support dockerized validator

# Copyright ETSI 2019

# See: https://forge.etsi.org/etsi-forge-copyright-statement.txt

DOCKER_IMAGE=jeanberu/swagger-cli:2.3.3

if [ -x "$(command -v docker)" ] ; then

    RUN_IN_DOCKER=0

    docker pull "$DOCKER_IMAGE"

    echo "Using dockerized validator ($DOCKER_IMAGE)"

else

    RUN_IN_DOCKER=1

    if [ ! -x "$(command -v swagger-cli)" ] ; then

        echo "Validator swagger-cli not found. Quitting."

        exit 1

    else

        echo "Using local validator ($(which swagger-cli))"

    fi

fi

function validate {

    if [ $RUN_IN_DOCKER == 0 ] ; then

        docker run --rm -v "$PWD/$1":"/$1" $DOCKER_IMAGE swagger-cli validate "$1"

    else

        swagger-cli validate "$1"

    fi

}

echo "------ Switching to $1 folder --------"

cd $1

for i in ./*.yaml ;  do

    echo "----  Will validate: $i ----"

    swagger-cli validate "$i"

    validate "$i"

    res=$?

    fres=$(($fres||$res))

done