%d %H:%M:%S"`" "Status: dockeris running"
    #echo ''

    #loop thru szContainers
    for i in ${szContainers[@]}; do
        echo "Status: Restarting $i"
        # restartDockerbyName <containername>
        restartDockerByName $i
    done

    echo "`date "+%Y-%m-%d %H:%M:%S"`" "Status: finished exiting"
else
    echo "`date "+%Y-%m-%d %H:%M:%S"`" "Status: docker is not running exiting"
    exit 1
fi

exit